Wellsite Geologist III

Job Summary

Offshore Rotation – 4 weeks on/4 weeks off. This Scope of Work defines the requirements for the provision of Senior Well Site Geologist (WSG) services to support offshore drilling operations and post-well reporting. The selected vendor will provide experienced personnel to supervise geological operations, ensure data quality, and support communication between the wellsite and office teams.

Job Details

TASKS AND RESPONSIBILITIES
To ensure high-quality geological oversight and data integrity during offshore drilling operations, and to support post-well reporting and continuous improvement through lessons learned and training.

1 Scope of Services
1.1 Wellsite Responsibilities
A Senior Well Site Geologist shall:
• Supervise and quality control all geological operations at the wellsite.
• Oversee and validate sample descriptions of cuttings and cavings.
• Act as the primary liaison between the wellsite and office-based teams, ensuring timely and accurate communication.
• Supervise and quality control all data acquisition activities, including mud logging and LWD/MWD, wireline, and coring services.
• Monitor ROV feeds during riserless drilling for shallow flow indicators or adverse conditions.
• Ensure all geological and data acquisition contractors perform to expected standards.
• Conduct wellsite log correlation and assist in determining casing points and total depth (TD).
• Evaluate and interpret geological data, including cuttings and offset well data.
• Communicate geological hazards and upcoming section/well TD to the wellsite team.
• Ensure daily upload of all geological data, reports, and logs.
• Oversee onboarding and technical competency assessments of new WSG and Mud Logging personnel.
• Ensure training and development plans for WSGs meet regulatory and operator requirements.
• Intermediate skills in qualitative geomechanics (inclusive of LOT/FIT analysis), real time pore pressure monitoring and pressure surveillance would be beneficial but not required
• Prior experience with MPD and ERD be beneficial but not required
• Excellent communication, collaboration and interpersonal skills across offshore and shore base teams
• Proficiency in Petrel software

1.2 Pre-Drill and Office-Based Support
• Coordinate and prepare pre-drill data repositories and supporting documentation.
• Develop supplemental materials to support offshore communication of subsurface and operational plans.
• Inspect rig site readiness and collaborate with drilling vendors to address site-specific gaps.
• Review and improve third-party operating procedures related to geological operations and data handling.
• Establish and manage a duty roster and rotational logistics plan for WSGs.

2. Deliverables
• Daily geological reports and data distribution.
• Open hole activity geohazard roadmaps
• Cuttings and cavings reports to inform on wellbore conditions.
• Final well reports for each hole section and the entire well.
• Post-well composite log and well data book.
• Documentation of lessons learned, including third-party contributions.
• ExxonMobil will provide access to relevant data, systems, and communication channels necessary for the execution of duties.

3. Schedule and Availability
• Personnel must be available to work rotational offshore and remote operations schedules (typically 3–4 weeks per hitch).
• Must be capable of working day and night shifts on a remote offshore facility and remote operations room.
• Vendor must ensure availability of qualified personnel to meet operational timelines.

4. Vendor Responsibilities
• Coordinate scheduling, logistics, and interface with the ExxonMobil Operations team.
• Provide proof of experience, education, safety training, and drug testing for all geologists prior to deployment.
• Maintain adequate bench strength and succession planning to ensure uninterrupted coverage over the duration of the contract.
• Ensure all personnel meet offshore certification and fitness requirements prior to mobilization.

Requirements

Personnel Requirements
• Minimum of 10yrs experience in wellsite and operations geology, with a strong background in deepwater Nigeria would be beneficial
• Post-secondary degree in geology or a related field.
• Certification or fitness to obtain offshore safety and survival certification.
• ExxonMobil reserves the right to refuse individuals based on insufficient experience, education, safety training, or failure to meet regulatory or operational standards.

About Company

Prime Atlantic Limited

Prime Atlantic Limited Company is the holding company of the Prime Atlantic Group.  It was founded in June 9, 2003. With over 19 years of experience, we have partnered with global leading organizations to ensure that our clients have access to the best-in-class services at the best cost locally. Our areas of specialization include Global maintenance, Process Automation, Metering and instrumentation, specialty fluids and chemicals, safety, and Emergency Response, and Data and Technology-Based compliance management. The Prime Atlantic companies include Prime Atlantic Cegelec (PACE), Prime Atlantic Global Instruments (PAGI), Prime Atlantic Safety Services (PASS), West Atlantic Energy Limited (WAEL), Pal Safehouse, Synerpet Limited, and Cinalt Resources.We are a proudly Nigerian group of companies that is passionate about building capacity, fostering global partnerships, and delivering world-class services locally.