1. TAN TECK CHOON
CV Tan Teck-Choon_ Sept2016.doc6
PERSONAL DETAILS
Name : TECK CHOON
Family name: TAN
Gender: Male
Nationality : MALAYSIAN
Home Town : Miri, Sarawak, Malaysia
E-mail : ttc_02_2006@yahoo.com.sg
Phone : 60-14-686-2937 (HP); 60-85-654390 (Home)
Marital Status: Married.
EDUCATION
B.Sc. Petroleum Eng. (First Class Honours), ARSM; Imperial College of Science & Technology,
London; 1978
Ph.D. (Petroleum Eng.- Reservoir Simulation), D.I.C.; Imperial College of Science &
Technology, London; 1982
LANGUAGES
English (Fluent); Madarin (Fluent)
CAREER SUMMARY
Over 30 years of EP experience with broad exposure to technical, operational & business aspects
in the upstream Oil & Gas industry. Served as team lead / senior member of multi-disciplinary
teams. Specialisation in reservoir engineering, field development, well-reservoir management to
optimise oil and gas production and recovery, hydrocarbon resource maturation, assets screening
and evaluation for potential acquisition.
JOB OBJECTIVE
To serve primarily in area of reservoir engineering, well-reservoir production and recovery
management and enhancement, field development, hydrocarbon resource maturation as consultant,
supervisory/ coaching, quality assurance position. Preferred job location is Malaysia (Kuala
Lumpur, Miri Sarawak)
EXPERIENCE SUMMARY
Broad exposure to technical, operational and business aspects in the upstream oil & gas industry
mainly in petroleum and reservoir engineering areas working in multi-disciplinary team
environment in Shell E&P, Petronas Carigali, Dialog Oil & Gas and Sona Petroleum. In-depth
experience in oil and gas field development studies, field development plan, improve production
and recovery, maturation of contingent resources to reserves in both oil and gas fields.

2. TAN TECK CHOON (CONTINUED)
CV Tan Teck-Choon_ Sept2016.doc6 2
o Job responsibilities and experience include early years serving as Shell well-site PE,
operational reservoir engineer (RE), multi-disciplinary study team leader, RE Discipline
Expert, field review and FDP coordinator, New EP Business Analyst, new acreage
evaluation, conceptual FDP for exploration prospects, Shell Global HC Maturation Value
Creation(1998), Shell representative working on JV partner and National Oil Company
initiatives; member of Shell Global RE Leadership Team (2002-03), Shell Asia Pacific
reservoir engineering consultant, resource maturation and reporting coordinator
o Intergated well - reservoir management to optimise production and recovery.
o Oil and gas resource maturation.
o Field review and field development plan.
o Team Leader for 4 Sabah fields (1994-96) maturing FDPs with key input to the 96 North
Sabah PSC extension. Contribution to BDO JV 2003 PSC extension.
o Two postings from SHELL to PETRONAS CARIGALI.
 Supervising Experience and working knowledge in
1. Integrated oil and gas reservoir studies in new and mature fields
2. Field review and field development planning
3. Well reservoir surveillance, management
4. Improve production and recovery performance
5. Hydrocarbon maturation from contingent resource to reserves, evaluation and
reporting coordinator, liason with Petronas and PSC Partners.
6. Coaching, training, quality control and value assurance review for petroleum
assets.
EMPLOYMENT SUMMARY
SONA Petroleum Berhad- VP Reservoir Engineering (August 2013 – July 2016)
Hydrocarbon asssets evaluation and resource maturation for potential field acquisition
by Company; supervise overview of field development, production enhancement and
recovery optimization.
DIALOG ENERGY Reservoir Engineering Manager (2012 – 2013)
 RE manager and production enhancement lead on integrated subsurface
studies and development proposals carried out in collaboration with JV
partners Petronas Carigali and Halliburton Petroleum.
SHELL INTERNATIONAL ASIA PACIFIC (Jul 2007- April 2011)
 Regional Reservoir Engineering, Technical Assurance and Capability
Managment Consultant. Supervised studies and field development proposals
carried out by multi-disciplinary subsurface teams to mature and develop oil and

3. TAN TECK CHOON (CONTINUED)
CV Tan Teck-Choon_ Sept2016.doc6 3
gas resources. Technical assurance and quality control of work carried out and
capability training management.
SHELL INTERNATIONAL
 Member of Shell Global Reservoir engineering leadership Team 2003-04
 Nigerian Field Studies 1990-92
SARAWAK SHELL BERHAD
 Shell Global RE leadership Team member; Gobal Res Eng standard and process
2003-04
 Sabah EOR Feasibility Study 2003
 Res. Eng. Discipline Expert 2001-2002
 Exploration Prospects evaluation & Conceptual Dev.1999-2000
 E&P New Business Opportunities Analyst 1997-98
 Snr RE, Integrated Studies & FDP Team Lead of 4 Sabah Fields 1994-96
 Area Engineer for Sarawak Fields 1993
 Field Review, studies & FDPs 1984-1987
 Wellsite Petroleum Engineer 1982-83
PETRONAS CARIGALI (AS SHELL SECONDEE)
 Integrated Field Review and FDP 2004-06
 Special reservoir studies & Simulation – BN, BO, BE fields 1988-90
Professional Training and Development
1) Attended all relevant Shell Group Petroleum Engineering (included reservoir engineering,
reservoir simulation, production technology, geology, petrophysics, drilling engineering) and
Business skills related courses in the Netherland, UK and Shell Malaysia.
2) Attended various job related industry petroleum engineering and oil and gas industry technical
conferences.
DETAILS of CAREER & JOB HISTORY
Start End Job title
Aug 2013 July 16 Vice President Reservoir Engineering
Company: SONA Petroleum Berhad

4. TAN TECK CHOON (CONTINUED)
CV Tan Teck-Choon_ Sept2016.doc6 4
Field evaluation and hydrocarbon maturation in potential fields for acquisition. Quality
assurance of work carried out by subsurface consultants.
2012 July
2013
Reservoir Engineering Manager
Company: DIALOG ENERGY
Job highlights
 Integrated subsurface petroleum engineering study carried out with JV
partners Petronas Carigali and Halliburton Petroleum to mature contingent
resource to reserves.
 Production enhancement
 Quality assurance on development proposals
Start End Job title
Jul 2007 2011 Shell Asia Pacific Reservoir Engineering Consultant,
Technical Assurance and Capability Management
Company: Shell E&P Asia Pacific
Job highlights
Peer assist and technical assurance in hydrocarbon maturation, oil and gas production and
recovery enhancement. Coordinator with coaching and quality assurance responsibility on
SSB/SSPC Annual Review of Petroleum Resouces and Reporting. Coaching in identification
of reserves addition opportunities, integrated field studies, reservoir management. Organised
RE Skill pool meetings, training events/ courses. Streamlined the TD CM led training events
program with integration of various disciplines. Written guidelines and run courses on
subsurface safety aspects in Formation Pressure Prediction for Dev Wells & Well Entries in
Brown Fields (HSE critical item). Lecture on RE modules in EP courses. Developed a
conceptual model of pressure data management system (RPDMS) and feedback for Shell
Group.
2004 2007 Senior Reservoir Engineer (Shell Secondee to Petronas
Carigali Baram Delta JV)
OU/ company: Petronas Carigali
Job highlights
Coordinator and senior RE of an integrated field review to identify remaining opportunities in
the West Lutong field. Developed an integrated bypassed oil identification methodology which
has been successfully applied in the identification of bypassed oil development opportunities
in matured water-drive reservoirs (SPE 109077 “Identification of Bypassed Oil For
Development In Mature Water-Drive Reservoirs). Participated in IOR/EOR peer review and
furnished advice to IOR/EOR study. Coached less experience engineers.
Initiated and led to completion a pilot project on improving field performance analysis and
data management using the Oil Field Management Software.
Start End Job title

5. TAN TECK CHOON (CONTINUED)
CV Tan Teck-Choon_ Sept2016.doc6 5
2001 2003 Principal Reservoir Engineer and Member of Shell
Global Reservoir Engineering Discipline Leadership
Team representing SSB/SSPC.
OU/ company: Sarawak Shell Berhad
Job highlights
1. Member of Shell Group Technical and Operational Excellence Leadership Team (2002-3):
Participated in development of Group hydrocarbon maturation process. Contributed to Group
best practice in hydrocarbon resource maturation and minimum standards in Well & Reservoir
Surveillance and Reserves Maturation.
2. Improve Recovery Evaluation and Reserves Management : Lead RE in improve oil and gas
recovery opportunities evaluation (2002-03).
3. FDP and Field Development (2001) : Senior reservoir engineer in SF30 field FDP &
simulation study (2001). Key contributor towards enabling a fast track SF30 field development
from discovery to first oil production in less than 2 years.
4. JV and Exploration Prospects Evaluation(2001-2002): Evaluated the largest BDO JV field
(Baram Field) with identification of contingent oil resource opportunities of some 54 MMstb
(2002), potentially an important factor in securing extension to the BDO JV PSC extension in
2003.
Reservoir engineering input and formulation of notional FDP’s for many offshore Sabah and
Peninsula Malaysia prospects.
Start End Job title
1999 2000 Reservoir Engineering Discipline Expert
OU/ company: SSB / SSPC
Job highlights
Technical review, QA/QC of integrated oil and gas field studies, initiated reservoir engineers
skill pool meeting, skill sharing network, courses. Provided guidance and technical mentoring
to less experienced reservoir engineers; input to technology planning.
Lead reserves maturation effort, field production and recovery optimisation and input to
business planning.
Start End Job title
1997 1998 E&P New Business Opportunity Analyst and Snr RE in
New PSC Acreage Evaluation
OU/ company: Sarawak Shell Berhad
Job highlights
Evaluation of business opportunity related to PSC extension, gas sales, PSC and JOA
negotiations (BDO JV and Balingian Post PSC). Evaluation of prospects and potential new
acreages in Malaysia (e.g. PM301,PM304,SK2). Worked with area business teams and
provided technical and business advice to Management on the above matters.
Member of Shell International Hydrocarbon Resource Management Value Creation Team
(1998). Contributed to new Shell Group HC resource management and conceptualised
“Volume to Value” or V2V best practice which later evolved into RTL and PTL. Key
contributor to the radical shift from emphasing on hydrocarbon volume management to
hydrocarbon value management.

6. TAN TECK CHOON (CONTINUED)
CV Tan Teck-Choon_ Sept2016.doc6 6
Start End Job title
1994 1996 North Sabah Integrated Study Team Leader and Senior
Rservoir Engineer
OU/ company: Sabah Shell Petroleum Company
Job highlights
Maturing further development opportunities and input to securing the North Sabah 1996 PSC
extension. Led a multi disciplinary study team with responsibility of planning and conducting
integrated field studies in 4 Central and North Sabah fields maturing infill & workover revisits
and a major pressure maintenance scheme (Saint Joseph Field), adding 60 MMstb incremental
reserves and involved implementation CAPEX of US$60 mln; implementation of a workover
revisit and fast track gas re-injection project utilizing gas lift ullage in depletion fields to
achieve early gas conservation in Barton and Saint Joseph fields, improving reservoir
productivity prior to full scale pressure maintenance.
Start End Job title
1993 1993 Area Reservoir Engineer
OU/ company: Sarawak Shell Berhad
Job highlights
Quality control to reservoir engineering work carried out in the Sarawak and Sabah Area
Teams; coordination of Reservoir Classification Manual. Guided and participated in two major
simulation studies, KN Main field and SJPM which formed the basis for two FDP’s.
Supervised / coached less experienced eservoir engineers.
Start End Job title
1990 1992 Reservoir Engineer, Integrated Field Studies, Shell
International
OU/ company: SIEP, The Hague, Netherland
Job highlights:
Participated in integrated field studies of Nigerian fields- evaluation of pressure maintenance
versus natural depletion, field development recommendations, well and reservoir performance
analysis and FDP. Provided guidance to seconded Nigerian engineers in the study team.
Start End Job title
1988 1990 Reservoir Engineer (Shell Secondee to Petronas Carigali
Baram Delta JV)
OU/ company: Petronas Carigali Baram Delta Joint Venture Operation (As Shell Secondee)

7. TAN TECK CHOON (CONTINUED)
CV Tan Teck-Choon_ Sept2016.doc6 7
Job highlights
Reservoir evaluation and simulation study on a major depletion drive reservoir leading to the
the implementation of a 30 Mb/d water injection project in BN RV2.
Horizontal well development study for a major oil rim resulting in recommendation to replace
some 15 conventional infill wells by 9 horizontal wells reservoir and the implementation of the
first horizontal well in the area with substantial addition of reserves.
Contributed to reservoir surveillance standard; wrote guidelines on BHP survey planning and
executions : “Practical aspects of BHP Survey” and “ BHP Planning and Recommendations”
with best practice recommendations to optimise BHP planning and survey results, reducing
production down time and wireline operation time and were reference documents in the BDO
JV for many years.
Coordinator of the BDO-JV 1.1.1990 ARPR . Coach & mentor for junior RE’s.
Start End Job title
1984 1987 Reservoir Engineer (SSB Balingian and Baram Delta
fields)
OU/ company: Sarawak Shell Berhad
Job highlights
Reservoir engineer of two Sarawak oil fields (Temana, Bokor) responsible for reserves
evaluation, reservoir performance analysis, enhancement and identification of further
development opportunities. Support and input to exploration and appraisal wells including well
testing, reserves evaluation and conceptual development plan.
Carried out the Bokor water injection evaluation and the Temana I65 reservvoir gas injection
simulation study.
Coordinated and contributed to the Temana Field Review, Temana Further Field Development
Plan, Temana Jacket –T FDP (1984-1985) with successful identification and proposal of
twenty infill development wells carrying some 70 MMstb reserves in Bokor Further
FDP(1987).
Start End Job title
1982 1983 Wellsite Petroleum Engineer
OU/ company: Sarawak Shell Berhad
Job highlights
Supervised wellsite activities in exploration, appraisal, and development wells drilling, mud
system, logging, coring, casing and cementing, production testing and well completion.
Other Professional Activities

8. TAN TECK CHOON (CONTINUED)
CV Tan Teck-Choon_ Sept2016.doc6 8
- Member of Petronas CORAL IOR/EOR Strategic Team to steer IOR/EOR effort in
Malaysia (2001-2002).
- Oil Industry Panel member of University Technology Malaysia for final year Petroleum
Engineering student projects (1988 to 1994).
- Co-Chairman in the SPE 7th Off Shore South East Asia Conference . Served in the
programme organising committee for SPE Offshore South East Asia Conference 1987 and
1988.
- Presentation in SPE Local Chapter meetings and participated in SPE technical paper
reviews at various times.
Selective Publication:
- “Identification of Bypassed Oil For Development In Mature Water-Drive Reservoirs”
SPE 109077; 2007 APOGCE, Jakarta, 30 October – 1 November 2007.
- Enhanced Oil Recovery Feasibility Study and aaproach to Further Recovery Improvement
in Sabah Mature Fields; November 2003; Internal Shell publication.
- “Quality Improvement on Gas Material Balance Application’ in Gas Condensate Reservoir
Conference in Calgary (1994), “Temana I65 Gas Injection Simulation study (1984)”.
- “Control of Numerical Dispersion in Compositional Reservoir Simulation”, European
Symposium on Enhanced Oil Recovery, Bournemouth, UK; 1981
- “Techniques for Control of Numerical Dispersion in Black-Oil and Compositional
Reservoir Simulation”, Imperial College of Science & Technology, University of London
(1982)
- Won the best SPE University Research Project Paper related to my PH D research on
Compositional Reservoir Simulation.
Written in-house reservioir enginering guidelines / articles / courses included :
- Guideline on Subsurface Safety in Formation Pressure Prediction for Development Wells
and Well Entries in Brown Fields; Decline Curve Analysis for Developed Reserves
Evaluation; Quality Improvement on Gas Material Balance Application; Evaluation of
Gas Recovery Factors in Pobablilistic Reserves Estimation; Methods, Definitions and
Terminology associated with Gas Field HIIP and Recovery Calculations; Reservoir
Potential and Reservoir Depletion Rates.
Membership:
Member of Society of Petroleum Engineer
Associate of Royal School of Mines (ARSM), Imperial College of Science, Technology and
Medicine; London