Our Experts

Geoscience Management
Jeff Secombe

Jim Seccombe

Vice President - Geoscience Consulting

BS Chemical Engineering, University of Colorado

Jim Seccombe is an accomplished petrophysicist and reservoir engineer with extensive leadership experience, a technically diverse background, and a history of driving business impact. He has a track record of being at the forefront of new technology such as Low Salinity EOR water-flooding. Jim has a demonstrated ability to collaborate cross-functionally to improve wellbore data and document management, finding ways for delivering efficiencies to petroleum subsurface engineers and geoscientists.

Areas Of Expertise
  • Petrophysics
  • Reservoir Engineering
  •  Well Abandonment
  • Wellbore Data Management
  • Low Salinity Waterflooding
Tim Bourgeois

Tim Bourgeois

Vice President - Geoscience Consulting

BS, Texas A&M University

Tim Bourgeois is driven to lead staff to deliver to stakeholder needs (stated and unstated) via the pragmatic characterization of the subsurface. His expertise includes hydrocarbon maturation ( Team Leader, Assurance, Petrophysicist) of a multitude of experiences from exploration through mature development activities. He has a deep technical understanding in the creation and use of pore pressure, fracture gradient, wellbore stability, and fault re-activation estimates, with robust knowledge of what is needed for translation to an optimal well design and to draw from a multitude of well construction personal experiences to actively improve critical decisions during operations.

Tim is currently leading FerVID's entry into the geothermal energy arena, where he has quickly established FerVID as a known and trusted partner.

Areas Of Expertise
  • Petrophysics
  • Pore Pressure Prediction
  • Geothermal
Biostratigraphy
Bobbi Brace

Bobbi Brace

Biostratigraphy

PhD Geoscience - University of Nebraska-Lincoln

Bobbi Brace began her career as a biostratigrapher with BHP in Houston. While with BHP she worked on a variety of biostratigraphic projects in the US GOM, Mexico GOM, and Trinidad & Tobago.

Her primary responsibilities included providing support during well planning and real-time operations, as well as generating regional-scale and reservoir-scale interpretations for subsurface stakeholders. Bobbi has also worked as shipboard nannofossil paleontologist for the Integrated Ocean Drilling Program in the Japan Sea and has co-authored articles on calcareous nannofossil biostratigraphy.

Her research included nannofossil biostratigraphy and paleontology from the Pleistocene of the Japan Sea and the Cretaceous of North America. 

Areas Of Expertise
  • Structural Geology
  • Seal Capacity
Petrophysics
Caren Harris

Caren Harris

Petrophysicist

Caren Harris is a petrophysicist with expertise in exploration, appraisal, development, and new ventures with multiple International E&P Companies and a National Oil Company. She has experience with clastics, carbonates, conventional, and tight reservoirs. Caren can deliver timely technical results with clear financial impact as a member of multidisciplinary teams. She enjoys increasing understanding of the petrophysics discipline by teaching in-house classes and mentoring junior staff. She has been a member of the Technical Committee for the SPWLA annual convention for the past two years, holds a BA in Geology from Rice University, and a Ph.D. in Geological and Environmental Sciences from Stanford University.

Structural Geology
Chris Saxon

Chris Saxon

Structural Geologist

PhD Structural Geology, University of Oklahoma.

Chris is a structural geologist and seal expert with extensive experience in both exploration and development in domestic and international postings.

Dr. Saxon worked 20 years with Chevron, eventually becoming advisor geologist for Sumatra operations.

He was most recently a structure and seal expert for BHP's Subsurface Assurance Team where, in addition to his assurance duties, he developed a comprehensive hydrocarbon column capacity calculator.

Areas Of Expertise
  • Structural Geology
  • Seal Capacity
  • Exploration
  • Integrated Technical Assurance
Ken Lemley

Ken Lemley

Geologist

Ken has 36 years of experience with Total and BP Extensive world-wide experience including Onshore USA, Deepwater GOM, Alaska, Russia, India, and Azerbaijan.

He is an accomplished world-wide field development and reservoir management geologist with extensive leadership experience.

Ken was the geotechnical technical authority for BP in Alaska, Russia, Deepwater Gulf of Mexico, India and Azerbaijan. Ken has a demonstrated ability to work or led multi-disciplinary teams for well planning, and reservoir management. Certified by BP for reserve estimates.

Areas Of Expertise
  • Water flood management
  • Reserve analysis
  • Resource appraisal
  • Uncertainty analysis
  • Well Planning and Delivery
  • Deep dives or investigations
  • Field development
  • Geohazard evaluations
Haider Rizvi

Haider Rizvi

Geologist - Geomodeling

Haider has 25 years of experience as a geologist with BHP/Woodside, Oxy and Haliburton-Landmark (contract).  He is highly skilled in subsurface mapping and 3D geocellular modeling of complex structural and stratigraphic frameworks with varying lithologies and depositional environments.  As a subject matter expert, he has been involved in many field studies from early-appraisal to late-life with unique set of subsurface challenges.  He has exceptional ability in making suitable judgment with incomplete information and data to capture subsurface uncertainties and practical approach to scale workflow to cater project needs.

Extensive world-wide project experience spans over: USA (GoM / Permian / San Joaquin), Australia (Browse), Colombia (Magdalena Valley), Trinidad (Angostura), Argentina (San Jorge), Qatar, UAE, Oman, Iraq, and Algeria.

Areas Of Expertise
  • Static Geocellular Modeling
  • Reserve and Resource Estimations
  • Development and Production
  • Uncertainty analysis
  • Geological Mapping and Geostatistics 
  • Seismic Interpretation
  • Well Planning
  • Improve recovery methods
  • Reservoir Upscaling
Eric Petersen

Eric Petersen

Geophysicist / Geologist

M.S Geology, San Diego State University

Accomplished geophysicist and geologist with 20 years of experience and a technically diverse background. He possesses a comprehensive range of petroleum technical knowledge: offshore lease sale technical studies with risk and volume estimates, well development and operations, seismic imaging and interpretation, technical data rooms, and working with government agencies to permit and drill wells. Mr. Peterson has 10 years of experience at BHP Petroleum where he worked various international projects in: Australia, Brazil, Mexico, and Trinidad and Tobago.

The majority of his involvement was the offshore deep-water Gulf of Mexico (GOM) and the onshore US Unconventional Natural Gas assets of the Haynesville and Fayetteville. Mr. Peterson worked 5 years as a Geophysicist in the Seismic Acquisition, Processing, and Interpretation service business. He created 3D Seismic products for petroleum E&P clients which included Petroleum Independents, Majors, and National Oil Companies. He furthered his education with a Continuous Improvement Six Sigma Green Belt from AIT Business Solutions and has taken Basic Offshore Safety Induction & Emergency Training (HUET & EBS) from OPITO.

Areas Of Expertise
  • Well development / ops.
  • GOM & International
  • Seismic Processing
  • Data Rooms
Lori A Hathon

Lori A. Hathon

Geologist / Petrophysicist

PhD Geological Sciences, University of Missouri-Columbia

University of Houston 2015 to present, Lori is an assistant professor of Petroleum Engineering. Her research interests include forward modeling of rock properties using multi-modal imaging techniques (micro-CT, SEM, thin section, laser Raman and acoustic microscopy) linked with rock properties measurement in the laboratory (acoustics, geomechanics, NMR, dielectrics, porosity and permeability).

Shell International E&P 20 years in Shell’s research organization. Her work at Shell included rock properties prediction in the Gulf of Mexico, offshore Africa and South America, including reservoir quality modeling linked to thin section imaging and image analysis. Development of Shell’s internal image analysis software which provided quantitative measurements of the granular structure of reservoir and seal facies required for forward modeling of acoustic, geomechanical, and flow properties. Research in porosity development and evolution in shale reservoirs.

Amoco Production Company -well site operations, East Africa Regional Studies, and Exploration on Australia’s Northwest Shelf. Amoco’s Exploration and Production Technology Group working on thermal maturity studies, and reservoir quality prediction.

Areas Of Expertise
  • Rock Properties
  • Production Logging
  • Multi-modal imaging
  • Professor Petroleum Eng.
Petroleum Systems
Michael Cheng

Michael Cheng

Geoscientist – Geochemist

PhD Geology, University of Wisconsin-Madison

Michael is a petroleum systems geologist with 20+ years of experience in exploration, appraisal, and production.

He has contributed to exploration/appraisal/production projects in numerous sedimentary basins for BHP Petroleum, Hess Corp., ExxonMobil, and Mobil.

He is a petroleum systems subject matter expert with experience in technical assurance. Michael has served as a technical network leader & mentor.

His broad skills include regional geology, petroleum system analysis, and geochemistry.

Areas Of Expertise
  • Basin Modeling
  • Integrated Petroleum System Analysis
Scott D Bruner

Scott D. Bruner, pe

Petroleum Engineer

Retired from Shell.

Scott is strategically focused with strong well intervention, completion design and execution skills along with significant experience delivering onshore and offshore production engineering surveillance. Extensive experience as an expert witness testifying in regulatory hearings. Scott’s expertise covers change management, operational process improvement, cross function and global alignment, completions, interventions & drilling, environmental & regulatory management, well integrity, production operations, project planning & execution, continuous process improvement, multi-site management, and talent development.

Areas Of Expertise
  • Well Intervention
  • Surveillance
  • Well Design
  • Well Integrity
Elliott Hu

Elliott Hu

Petroleum Engineer

BS/MS Petroleum Engineering - University of Texas

Elliott Hu is a safety and solutions-driven Operations Engineer and Wellsite Supervisor. He specializes in intervention operations including workover, slickline/e-line, coil tubing, chemical stimulation (addressing asphaltenes, paraffin, hydrates) and artificial lift (gas lift, rods, plunger) as well as managed pressure/underbalanced drilling. He has worked in various locations within the US including HPHT surface and subsea wells in the Gulf of Mexico with BP and Chevron, Eagle Ford gas wells in south Texas, and gas storage wells in Pennsylvania. He is also versed in operations risk management, helping teams to ascertain operational risks and implementing practical risk mitigation solutions.

Areas Of Expertise
  • Interventions Engineering
  • Wellsite Supervisor
  • Operations Risk Management (HAZID/HAZOP)
  • Managed Pressure/Underbalanced Drilling
Reservoir Engineering
Matt Honarpour

Matt Honarpour

Reservoir Engineering

Dr. Honarpour has held several roles: Principal Reservoir Engineer BHP, Global Reservoir Engineering Advisor Hess Corp., and Senior Reservoir Engineering Advisor ExxonMobil. He has extensive experience in reservoir engineering and subsurface characterization including rock-fluid properties, well test data for conventional sandstone reservoirs, fractured carbonates and unconventional reservoirs. He has led several projects in screening and implementation of chemical flooding, gas injection/gravity drainage, low salinity waterflood and MEOR. He coordinated work in viscous oil, light oil, volatile oil, gas-condensate and dry gas reservoirs. He has conducted laboratory evaluation of CO2/H2S storage in Arab formations in the Middle East carbonates, Honarpour has worked on the largest gas, gas-condensate and oil reservoirs globally. He has several years of teaching and mentoring at the University of Missouri, Rolla and Montana Tech.

Areas Of Expertise
  • Core Acquisition
  • Laboratory Measurements
  • Reservoir Engineering
  • EOR
Mike Rathmann

Mike Rathmann

Reservoir Engineering

B.Sc. Petroleum Engineering, Colorado School of Mines

Mike has 41 years of oil industry experience with various roles primarily focused in subsurface leadership, reservoir engineering, and subsurface technology. 

He has spearheaded projects in reservoir management and development planning throughout Russia, the Middle East, and Alaska by providing technical assurance on major subsurface projects and reserves and delivering focused waterflood training and reservoir management workshops. 

He has led technical teams in the development of tight gas sands, shale gas, gravity drainage/gas cap expansion, in addition to waterflood and EOR, in sandstone and carbonate systems within world class reservoirs as well as mature reservoirs. 

Areas Of Expertise
  • Reservoir Management
  • Waterflooding
  • EOR
  • Clastic and Carbonate Reservoirs
Drilling, Geo Ops & Shallow Hazards
Keith Coghill

Keith Coghill

Drilling Engineer

Mechanical Engineering, Glasgow University, Scotland

Keith Coghill has 35 years of international drilling experience with BP and 7 of its most politically sensitive and technically high-risk joint venture operations throughout Latin America, Europe and North Africa. He has also managed complex wells projects for the large UK Well Management companies, focusing on building high performing teams and achieving exceptional performance under extreme conditions overseas. He is also Non-Executive Director for a service company that provides technical training and rig-based coaching in challenging HPHT/ MPD deep water wells with a focus on continuous performance improvement and Advanced Human Factors people related skills. Keith also has a passion for developing individuals, having also been an Organization Capability Manager with BP. In his spare time, he is a first wave Disaster Assistance Relief Team Technical Advisor and runs his own property development company.

Areas Of Expertise
  • International Drilling
  • High Pressure High Temp
  • Leadership
Darrin Seulakhan

Darrin Seulakhan

Drilling Engineer

BSc., UOP

Darrin is a highly skilled Oil and Gas Professional with over 30 years experience.  He is highly regarded for extensive design and supervision expertise in horizontal sand control, completions, workovers, and well abandonment, including triple-zone fracturing, and intelligent well completions in diverse environments, encompassing deepwater, shelf, land, & swamp. His work has taken him from Trinidad & Tobago, where he began his career, to West Africa (Equatorial Guinea, Angola, & Nigeria) and other parts of the globe including South America (Venezuela, Brazil, & Argentina), Asia (Indonesia & Vietnam), Europe (London, Scotland, & Romania) & North America (USA). He has also led and contributed to various teams on projects for: Developing completion Alternatives based on field studies, fracture & completion design for new fields, & well abandonment cost estimates & procedures.

Areas Of Expertise
  • Well Completions
  • Deep Water
  • Tripple Zone Fracturing Completions
Carlos FLor

Carlos Flor

Drilling Engineer

MS Petroleum Engineering and B.S. ME, University of Houston

Carlos has a 16-year track record in exploration and appraisal wells. Recognized for expertise in managing complex projects across diverse environments, including deepwater operations in the Gulf of Mexico (USA), shallow water projects in Mexico, and deepwater ventures in Guyana. Demonstrated proficiency in working on various vessels, including semi-submersibles and drill ships, further enhancing adaptability and operational versatility. Proven proficiency in well design and supervision, project management, AFE preparation, tenders, technical support, risk assessment, bidding and contracts, engineering calculations, and the utilization of advanced software such as Landmark’s stress check and compass. Driven by a passion for surpassing expectations, delivering operational excellence, and consistently making significant contributions to the field of drilling engineering. A highly sought-after professional with a reputation for excellence and a proven ability to drive success in challenging deepwater environments.

Areas Of Expertise
  • Exploration and Appraisal Drilling
  • Deepwater GOM and Guyana
  • Well Design