Senior Reservoir Engineer

MalaysiaPosted Jun 18, 2026

Job description

Reservoir Engineer to support operations for JDA Block A-18 with main key role in managing reservoir performance, optimizing production, and supporting integrated development planning to maximize asset value. Manage and execute reservoir and production engineering activities to ensure optimal field performance. Analyze and diagnose reservoir and well performance, identifying opportunities to enhance production and improve recovery.

Develop, maintain, and update dynamic reservoir simulation models (preferred software: TNav), including: History matching (field performance and network – system pressure) Production forecasting for both brownfield and greenfield developments Field Development Plan (FDP) maturation and sensitivity studies Integrated and standalone network modeling (stand alone and coupled models) Perform reserves estimation, classification, and reporting in compliance with SPE-PRMS standards.

Support integrated development planning by coordinating and involving with: Well concept design Data acquisition programs Appraisal and risk assessment Quality control of coupled models for Work Program & Budget (WP&B) Honor Degree or BSc/B.Eng./MSc/MEng in Reservoir Engineering or Geoscience 12 - 25 years or more work experience in relevant Petroleum and Reservoir Engineering and / or Geoscience disciplines.

Strong technical expertise in reservoir engineering and simulation. Extensive experience with reservoir modeling and production forecasting Well verse in reserves assessment and meet industry standards, particularly SPE-PRMS for both SHs and MTJA reserves reporting. Ability to work collaboratively across multidisciplinary teams Strong analytical, problem-solving, and communication skills.

Description copied from PTTEP JDX & PC JDA Joint Operations's careers page. Read the full posting before you apply.

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