Job title: Senior Well Site Geologist

Sector: Oil & Gas

Starting date: October 2026

Duration: 12 months

Location : mainly on rig offshore in Namibia, but not limited, with potential stays in Windhoek, Luderitz or Walvis Bay

Status: rotational 4 x 4 weeks, with option to extend / adjust if requested by COMPANY. To work all consecutive days (week days, weekends, public holidays).

Language: English: Advanced-Proficient, mandatory.

CORE DUTIES AND RESPONSIBILITIES:

· Real time geological surveillance and interpretation, integrated to drilling:

o Monitor and interpret cuttings, mud gas, LWD/MWD, and wireline data in real time

o Identify formation tops, lithology changes, and hydrocarbon shows

o Correlate actual geology with pre-drill models and seismic prognosis

o Detect abnormal pressures, faults, and drilling hazards (e.g. overpressure, instability, lost circulation, gas kicks)

o Guide trajectory adjustments to stay within target reservoir zones

o Call phase TD and well TD when geologically stablished. Recommend for casing setting depths.

o Call coring point.

o Optimise rate of penetration vs geology and real time acquisition sampling rate compliance for logs.

· Anticipation and supervision (equipment, personnel, activity, NPT) of services companies and operations under geoscience perimeter.

o Mud logging

o Wire line and LWD

o Coring

o Perform Audits, anticipate needs, follow up.

o Execute the corresponding acquisitions programs related to each.

o Ensure the data quality, completeness and integration.

o Samples handling and shipping (gas, cutting, mud, cores, rotary side wall cores, fluids samples from Wire line and DST, etc).

· HSE

o Participate in risk assessments, safety meetings, stop card program and incident reporting.

o Ensure compliance with HSE standards and offshore regulations, for himself and the companies under his/her perimeter.

· Communication and reporting

o Act as primary geological authority on the rig.

o Provide properly and on time all the data files and reports (daily geological reports, end of well reports, Retour experience, presentations, real time and memory data, etc).

o Give instructions and supervise the service companies under his/her perimeter.

o Coordinate between drilling team offshore, Subsurface team onshore and service companies under his/her perimeter and related.

o Lead and mentor junior wellsite geologist and trainees.

o Participate in pre-drill planning and post-well reviews.

o Contribute to the continuous improvement of the best practices and Standard Operation Procedures.

o Attend and intervene in all required meetings.

o Follow the instruction given by his/her supervisor (Operation Geologist, SUB Operation Manager) and comply with the programs (Drilling, Well location report, Coring program, Loggin program, SOP, etc)

ACTIVITIES

As the HSE supervisor, the services holder will demonstrate and execute a number of activities as described below.

Main Duties:

· To ensure full sites compliance to the Project HSE Management System.

· To ensure that site personnel have the required HSE competencies and that HSE trainings are performed as planned.

· To develop, as required, additional HSE procedures/instructions at site level.

· To ensure that the Sub-Contractor is enforcing his contractual commitments, is implementing properly his Contract HSE Plan and Objectives, is safely, properly and timely performing his activities.

· To inform the Subsea HSE Lead of the need of changes the Construction sites Plans or Procedures.

· To assist the Subsea lead in the resolution of specific HSE areas of concern; HSE reviews and risks assessments.

· To monitor and performed the regular reporting issued.

· To ensure the follow-up of HSE indicators (KPI's) and tracking of anomalies, incidents, accidents performed by the Contractors.

· To participate to HSE Committees and other Package HSE events.

· To regularly participate to others package HSE worksite audits / visits / tours.

· To ensure confidentiality of all the documentation issued under his area of responsibility.

Attitude/Accountabilities:

· To promote safety awareness at all levels through exemplary and pro-active attitude with Project team, Contractors and Sub-Contractors.

· To ensure promotion, implementation by site construction personnels of the Company Ethics, “Code of Conduct”, Project Safety Culture and H3SE policy, rules and regulations.

· To adopt and to demonstrate an exemplary behaviour regarding Company Ethics, “Code of Conduct”, Project Company/Contractor Safety Culture and H3SE policy, rules and regulations.

· Ready to adopt a flexible work approach.

· Initiative-taking and able to work without supervision.

· Good team player.

Communication:

· Have good communication and interpersonal relation skills.

· Advanced cross-cultural influencing skills for work with personnel of varied nationalities and backgrounds.

· Have the ability to transfer his know-how and “savoir-faire” to Worksite HSE team.

REQUIRED SKILLS & COMPETENCIES:

Specific industry software:

· GRAVITAS, Gemstone, SQMT

Technical skills:

· Strong geology fundamentals: Sedimentology, stratigraphy, structural geology

· Formation evaluation & petrophysics understanding

· Real-time data quality control, interpretation and integration (cuttings, gas, logs, pressures, gains-losses, depth control, lag time, efficiency of equipment’s)

· Deep knowledge of:

o Drilling operations

o Mud logging

o Logging technologies (LWD/WL)

o Coring

o Not deep but very involved: Fluid systems (mud, cement, brine)

Operational and offshore specific skills:

· Ability to work under pressure in 24/7 drilling environments

· Strong understanding of:

o Well delivery process

o Offshore logistics & constraints

· High adaptability to remote, harsh offshore conditions

Analytical, decision-making and soft skills

· Rapid interpretation and decision-making in real time

· Strong risk assessment capability

· Ability to integrate multiple data sets quickly

· Soft skills: attention to detail, problem solving mindset, strong organization and reporting discipline

· Fully comply to the Code of conduct and HSE policies, rules and procedures of the company.

Communication and leadership:

· Clear communication with offshore and onshore related people. Specially with offshore drilling & fluids company members and service companies under his/her perimeter, and specifically with his/her n+1 Operation Geologist in town.

EDUCATIONAL QUALIFICATIONS / CERTIFIED FOR:

· GEOSCIENCE diploma: BTS (BAC+2) geology orientation or higher (with relevant experience in Operations Geology)

· Subsurface Geology for Operations Geologist and Well Site Geologist certificate from I.F.P (INSTITUT FRANCAIS DU PETROL)

· BOSIET, including EBS (emergency breathing system)

· Offshore medical certificate

EXPERIENCE:

· Minimum 10 YEARS in the position of senior well site geologist

· IN WELL TYPES as: EXPLORATION AND APPRAISAL, DEEP OFFSHORE, VERTICAL AND DEVIATED, SIDETRACKS, HIGH TEMPERATURE-PRESSURE WELLS.

· IN OPERATIONS as: logging while drilling, coring, extensive wire line acquisition (Open hole: conventional logs, imagery, magnetic resonance, rotary side wall cores, pressure points-sampling-IPTT, vertical seismic profile. Cased hole: cement evaluation), DST, side track, plug & abandon.