tổng hợp sáng kiến 2007-2014 (rev 02)

TNG CNG TY KH VIT NAM

CNG TY KH C MAU

BO CO

CC THNH TU NI BT V KH&CN TRONG XY DNG V PHT TRIN NGNH CNG NGHIP KH VIT NAM

Cng trnh Kh C Mau

C Mau, 07/2015

Phn I

TNG QUAN CNG NGH H THNG PM3 C MAU

1. M u

D n ng ng dn kh PM3-CM l mt phn trong d n tng th Kh-in-m C Mau, nhm cung cp kh t nhin ti t hp cc Nh my in v Nh my m tnh C Mau, Vit Nam. Tp on Du kh Quc gia Vit Nam l ch u t ca ton

b d n.

Hnh 1. V tr cm m PM3-CAA

Ngun kh t nhin cp cho ng ng PM3-CM c khai thc t h thng gin ti cm m PM-3 CAA (Block 46 Cai Nuoc) nm trong vng tha thun thng mi thuc vng chng ln gia Vit Nam v Malaysia Vnh Thi Lan.

Di y l s tng quan d n:

Hnh 2. S tng quan d n PM3-CM

Cc phn chnh ca h thng PM3-CM do KCM qun l:

- ng ng offshore: kch thc 18 inch, di 298 km

- Trm tip b LFS

- ng ng onshore: kch thc 18 inch, di 27 km

- Trm van ngt tuyn LBV

- Trung tm phn phi kh C Mau (GDC) v h thng ng ng cung cp kh ti 2 nh my in v 1 nh my m

Mt s mc thi gian ni bt ca d n:

- Thng 04/2007: cng trnh hon thnh v bt u nhn kh vo b t ngy 29/04/2007 [1]

- 15/05/2007: bt u cung cp kh cho Nh my in C Mau 1

- 28/05/2008: bt u cung cp kh cho Nh my in C mau 2

- Thng 04/2009: nng cng sut h thng t 5,5 ln 5,8 MMSCMD (nh vn hnh h thng metering song song, gim p cp cho nh my in xung 35 barg

- 15/09/2011: bt u cung cp kh cho Nh my m C Mau

- 12/2013: trm nn LFS i vo hot ng, nng cng sut ti a ng ng PM3-

C Mau t 5.95 MMSCMD ln 6.2 MMSCMD

- 26/06/2014: sn lng kh cp t 10 t Sm3

Cng sut h thng:

- Cng sut vn chuyn ti a hin nay ca ng ng l 2 t Sm3 kh t nhin/nm

- Tng cng sut hai Nh my in C Mau 1 v 2: 1500 MW. Tng ng 1,5 t Sm3 kh/nm

- Cng sut Nh my m: 800 triu tn m Ure/nm, tng ng 500 triu Sm3 kh/nm.

2. Tng quan h thng gin PM-3. Cng ngh x l kh giu CO2

2.1. Tng quan h thng gin PM-3

- V tr: nm trong cm m PM-3 CAA thuc Block 46-Cai Nuoc

- H thng gin cm m PM3 bao gm 2 cm gin:

Cm gin pha Bc (Northern Field Platforms): t hp Bunga Orkid-Pakma (Bunga Orkid-Pakma Complex)

Cm gin pha Nam (Southern Field Platforms): t hp Bunga Kekwa-Raya (Bunga Kekwa-Raya Complex)

(lu : trong ti liu ny ch cp cc qu trnh lin quan n sn phm kh)

2.1.1. Cm gin pha Bc

Hnh 4. Cm gin pha Bc[2]

Cm gin pha Bc bao gm cc gin v tinh (gin u ging) v gin x l, hnh 4.

Kh v du th c khai thc t cc gin v tinh (BO-B, BO-C, BO-D) c a v gin BO-A bng ng ng. Gin BO-A l gin x l trung tm ca cm gin pha Bc, ti y kh s c tch nc, condensate, qua h thng hp ph thy ngn ri c dehyrate bng TEG. Mt phn sn phm kh ca gin BO-A c s dng lm gaslift, phn chnh c vn chuyn bng ng ng 24 inch v gin BR-E thuc cm pha Nam.

Bng 1. Cm gin pha Bc v sn phm

Tn gin Cng sut, sn lng *

Gin x l trung tm

BO-A

Cng sut x l kh: 672 MMSCFD.

Sn phm kh: 500 MMSCFD

Cng sut x l du/condensate: 40 000 BPD

Sn phm condensate: 10000 BPD

Gin v tinh

BO-B Sn lng du th: 9467 bbls/d

Gas lift: 30 mmscf/d

BO-C Sn lng du th: 9191 bbls/d


BO-D Sn lng du th: 5895 bbls/d


* Sn lng, cng sut thit k

2.1.2. Cm gin pha Nam

Cm m pha Nam bao gm 2 gin x l (BR-A, BR-E) v 6 gin v tinh (gin u ging), trnh t x l kh, du th nh sau:

- Kh t nhin, du th t cc gin v tinh ca cm m pha Nam c tp trung v gin BR-A (gin X l trung tm cm pha Nam), ngoi ra BR-A cng tip nhn nguyn liu condensate t BR-E. Qu trnh x l trn BR-A:

Du th c qua h thng bao gm ba cp tch pha lin tip tch nc, kh khi du. Du th qua x l c xut qua kho cha ni v chuyn ch FSO (Floating Storage and Offloading).

Kh c tch du, sau c nn bi h thng my nn Flash gas Compressor trc khi qua thit b tch pha p sut cao (HP Separator) nhm loi b du cn ln trong kh. Kh c tch thy ngn (cm hp ph thy ngn, MRU) ri a qua gin BR-E tip tc x l, lm ngt.

- Kh t nhin t cm m pha Bc ( c x l ti BO-A) s c vn chuyn bng ng ng (u ng t ti BO-D) v gin BR-E (gin X l kh cm pha Nam). Gin BR-E c vai tr x l, lm ngt kh c hm lng CO2 rt cao bng cng ngh mng Membrane, chi tit cp trong phn 2.2. Cng ngh x l kh giu CO2 trn gin BR-E

Hnh 5. Cm gin pha Nam

Bng 2. Cm gin pha Nam v sn phm

Tn gin Cng sut, sn lng

Gin x l Kh (Gas Processing

Facility)

BR-E Cng sut x l kh: 680 MMSCFD Sn phm kh: 350 MMSCFD @8% CO2

Gin x l trung tm

(Central

Processing

Platform)

Cng sut x l kh: 320 MMSCFD Sn phm kh: 300 MMSCFD Gas lift: 20 MMSCFD

Cng sut x l du/condensate: 60000 BPD

Gin v tinh (Wellhead Riser

Platform)

BR-B Sn lng du th: 3100 BPD Sn lng kh: 65 MMSCFD

BR-C Sn lng du th: 2500 BFD

BT-A Sn lng du th: 2200 BFD

BS-A Sn lng du th: 2000 BFD

BK-A Sn lng du th: 2000 BFD

BK-C Sn lng du th: 10450 BFD Sn lng kh: 30 MMSCFD

* Sn lng, cng sut thit k

C th tm tt li trnh t t khai thc, x l, vn chuyn sn phm kh trong h thng gin PM-3 bng s n gin, hnh 6:

Hnh 6. Tm tt trnh t khai thc, x l, vn chuyn kh trong h thng gin PM-3

2.2. Cng ngh x l kh giu CO2 trn gin BR-E

Gin BR-E thuc cm gin pha Nam, l gin x l kh (Gas Processing Platform) quan trng ca h thng gin PM-3. Gin BR-E c vai tr x l, loi b CO2 vi hm lng rt cao trong kh t nhin (~ 40% mol CO2).

- Cng sut x l kh (thit k): 680 MMSCFD

- Nguyn liu: kh t nhin c hm lng CO2 cao (~40 % mol CO2)

- Nguyn liu kh u vo gin BRE bao gm cc ngun:

Kh t cm gin pha Bc: 430-460 mmscfd, hm lng CO2 39-41% mol

Kh ng hnh cm pha Nam: 100 MMSCFD, hm lng CO2 37-39% mol

Kh t gin BR-B: 35 MMSCFD, hm lng CO2 69% mol

Kh t gin BK-C: 30 MMSCFD, hm lng CO2 17-30% mol

- Sn phm chnh: 350 MMSCFD Sale gas, hm lng CO2 8% mol

Vi c im kh nguyn liu c thnh phn CO2 cao n 40% nh vy, x l, loi b CO2, ti gin BR-E s dng h thng mng Membrane tch chn lc CO2 (v c H2S) ra khi kh t nhin.

2.2.1. Nguyn l ca qu trnh tch CO2 bng thit b mng

Qu trnh tch loi kh bng cng ngh mng da trn tc thm khc nhau (permeability) ca mi kh qua lp mng lm bng vt liu v c (ry phn t, silica) hay hu c (polycarbonate, cellulose acetate). Nhng kh thm thu tt s qua mng d dng, cn nhng kh kh thm qua mng s b gi li.

Hnh 7. Nguyn l tch cc cu t kh qua mng Membrane

Tc thm (permeation rate) ca mt cu t qua mng ph thuc vo nhit , p sut v s c mt ca cc kh khc. Tc thm ca mt s kh qua cc loi mng c th hin trong bng 3.

Bng 3. Tc thm qua mng ca mt s kh [3]

Nhanh

Chm

Loi mng Tc thm tng i

H2 N2 O2 CH4 CO2 H2O H2S C2H6

Cellulose

Actate 12 0,18 1 0,2 6 100 10 0,1

Polysulfonic 13 0,2 1 0,22 6

Polyamide 9 0,05 0,5 0,05

PDMS 649 281 604

PDMS: poly (dimethyl siloxane) hay cao su silicon

Trong bng trn th ngi ta coi tc thm qua mng loi cellulose acetate v polysufone ca oxi bng 1. Qua tc thm ca cc kh khc nhau qua cng mt loi mng l khc nhau, v vi mi kh th qua loi mng khc nhau c tc thm cng khc nhau. V d: vi mng cellulose acetate th tc thm ca hydrocarbon l chm nht, so vi kh oxi th tc thm tng i ca CH4 chm hn 5 ln (O2/CH4=1/0,2), cn C2H6 chm hn 10 ln (1/0,1); trong khi CO2 thm nhanh hn 6 ln (6/1), nc i qua mang nhanh nht (100/1). C th nhn xt cc kh c kch thc phn t nh hay cng phn cc th tc thm qua mng cng nhanh.

2.2.2. Cu to thit b mng

Mng dng trong tch kh c hai loi: dng tm (flat sheet) v dng si rng (hollow fiber). y ch gii thiu thit b dng tm c s dng ti BR-E.

Thit b dng tm bao gm cc tm mng qun quanh ng trung tm, thnh ng c l (hnh 8) [4]

Hnh 8. Cu to mt module mng loi tm[4]

Hnh 8 m t cu to, nguyn l lm vic ca thit b: mi 2 tm mng cng vi mt m thm (permeate spacer) gia c ghp kn ba cnh, mt cnh m (ging

nh mt phong b), cc phn t kh CO2, H2S thm qua mng s i ra u m ny vo trong ng gom trung tm. C rt nhiu tp hp mng vi m nh vy, gia cc tp hp ny c tch ra bi cc m (feed spacer), cc m ny c hai tc dng: knh dn kh i vo v lm o trn kh cn x l, m bo nng kh l u nhau trn dc chiu di thit b.

Hnh 9. ng membrane bao gm 2 module dng tm

Thng thng, din tch b mt cc mng ny khong 1000 ft2/1 ft3 th tch, ng knh khong 4-12in (10-30,5 cm) v di 36-42 in (90-107 cm) [3].

Kh cn x l i vo mt ngoi mng, theo hng xuyn tm qua feed spacer, kh CO2, H2S d dng thm qua mng s i vo ng trung tm v c dn ra (dng Permeate Gas), cc kh cn li trong dng residual (hydrocarbon) i ra bn ngoi dc theo b mt gia cc tm.

Mt vi module mng nh trn c ghp ni tip nhau to thnh mt thit b ng membrane, hnh 9 [4].

2.2.3 Qu trnh tch CO2 trn gin BR-E

Kh nguyn liu sau khi c hp ph loi b hydrocacbon nng v Hg ti cm Memguard tip tc c tch loi CO2, H2S nh h thng membrane.

Thit b membrane ca gin BR-E s dng cng ngh SeparexTM ca UOP, trn gin BR-E c hai h thng membrane ni tip nhau:

H thng Membrane s cp (Primary Membrane). Bao gm 6 thit b mng lp song song, mi thit b cha 12 ng mng.

H thng Membrane th cp (Secondary Membrane). Bao gm hai thit b mng lp song song, mi thit b cha 26 ng mng.

Kh nguyn liu qua thit b mng c tch thnh:

Dng Permeat gas: thu c t ng gom trung tm ca thit b, thnh phn ch yu l CO2 (>80%)

Dng Residual: l dng kh cng ngh loi b mt phn CO2, thnh phn ch yu l hydrocarbon.

Dng Residual qua h thng s cp c tch loi mt lng ln CO2, tuy nhin do hiu sut tch

Ti liu tham kho

[1] PVGas Ca Mau. S tay Vn hnh v bo dng H thng ng ng dn kh PM3-C Mau. 2014.

[2] Talisman Energy. PM-3 CAA Overview: PM-3 Techinical Workshop Ca Mau. 18th

Jan 2011

[3] Arthur L.Kohl, Richard B.Nielsen. Gas Purification, 5th Edition. Gulf Publishing

Company, 1997

[4] David R. Koch and William R. Buchan, UOP LLC. Proper pretreatment systems

reduce Membrane replacement element costs and improve reliability.

Phn II: CNG TC NGHIN CU KHOA HC CA CNG TY KH C

MAU T NM 2007 N NAY

T khi thnh lp vo thng 07/2006 n nay, Cng ty Kh C Mau l mt n v ca

Tng Cng ty Kh Vit Nam chu trch nhim qun l v vn hnh H thng ng

ng dn kh PM3 C Mau cung cp ngun kh t nhin cho cc khch hng bao

gm 02 Nh my in C Mau v Nh my m C Mau.

Trong qu trnh vn hnh h thng, cng tc nghin cu khoa hc nhm ci tin nng

cao, hp l ha cc vn lin quan n cng tc vn hnh, cng ngh, qun l, phi

hp, o to...ca Cng ty Kh C Mau lun c Lnh o quan tm, khuyn khch

to iu kin CBCNV pht huy sng to.

Sng to l mt trong bn gi tr ct li ca Cng ty Kh C Mau. Trn nn tng ,

CBCNV Kh C Mau lun tch cc pht huy cng tc nghin cu khoa hc ci

tin v nng cao nng sut lao ng, hiu qu kinh t. Cng ty Kh C Mau l mt

trong nhng n v c nhiu sng kin, ci tin hp l ha c Hi ng KHCN

Tng cng ty Kh Vit Nam cng nhn v ngh cc mc khen thng hng nm

Tnh t nm 2007 n nay, Cng ty Kh C Mau c khong gn 50 sng kin c

Hi ng KHCN Tng cng ty Kh Vit Nam cng nhn v rt nhiu sng kin cp

cng ty, cc ci tin hp l ha sn xut c p dng ti n v. Trong s , c 01

sng kin c khen thng mc c bit v c ngh tham gia hi thi sng to

du kh Vit Nam, 13 sng kin c khen thng mc 1, 18 sng kin c khen

thng mc 2 v 15 sng kin c khen thng mc 3.

Vi tng s CBCNV chnh thc hin nay khong 103 cn b (tnh n thng

06/2015), t l sng kin tnh trn u ngi l gn 02 ngi/01 sng kin. Mc khc,

vi c th l mt Cng ty vn chuyn v phn phi kh t nhin, p dng v vn

hnh bng cng ngh k thut hin i nn cc sng kin ca Cng ty Kh C Mau

a phn tp trung ch yu trn lnh vc KHCN v c tnh ng dng cao. Bn cnh

cn c cc sng kin thuc cc mng v an ton, t chc qun l v cng tc o

to c p dng mang li nhiu hiu qu ng k.

Cc sng kin, ci tin khi c p dng trin khai ti n v mang li nhiu hiu

qu v kinh t, k thut, an ton cng nh nng cao hiu qu ca ton b h thng

qun l, cng tc o to v phi hp.

Bng thng k sau cho thy s lng sng kin v hiu qu kinh t mang li qua cc

nm t 2007 n nay:

Bng 1. Thng k cc sng kin c Hi ng KHCN Tng Cng ty Kh Vit Nam cng nhn qua cc nm

Nm Mc khen thng do Hi ng KHCN Tng Cng ty Kh Vit Nam xut

Li ch kinh t mang li

c bit Mc 1 Mc 2 Mc 3

2007 -

2008 4

- 1.5 triu USD v gn 1600 t VN

2009 1 3 2 - 5.95 triu USD

2010 4 4 3 - 433 000 USD

2011 1 2 4 - 300 triu VN

2012

1

4 4 - 4 t VN

2013

2

4 2 - 80 t VN

2014

1

1 - 4 t VN

Tng 1

13

18 15 -

Ghi ch:

1) Li ch v mt kinh t c tnh trn tng li ch kinh t ca cc sng kin mang

li tng nm.

2) Li ch kinh t c c tnh v ch tnh n cc gi tr pht sinh ti thi im

sng kin c cng nhn, cha tnh n cc li ch kinh t sng kin mang li

t thi im cho n hin ti (mt s sng kin mang li li ch kinh t qua

hng nm v hin vn c ng dng tt).

Trong s cc sng kin ni trn, c mt s sng kin ni bt v tnh ng dng v hiu

qu kinh t, k thut, an ton in hnh nh sng kin phn mm tnh ton Phn mm

tnh ton cng ngh trong qu trnh ch bin, vn chuyn v tn tr cc sn phm kh

(GCAP) mang li hiu qu kinh t hng triu USD, cng nh c s dng rt

hiu qu trong hot ng cng ngh vn hnh ca Cng ty Kh C Mau. Sng kin

tnh ton cn bng vt cht ca H thng cng mang v hiu qu kinh t hng triu

USD, ng thi c s dng rt hiu qu trong vic kim sot chnh lch o m,

giao nhn gia thng ngun v h ngun cho n thi im hin ti.

Ngoi ra cn rt nhiu sng kin khc mang li hiu qu kinh t cao, c tnh ng dng

rt tt s c trnh by chi tit trong phn sau.

I. SNG KIN CI TIN NM 2007 2008 1. Sng kin phc hi, ci tin v ti s dng tm thi b gia nhit ca cng trnh

2-3 triu m3 kh B Ra - Ph M s dng cho nh my in C Mau trong giai on Cng trnh PM3 C Mau cha lp t thit b gia nhit Water Bath Heater.

a. Hin trng cn khc phc, ci tin

K hoch thi cng lp t thit b gia nhit Water Bath Heater ca nh thu v Ban qun l d n chm hn d kin, trong khi nhu cu ca H thng in Quc gia cao, i hi phi a Nh my in i vo vn hnh sm. Tuy nhin theo yu cu trong hp ng cung cp kh thng phm th kh cung cp phi trn 200C so vi nhit im sng m bo ph hp vi cc yu cu k thut ca cc thit b ca Nh my in vn hnh an ton, hiu qu.

b. Ni dung gii php ngh cng nhn sng ki

Tn dng v ci tin li b gia nhit ca Cng trnh 2-3 triu m3 kh B Ra Ph M a vo s dng cho Cng trnh PM3 C Mau trong giai on cha lp t thit b gia nhit Water Bath Heater.

c. Hiu qu v Kh nng p dng gii php

Sng kin ny lm tng doanh thu cho Tng cng ty kh gn 600 t VN, li ch kinh t cho tp on xp x 1.000 t VN, c Hi ng khoa hc Tng cng ty cng nhn tng khen, v c bit c ngha ln l cp kh kp thi cho Nh my in sn xut n p ng nhu cu in b thiu ht trong ma kh nm 2007 ca c nc.

2. Sng kin thit k, lp t b t ng chuyn i trng thi iu khin cc PCV t h thng PCS sang Local PID Controller


Cc van iu p (PCV) cp kh cho cc Nh my in C Mau c iu khin bng b Stardom ca h thng PCS (h thng iu khin Cng ngh); trong qu tr bo dng h thng SCADA hay cc thit b thuc h thng PCS, hoc khi b Stardom ny li th cc PCV khng th iu p c c th lm shutdown hon ton cc Nh my in C Mau

b. Ni dung gii php ngh cng nhn sng kin

Cng ty Kh C Mau thit k, lp t b t ng chuyn i trng thi iu khin cc PCV t h thng PCS sang Local PID Controller khi b iu khin Stardom li th h thng iu khin PCV t chuyn i sang b Local PID Controller, hoc ch ng chuyn i thc hin cc Cng tc bo dng sa cha lin quan.


Sng kin ny ngn nga c ri ro lm shutdown hon ton cc Nh my in C Mau trong qu trnh vn hnh v bo dng sa cha cc thit b lin quan; hin ti Cng ty Kh C Mau vn ang p dng hiu qu sang kin ny.

3. Xy dng phn mm tnh hydrocarbon dewpoint (nhit im sng) v phng n gim ti thiu Fuel gas s dng cho Water Bath Heater ti GDC


Qu trnh gia nhit cho kh thng phm cung cp cho khch hng theo quy nh ca hp ng mua bn kh phi m bo > 200C + nhit im sng. Vic gia nhit theo kinh nghim thiu chnh xc v lng ph kh nhin liu (Fuel Gas).


S ra i ca phn mm to iu kin tnh ton nhanh, chnh xc ng thi t c th xy dng c phng n gim thiu Fuel Gas s dng cho thit b gia nhit (Water Bath Heater).


Phn mm vn ang s dng rt hiu qu n nay gip Cng ty Kh C Mau tit kim 100.000 150.000 USD mi nm.

4. Phng php kim sot r r kh trn tuyn ng v kim sot chnh lch sn phm giao nhn thng qua tnh ton Cn bng vt cht.


Trong qu trnh vn hnh cng trnh PM3 C Mau, vic xc minh chnh xc ca cc thit b o m ti gin v cc h tiu th gp nhiu kh khn, bn cnh vic kim sot r r kh trn tuyn ng bin di 298 km ngm di bin l mt qu trnh v cng phc tp.


Cng ty Kh C Mau xy dng file tnh ton cn bng vt cht kim sot chnh lch giao nhn kh gia PVGas C Mau, ch m Talisman v khch hng in, m C Mau, ng thi qua c th xc nh c vic c tn ti r r kh trn ton tuyn ng PM3 C Mau hay khng kp thi khc phc x l.


Vi sng kin ny, Kh C Mau xc nh 3 ln h thng o m ti BRA ca TML o sai v khu tr c 1,5 triu USD, hin ti vn ang p dng c hiu qu kim sot h thng.

II. SNG KIN CI TIN NM 2009

1. Phn mm tnh ton cng ngh trong qu trnh ch bin, vn chuyn v tn tr

cc sn phm kh (GCAP)


Trong hot ng sn xut ti cc n v ch bin, vn chuyn v tng tr cc sn

phm kh, cc k s cng ngh thng xuyn phi quyt cc bi ton rt phc tp

lin quan n ti u ha vn hnh, xc nh v qun l cht lng sn phm, d bo

v n nh kh. Cc vn ny ch c th c gii quyt bng cc phn mm cng

ngh nh HYSYS, PRO II, GCAP. Cc phn mm c bn quyn ny thng c

bn vi gi rt cao (PVGAS ch c mt phn mm HYSYS bn quyn duy nht) v

kh khn khi s dng v cn phi tri qua cc kha o to. Mc khc, cc phn mm

cng ngh i kh li khng gii quyt c mt s bi ton c th gp phi trong

hot ng thc tin nh tnh ton linepack v n nh kh.


Tc gi xy dng mt phn mm vi mc ch s dng cho cc k s cng ngh,

cng nhn vn hnh tnh ton trong qu trnh: ti u ha vn hnh, xc nh cht

lng cc sn phm kh, d bo v n nh kh, gm cc ni dung c th nh sau:

Xc nh tnh cht sn phm kh

Xc nh tnh cht sn phm lng

Tnh ton cc qu trnh ch bin kh

Tnh ton qu trnh vn chuyn sn phm kh

Cc vn lin quan khc


Phn mm c s dng ti Cng ty Kh C Mau t nm 2007 n nay, em li

hiu qu kinh t cao, tng nng sut lao ng v tit kim thi gian lm vic.

KCM s dng phn mm tnh ton nhit im sng ca kh, nc trong kh

nhm o bo cht lng kh, gp phn ti u ha nhit vn hnh thit b gia nhit,

tit kim lng kh nhin liu fuel gas 100.000 150.000 USD/nm. Ngoi ra, phn

mm cn c s dng tnh ton kim sot chnh lch u vo/ra thng qua tnh

ton cn bng vt cht, gip pht hin 03 ln h thng o m thng ngun b sai

lch, lm li 1.551.857 USD.

Nh p dng phn mm, KCM thc hin nhp nhng cng tc d bo n nh, ti

u lng kh nhn t thng ngun v lng kh giao cho khch hng nh vo mc

tnh ton d bo, n nh ca phn mm.

KCM cng s dng phn mm trong qu trnh tnh ton tng cng sut ng ng,

trong cng tc o to ni b ca cc k s cng ngh Kh C Mau.

Phn mm hin vn tip tc c pht trin v hon thin ti Kh C Mau v cc n

v khc ca PVGas cng nh c th c p dng ti cc n v Sn xut ca Tng

Cng ty Kh Vit Nam.

2. Phng n tng cng sut ng ng dn kh PM3 C Mau t 5.50 MSCMD

ln 6.0 MSCMD ng thi tng lu lng kh cp cho 02 Nh my in C Mau

trong gi cao im ln ti a 270kSm3/hr


ng ng PM3 C Mau c thit k vi cng sut 5.50 MSCMD vi lu lng

ti a khong 228 kSm3/hr, ch bng 86% cng sut ca 02 Nh my in C Mau

l 270 kSm3/hr (6.4 MSCMD). Do trong thc t, KCM ch c th cp kh cho 02

Nh my in C Mau 1 & 2 vi lu lng ti a 250 kSm3/hr (92% cng sut thit

k ca 02 Nh my in) trong 06 gi cao im mi ngy.


Sau khi thc hin cc th nghim v tnh ton cng ngh cn thit, KCM a ra

xut tng cng sut ng ng theo 02 giai on nh sau:

Giai on 01: Vn hnh cm o m Nh my in theo ch song song thay v ni tip, ng thi m phn Nh my in nhn p sut cp khong 35 Barg nng cng sut t 5.50 MSCMD ln 5.80 MSCMD, lu lng ti a trong 08 gi cao im mi ngy t ti 270 kSm3/hr (100% cng sut 02 Nh my in).

Giai on 02: Trin khai thay th cm PCV nng cng sut t 5.80 ln 6.0 MSCMD ng thi gim hin tng rung ng v ting n ti cm PCV.


Kh C Mau hon thnh 02 giai on v m bo cng sut vn hnh h thng

mc 6.00 6.10 MSCMD (trc khi c my nn kh trm LFS). Tnh n ngy

31/09/2009, sng kin lm tng doanh thu ln n 4.2 t VN do tng sn lng

kh tiu th ca Nh my in trong cc gi cao im, ng thi gim s thiu ht

in trong gi cao im, gp phn hon thnh k hoch Tng Cng ty.

Tnh trung bnh trn ngy trong ma cao im khi m nhu cu tiu th kh ca khch

hng in tng cao, vic tng sn lng ln 500 kSm3/ngy lm tng doanh thu cho

Cng ty Kh C Mau khong 1.7 t VN/ngy, ng thi gip PetroVietNam sm

thu hi lng kh m Petronas nhn gip t nm 2003 -2008 (5.10 BSCM).

Sng kin lm tng kh nng linh hot ca ng ng trong qu trnh vn hnh,

tng lng kh linepack c th tch tr kh khi nhu cu tiu th thp v nh kh khi

nhu cu tiu th cao ln.

Cng sut ng ng tip tc c nng ln mc 6.250 MSCMD khi c my nn

trm tip b LFS.

3. Phng php xc nh chnh xc thi im nhn Pig trong qu trnh phng Pig


Thng thng, cc Nh thu phng Pig u tnh ton thi im nhn Pig theo tc

ca Pig da trn lu lng kh, p sut v nhit u vo ng ng ti thi im

phng Pig. i vi cc ng ng di, tn tht p sut ln hoc lu lng kh vn

chuyn qua ng ng thay i thng xuyn khng theo n nh th phng php

trn c sai s kh ln, c th ln n 30% thi gian d kin ban u.


Phng php sng kin m nhm tc gi a ra l xc nh lng kh linepack (cha

trong ng ng) ti thi im bt u phng Pig bng phn mm tnh Linepack

(GCAP).

Vi gi thit lng kh Passing qua Pig bng 0 th thi im Pig v chnh l thi im

khch hng tiu th ht ton b lng kh Linepack trong ng ng ti thi im

phng Pig.

Kt qu ca phng php kh chnh xc. i vi Foam Pig th khong thi gian tnh

sai lch khng qu 1%, i vi Bidi Pig th sai s khng qu 11%.


Phng php ny c th c p dng tnh ton thi im nhn Pig i vi tt c

cc ng ng dn kh v hin ang c p dng rt hiu qu ti Kh C Mau trong

cc t phng Pig nh k. Vic xc nh chnh xc thi im nhn Pig gip tit kim

nhiu nhn lc, thi gian trc ch nhn Pig, c bit i vi cc ng ng dn kh

di hoc trng hp tiu th kh khng n nh trong thi gian phng Pig ng thi

gim thiu c ri ro khi Pig n sm hn d kin nu nh tnh bng phng php

c sai s ln.

4. Thit k v lp trnh cho h thng t ng iu khin chuyn i Local/Remote

cho cc van PCV nhm hn ch vic gy gin on cp kh cho 02 Nh my in

C Mau 1 & 2


H thng iu khin PCV cung cp kh cho Nh my in C Mau I v II ti GDC

c lp cc b iu khin ri hn ch nhng ri ro khng mong mun trong

qu trnh iu khin. Tuy nhin li c nhng hn ch nh sau:

H thng khng th t chuyn i ch lm vic khi xy ra s c.

Qu trnh chuyn i phi thc hin bng tay nn vic n nh h thng l kh thc hin.

Khng thc hin vooting cc gi tr o nn chnh xc trong qu trnh iu khin l khng cao.

Qu trnh u ni phn cng khng thc hin share tn hiu.

Qu trnh theo di vn hnh h thng kh khn v cc b iu khin c b tr trong t iu khin.


H thng iu khin t chuyn i PCV c thit k trn nn tng cc thit b c

sn nh gi nguyn cc controller cho cc PCV v thay cc cng tc la chn bng

cc relay. Phng n ny s dng PLC S7 300 thc hin vic vooting gi tr o

nhm loi b mi s sai lch iu khin. H thng cn lp thm b share tn hiu

nhm loi b s ph thuc ln nhau v phn cng.


Sng kin c s dng cho tt c cc h thng iu khin PCV ti cc trm kh.

Ngoi ra cn c th ng dng cho cc phm vi iu khin khc. V mt k thut, vic

p dng sng kin c th hn ch ti thiu mc shutdown trm, kh nng nm bt

v lm ch cng ngh cao cng nh quy trnh vn hnh khng phc tp, ngi vn

hnh nhanh chng thun thc, d dng. V mt hiu qu v mt kinh t, sng kin

lm gim thiu nhng thit hi v mt kinh t v k thut do vic shutdown trm (nh

hng rt nhiu n gi tr kinh t do gim sn lng kh cp, thi gian khi phc...),

t lm hn ch c vic gy nh hng n thit b khch hng cng nh cc

mc tiu AT CL MT ca Cng ty. Ngoi ra cn c th tit kim c lng fuel

gas tiu tn do c th iu p ti trm LFS thp xung m vn m bo an ton.

III. SNG KIN CI TIN NM 2010

1. Chuyn i cc solenoid Pilot Valve hin ang s dng bng loi redundant solenoid pilot valve iu khin ng m cho cc shutdown valve v blowdown valve ti trm kh GDC C Mau

a. Hin trng cn khc phc, ci tin:

Tt c cc SDV v BDV ti trm kh GDC khi lm vic ch remote. V vy vic

ng cc SDV do li h thng v thit b phi c hn ch ti a, c bit l phn

ng hoc m cho cc SDV/BDV.

Cc solenoid valve dng iu khin vic ng m cho cc SDV v BDV c s

dng loi Solenoid Pilot vavle n, loi ny ch c 01 cun coil. Do vy khi khi cun

coil ca Solenoid b hng th s dn n ng van SDV hoc m BDV lm nh hng

n qu trnh cp kh cho khch hng. Vic cc solenoid hot ng trong mi trng

c in lin tc vi iu kin kh hu m t v khc nghit th vic h hng l khng

th trnh khi.

Thc t xy ra 03 ln soleloid valve ti GDC v LFS hng v gy shutdown cho

Nh my in 01 ln.


Ni dung ca sng kin l thay th cc Solenoid valve c Redundant Pilot valve ngha

l s c 02 cun coil lp song song, s dng chung mt ngun in iu khin. Nu

01 trong 02 cun coil b hng th s cn cun cn li d phng nn SDV s khng

ng (hoc BDV s khng m). Khi c tn hiu kch hot shutdown th 02 cun coil

ca solenoid vavle u kch hot ng thi ng SDV/m BDV.


Sng kin hin ang c p dng rt hiu qu ti KCM v c th p dng m rng

i vi cc SDV/BDV s dng solenoid in iu khin ti cc trm kh hay trong

cc dy chuyn cng ngh ca cc Nh my ch bin kh, Nh my lc du, Nh my

m khi m s c h hng mt thit b c th nh hng n c dy chuyn.

V mt k thut, vic p dng sng kin ny ti KCM c th hn ch mc ti thiu

Shutdown trm, tng tin cy lm vic ca cc SDV v BDV ng thi tng kh

nng d phng cho h thng v tt c cc thit b thay th mi u cng mt nh sn

xut so vi thit b c trn h thng hin ang s dng v c tnh ng b vi nhau.

V mt kinh t, mi ln Shutdown trm s nh hng rt ln c v kinh t v k thut.

Hn na vic Shutdown GDC gy tn hi ti h thng thit b ca khch hng, nh

hng ti vic thc hin mc tiu AT-CL-MT ca Cng ty. Do vic p dng sng

kin ny lm gim thiu nhng thit hi v kinh t khng ng c.

2. Xy dng phn mm trc nghim v HTQL AT CL - MT


Cng ty Kh C Mau v ang p dng HTQL tch hp AT CL MT. Hu ht

cc cng vic u c a vo quy trnh (QT). Vic CBCNV nm vng cc QT lm

vic l cha kha m bo tt c cc hot ng ca Cng ty lun trong tnh trng

an ton, cht lng v hiu qu, gp phn xy dng v duy tr nn vn ha An ton

Cht lng Hiu qu ca Cng ty.

Trc y vic nh gi nhn thc ca CBCNV v cc QT tc nghip v QT h thng

ch di hnh thc ph bin ri k xc nhn, khng nh lng c. Hn na, t

bn thn mi CBCNV khng t chc chn rng mnh nm vng hay cha t

hc thm.


Xy dng phn mm o to, kim tra phc v cho cng tc o to, hun luyn ca

Cng ty v t o to ca ton th CBCNV.

Phn mm c lp trnh bng ngn ng Visual Basic, c s d liu c qun l

bng phn mm MS Office, kt ni d liu theo phng php ADOBD.

C s d liu c hn 1000 cu hi cho hn 100 quy trnh ca Cng ty do cc c

cng, Trng ca v k s c nhiu kinh nghim ca Cng ty son tho di dng

trc nghim. Cc cu hi c a ra bao qut ton b quy trnh ng thi cng c

thng xuyn cp nht ph hp vi tnh hnh thc t.

Cc bi thi c thit k ring cho tng cp , tng b phn ph hp vi yu cu

cng vic ca tng v tr khc nhau tron Cng ty theo QT v o to hun luyn ca

Cng ty.


Sng kin c p dng hiu qu v s dng thng xuyn ti Cng ty Kh C Mau

gip nng cao hiu qu trong cng tc o to cc quy trnh tc nghip v HTQL ca

CBCNV, gp phn xy dng v duy tr nn vn ha An Ton Cht Lng Hiu

Qu ca Cng ty.

3. Thay i phng php iu khin b t b t phng php bn t ng bng

iu khin t ng hon ton v thit k li t t b t loi 01 ngn bng loi t

b 02 ngn ti GDC C Mau


B t b cng sut phn khng s dng phng php iu khin bn t ng: kt hp

c b nn v b ng thng qua controller 06 cp. Cc t b c cng sut kh ln 30

Kvar (tng i ln so vi s dao ng ti trong GDC C Mau). T in cha b t

b loi tch hp tt c thit b u chung trong mt ngn t.


Thay i b t b cng sut phn khng s dng phng php iu khin t ng

hon ton thng qua controller 12 cp.

Tng tnh b nhuyn cho b t: Gim cng sut b t loi 30KVAr/1 t xung loi

20 KVAr/ 1 t

Thay i thit k t t b t 01 ngn thnh loi 02 ngn cha cc t v ngn cha

thit b iu khin.


Sng kin c Cng ty in lc kim tra thc t cho thy 02 b t b lm vic

n nh v c th p dng c vi tt c h thng in dn dng v cng nghip

gip nng cao cht lng in nng, tng tui th cc thit b, m bo an ton cho

ngi vn hnh cng nh cng tc BDSC v khc phc s c. Ngoi ra cn gip cch

ly thit b d chy ra khi b t v ngn nga c nguy c chy n xy ra.

IV. SNG KIN CI TIN NM 2011 1. Phi hp vi Chi cc khai thc v bo v ngun li thy sn, B i bin phng

6 tnh Min Ty t chc tuyn truyn bo v an ninh an ton cho ng ng dn kh trn bin

a. Tnh trng k thut/qun l hoc t chc sn xut hin ti:

Cng ty hng nm thc hin cng tc tuyn truyn bo v an ninh, an ton ng

ng dn kh trn bin theo cc Ngh nh ca chnh ph.

Hng nm Cng ty theo cc Ngh nh ca Th tng chnh ph phi t chc cc

bui tuyn truyn tp trung cho Ng dn, Thuyn trng v cc doanh nghip hot

ng kinh doanh trn bin bit c cc cng trnh kh, ta ca ng ng dn

kh trn bin, ku gi ng dn cng vi Cng ty bo v tt cng trnh kh ca

Quc gia. Ph bin cc ri ro, cc bin php phng nga, pht hin r r kh trn bin.

Cng ty lp K hoch bo h lao ng trin khai cng tc tuyn truyn tp

trung 02 a im ti cc ca bin cho tuyn ng bin ti C Mau.

b. Ni dung gii php ngh cng nhn sng kin:

Trn c s cc K hoch phi hp tuyn truyn vi 06 tnh Min Ty k nh:

Kin Giang, Bc Liu, Sc Trng, Tr Vinh, Bn Tre, C Mau, nhm tc gi

xut vi Ban Gim c Cng ty khng t chc tuyn truyn tp trung hng nm cho

Ng dn, thuyn trng nh cc nm trc, m chuyn sang phi hp vi B i

Bin phng v Chi cc khai thc v bo v ngun li thy sn t chc lng ghp ni

dung tuyn truyn bo v ANAT ng ng dn kh trn bin vo chng trnh ca

cc lp tp hun do 02 n v ny t chc hng nm cho Ng dn, thuyn trng v

kin thc v bin gii bin o, phng chng lc bo v cch khai thc ngun li

thy sn c hiu qu v bo tn ngun ti nguyn thin nhin.

V vy nhm tc ngh Ban Gim c Cng ty phi hp vi hai n v trn

lng ghp chng trnh tuyn thng bo v an ninh, an ton cng trnh kh vo cc

lp tp hun ny m bo tuyn truyn trc tip cho i tng ti cng, ng ph

khi c Chi Cc thy sn mi tham gia. Trc y khi tuyn truyn tp trung ti 02

thi im th ti cng, thuyn trng, ng dn khng tham gia c th c ngi nh

nh: v, con, anh em,.tham gia.T lm tng hiu qu tuyn truyn.Cng ty hin

ang thc hin ti C Mau, Sc Trng, Bn Tre, Tr Vinh.

Cng ty lp k hoch trin khai phi hp vi B ch huy B i Bin phng cc

tnh Kin Giang, Bn Tre, Tr Vinh, Bc Liu, Sc Trng phi hp t chc tuyn

truyn trong nm 2012 khong 42 lp.


Cc bui truyn thng phi hp vi BBP v S TN & PTNT cc tnh thc hin

trong nm 2011 c 29 lp thu ht s tham gia ca 1.846 ngi (Thuyn trng v

thuyn vin), xem bng so snh:

TSTT Ni dung Tuyn truyn tp

trung nm 2010

Lng ghp vi

cc lp tp hun

nm 2011

Ghi ch

1. S ngi tham gia 632 ngi 1846 ngi

2. Tng chi ph 180.842.000 116.000.000

3.

Chi ph bnh qun

trn ngi dn

tham gia

286.114 /ngi 62.000 /ngi

4. S a im 02 21

2. n

h

Hiu qu mang li tuyn truyn ng i tng l ng dn, thuyn trng, ti cng.

S lng ngi tham gia tng ln do t chc c nhiu lp ti nhiu a phng.

Chi ph t chc gim.

Trong nm 2011 khng xy ra cc v vic gy mt an ninh an ton cho cng trnh

ng ng dn kh PM3 C Mau.

Sng kin ny p dng cho cng tc truyn thng bo v an ninh, an ton cng trnh

kh trn bin. Hin nay ang c p dng v mang li hiu qu cao.

2. Phng n nng cng sut cp kh ng ng PM3 - CM chun b cp kh cho Nh my m CM.


Trm phn phi kh GDC tip nhn kh t h thng ng ng PM3-C Mau cung

cp, phn phi kh cho cc h tiu th ti C Mau, bao gm Nh my in C Mau

1,2 vi cng sut mi Nh my l 750 MW, lu lng tiu th ti a 2 Nh my l

260 kSm3/hr v 1 Nh my m vn hnh thng mi c cng sut 800.000 tn/nm,

lu lng tiu th ti a l 61 kSm3/hr.

Khi cha c nh my m, hai nh my in hot ng vi cng sut ti a nn

cng sut ng ng PM3_C Mau l 6.0 Mscmd do c th cung cp cho nh my

in vi p sut 33 Barg. Khi m vo hot ng th do yu cu nghim ngt v p

sut u vo ca Nh my m l 40 Barg nn cng sut ca ng ng gim xung

cn 5.7 Mscmd.

Trong iu kin thc t, hai nh my in thng vn hnh cng sut ti a vo

gi cao im chiu. p sut cp cho cc h tiu th nhanh chng st xung gi tr ti

thiu ca nh my m. Trong khi st p t u vo GDC v nh my m l

rt cao. V vy yu cu t ra l phi m bo p sut cp cho cc h tiu th v tng

cng sut cho h thng ng ng PM3 - C Mau. iu ny c ngha l phi ko di

thi gian chy ti cao ca nh my in trong khi p sut cp cho nh my m vn

m bo.


p ng yu cu gim thiu tn tht p sut cp kh trn tuyn ng cho m C

Mau, nng ti a cng sut vn chuyn ca ng ng PM3_C Mau, nhm tc gi

a ra phng n lp t ng ng bypass 18 inch kt ni t u vo trm GDC

n dy chuyn cp kh cho nh my m C Mau.

Hin ti tn tht p sut t u vo GDC n u vo Nh my in C Mau l 5

Barg vi lu lng tiu th 6.0 mscmd. ng ng bypass s khng i qua cc cm

thit b nh Filter/Separator hay Heater gim tn tht p sut ti mc ti thiu.

Khi lp t ng bypass th tn tht p sut ch cn khong 2 Barg. Mc ch ca

ng bypass ny nhm gim bt s ri p cho nh My m trong trng hp nh

my in chy ti cao. Khi p sut u vo GDC xung thp 10oC) hoc cht lng

kh khng m bo.

c. Hiu qu v kh nng p dng gii php.

Tng sn lng cp cho cc H tiu th t 5.7 Mscmd ln 5.85 Mscmd. Gp phn

y nhanh qu trnh thu hi kh t pha Malaysia.

p sut cung cp cho cc H tiu th c m bo ng theo thit k ban u, tng

tnh an ton v n nh cho h thng. Ko di thi gian duy tr ti cao ca hai Nh

my in C Mau trong gi cao im. H tr tt cho vic vn hnh n nh h thng

in Quc Gia.

Bin php sng kin ny c p dng hiu qu cho h thng ng ng dn kh

PM3 - C Mau t thng 11-2011 cho n khi my nn Trm tip b LFS c lp

t (thng 12/2013). T thng 12/2013 n nay ng bypass ny vn c s dng

nhng vi tn sut thp hn. Trong trng hp my nn Trm tip b LFS shutdown

hoc khng vn hnh, nu p sut u vo GDC thp th ng bypass m vn c

vn hnh duy tr cp kh n nh v tng cng sut cho cc H tiu th.

Kh nng p dng sng kin cho cc cng trnh khc ca Tng Cng ty Kh Vit Nam

l hon ton c th

3. p dng phn mm Ms Groove cho cng tc qun l kho vt t, thit b.


Hin ti, Cng ty KCM ang s dng phn mm Bravo 4.1 qun l vt t trong

kho. Phn mm ny ch theo di cc vt t xut nhp tn trong kho nhng khng cp

nht y cc thng s k thut cc vt t trong kho cng nh cp nht cc vt t

chng loi mi ca cc nh sn xut. Bn cnh, ngi c nhu cu s dng vt t v

th kho khng th trao i trc tuyn cc thng s k thut, s lng tn kho, k

hoch xut kho vi nhau. Do , vic xut kho tn nhiu thi gian dn n chm tin

cho cng vic bo dng, sa cha.

Bn cnh, cc ti liu, vn bn iu c lu tr trn my tnh ca vn th phng.

Hin ti, phng ang dng mng ni b truy cp vo my tnh vn th t xa

ly d liu. Do , khi my tnh vn th tt l khng th kt ni v ly d liu khi

cn thit.

Phn mm Groove s gip cho ngi dng c th ly trc tip ti liu v chia s ti

liu mt cch nhanh chng v d dng ngay c khi khng c internet. Mt tin li

khc ca phn mm Groove l trao i trc tuyn ca nhm Workspace gip lin lc

cc thnh vin trong nhm, bo co cng vn, chnh sa trc tuyn cng vn trc

khi in ra file cng trnh ngi c thm quyn ph duyt


Tc gi tng hp tt c cc thng s k thut sn c trong kho thnh nhng file

excel v ti ln Workspace ca phn mm Groove. Bt c thi gian no, ngi s

dng cng c th truy cp vo Internet xem thng s k thut, s lng v ln k

hoch xut kho gi cho th kho sp xp thi gian xut kho hp l v nhanh chng.

Tp tin ny ch c th kho c th chnh sa cc d liu v files excel qun l kho.

Bn cnh , Tc gi cn to 1 file excel cp nht cc thng s ca cc sn phm mi

ca nh sn xut phc v cng tc mua sm; Tp tin ny tt c cc thnh vin iu

c th tham gia v chia s. Thng qua y, c th ln k hoch xut nhp kho, bo

co tn kho, truy tm cc thuyt b thng tin c trong kho.

Thm vo , cc ti liu lin quan ca phng c dung lng ln c th to nhiu

Workspace cc nhn vin c th chia s ti liu vi nhau. Ngi c thm quyn

c th truy cp sa cc cng vn trc khi in thnh file cng tit kim chi ph.

c. Hiu qu v kh nng p dng gii php.

Bt c thi gian no, ngi s dng cng c th truy cp vo Internet xem thng

s k thut, s lng v ln k hoch xut kho gi cho th kho sp xp thi gian xut

kho hp l v nhanh chng.

Tch hp y thng tin v vt t, c th truy cp trao i thng tin mi lc mi

ni, tit kim thi gian.

Hin ti chuyn sang s dng qun l thng qua phn mm maximo.

4. ng dng Google Docs trong vic qun l tin cng vic ca cng ty Kh C Mau v vic qun l cng vic ca cc b phn thuc phng k thut.

a. Tnh trng k thut/qun l hoc t chc sn xut hin ti.

Cc u vic nm ri rc cc bin bn hp, bin bn kim tra an ton, cc ch th,

kin ngh t chng trnh STOP, bo co ca mng li An ton V sinh vin v

cc phiu khc phc phng nga ca Cng ty, Tng Cng ty v cc n v khc.

theo di tin thc hin cc u vic ny phi tng hp thnh mt file excel

theo di, nhn bo co t cc b phn, tng hp li, sau bo co vi lnh o.

Cng vic theo di, tng hp, bo co ny din ra hng ngy do tin ca cc cng

vic rt khc nhau. Ngoi ra vic n c cc b phn bo co cng mt thi gian v

khng c cn b chuyn trch v vic ny, vic ly thng tin bo co cng khng

cp nht c thng xuyn do file theo di ch c gi mi tun 1 ln. Vic qun

l u vic theo cc file ring, nn cc B phn thng qun vic, dn n khng

hon thnh cng vic theo ng tin .

Mt s CBCNV phi thc hin cc cng vic theo k hoch tun, c nhng cng vic

t xut khng nm trong k hoch tun th phi n cui tun mi c bo co,

cc cng vic ny li c thc hin trn a bn rt xa t cc trm kh ti vn phng.

Do vy, Cn b qun l khng kim sot c cng vic hng ngy ca CBCNV,

gy kh khn cho cng tc qun l v lp k hoch.

Cng tc theo di cc ch s o lng (KPIs) ca cc B phn c thc hin bng

cng vn bo co, tng hp nh k. Gy mt nhiu thi gian cho cc B phn

lm bo co.

Trong qu trnh hot ng, c nhiu vic cn s phi hp ca nhiu ngi, nhiu b

phn khc nhau mi hon thnh c. Cng tc tng hp mt kh nhiu thi gian.


S dng ng dng Google docs min ph : Qun l tin cng vic ca Cng ty;

s dng theo di, thng k cc KPIs, ti cc file dng chung nhiu ngi c th

cng thao tc trn file , c th nh sau:

To cc file qun l tin ca Cng ty v k hoch tun trn ng dng Google docs

v chia s file ny cho nhng ngi c lin quan.

B phn k hoch s cp nht cc u vic t cc bin bn khc nhau ln file chia s

chung, cc B phn s da trn file ny x l cc u vic c Ban Gim c

ch o. Sau khi x l cc b phn s cp nht tin , b phn K hoch s theo di

tin cng vic thng qua file ny. Cc B phn c to ti khon ring, v ngi

qun l u vic phn quyn cho tng ti khon.

i vi k hoch tun ca b phn BDSC, cc thnh vin thng xuyn cp nht tin

BDSC v n chiu th 6 hng tun th t lm k hoch cho tun tip theo. Trng

nhm s sp xp li cho hp l sau kim tra li v gi bng file excel cho cc

thnh vin trong t thc hin.

Tt c nhng thay i trn file chia s ny u c theo di v bo co tng hp

ngay lp tc hoc vo cui ngy. Khi c sai st ngi qun l s khi phc li file

trc khi b thay i.

Trn ng dng Google docs cn c nh dng khc bit cho ngi theo di bit khi

no u vic n hn hon thnh (nhng u vic n hn hon thnh s t ng

chuyn mu , nhng vic trc ngy ti hn 1 hoc 2 ngy s t ng chuyn mu

xanh) m khng cn phi kim tra tng u vic.

Trong qu trnh lm vic trn file chia s, mi ngi c th trao i trc tip vi nhau

qua mng trong cng mt giao din v ngi qun l c th kim sot c cng

vic ca CBCNV trn file chia s ny.

Cc ch s o lng (KPIs) ca Cng ty l tng hp t cc KPI ca cc B phn, nh

k cc B phn ch vic vo file v cp nht kt qu o lng ca mnh (B phn no

ch c php thao tc trn cc sheet c phn quyn, khng th thao tc trn

cc sheet khc), sau ng dng s t ng tng hp ca Cng ty. Ngi c giao

nhim v ch cn in ra v bo co Ban Gim c.

S dng ng dng ca Google nn tnh bo mt rt cao, v quyn chia s thng tin l

do ngi qun l ci t.

c. Hiu qu v kh nng p dng ca gii php.

ng dng Google docs c th p dng chia s tt c cc file c nh dng khc

nhau (word, excel, pdf,) cho tt c cc b phn qun l v kim sot cng vic.

ng dng Google docs cn c ng dng to cc mu kho st dng trc nghim

s dng khi cn thit. V d: dng nh gi cht lng phc v ca li xe, dng

thm d kin v mt vn no , ...

Sng kin c p dng qun l u vic cho Cng ty v cc B phn t thng

02/2011.

T nhng kh nng p dng mang li nhng hiu qu rt cao cho vic qun l k

hoch ca cng ty. Thng tin lun c chia s, cp nht mi lc, mi ni l yu t

quan trng cng vic c x l kp thi, trnh tnh trng b st, chm tin .

C th trung bnh mi qu trong nm 2010 c 11 u vic chm tin , n nm

2011 gim cn 6 u vic. Hin nay ch cn 4 u vic chm tin /qu.

Gim thi gian cho cng tc theo di tin v lp k hoch ca cc b phn. C th

tit kim 16 gi (2 ngy cng) /ngi/thng = 2 x 500.000 (ng) x 12 thng = 12

triu ng/ngi/nm.

To t ph trong cng tc o lng, thng k ca Cng ty. Nhn vin ch ng

trong cng vic v ngi qun l c th kim sot cng vic ca cc thnh vin.

Hin nay cng ty ang dn chuyn sang phn mm qun l cng vic c thit k

trn giao din web vi nhiu tnh nng hiu qu hn gii php ny.

5. Lp t cng mng dng chung cho cng ty Kh C mau


Vic lu tr d liu trong cng ty c thc hin ht sc n l ti mi phng, d

liu thng c lu tr trn cc my tnh c nhn nn vn bo mt khng cao,

d gy tht that thng tin v mt d liu (nu my tnh b hng hoc b nhim

virus) nh hng n cng vic ca cng ty. Cc file cn chia s cho mi ngi nh

hnh nh, video, d liu th phi chia s thng qua cc trang web chi s min ph, an

ton d liu khng cao v tc download, upload chm, ngoi ra khi cn d liu th

phi tm kim rt mt thi gian do lu tr khng tp trung.


Lp t thit b cng mng (Network-attached storage- NAS) cho cng ty Kh C

Mau vi cch qun l nh sau:

D liu c back-up online do lun m bo an ton d liu.

Ti th mc ca mi b phn ch c trng ph phng v cc c cng, trng ca c

th ghi v c d liu, cc thnh vin khc ch c c d liu. Ngoi ra vic phn

quyn cho cc thnh vic trong b phn s do trng b phn quyt nh. D liu

yu cu hn ch truy cp th ch c thnh vin ca b phn mi c c d liu,

trng phng th c th c v ghi d liu, cc b phn khc khng truy cp c

vo th mc ca b phn .

Ngoi ra trn cng mng cn c mt th mc Public l ni mi ngi trong cng

ty c th c v ghi d liu.

c. Hiu qu v kh nng p dng gii php

Gim chi ph u t cc cng di ng, cng cho cc my tnh. m bo an ton

d liu v d dng trong vic chia s v lu tr d liu.

Thi im p dng t thng 11/2011 n nay. Hin ti cng ty Kh C Mau ang p

dng sng kin ny to nn mt c s d liu dng chung cho c cng ty, mang

li tnh tin li rt cao.

6. Lp t Oven Wall cho Water Bath Heater ti GDC


Trong qu trnh lp t u t Burner cho Water Bath Heater, nh thu Oakwell

khng lp t Oven Wall hn ch nhit truyn ra ngoi mt bch, ng thi cc

Burner ny c trong lng kh ln (khong 200 kg) nhng khng c Support m

c nh vo mt bch bng bulong. Vi lng nhit truyn ra mt bch ln, cc Burner

khng c Support dn n hu qu:

Lm bin dng mt bch

To khe h gia mt bch v b mt tip gip vi u t

Tht thot nhit

D gy ra chy lp bng thy tinh bc bo n


S dng thp chu nhit SS 310 ch to mt bch, vch trong

Lp Oven Wall bng btng chu nhit

Lp h thng Support cho u t Burner

Sau khi hon tt lp t Oven Wall b sung thm bng thy tinh cch nhit th nhit

tip xc trc tip vi mi trng bn ngoi kim tra trc tip bng sng o nhit

giao ng trong khong 400C900C

c. Hiu qu v kh nng p dng gii php

V mt an ton trong vn hnh, gim lng nhit truyn ra mt bch, ngn nga chy

lp bc bo n v s c chy n xy ra khi r kh ti khu vc WBH. T , m bo

an ton cho VH v b phn BDSC khi lm vic quanh khu vc WBH

V mt kinh t, hn ch tnh trng h hng thit b do bin dng nhit. Ngoi ra, vic

hn ch lng nhit r cn gp phn lm gim lng Fuel Gas s dng gia nhit

cho Heater

Sng kin c thc hin hon thnh v a vo s dng an ton t thng 05/2011

v hin ti ang c kt qu tt khng cn lng nhit ln truyn ra mi trng bn

ngoi lm chy lp bc bo n.

7. ng dng M hnh Rasouli & Williams v Phn mm ALOHA xy dng phng n ng ph tnh hung khn cp cho Cng trnh Kh


Theo quy nh ca Lut Phng chy v cha chy (PCCC), Ngh nh 35/2003/N

CP th cc Cng trnh kh phi bt buc xy dng Phng n cha chy v lp k

hoch t chc thc tp thng xuyn. Ngay t khi mi i vo hot ng th Cng ty

Kh C Mau phi hp vi cc C quan qun l v cng tc PCCC xy dng

cc Phng n v thc tp nh k cc Phng n ny. Tuy nhin, c s tnh ton

xy dng Phng n ch yu da vo nh gi nh tnh, da vo suy lun l chnh

m cha nh gi nh lng c. Do , s nh hng n cht lng ca Phng

n c xy dng, cng nh c kh nng nh hng n phng n ng cu nu tnh

hung xy ra tht.

Theo ch o ca B Cng An ti cuc hp rt kinh nghim v din tp cha chy

nhiu lc lng ti Nh my x l kh Nam Cn Sn nm 2010. Nm 2011, Cng ty

Kh C Mau thc tp phng n cha chy phi hp nhiu lc lng cp B Cng

An, vi s tham gia ca cc lc lng trong tnh C Mau v 5 tnh Min Ty (Bc

Liu, Cn Th, Hu Giang, Sc Trng v Kin Giang). Phng n thc tp ny phi

c Cc Phng chy, cha chy v cu nn, cu h (PCCC & CNCH) ph duyt

trc khi thc tp. V vy, c Cc PCCC & CNCH th cn xy dng phng

n trn c s tnh ton khoa hc, logic, tnh ton nh lng.


p dng M hnh Rasouli & Williams v Phn mm ALOHA tnh ton v m

phng m chy cht kh pht ra t ng ng nhm xy dng phng n ng cu

st vi thc t.

Phn mm ALOHA - The Areal Location of Hazardous Atmospheres model (ca

C quan qun l v ng ph tnh hung khn cp My xy dng) c s dng

gii quyt vn phc tp nht khi lp phng n cha chy l xc nh c:

Cng bc x nhit; Vng phn tn kh c; Vng pht tn hn hp kh chy;

Vng b nh hng lc p ca p sut kh pht tn;


Gii php c Cng ty Kh C Mau p dng t u nm 2011. Gii php c th

c chia s v p dng cho cc Cng trnh Kh khc trong Tng Cng ty.

Gii php c p dng nhm xy dng Phng n cha chy cho Cng trnh Kh

PM3 C Mau, cng nh c lp sn s dng khi c tnh hung r r kh v chy

n tht xy ra (khi p dng ch cn thay mt s khc cho ph hp vi tng tnh hung,

da trn cc m hnh xy dng sn).

Nu khng p dng M hnh v Phn mm trn th rt kh c ph duyt Phng

n cha chy phi hp nhiu lc lng. Khi , cn phi thu Trung tm ng dng

khoa hc cng ngh - B Cng An xy dng Phng n (ging nh Nam Cn Sn

thc hin nm 2010), tit kim c chi ph b ra thu ht khong 300 triu ng.

V. SNG KIN CI TIN NM 2012

1. Ci t ta ng ng dn kh PM3- C Mau phn trn bin vo my nh v trn cc tu nh c c cng sut > 90 CV.


ng ng dn kh PM3- C Mau c bt ngun t vng chng ln gia Vit Nam

v Malaysia thuc vnh Thi Lan, phn trn bin c chiu di 298 km nm di bin.

Vng bin tnh C Mau c din tch khong 71.000 km2, tip gip vi cc nc trong

khu vc l Thi Lan, Malaysia, Indonesia, ng ng bin di 298 km. Trn khu vc

bin gii bin ca tnh, tu thuyn ng dn nh bt trn bin c 4.783 chic. Trong

c 1.968 tu nh bt xa b (gn my t 90CV tr ln). iu kin kh hu v t

nhin thun li, cc tu nh c ngoi tnh n vng bin C Mau nh bt c theo

ma v hng ngn phng tin mi nm.

Ti iu 18, Mc 3. Ngh nh ca Chnh ph s 03/2002/N-CP ngy 07/01/2002

v bo v an ninh an ton du kh. C quy nh Trong phm vi 2 hi l tnh t ra

ngoi cng ca cng trnh du kh bin cc phng tin tu, thuyn khng c nhim

v khng c th neo.

m bo an ton cho cng trnh, hng nm Cng ty t chc tuyn truyn bo v

ANAT bng nhiu hnh thc vi ni dung ch yu nh sau:

Ni ln tm quan trng ca h thng ng ng dn kh, trong nn kinh t.

Ngh nh 03/2002/N-CP, Ngh nh 145/2006/N-CP ca nh nc v bo v ANAT cng trnh kh trn bin,

Cch nhn bit ng ng khi nh bt trn bin thng qua ta trn t ri.

Cch nhn bit s c r r tuyn ng dn kh v cc bin php x l.

Mc d, Cng ty v ang p dng nhiu bin php khc nhau bo v an ninh

an ton tuyn ng dn kh. Tuy nhin, vn cn tnh trng tu thuyn vi phm hnh

lang an ton tuyn ng, to nguy c gy mt an ton cho tuyn ng dn kh. Cng

ty Kh C Mau tm hiu, iu tra th mt trong nhng nguyn nhn l do mt s

ng dn khng ch n s tuyn ng c cp pht.

Qua t kho st ROV tuyn ng bin hi thng 7/2012 va qua ghi nhn li rt

nhiu hnh nh li nh c mc vo tuyn ng v c 01 vt try xc ln trn ng

ng.

V vy bin php tuyn truyn hin ti l cha hiu qu. S v vi phm hnh lang

tuyn ng vn cn xy ra.

b. Ni dung/bn cht gii php ngh cng nhn l sng kin.

Mc ch: Hng dn cho Thuyn trng, Thuyn vin cch ci ta ng ng

dn kh PM3-C Mau ln my nh v pht hin tuyn ng dn kh khi tu nh

bt thy sn n gn v tr ng ng dn kh nm di bin.

L do: Lm vic vi thuyn trng, Thuyn vin h hiu ngha, mc ch ca

vic ci t ta tuyn ng, hng dn thao tc tc trn my nh v ci ta

tuyn ng, th lc ny trn mn hnh my nh v hin th cc v tr ta ca

ng ng dn kh PM3-C Mau. Qua Thuyn trng, Thuyn vin ch chn 1

im ang hin th trn mn hnh s pht hin c khon cch ca tu n v tr ca

ng ng dn kh nm di bin l bao nhiu hi l. T gip cho Thuyn trng,

Thuyn vin ch ng phng nga khng mc li hoc khng neo u ti v tr

c ng ng dn kh PM3 - C Mau di bin nhm hn ch c cc ri ro c th

xy ra vi ng ng dn kh.

c. Hiu qu v Kh nng p dng gii php:

Sng kin ny v ang c Cng ty Kh C Mau p dng ti a bn tnh C Mau

t nm 2012. Cng ty p dng sng kin ny cho cc 5 tnh Min Ty Nam B

khc t nm 2013. y l mt sng kin hay, gip cho ng dn ch ng trnh xa

ng ng dn kh khi tu di chuyn gn n khu vc tuyn ng.

Nhng iu kin cn thit p dng sng kin: thun li cho vic p dng sng

kin th Cng ty Kh C Mau phi hp vi ng kim tu thuyn ca Chi cc Khai

thc v Bo v ngun li thy sn C Mau v 5 Tnh Min Ty Nam B phi hp

cng thc hin khi ng kim i ng kim tu c nh k hng nm. V mt lu di,

kin ngh cc C quan chc nng a ra quy nh: Tt c cc tu thuyn trc khi ra

khi phi ci ta ng ng dn kh (kim sot ti cc n Bin phng ng ti

cc Ca bin/ Cng c.

y l sng kin c kh nng nhn rng trong cc n v qun l ng ng khc

trong Tng Cng ty v Tp on.

Khi p dng sng kin trn th hiu qu mang li rt kh thi.

Theo Tc gi sng kin, ci t ta ng ng gip cho cc phng tin nh bt

thy sn ci t ta ca ng ng dn kh PM3-C Mau nm di bin vo my

nh v gip cho Thuyn trng, Thuyn vin nhn bit c v tr ca ng ng

dn kh khng nh bt thy sn hoc khng neo u trong hnh lang an ton ca

ng ng nm di bin.Thng qua , cc phng tin nh bt thy sn trn bin

ch ng v phng nga khng mc li hoc mi neo mc vo ng dn kh

PM3-C Mau di bin, c 2 bn cng li khi p dng sng kin ny. T , trnh

c cc nh hng khng ng c nh hng n tuyn ng. Gim bt chi ph sa

cha t xut cho tuyn ng.

Theo nh gi ca n v p dng sng kin, gii php ny gip cho n v truyn

t trc tip n cc phng tin nh bt thy sn trn bin c my nh v gip

cho Thuyn trng, Thuyn vin bit c v tr ca ng ng, ch ng khng

nh bt hoc khng th neo trong khu vc hnh lang an ton tuyn ng bin. T ,

gim bt chi ph tuyn truyn v ng ng cho cc tu thuyn hot ng trong khu

vc. t c hiu qu cao trong vic bo v hnh lang tuyn ng.

Gii php ny c lnh o Ban Thanh Tra Tp on du kh Vit Nam, i din

lnh o Tng Cng ty Kh Vit Nam nh gi rt cao v Ban Ch Huy BBP v Chi

cc Khai Thc & Bo V Ngun Li Thy Sn 06 tnh Min Ty ng tnh phi hp

thc hin trong Hi ngh s kt cng tc phi hp tuyn truyn bo v ANAT ng

ng dn kh PM3- C Mau phn trn bin vi 06 tnh Min Ty t chc ngy

25/7/2012 ti C Mau.

2. Xy dng Website trao i kinh nghim, hc tp, kim tra online Cng ty Kh C Mau


Cng ty Kh C Mau pht trin v s dng phn mm Kim tra H Thng An ton

cht lng mi trng trn nn ng dng Windows s dng ngn ng lp trnh Visual

Basic kim tra kin thc H thng an ton cht lng mi trng ca Cn b cng

nhn vin Cng ty. Do phn mm c thit k di dng ng dng n, ch cc

my tnh c ci t phn mm ny mi c th s dng c v c s d liu c

cp nht ring r gy kh khn cho ngi dng.

Do nhu cu hc tp v chia s kinh nghim ca Cn b cng nhn vin KCM l rt

ln nn cn thit phi xy dng mt din n l ni hc tp, chia s, trao i kinh

nghim.

b. Ni dung/bn cht gii php ngh cng nhn l sng kin.

gii quyt vn trn v tng cng kh nng hot ng ca phn mm trn cc

thit b di ng, tp th tc gi nghin cu v a ra gii php thay i phn mm

kim tra h thng an ton qun l bng website kim tra v h tr hc tp, trao i,

chia s kinh nghim trc tuyn


Khi p dng sng kin t Thng 7/2012 n nay, sng kin mang li nhng hiu

qu cao nh sau:

Tit gim chi ph o to.

Tit gim chi ph, cp nht c s d liu phn mm c.

Cp nht thng tin lp hc nhanh chng.

Cp nht c s d liu, ngn hng cu hi d dng.

Gip cn b nhn vin d dng truy cp v s dng ng dng trn tt c cc thit b

c kh nng truy cp web.

Din n tho lun h tr chia s d liu d dng, phn theo tng chuyn mc khoa

hc.

nh gi cht lng cn b nhn vin tham gia kim tra mt cch chnh xc.

Thng qua cc thng k trn website c th nm bt c mc tham gia vo lp

hc ca tng cn b nhn vin, mc hp l, kh, d ca kim tra,

3. Thit k board mch x l cho Beacon ti cc trm kh thuc Cng ty Kh C Mau


Board mch x l cho Beacon ca h thng Safety ti cc trm kh C Mau thng

xuyn b h hng do lm vic trn mi trng gn bin, kh hu khc nghit. Vic

sa cha khi Board b li, h hng gp rt nhiu kh khn do.

Board mch x l c thit k loi chuyn dng. Do vy kh khn cho vic

t hng khi thay th.

Linh kin trn Board mch l loi chuyn dng khng c trn th trng do vy

rt kh khn cho vic sa cha khi h hng.

Ti liu chi tit v ca Board mch x l th khng c do vy rt kh khn cho

vic bo dng v sa cha khi h hng.


thun tin cho vic sa cha Board mch x l khi c li xy ra, thay th khi

Board mch b h hng v c bit l lm ch c thit b, khng ph thuc vo

nh cung cp khi t hng. Tp th tc gi nghin cu v a ra gii php thay i

thit k li Board mch x l cho Beacon cho ph hp yu cu thc tin.

c im ca Board x l c thit k mi:

S dng cng ngh x l mi.

n bo loi n Led siu sng cng ngh mi.

V s dng n bo loi n Led do vy in p s dng thp khng phng in

gy nguy him chy n.

Kh nng pht nhit thp.

Mch in n gin, thit b sn c trn th trng. Do vy kh nng d phng

cao.


Sng kin ny s dng cho tt c cc Board mch x l cho Beacon, n bo khng

lu ti cc trm kh, hoc cng c th p dng trong cc dy chuyn cng ngh ca

Nh my lc du, Nh my m, Nh my ch bin kh khi c s dng Beacon cho

h thng Safety.

Thi gian p dng ti KCM: Thng 7/2012 n nay sng kin ny mang li cc

hiu qu cao.

Hiu qu v mt k thut, V Board mch c t thit k do vy kh nng lm ch

v thit b rt cao. Mch x l khng phc tp, thit b c sn trn th trng do vy

d dng cho vic sa cha v thay th khi c h hng xy ra.T , nng cao c

kin thc trong vic thit k v sa cha board mch.

Hiu qu v mt kinh t, chi ph mua sm vt t gim, tt c cc trm kh ti C Mau

s dng 24 Beacon, vi chu k thay th theo thng k thay th trung bnh khong

2 nm/1 ln. Chi ph t mua board mch x l khong 24 triu/1 board (s liu

ly theo gi thnh mua vt t thay th ca nm 2011) trong khi chi ph ch to

Board mi vo khong 7 triu ng.

Nh vy vi vic thit k mi Board mch x l cho Beacon, mi nm s tit kim

cho cng ty vi s tin l: {24 * (24 7)}/2 = 204 triu.

V vy, Phng n thit k mi Board mch x l cho Beacon ti cc trm kh C

Mau s ch ng cho vic thay th v sa cha khi c h hng xy ra, ch ng c

vt t d phng m khng ph thuc vo cc nh cung cp thit b. Nng cao c

tm hiu bit v vic thit k, ch to Board mch. Tit gim c chi ph vt t d

phng thay th cho Cng ty.

4. Thit k v lp t h thng iu khin By-pass m cng bc cc van PCV ti trm kh LFS C Mau


H thng iu khin cc PCV ti trm LFS c ly tn hiu iu khin t h thng

Process Control System. Qu trnh vn hnh iu kin bnh thng th khng c

nh hng n vic cp kh cho h thng. Tuy nhin khi c cc s c xy ra nh:

Treo CPU ca PLC, Card Power Supply ca h thng PLC b h, Card Analog Output

b h, UPS b h gy mt ngun ca ton b h thng iu khin, vic gy gin

on cp kh cho h thng l khng th trnh khi.

Thc t s c xy ra vo ngy 03/02/2012 gy mt in ton b h thng iu

khin v ng ton b cc PCV ti LFS.


h thng iu khin cc van PCV lm vic c lin tc v duy tr vic cp kh

khi c nhng s c ngoi mong mun xy ra. Tp th tc gi nghin cu v a

ra gii php thay i thit k li h thng iu khin PCV ti cc trm kh cho ph

hp yu cu thc tin.

c. Hiu qu v Kh nng p dng gii php.

Sng kin ny s dng cho tt c cc h thng iu khin ng m cc Control valve

(PCV) ti cc trm kh, hoc cng c th p dng trong cc dy chuyn cng ngh

ca Nh my lc du, Nh my m, Nh my ch bin kh khi s c hng mt thit

b nh hng ln n hot ng ca c dy chuyn.

Hiu qu v mt k thut, hn ch ti thiu mc Shutdown trm. T , duy tr

cp kh c lin tc.

Quy trnh vn hnh khng phc tp, ngi vn hnh nhanh chng thun thc, d

dng.

Hiu qu v mt kinh t, nu nh LFS b Shutdown do nhng li nh treo CPU ca

PLC, Card Power Supply ca h thng PLC b h, Card Analog Output b h, UPS

b h hng lm mt ngun ca ton b h thng iu khin, th thi gian khi phc

li qu trnh vn hnh mt khong 2h (do vic di chuyn t vn phng cng ty n

trm LFS kh xa). Nu GDC vn hnh vi lu lng max l 260.000 KSm3/h th thi

gian Unlinepack rt ngn (khong 5 n 6 pht tu thuc vo p sut u ra ti

LFS) do vy kh nng ngng cp kh cho cc h tiu th l khng th trnh khi.

Gi s GDC cp kh vi lu lng trung bnh nm 2012 l 5.0 MSCMD th 1 ln

dng kh trong 1h c th lm gim sn lng khong 208.000 KSm3 tng ng

mc thit hi cho Cng ty l: (208*39.5)*1.2 (1.2 USD l n gi vn chuyn kh)

= 9.859 USD = 207 triu VN.

Nh vy khi phc li h thng sau khi khc phc s c th thit hi cho cng

ty l: 207 triu * 2h = 414 triu.

T nhng hiu qu trn cho thy, phng n lp t h thng iu khin By Pass

m cng bc cc van PCV ti trm kh LFS C Mau nhm hn ch ti thiu mc

Shutdown trm, duy tr cp kh c lin tc.

V h thng t lm do vy gim thiu c chi ph u t do khng phi thu nh

thu thit k v lp t. Chi ph lp t cho ton b h thng nh vo khong 30 triu

ng.

Hn na vic Shutdown ton b h thng s gy nh hng n an ninh nng lng

quc gia, nh hng ti vic thc hin mc tiu AT-CL-MT ca Cng ty.

5. Thit k lp t b ngun cho h thng ICMS ti cc trm kh thuc Cng ty Kh C Mau


H thng o s liu n mn ng ng ICMS (h thng qun l n mn tch hp) s

dng Pin c tui th trung bnh ngn, thi gian thay th nhiu (2 ln/1 nm) v c

bit l trong qu trnh s dng thng xuyn xy ra tnh trng Pin cp ngun cho h

thng ICMS b ht lm gin on cho vic ly s liu t ng, gy nh hng n

vic kim sot n mn ca h thng.


thun tin cho vic bo dng, sa cha v ly s liu n mn ng ng c

thun tin v khng nh hng bi nhng li mt s liu do Pin ca h thng gy ra

v khng ph thuc vo nh cung cp khi t hng. Tp th tc gi nghin cu v

a ra gii php thit k lp t b ngun DC cung cp cho h thng ICMS ti trm

kh C Mau cho ph hp yu cu thc tin.

c. Hiu qu v Kh nng p dng gii php.

Gii php ny s dng cho tt c cc h thng o s liu n mn ng ng ti cc

trm kh, hoc cng c th p dng trong cc dy chuyn cng ngh ca NM lc du,

NM m, NM ch bin kh khi c s dng h ICMS.

Thi gian p dng ti Kh C Mau: Thng 8/2012 n nay mang li nhiu hiu

qu.

Hiu qu v mt ky thut:

B ngun lun c sn trn th trng do vy d dng cho vic sa cha v thay th

khi c h hng xy ra. H thng ICMS lm vic lun n nh v c ly ngun t

h thng UPS.

Hiu qu v mt kinh t:

Phng php ny ngoi vic m bo h thng ICMS hot ng c n nh cn

tit kim c chi ph BDSC cho Cng ty, c th nh sau:

Cc trm kh C Mau c 6 h thng ICMS, vi chu k thay th 2 ln/ 1 nm. Chi ph

mua Pin khong 6,5 triu/1Pin trong khi chi ph lp mi 1 b ngun khong 1,5

triu ng

Nh vy vi vic lp mi b ngun thay th cho Pin, mi nm s tit kim cho cng

ty vi s tin l: {6 * (6,5 1,5)} * 2 = 60 triu.

Phng n lp t b ngun cho h thng ICMS ti cc trm kh C Mau s ch ng

cho vic thay th v sa cha khi c h hng xy ra, ch ng c vt t d phng

m khng ph thuc vo cc nh cung cp thit b. Tit gim c chi ph BDSC cho

Cng ty.

VI. SNG KIN CI TIN NM 2013

1. Xy dng phng n cp kh an ton v hiu qu khi trm nn LFS i vo hot

ng bng phn mm m phng OLGA.


Vic lp t b sung trm nn kh ti LFS (p sut u vo/ra my nn theo thit k

tng ng l 31.92 barg v 86.2 barg) s gip tng cng sut vn chuyn ca ng

ng PM3 C Mau t 6.07 MSCMD nh hin ti ln ti a 6.46 MSCMD (vi p sut

u gin BRB l 138 barg); v A0/PVPCM s linh hot hn trong vic huy ng cc

t my ca NM in CM trong cc gi cao im (thay v 3 gi lin tc 100% cng

sut 4 t my 1,500 MW nh hin ti th c th tng ln ti 6 gi lin tc). Tuy nhin

s gp 3 trng hp:

Trong trng hp my nn shutdown kh nng dn n NM m shutdown l

rt ln (Nu A0/PVPCM khng kp gim tiu th kh PM3 th ty thuc vo

tng lu lng tiu th v p sut u vo my nn ti thi im m sau mt

khong thi gian nht nh GDC v NM m s b shutdown do p sut thp).

Nu vn hnh ng nh thit k th trong trng hp xu nht NM m CM s

shutdown sau 18 pht nu A0/PVPCM khng phi hp gim ti.

c tnh tng thit hi i vi NM m trong mi ln shutdown (gin on

cp kh) ln n 23 t ng; v NM m cng cn mt khong thi gian 01

ngy cho vic khi ng li sau mi ln shutdown.

Nh vy vn cp thit t ra: phi xy dng phng n cp kh an ton v hiu

qu (ti u kh PM3) cho cc h tiu th khi trm nn LFS i vo hot ng.

b. Ni dung gii php ngh cng nhn sng kin ti u sn lng kh PM3 ng thi m bo vn hnh an ton, lin tc khi my

nn LFS gp s c shutdown, ta xc nh c cc thng s sau:

Thi gian nh my m shutdown.

p sut ti thiu u vo my nn

Cng sut ng ng.

Phng n huy ng.

Da vo phn mm OLGA s xc nh s st p tuyn ng b v tng p sut tuyn

ng bin sau khi my nn shutdown. T , A0/PVPCM c thi gian gim ti

tiu th khi my nn shutdown m bo an ton h thng Kh - in m v ti

u ha c lng kh PM3.


Sng kin a ra c 2 gii php nh sau:

Xy dng c di p sut vn hnh ti thiu u vo my nn m bo

trong trng hp my nn shutdown th A0/PVPCM c thi gian gim

ti tiu th m bo an ton cho dy chuyn Kh in m. (Nu khng

m bo iu kin ny, A0/PVPCM khng kp gim ti tiu th v dn n

nguy c shutdown NM m).

Xy dng c cc Phng n huy ng ti u kh PM3 m vn m bo cp

kh an ton trong vn hnh bnh thng cng nh khi my nn gp s c

shutdown.

Cng ty Kh C Mau s dng kt qu t cc phng n xy dng trn p

dng cho ng ng PM3 khi trm nn LFS i vo vn hnh, ng thi sng kin

ny cng l c s thuyt phc A0/ PVPCM hon thin quy trnh phi hp vn hnh

4 bn Kh in m A0 khi trm nn LFS i vo vn hnh, m bo dy chuyn

Kh in m vn hnh an ton, hiu qu v t cng sut ti u nht.

2. ng b kt qu kho st ROV vi kt qu phng Pig xc nh ta cc

im khuyt tt theo kt qu phng Pig ca ng ng PM3 C Mau. ng

dng xc nh v tr im khuyt tt m khng cn phng Pig v lp t Marker


Kt qu kho st ROV ghi nhn c ta ca ton b tuyn ng bin PM3 C

Mau, nhng khng xc nh c ta ca cc im khuyt tt trn ng ng. Kt

qu phng Pig ghi nhn c v tr cc im khuyt tt trn ng ng, tuy nhin

khng xc nh c ta ca tuyn ng bin PM3 C Mau.

ng b kt qu kho st ROV v kt qu phng Pig c th xc nh c ta ca

cc im khuyt tt. T nng cao cng tc qun l ng ng, ct hon ton chi

ph nh v khuyt tt c thc hin nhiu giai on gm lp t marker, phng Pig

li rt tn km.

b. Ni dung gii php ngh cng nhn sng kin gii quyt vn trn, tp th tc gi nghin cu v da vo kt qu kho st

ROV nm 2012 ghi nhn cc d liu v v tr v ta lp t cc Marker, v tr v

ta cc Anode hy sinh bo v chng n mn ca tuyn ng bin, v tr, s lng

v ta cc field joint (mi hn ng ng) ng thi s dng kt qu phng Pig

ghi nhn c cc s liu v s lng field joint v nh s th t ln lt cho cc

field joint, s lng Anode hy sinh v nh s th t ln lt cho cc Anode hy sinh,

v tr cc Anode hy sinh c lp t field joint th my ca tuyn ng bin, cc

Y-tee, Subsea Valve, Clamp c gn c nh trn tuyn ng bin.

T tin hnh ng b d liu phng Pig v kt qu kho st ROV nh sau:

Ly s th t ca field joint gn k vi cc Y-Tee c lp t khi kho st

ROV c pht hin trong kt qu phng Pig nm 2012 lm s th t cho

field joint c pht hin trong kt qu kho st ROV nm 2012.

T s th t field joint theo kt qu phng Pig c xc nh ti cc v tr Y-

tee, tin hnh thng k v nh s ln lt cc field joint c pht hin theo

kt qu ROV.

Ln lt i chiu s th t field joint tng ng cc v tr Anode hy sinh c

pht hin trong kt qu kho st ROV vi v tr Anode hy sinh theo kt qu

phng Pig kim tra tnh ng n ca vic ng b v iu chnh nu c s

sai khc.

Bng cch thng k tng field joint theo kt qu kho st ROV v ng b vi

kt qu phng Pig, i chiu vi cc Anode hy sinh v v tr lp t Marker ta

xc nh c s th t ca field joint theo kt qu kho st ROV tng ng

vi kt qu phng Pig l bao nhiu.

Ta cc field joint theo kt qu ROV ta bit. S th t ca cc field joint

ny theo kt qu phng Pig c xc nh bng cch ng b nh trn. T ,

suy ngc ra ta ca cc field joint theo kt qu phng Pig. M cc im

khuyt tt c xc nh theo s th t field joint, t ta suy ra ta tng

ng ca cc im khuyt tt.

T kt qu ng b, c th iu tu ROV n kho st v xc nh chnh xc im khuyt tt m khng phi thc hin lp t Marker v phng Pig nh sau:

Tuyn ng bin c lp t hn 2400 anode hi sinh vi khong cch gia cc

anode l gn 100 mt. Vic ng b kt qu kho st ROV v phng Pig c th

xc nh ta cc Anode hy sinh.

Mi im khuyt tt cch mt field joint xc nh mt khong cch bit trc.

Mi anode hy sinh cch mt s lng field joint bit trc.

Cho tu n v tr anode hy sinh c ta xc nh t trc. T v tr anode

hy sinh ny, m s field joint n v tr ca im field joint m ti im

khuyt tt s c xc nh theo field joint ny.

Sau khi xc nh im khuyt tt, i chiu ta ghi nhn hin ti vi ta

m kt qu ng b xc nhn t trc.


Cng ty Kh C Mau p dng sng kin ny a vo sn xut gp phn nng cao hiu qu cng tc qun l ng ng. i vi cc tuyn ng bin, vic phng Pig xc nh ta cho cc im khuyt tt l rt tn km chi ph v kh thc hin. Bng vic ng b d liu phng Pig thng minh vi kt qu kho st ROV c th xc nh ta cc im khuyt tt. Ngoi ra, sng kin cn c th ng dng kt qu ng b m tu ROV c th xc nh ngay im khuyt tt m khng phi lp t Marker hoc phng Pig nh vic thc hin nh phng php c. Vi vic a sng kin ny vo vn hnh, tit kim c 24 t/ ln kim tra, em li li ch rt ln v mt kinh t cho Tng Cng Ty v Tp on du Kh Quc Gia. ng dng ny c

th p dng cho tt c cc tuyn ng bin khng chn cng nh tuyn ng b PM3-CM khi xc nh r rng cc v tr anode trn tuyn ng

3. Khc phc li truyn thng t gin BRA n GDC do treo Modbus Gateway

Server


H thng SCADA c t ti GDS lin tc cp nht cc gi tr p sut, nhit ,

lu lng, nhm phc v cng tc vn hnh tt nht. Do iu kin vn hnh ca

gin v vic bng thng v tinh c gii hn lm cho thit b Westermo EDW-100

(Modbus Gateway) lun hot ng vi hiu sut rt cao nn thnh thong b treo dn

n GDC khng th cp nht c cc thng s vn hnh t gin BR-A. Trc khi

c gii php, b phn bo dng sa cha phi lin lc vi gin BRA yu cu

reset thit b.


gii quyt vn trn tp th tc gi nghin cu v a ra gii php xy dng

mt cng c trn fasttools server c kh nng truy cp trc tip n thit b Modbus

gateway t ti gin v reboot thit b ny gip h thng hot ng lin tc tr li.

Trn thit b Westermo EDW-100 t ti gin BR-A, tin hnh m cng kt ni thit

b theo giao thc telnet, port 23. Thit lp ch ng nhp bo mt.Trn Router

Cisco t ti KCM v Router Cisco t ti gin BR-A, tin hnh m cc kt ni cho

php gi tin telnet c nh tuyn ng a ch thit b. Thit k nt nhn nhanh trn

giao din HMI, nt nhn ny s gi phn mm thc hin sa li kt ni c lu tr

trn Scada server. Trn SCADA Server xy dng phn mm mng c kh nng kt

ni trc tip vi thit b qua giao thc telnet port 23. Phn mm s t ng ng nhp

vo thit b vi username v password c ci t sn. Sau khi ng nhp thnh

cng, phn mm s thc thi lnh khi ng li thit b Modbus gateway khc phc

li. Sng kin ny c th p dng tt c cc n v s dng thit b t xa c h

tr giao thc telnet.


Vi chi ph u t h thng thp nhng mang li hiu qu cao trong cng tc vn

hnh h thng, hp l ha sn xut, gip KCM ch ng trong vic x l, khc phc

s c thit b gin BRA. T , gim chi ph c nhn s ra gin khc phc li

thit b v thi gian khc phc li thit b nhanh.

4. Nng p sut bnh kh chun C6 t 23.3 bar ln 50 bar & C9 t 15.8 bar ln 64.5

bar


H thng phn tch sc k kh GC hot ng chy chun 1 ln/ ngy nhm cp nht

cc h s t kt qu phn tch kh chun so vi kt qu kh t chng ch bnh kh

chun. Kh chun c ly t bnh kh qua van iu p (Regulator) gim p xung

gn 2 bar. Kh mu sau i qua h thng gia nhit ca my GC (Preheat Coil) t

n nhit 70C, tip n qua h thng cc Column tch cc thnh phn kh theo

c ch hp ph, cc kh ny ln lt c a qua h thng Detector xc nh

khi lng phn trm Mol. V sau thi qua h thng x (Vent), kt thc qu trnh

chy chun GC. Hin ti bnh kh chun C6 dng chy chun GC cho nh my in

c p sut 23,3 bar, bnh kh chun C9 dng chy chun GC cho nh my m c p

sut 15,8 bar. Vi p sut hin ti, hng nm lng kh chy chun cho ton b dy

chuyn hn 700 triu.


Nng p sut bnh kh chun C6 t 23,3 bar ln 50 bar v C9 t 15,8 bar ln 64,5 bar.

Theo tnh ton thng s trn phn mm HYSYS th t thnh phn ca kh chun C6+

v C9+, cho thy vic tng p sut ca bnh kh chun C6+ t 23,3 bar ln 50 bar v

bnh kh chun C9+ t 15,8 bar ln 64,5 bar vn m bo chnh xc ca thnh

phn kh chun v cc iu kin phn tch ca my phn tch sc k Kh GC. V vy,

t sng kin a ra phng n nng p sut bnh kh chun t 23.3 bar ln 50 bar,

v ang p dng ti Kh C Mau.


Bng vic nng p sut bnh Kh chun, hng nm tit kim c 400 triu ng chi

ph vt t tiu hao nguyn liu cho h thng phn tch sc k kh.

5. Tnh ton li chiu di free span ti a cho php cho cng trnh PM3 C Mau


Qua tm hiu ti liu tnh ton free span s PM3.G-VSRE-ED-03-3-CA-010 ca d

n PM3 C Mau, chng ti nhn thy cc thng s c s dng trong tnh ton

cho cng trnh giai on thit k l cha ph hp vi tiu chun DNV RP F105

(Tiu chun c s dng tnh ton chiu di free span ti a cho php cho cng

trnh PM3 C Mau). Vic la chn cc thng s ny khng ph hp ny lm nh

hng n chiu di free span ti a cho php, ko theo nh hng n tnh ton vn

ca ng ng. Trong khi chi ph cho cc cng vic lin quan n tuyn ng bin l

rt tn km.


gii quyt vn trn, tp th tc gi nghin cu k tiu chun, tm cc ti liu

kho st v lp t cng trnh tnh ton li chiu di free span ti a cho php cho

cng trnh PM3 C Mau.

Vic tnh ton chiu di free span ti a cho php ph thuc vo cc thng s nh

sau:

iu kin thy vn nh chiu cao sng, tc dng chy, hng cc dng chy,

v xc xut xy ra cc iu kin thy vn theo php ni suy trong thi gian tui

th cng trnh, da trn cn c l cc s liu iu kin thy vn ghi nhn c

bng thng k.

iu kin thit k ca bn thn ng ng nh b dy ng, ng knh ng,

cc lp ph bn ngoi (b tng, nha ng,) cng nh cc thng s v nhit

v mi cht vn chuyn trong ng.

iu kin v a cht, a hnh ca y bin, tnh cht t ni ng ng i qua.

Cc ti trng cc dng ln ng gy ra do qu trnh lp t.

Ngoi ra cn ph thuc vo mc an ton ca tng khu vc ni ng ng i

qua.

Chiu di free span ti a cho php cho ng ng bin phi m bo iu kin bn cho cc trng hp sau:

Tha mn ng sut ng (dynamic stress): nh gi chiu di free span trong

trng hp ng ng chu tc dng ca ti trng ng, bao gm: dng chy,

sng, Khi ng ng chu ti trng ng th ng sut tc ng ln ng do cc

ti trng ny gy ra phi nh hn gi tr cho php (gii hn bn ca vt liu).

Tha mn ng sut tnh (static stress): nh gi chiu di free span ti a cho

php trong trng hp ng ng chu tc dng ca p lc nc, ca bn thn

trng lng ng, Khi ng ng chu ti trng tnh th ng sut tc ng ln

ng do cc ti trng ny gy ra phi nh hn gi tr cho php.

Tha mn nh hng ca mi vt liu (fatigue): nh gi chiu di free span

ti a cho php trong trng hp ng ng chu mi trong thi gian tui th

cng trnh. Tt c cc ti trng ng gy ra s to nn dao ng nh cho ng

ng. Cc dao ng ny s to nn s mi ca vt liu. Chiu di free span ti

a cho php phi m bo trong thi gian tui th cng trnh (30 nm), ng

ng s khng b ph hy do s mi ca vt liu gy ra.

Bng cc cng thc tnh ton c xy dng trn phn mm MathCad 14 v Excel h tr vic tnh ton, Kh C Mau a ra v tr cc im free span khc bit so vi kt qu kho st ban u. ng thi, kim chng li kt qu tnh ton, Kh C Mau thu DNV l n v ng kim ca d n PM3 C Mau, cng l t chc ban hnh tiu chun DNV RP F105 kim chng li kt qu tnh. Kt qu cng c Cng ty Dch V Kh v Ban K thut Sn xut nh gi l ph hp vi tiu chun v iu kin thc t ca cng trnh PM3 C Mau.


Kt qu kho st ROV nm 2012 cho thy c 10 im free span vt qu chiu di

ti a cho php. Cc im ny phi c sa cha ngay trong nm 2013 vi chi ph

d ton ban u l 54.954.000.000 VN. Kt qu tnh cho thy khng c im free

span no vt qu gi tr cho php c DNV Vit Nam xc nhn. Nh vy vic tnh

ton li chiu di free span ti a cho php tit kim c hng chc t ng cho

mi 2 nm kho st ROV. Kt qu tnh cn l cn c trin khai vic bo dng

sa cha ng ng theo nguyn tc Risk Based Inspection.

VII. SNG KIN CI TIN NM 2014

1. Xy dng phng n nh gi nh hng ca p sut n tiu th nng lng

cho cc trm kh KCM.


Nng lng tiu tn cho ton b h thng kh (LFS v GDC) khi c trm nn ph

thuc rt nhiu vo ch vn hnh ca my nn (p sut ci t u y v u ht).

T , t sng kin a ra phng n thay i ch vn hnh ca my nn

ti u ha lng nhin liu tiu tn trong qu trnh vn hnh h thng kh PM3 C

Mau.


T sng kin a ra nhng yu t nh hng n ngun nng lng tiu hao khi

vn hnh my nn nh sau:

p sut u y ci t cng thp th nng lng tiu tn ti LFS cho my nn

cng thp, tuy nhin li ri ro cho cc H tiu th trong trng hp my nn

shutdown.

p sut u y cng cao th nng lng tiu tn ti LFS cho my nn cng cao

v nhin liu tiu tn cho Water Bath Heater ti GDC cng cao.

p sut u y v u ht chnh nhau cng thp th nng lng tiu hao cho

my nn cng thp , tuy nhin p sut u y phi cao hn u ht t nht 7

barg m bo s hot ng ca h thng kh lm kn.

Nh vy nng lng tiu tn cho ton b h thng kh (LFS v GDC) khi c trm nn ph thuc rt nhiu vo ch vn hnh ca my nn (p sut ci t u y v u ht). T , t sng kin a ra c cc phng n thc hin: tin hnh tnh ton l thuyt nng lng tiu hao ti trm LFS theo p sut u ht v u y my nn, sau da vo phn mm HYSYS xc nh nng lng tiu hao ti GDC theo p sut u y ca my nn. Sau xc nh tng nng lng tiu hao ton h thng. Tip theo kho st tiu hao in nng ti LFS v so snh vi nng lng tiu hao ca kh nhin liu (fuel gas). Cui cng i chiu vi kt qu kho st thc nghim v a ra kt lun.


Gii php xut xc nh c gi tr p sut ci t u ht v u y ca my

nn trong cc gi cao im/ thp im tng nng lng tiu hao cho ton h thng

l nh nht. V mt kinh t th nng lng tit kim c ph thuc vo s ngy vn

hnh my nn thc t. Tng s tin tit kim hng nm c tnh: 7 thng * 30 ngy

* 3 kscm* 39.5 GJ/kscm * 7.609 USD/GJ =189,300 USD/nm (3.98 t ng).

(Ghi ch: gi kh mua ti m c tnh 6.5 USD/GJ, s thng ma ma: 3 thng, s

ngy shutdown ngoi k hoch pha thng ngun v h ngun: 60 ngy.)

Hin ti, gii php c trin khai thc hin trn thc t a vo p dng. Tng

s tin tit kim t lc p dng gii php n thng 07/2014 l 303 triu ng (giai

on thng 08, 09/2014 l giai on ma ma khng vn hnh my nn).

tổng hợp sáng kiến 2007-2014 (rev 02)

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