Senior Petrophysicist – Dallas, TX

DeGolyer and MacNaughton (D&M) is seeking a Senior Petrophysicist to lead advanced subsurface characterization and petrophysical evaluations in support of global oil and gas and energy transition projects. This senior-level role is responsible for providing technical assurance across multidisciplinary teams, driving integration between geology, geophysics, and reservoir engineering, and mentoring junior professionals to enhance technical excellence within D&M.

Key Responsibilities

• Lead and execute complex petrophysical evaluations and multi-well studies, ensuring technical accuracy and consistency.
• Develop and implement advanced formation evaluation workflows using modern log interpretation, core analysis, and SCAL data.
• Provide expert guidance on reservoir characterization, reserves estimation, completion design, and development strategy.

Perform quality control on logging programs, acquisition plans, and petrophysical datasets.

• Integrate petrophysical interpretations with geological models and reservoir engineering analyses to support field development and asset valuation.
• Present results and recommendations to clients, management, and external stakeholders in a clear, technically sound manner.
• Serve as a mentor and technical resource for junior petrophysicists, fostering continuous learning and collaboration across the team.

Technical Capabilities

• Advanced expertise in SLB Techlog and other industry-standard petrophysical software.
• Strong understanding of log analysis, porosity–permeability relationships, mineralogical modeling, and unconventional reservoir evaluation.
• Experience integrating core, log, and SCAL data for robust formation evaluation.
• Proficiency in uncertainty quantification, probabilistic analysis, and digital data interpretation techniques.
• Excellent communication and presentation skills, with the ability to translate complex technical results into actionable business insights.

Qualifications

• Bachelor’s or Master’s degree in Petrophysics, Geoscience, or Petroleum Engineering.
• 10+ years of progressive experience in petrophysical analysis, including work on complex and unconventional reservoirs.
• Proven record of technical leadership and cross-discipline collaboration.
• U.S. work authorization required.
• Role based in Dallas, Texas (hybrid work model).

About DeGolyer and MacNaughton
DeGolyer and MacNaughton is a global leader in subsurface evaluation and petroleum consulting. Our team delivers innovative technical and economic assessments that drive sound decision-making for clients across the energy sector. We offer an exceptional compensation and benefits package, along with opportunities for professional growth and global project exposure.

Next Steps
Qualified candidates are encouraged to submit a resume and cover letter. Please include “Senior Petrophysicist” in the email subject line. You can apply through this job board or by going to https://www.demac.com/job-opportunities/.