Senior Operations / Wellsite Geologist
Listed on 2026-08-20
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Engineering
Geology / Geoscience, Oil & Gas, Environmental Engineer
Senior Operations / Wellsite Geologist (-1)
Location Spring, United States Sector Energy & Renewables Salary 150.00 US to 165.00 US per hour
12-Month Contract
On-site in Spring, TX
Exxon Mobil has been a leader in the energy sector for over 140 years. As Exxon Mobil adapts to meet the increasing global demand for oil, natural gas, and refined products, it is committed to playing a pivotal role in energy transition. Exxon Mobil’s mission, to fuel the world safely and responsibly, has never been more important.
Together, Raise and Exxon Mobil are building teams that are rising to meet the world’s growing energy needs through the Exxon Mobil Contingent Community—where skilled workers and unique contract opportunities meet.
Raise is taking applications for current openings like this one while building a diverse group of talent for future openings. When you apply for this role, you’ll also be considered for upcoming positions that align with your skills and qualifications.
Note:
Successful applicants will be employees of Raise Limited, working at Exxon Mobil facilities with both Exxon Mobil employees and other contractors.
Overview:
This Operations Geologist role is responsible for the planning and execution of Exxon Mobil Exploration, Appraisal, and Development drill-wells. To accomplish this, the Operations Geologist must be competent in well planning and surveillance, integrated pressure prediction, and site investigation; understanding key deliverables such as a tophole prognosis, pore-pressure prediction, and well design. Key to the successful drilling of a well is close communication with the Business Unit (Geoscience, Reservoir Engineers), Petrophysicist, and Wells Engineers throughout the design and execution phases of the project, hence the Operations Geologist must be a good communicator, integrator and be highly organized to effectively change tact as conditions dictate.
Evaluating multiple scenarios and ensuring close communication between all parties involved whilst managing expectations to ensure a safe, timely and economic completion of the drilling program meeting all geologic and operational objectives.
Work Schedule and Scope: The Operations Geologist will typically work a 40 hour/week schedule. The primary location will be at the Exxon Mobil Houston Campus. Infrequent trips to a rig location (onshore or offshore) may be required. Working outside normal business hours to include weekends and public holidays may be required.
Responsibilities:
- Demonstrate safety leadership and uphold Exxon Mobil’s safety culture ensuring No Spills and the Nobody Gets Hurt, both in the office and if required, on the rig site.
- Strong understanding of integrated pore pressure prediction and pressure surveillance
- Strong understanding of site investigation including shallow drilling hazards evaluation (tophole prognosis) and riserless drilling geohazards
- Well planning and surveillance (may include but not limited to):
- Coordinate with the Wells organization and the project Petrophysicist in the contract technical evaluation for MWD/LWD, Wireline, and Mud Logging services (Procurement & Tendering)
- Evaluate technical services and compile cost estimates for Wellsite Geology, Wellsite Biostratigraphy, Core Handling/Preservation and Analysis, and wellsite data management services as needed
- Compile and document Well Objectives, Formation Evaluation plan, operations & communication protocols, and data/sample distribution into a Geological Program
- Compile well and evaluation plan information in support of Company regulatory groups (Regulatory)
- Participate/lead regular coordination and planning meetings with the Wells and Geoscience Teams
- Facilitate and communicate with Wells Engineers and project Geologists to produce a well plan and casing design which will enable complete evaluation of geologic objectives whilst maintaining an economic and cost-effective solution
- Design and establishment of casing seat and TD selection protocols, coring and formation evaluation programs.
- Supervision, logistical and technical support of Wellsite Geologic personnel (Wellsite Geologists, Service Company personnel) to gather complete, high quality…
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