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Well Name:

Chevron Bangladesh Drilling Morning Report

Report Printed : 11/3/2012

Date: 11/2/2012

Slot:

SBU Drilling Well Category : Drlg Well Category 3

Rig: WDI 801 End Date:

Days Since Last DAFW / RI Case : 689 / 36

Total Time: 60.00

Time from Spud: 53.02

Rpt No: 60

Hours: 24.00

Depth End (MD) (mKB): 4,183 TVD End (mKB): 3,465.19

Field Name

BibiyanaOriginal Spud Date

9/10/2012Country

BangladeshWater Depth (m) Original KB to Mud Line (m)

Actual Start Date

9/4/2012 00:00Actual End Date Target Depth (MD) (mKB)

4,450Target Depth (TVD) (mKB)

AFE/WBS Number

100630Total AFE Amount (Cost)

19,433,001Safety/Inspections

Date Safety Check Tour Des

11/2/2012 00:00 Pre-Job Meeting Night Gen. Crane lifting

11/2/2012 00:00 Pre-Job Meeting Night Gen Hot work (PTW)

11/2/2012 00:00 Pre-Job Meeting Night Clean Mud Tank (PTW)

11/2/2012 00:00 Pre-Job Meeting Night Gen. Forklift ops

11/2/2012 01:30 Safety Procedures Night T-card Audit

11/2/2012 06:00 Pre-Job Meeting Day Hot Work - Rain Shed (PTW)

11/2/2012 06:00 Pre-Job Meeting Day Gen. Forklift ops

11/2/2012 06:30 Pre-Job Meeting Day Service TD (PTW)

11/2/2012 06:30 Safety Meeting Day Permit Meeting- BBS, Tnt# 2

11/2/2012 06:30 Pre-Tour Safety Meeting Day w/Akota, BBS, Tnt# 2

11/2/2012 07:00 Pre-Tour Safety Meeting Day w/Drivers, BBS, Tnt# 2

11/2/2012 07:00 Pre-Job Meeting Day General maintenance (BJ)

11/2/2012 08:00 Pre-Job Meeting Day Slip & Cut Drill Line (PTW)

11/2/2012 08:00 Pre-Job Meeting Day Refueling equipments (PTW)

11/2/2012 08:00 Pre-Job Meeting Day Painting with brush

11/2/2012 08:28 Trip Drill Day Trip Drill/40sec

11/2/2012 09:30 PTW Audit Day General hotwork, TRA audited

11/2/2012 10:45 Pre-Job Meeting Day Collecting waste materials from Location

11/2/2012 11:30 Pre-Tour Safety Meeting Day RADAR Cards, Ops, Tnt#2

11/2/2012 12:00 Pre-Job Meeting Day Gen Hot work (PTW)

11/2/2012 12:00 Pre-Job Meeting Day Gen. Crane lifting

11/2/2012 13:30 Safety Procedures Day T-card Audit

11/2/2012 14:00 Pre-Job Meeting Day Service Geberator (PTW)

11/2/2012 14:10 PTW Audit Day Fixing sunshade on roof, TRA audited

11/2/2012 16:00 PTW Audit Day Transfer & refueling diesel, TRA audited

11/2/2012 17:00 Safety Meeting Day Permit Meeting- BBS, Tnt#2

11/2/2012 18:00 Pre-Job Meeting Night Gen. Forklift ops

11/2/2012 18:30 Pre-Job Meeting Night Refueling equipments (PTW)

11/2/2012 18:30 Pre-Tour Safety Meeting Night w/Akota, BBS, Tnt# 2

11/2/2012 22:00 Pre-Job Meeting Night Working at Height (PTW)

Safety / Environmental IncidentsIncident Cat. Incident Desc

No safety or environmental incident.

BY-16

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Well Name:



Date: 11/2/2012

Slot:




Total Time: 60.00


Rpt No: 60

Hours: 24.00

Daily OperationsReport Start Date

11/2/2012 00:00Report End Date

11/3/2012 00:00Daily Field Est Total (Cost)

198,330Cum Field Est To Date (Cost)

13,253,170Daily Mud Field Est (Cost)

7,394Cum Mud Cost to Date (Cost)

438,545Drilling Hours (hr)

4.50Cum Rotating Hrs on Casing

185.5Operations Summary

Ops for past 24 hrs: Trouble shoot LWD. TIH to 3022m. Slip & cut drill line. Cont TIH to 3840m. Ream & wash to 4137m. Drill 8-1/2" hole f/ 4137m to 4183m.

Projected ops for next 24 hrs: Work on pipe handler & C/O saver sub. Cont drilling 8-1/2" hole section.Comments

00:00-05:00 Ops:

00:00-00:30 Rig Service

00:30-02:00 Change Grabber dies on pipe handler. Monitor on the trip Tank

02:00-02:30 Circulate Gas 15%

02:30-04:30 Pull one stand and Change out Saver Sub. Monitor on the trip Tank

04:30-05:00 Continue drilling 8 1/2" hole section F/4183 T/4189mMax Drill Gas

6.10Avg Background Gas

4.16Head Count

129.0Required Matls next day

Hawk jaw: WDI 100-10 torque wrench on site. Lamprell performed engineering survey for installation. Awaiting installation.Hydraulic torque wrench waiting on parts.Leaking main seal on ODS hydraulic cathead. Recieved spare seals. Will install while performing open hole logging.Multiple leaking or inoperable 6" valves in mud tanks. Spares on location. Will repair during rig move.93 joints of Chevron 5" drillpipe being utilized by WDI.#15 Seal leaking & shaft misaligned causing vibration on Reserve pit #1, no spare parts.Diesel centrifuge not working waiting on seals.Safety Observation Cards

Observation Typ # Rpts Com

CVX-9, WDI-15, Other-40 64 During lifting gear oil barrel by crane I observed a person on the rig floor came in between the air winch and the load when they were putting it down. I immediately stopped the crane operator and moved the person to safety and explained the hazard that he could have been caught in between. Tenet # 2 - OMAR FARUQUE - FLOORMAN - WDI

Daily ContactsContact

Tracy Love

Stephen Joubert

Jay Darder

Musharref Hossain

Latifur Rahman

Peter Jennings

Time Log

Start Time End Time Phase Activity Dur (hr)Unsched Event?

UE Time (hr)

UE Ref No. Com

00:00 01:30 PRODCSG, DRILL BHATST 1.50 Yes 1.00 38 Trouble shooting LWD. Suspected problem with Radio Active Source.

01:30 08:30 PRODCSG, DRILL TIH 7.00 TIH to 3022m.

08:30 10:30 PRODCSG, DRILL DRLLNSC 2.00 HPJSM. Slip & cut 88' of drill line.

10:30 11:00 PRODCSG, DRILL UNITMAIN 0.50 Rig service - Change out TDS gear lube.

11:00 14:00 PRODCSG, DRILL TIH 3.00 Cont TIH f/ 3022m. Set down @ 3840m w/ up to 30K and unable to work through.

14:00 15:00 PRODCSG, DRILL REAM 1.00 Yes 1.00 39 MU TDS. Ream & wash down f/ 3840m to 3855m and stall out TDS. Work string. Unable to rotate. Cont circ & work string. Gas increase to 40%. Flowcheck (static). Cont work pipe & circ until gas decreased. Set down 70K & cock jars. PU 70K overpull, hold, & fire jars. Pipe free. Cont PU & start rotation. Back ream to 3834m & ream down to 3863m. Backream & ream down stand.

15:00 15:30 PRODCSG, DRILL REAM 0.50 Ream & wash f/ 3863m to 3900m.

BY-16

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Well Name:



Date: 11/2/2012

Slot:




Total Time: 60.00


Rpt No: 60

Hours: 24.00

Time Log

Start Time End Time Phase Activity Dur (hr)Unsched Event?

UE Time (hr)

UE Ref No. Com

15:30 19:30 PRODCSG, DRILL REAM 4.00 Log down @ 100 m/hr while ream & wash f/ 3900 m to 4137m.

Note: LWD neutron porosity not working.

19:30 00:00 PRODCSG, DRILL DRLROT 4.50 Drill 8-1/2" hole F/4137m T/4183m

Today: Drilled 46m. AROP w/ connection 10.2 m/hr.

4.80 bbls/hr losses, .31 bbls/hr downhole losses.

Lithology (4237.0-4183.0m) - sandstone (15-30%), claystone(Tr-10%) silt stone (60-80%).

Recovered 36 grams metal filings off ditch magnet. Total recovery 516 grams.

PersonnelCompany Total Headcount SSE

Chevron 12

Weatherford 11 Rig Expat

Weatherford 43 Rig National

Weatherford 23 Shamolima Catering

Aker-Kvaerner 1 Wellhead Eng

Weatherford 2 LWD/MWD

BJ Services 3 Cementing

Weatherford 2 DD

MI Swaco 3 Solids control

Weatherford 0 Gyrodata

Weatherford 5 TRS

Brandt NOV 11 Solids

Weatherford 7 Wireline

Weatherford 5 SLS

Weatherford 0 Ayun ent

Chevron 1 PetroBangla

Smith International 0 Inspection

Schlumberger 0 Slickline

Weatherford 0 Completion hands

Weatherford 0 Shafiq Brothers

Chevron 0 WWT

Weatherford 0 BanglaCat

Weatherford 0 Bangla Industrial

Mud ChecksDate

11/2/2012 22:00Depth (MD) (mKB) Depth (TVD) (mKB) Mud/Brine Type

NAFSample Source

Active PitChecked By

Flow Line Temperature (°C) Fluid Density (lb/gal)

11.00Gel 10 sec (lbf/100ft²)

16.0Gel 10 min (lbf/100ft²)

32.0Gel 30 min (lbf/100ft²)

36.0YP Calc (lbf/100ft²)

16Vis 3rpm

7Vis 6rpm

8Vis 300rpm

42Vis 600rpm

68Funnel Viscosity (s/qt)

61PV Calc (Pa•s)

0pH Chlorides (mg/L)

51,500CaCl2 (mg/L)

335,000.00Electric Stability (V)

780.0Water Phase Salinity (mg/L)

283,786ROC (Wet) (% by wt) (lb/lb)

Filtration Sz (µm) High Gravity Solids (lb/bbl)

170.80Corrected Solids (%)

16.80Retort Solids (% by Volume) (%)

19.00Retort Water by Volume (%)

16.00Retort NAF by Volume (%)

65.00NAF/Water Ratio

80.2/19.8NaCl (mg/L) API Filtrate (cc/30min) API Filter Cake (1/32") HTHP Filtrate (cc/30min)

3.4HTHP Filter Cake (1/32")

1Weather Conditions

Wave Ht (m) Swell Ht (m) Wave Dir (°) Wind Spd (knots) Wind Dir P Bar (mmHg) T High (°C) T Low (°C) Visibility (km)

BY-16

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Well Name:



Date: 11/2/2012

Slot:




Total Time: 60.00


Rpt No: 60

Hours: 24.00

Support VesselsVessel Name Vessel Type Arrival Date Depart Date Note

Unscheduled EventsReference No. Start Date End Date Event Type Unsch Maj Cat Unsch Detail Description Accountable Party Contractor

38 11/2/2012 11/2/2012 NPT EQP LWD LWD tool problems. Operator's Other Contractors

Weatherford, Directional Drlg-MWD

39 11/2/2012 11/2/2012 NPT WP TIGHT HOLE Hang up @ 3855m. Work & jar free. Back ream & ream down stand.

Operator Chevron, Asset Team

Mud Additive AmountsDes Date Rec Consumed On Loc

Barite 11/2/2012 6.0 148.0

Cacl2 / Nacl 11/2/2012 40.0 200.0

Lime 11/2/2012 13.0 127.0

Nova Plus 11/2/2012 1.0 18.0

Nova Plus 11/2/2012 2.0 34.0

Versatrol M 11/2/2012 17.0 113.0

VG Plus 11/2/2012 6.0 162.0

VG-69 11/2/2012 4.0 146.0

Job Supply AmountsSupply Item Des Date Received Consumed Cum On Loc

Diesel 11/2/2012 0.0 14,315.0 42,960.0

Drill String/BHA

BHA #9, Adjustable Gauge StabilizerBit Run

1Drill Bit

8 1/2in, MDSi516, JG2045

Length (m)

0.25IADC Bit Dull

-------Bit Total Fluid Area (nozzles) (in²)

0.91BHA ROP (m/hr)

10.2

Nozzles (1/32")

15/15/15/16/16String Length (m)

261.61Max Nominal OD (in)

6.750String Components

Smith Bits MDSi516, Stabilizer - Near Bit, Float Sub, Adjustable Gauge Stabilizer, MFR, IDS, NDT, HEL, Stabilizer, 5" HWDP, JARS, 5" HWDPComment

String/BHA ComponentsItem Des Len (m) Mass/Len (lb/ft)

5" HWDP 160.42 49.30

JARS 9.67 0.00

5" HWDP 56.91 49.30

Stabilizer 1.80

HEL 5.42

NDT 8.57

IDS 3.72

MFR 8.98

Adjustable Gauge Stabilizer 3.15

Float Sub 0.81

Stabilizer - Near Bit 1.91

Drilling ParametersWellbore

Original HoleDepth Start (MD) (mKB)

4,137TVD Start (mKB)

3,437.60Depth End (MD) (mKB)

4,183TVD End (mKB)

3,465.19Drill Time (hr)

4.50On Bottom Drill Time (hr)

2.95Interval ROP (m/hr)

10.2Cum Depth Drilled (mKB)

46Cum Drilling Time (hr)

4.50Flow Rate (gpm)

500Weight on Bit (1000lbf)

20RPM (rpm)

180Stand Pipe Pressure (psi)

3,100.0Drill Str Wt (1000lbf)

270Pick-Up String Weight (1000lbf)

365Drilling Torque

20.0Weight of String in Air (1000lbf)

35Slack-Off String Weight (1000lbf)

220Casing StringsCasing Description

Intermediate Casing 2Set Depth (MD) (mKB)

3,032Set Depth (TVD) (mKB)

2,753.79Run Date

10/11/2012Comment

BY-16

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Well Name:



Date: 11/2/2012

Slot:




Total Time: 60.00


Rpt No: 60

Hours: 24.00

Casing ComponentsTop Depth (MD) (mKB) Btm Depth (MD) (mKB) Len (m) Jts Item Des OD (in) ID (in)

Tubing StringsTubing Description Set Depth (mKB) Run Date

Comment

Tubing ComponentsTop Depth (mKB) Bottom Depth (mKB) Length (m) Joints Item Description OD Nominal (in) ID (in)

BOP TestDate Com

11/1/2012 Press test 13 5/8'' 10k BOPE - annular - 200/3500psi. Upr & lwr pipe rams, VBR's, BSR's, choke/ kill HCR & manual valves, check valve, TIW, kelly cock, IBOP, standpipe & manifold, kelly hose, MP manifold, choke & kill lines, choke manifold- 200/5000 psi. Perfrom koomey drawdown test - IP - 2900 psi, FP - 1800 psi, Recharge - 2min 41 sec.

WellboresWellbore Name

Original HoleKick Off Depth (mKB)

Directional SurveysDescription

Planned survey BY-16Survey Data

Date MD (mKB) Incl (°) Azm (°) TVD (mKB) VS (m) NS (m) EW (m) DLS (°/30m)

Description

Actual Survey BY-16Survey Data

Date MD (mKB) Incl (°) Azm (°) TVD (mKB) VS (m) NS (m) EW (m) DLS (°/30m)

11/2/2012 4,137.04 52.36 244.20 3,437.62 1,257.79 -1,148.38 -548.91 0.51

11/2/2012 4,166.50 53.51 244.11 3,455.38 1,278.19 -1,158.63 -570.06 1.17

11/2/2012 4,183.00 53.51 244.11 3,465.19 1,289.71 -1,164.42 -582.00 0.00

BY-16

by-16_ddr_2012-11-02

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