Sak S

Over 2 decades in production optimization, risk-based field development strategies including values/technical assurance (more than 24 fields/1,900 wells, high H2S/CO2 HPHT onshore/offshore, new/mature, clastic/carbonate fractures, gas/water/polymer flood, GOGD). Increasing revenue in mature fields through low-cost opportunities, production optimization, well completion, clean-up/stimulation, artificial lift design/review, well integrity restoration, well performance enhancement. Master in well analysis modeling; inflow/outflow, lift performance, non-conformance injection, Inflow control device, skin evaluation.

Pivotal in well-reservoir-surface facilities modeling (IPSM) and coaching.

Petroleum Production Engineering Specialist / Field Development - Petroleum Development Oman (PDO) - Muscat

(2015-09 - 2023-10)

Develop over 14 fields/1,400 wells, development concept, risk-based strategies, optimized/benchmarked project costs, competitive well life cycle costs; GHG reduction; mature/waterflood/carbonate, clastic fields, EOR project, GOGD. Technical assurance for ITR, CSW, VAR, DG, DG2, DG3, FID in assess and select phase for Hydrocarbon maturation process.

• Analyze well performance (Inflow/Outflow), artificial lift performance and selection, well completion performance review and design, well material review and selection
• Well cleanup and stimulation review and recommendation, water or gas breakthrough, Water and Gas Shut-Off requirement and planning
• Inflow control technique selection and recommendations in producer and injector wells, flow assurance review and recommendation, and provide completion strategy for field development plan
• Develop Well - Reservoir - Facilities Management (WRFM) plan and strategies, Data Acquisition strategy and plan to mitigate subsurface risks for field development
• Collaborating, informing progress and issues with stakeholders, managing expectations on requirements and deliverables

Senior Production Technology / Asset Production Operations & Planning - Petroleum Development Oman (PDO) - Muscat

(2012-07 - 2015-08)

Accelerating opportunities maturation through WRFM; well workover, intervention, stimulation, water/gas shut-off, well integrity restoration. Pivotal in well surveillance more than 600 active wells; ESP, GL, PCP, BP, NF, Injector in mature waterflood fields.

• Engage across disciplines/departments to initiate and identify opportunities to increase production through WRFM activities; add perf, well workover, CTU, acid stimulation, artificial lift and well completion change, water and gas shut-off, well integrity restoration
• Initiated well intervention (survey, PLT, RST, workover, stimulation, water shutoff, add perf) for well performance restoration, production optimization and well troubleshooting, mature water-flooded carbonate fields
• Build and update well models for well optimization, initiated job to de-bottlenecking, and trained fellow engineers
• Production tech engineering input for field development planning
• Well Integrity monitoring and restoration

Consulting Petroleum Production Engineering - Consulting - Offshore HPHT Gas and oil fields

(2009-12 - 2012-06)

Develop offshore, HPHT fields, subsea well head, tight reservoirs. Solve the problem of early water production and well completion design/strategy for deep offshore HPHT field. Build well and network models for field development and production optimization.

• Platform/start-up and ramp-down (procedure and operation)
• ESP well modeling, sizing, completion, surveillance and optimization, including start-up and ramp-down procedures
• Well stimulation, clean-up planning
• Well Test Design, Supervision and Pressure Transient Analysis
• Communicate/supervise offshore production on real time, under dynamic situations to perform the job safely
• Storm preparation and evacuation planning/execution; processing platforms, tankers, MOPU emergency responses
• Provide training services

Integrated Team Lead, RE, Waterflood Field Development - PTT E&P

(2007-01 - 2009-11)

Lead integrated teams of geologists, petrophysics, RE, drilling engineer, production engineer, concept engineer to develop 4 mature waterflood fields.

• Propose FDP and seek for an approval from the management
• Propose the Annual Development Plan & Budget and seek for an approval from the management
• Build, history-match, run-sensitivities, QC reservoir simulation models for high, mid, low cases
• Examine different economic scenario's; drilling sequences, facilities completion schedule, pipeline hook-up, shut down and maintenance schedule, seasonal demand, disposal capability
• Co-ordinate with government departments regarding exploration, appraisal, well test, well abandonment licenses
• Liaison with joint-ventures and stakeholders regarding production short-fall, drilling/workover campaign, major maintenance/shut down
• Co-ordinate among stakeholders regarding external affair, public relations

Production Optimization / Well Surveillance Engineer - Sirikit Oil Field

(2003-04 - 2006-12)

Waterflood well/pattern monitoring/optimization (100 gaslift wells, 30 ESP's and 30 injectors). Reserve estimation and production forecasting for infill wells.

• Propose infill drilling campaigns with scenario and fallback plan to management
• Reservoir and well modelling for field development plan
• Well test design/interpretation and integrate the analysis into the study
• Well completion design and workover operation follow up
• Well open up/start-up
• Optimize crude/gas/water production
• Well performance monitoring, analysis and trouble shooting with well intervention and workover
• Optimize gaslift system and wells (> 350 gas-lifted wells)
• Sizing, commissioning, optimizing, operating and troubleshooting ESP, PCP and jet pumps
• Manage and Optimize water injection system and injectors
• Raise the backflow, clean-up, stimulation program to restore the well performance/capacity
• Collaborate internal teams, logistics, contractors for Integrated plan (surface and sub-surface activities combined)
• Organize the integrated monthly meeting; production operation, maintenance, well service, drilling, planning teams

Well Workover / Intervention Supervisor Trainee - Shell E&P - Thai Shell E&P

(2001-04 - 2003-12)

Production Operation Supervisor Trainee - Shell E&P

(2000-01 - 2001-03)

Project Co-ordination / Commissioning Engineer - EPC

(1996-04 - 1999-12)

PhD - Energy Technology (2012-01)

MSc - Petroleum Engineering - Imperial College London (2007-01)

MSc - Energy - School of Renewable Energy (SERT) (2006-01)

B.Eng. - Mechanical Engineering - Mahidol University (1996-01)