kim chevron api thailand experience presentation 28apr2011
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8/12/2019 Kim Chevron API Thailand Experience Presentation 28Apr2011
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© 2010 Chevron
Thailand Experience
Kimberly McHugh
Drilling and Completions ManagerMid Continent/Alaska
1
Updated: 28 April 2011
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We started
operating inThailand in the
1960’s and
expanded to asizable operation…
2
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Thailand: Complex Geological Environment
Grant Anderson / Unocal
Thailand / Nov.95
COMP RTMENT LIZED RESERVOIRS
Simplifiedsketchshowingstructural
elementswith manysmall faultblocks drilledby wellsin structurallyhighpositions.
In 3dimensions,channelsystems are
complexand cut bymany faults:difficult topredictand image.
Onechannelsystem asseen on 3Dseismic
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Plan: Drillable Well (Dual-Kick/Plan)
West(-)/East(+) [ft]
S o u t h ( -
) / N o r t h ( + ) [ f t ]
-2000 -1000 0 1000 2000 3000
-1000
0
1000
2000
3000
9 5/8"
7"
D
CB
A
E
Plan: Drillable Well (Dual-Kick/Plan)
Vertical Section at 100.00° [ft]
T r u e V e r t i c a l D e p t h [ f t ]
-4000 -2000 0 2000 4000
0
2000
4000
6000
8000
10000
9 5/8"
7"
EE
AA
BB
CC
DD
Typical GOT “slimhole” production well
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Well Design Evolution
5
TVD
500'
1000'
4,500'
9,500'
26"
20"
13-3/8"
9-5/8"
13-3/8"
9-5/8"
7"
9-5/8"
7"
2-7/8”,
or 3-1/2”
26"
13-3/8"
9-5/8"
7"
<1983 1984-’93 1994-’96 Today
Typical BHT 350 °F, pore pressure 11-12.5ppg
7"
5-1/2"
2-7/8”
“Ultra”
Slimhole
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Standard Slim-hole Well Design
6
1000’
12¼” Hole
9⅝” Casing
WBM
7000’MD
14,000’MD
8½” Hole
7” CasingSeawater
6⅛” Hole2⅞ or 3½” Tbg
NAF
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Days to Drill & Complete
7
0
10
20
30
40
50
60
70
80
8 0
8 2
8 4
8 6
8 8
9 0
9 2
9 4
9 6
9 8
2 0 0 0
2 0 0 2
2 0 0 4
2 0 0 6
D a y s
Drilling Technology
PDC Bits 1982
Oil Based Mud 1982
Simpler Completions 1983
Unitized Wellheads 1984-87
MWD Tool 1985
Top Drive Rotary Systems 1985
Steerable Drilling Systems 1985
Super Combo Logs 1985
Steering Tools 1988
Adjustable Stabilizers1991
TCP Completions 1993
Slim Hole Monobores 1995
Splitter Wellheads 1996
Low Lime Mud 1998
Casing Drilling 1999
LWD 2002
Offline Activity Centers 2003
Offline Openhole logging 2008
*Red = Developed in Thailand
PDC’s, OBM,
Smaller
hole/casing
Top Drive
Slimhole
4 to 3
casing
strings
Increasing TVD
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© 2010 Chevron8
2010 Days / Well Vs MD/TVD
8
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Thailand VS CVX Global
Drilling - Footage
9
490,000 ft. 490,000 ft.
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But is it Safe?
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How?
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Alignment of Goals
All goals should support the PUgoals
Goals need to be clear andtargeted to impact
Accountable Visible
IndividualGoals
Key Contract Goals
Asset Goals
PU
Goals
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Critical View of Operations
• Identify Missed Opportunities
• NPT - Tool not a Stick
• Use data to focus efforts
Capitalize on Commonality
Use measurable and meaningful KPI’s (SPM)
Work together as a team (office, field, service co.,
networks)
Celebrate Success – (e-mails, competition, awards, etc.)
Manage Operations for Performance
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Drilling Time Breakdown on an Average Well – used
to evaluate offline logging
0.5
4.5
3.5
6.5
11
14
10.5
25
3
7
6.5
6
9.5
0
0.5
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
SKID
12-1/4" HOLE
9-5/8" CSG
DRILL OUT
8-1/2" HOLE
7" CSG
DRILL OUT
6-1/8" HOLE
COND HOLE
POH FOR LOG
LOG
ADD LOG
2-7/8" TBG
CMT TBG
RELEASE
Time breakdown
Wireline logging ~12.5 HRS
Plan to work offline
45 HRS
40 HRS
15
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Drilling Wells is a process and the effectiveness of process controls
determines the end result
We treat drilling wells as a repeatable process that can be optimized
Controls are used within our process to ensure adherence to soundengineering standards and effective management of risks
– Controls and Processes are in place for:
• Reservoir and geological planning
• Drilling planning and design
• Field implementation
Continuous improvement of process & controls to maximize efficiency
is everyone's responsibility
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Engineers are assigned to individual technologies and drilling
projects and are held accountable to deliver positive results
Individuals are assigned to manage specific technologicalcomponents of the process and the contracts associated with that
technology Drlg Eng teams are assigned to specific asset teams to focus on that
team’s drilling projects
Some individuals also have longer term strategic initiatives requiring
both technical and management skills Ops team concentrate on execution safely and efficiently
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Work Processes to manage high activity
6 drilling teams focused on specific areas
– Drilling Operations
– Drilling Engineering
• Performance
• Measurements
• Tangibles
• Fluids and Environmental
• Projects
Rigorous contract management
Cross funct ional integrated CPDEP process for
– Business Planning,
– Facilities,
– Well planning and execution
Data collection through “ WellView”
– detailed performance tracking and analysis
– trends and changes can be seen and addressed
Special local technology and techniques have been developed
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Wins - Operational Discipline
SOP’s
Rig QA Audits
o Safety Processes
o Equipment
Repetition of Operations
Long Term Rig Contractor “Partnerships”
Project Schedule Near Miss Reporting
o Positives
Improved Safety
o E – Colors Trainingo JSA Coaching and MSW standards
o Drilling Performance
o Hand Safety Program
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Challenges – Operational Discipline
Drilling Schedule
o Fluid
Repetition of Operations
o Safety >> Routine Operations
Organizational Capability
o July 2010 – Average of three (3) New Drilling Supt
Experience is 3 months
o Engineering – 45% Engineers with < 1 year experience
o Driller Competency
20
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Closing
Success = f (clarity of the vision + ability to change+ tolerance for pain)
“In order to succeed we must accept failure.”
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Questions