{"id":2430455,"url":"https://alion.io/job/pttep-senior-geophysicist","title":"Senior Geophysicist","company":{"id":1889562,"name":"PTTEP","domain":"pttep.com","url":"https://alion.io/company/pttep","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":null},"role":"Science & Research","role_family":"Science & Research","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bangkok, Thailand"],"countries":["TH"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":14500,"max_usd":32000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":1203},"experience_years_min":15,"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":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Job Purpose\nSenior Geophysicist calibrates and integrates seismic data with other technical data to conduct detailed seismic interpretation and mapping of reservoirs in assigned areas, contributing to the identification of optimal well locations. He/She collaborates with the Development team in preparing well proposals, designing multi-target wells, providing drilling support, and conducting post-well evaluations for PTTEP ED.\nKey Accountabilities\nEnsure comprehensive analysis of all technical data, including detailed seismic interpretation and mapping, to iden-tify optimal delineation, development well, and platform locations.\nIntegrate geological studies to enhance understanding of the geological framework in the development area, sup-porting accurate resource assessment and the identification of the best well and platform locations.\nProvide geological and subsurface uncertainty inputs for the field development plan in collaboration with reservoir engineers and other relevant stakeholders.\nPrepare and oversee delineation and development drilling activities, including the development of work programs, well proposals, monitoring of drilling operations, and post-well evaluations, ensuring alignment with studies and pro-ject objectives.\nEvaluate horizontal well opportunity by detailed reservoir analysis e.g. tank correlation, reservoir pressure & con-nectivity, sand mapping, reservoir characterization, HCIP estimation & economic analysis, Horizontal well planning & targeting, pre-job modelling.\nExecute horizontal well operations including preparation phase, drilling operations monitoring, and post-drilled evaluation / HCIP & reserves booking.\nQA/QC geophysical technical works and perform as leadership role for oil development team.\nProfessional Knowledge & Experiences\nBachelor’s degree or higher in Geosciences or a related field.\n15+ years of experience in the E&P business, specializing in subsurface tools and technologies.\nStrong understanding of the Gulf of Thailand (GOT) petroleum system, with familiarity in the well factory concept and processes.\nExtensive experience in oil and gas reservoir development, including well planning and targeting, monitoring, and execution of deviated and horizontal wells within the GOT.\nHighly require experience in reservoir management and EOR\nExperience working in Block G1/61 (Erawan, Platong, Satun, or Funan) is an advantage.\nProficient in subsurface software (e.g., Petrel, DSG) and related systems.\nKnowledge of seismic acquisition and processing is a plus.\nExperience in special geophysical studies, such as AVO, is a plus.\nFamiliarity with procurement, contract preparation, and evaluation is an advantage.\nExcellent communication and interpersonal skills.\nGood project management skill is required.\nStrong problem-solving abilities and a proactive approach to challenges.\nAbility to mentor and lead teams of geophysicists and other technical professionals.\nAbility to work in a dynamic, fast-paced offshore environment with a focus on delivering results.\nStrong written and verbal communication skills in 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