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Thailand"],"countries":["TH"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":13500,"max_usd":30000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":6708},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-09T15:00:00Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-13T08:53:22Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"Job Purpose\nEngineer, Reservoir Engineering is to perform and support reservoirengineering input to field development plan, reservoir management, and well operations activities to optimize production of operating fields as well as produce credible and value-adding recommendations for PTTEP ED.\nKey Accountabilities\nProvide reservoir engineering input to field development plan in coordination with Asset Planning and other related parties.\nManage, update and maintain data related to current reserves, and reservoir of production fields e.g. reserves estimation, monthly/ quarterly/ annual reserves data, and resources maturation.\nPlan and monitor the reservoir activities, production (operations) data related to oil/ gas reservoir management.\nPropose, coordinate and monitor economically well operations activities and data acquisition program to ensure production optimization and reservoir surveillance e.g. well intervention, work over.\nPlan, manage and ensure reservoir engineering activities to support and optimize production of operating fields e.g. well testing, well performance evaluation, development well proposals, horizontal well / IOR / EOR planning and implementation.\nUnderstand commingled production optimization concept in monobore well completion design.\nProfessional Knowledge & Experiences\nBachelor's or higher in Petroleum/Reservoir Engineering 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