Our Experts
Meet the technical leaders and specialists driving subsurface innovation and investment-ready decisions.
Dr. Clive Sirju
DIRECTOR/Petrophysicist
20+ years’ with BP, BG Group, and CNOOC. Recognised in petrophysics, geomechanics, formation evaluation, reserves and technical assurance across UK, Europe, Africa, Latin America, Asia, Americas. Expert in reservoir characterisation, advanced petrophysical analysis, and new technology. Skilled at integrating data to support field development, well operations, and uncertainty reduction. Hands-on capability Techlog, Geolog, IP, Powerlog.
Ron Daniel
GEOLOGIST
30+ years of exploration and appraisal geoscience experience with major and independent operators, including Staatsolie (Suriname), CNOOC, BG Group, PetroCanada, Enterprise Oil, and BP. Extensive experience across the North Sea, West Africa, and South America/Caribbean, specialising in new venture evaluation, seismic interpretation,and attribute analysis such as spectral decomposition (Paleoscan, Petrel), prospect volumetric and risk analysis (GeoX, REP).
Dr. Andrew Wilson
GEOPHYSICIST
20+ years’ of global experience in geophysics and reservoir development, helping reduce risk and add value to wells by integrating production data with 3D and 4D seismic. I’ve worked across oil, gas, and condensate fields—leading seismic-to-well calibration, 4D seismic interpretation, and quantitative reservoir studies—while also planning and drilling development wells. Expert in Petrel Geophysics and Hampson Russell.
Ingrid Demaerschalk
GEOMODELLER
Expert geomodeller with over 25 years of experience, including 15 years with Operators (BG Group & Tullow Oil) as Group Technical Authority for Reservoir Modelling and Reservoir Modelling Advisor. Ingrid has been an independent consultant since 2020 and has extensive experience building and advising on reservoir models for a range of depositional environments for both conventional and unconventional resources, onshore and offshore.
Moira Belka
GEOLOGIST
25+ years’ experience in reservoir development and exploration. Expert in geocellular modelling (Petrel™ / RMS™), uncertainty analysis, volumetrics and simulation-ready delivery. Integrated subsurface specialist across clastic and carbonate systems (UKCS & international), supporting infill, appraisal, late-life optimisation, CCS and geothermal projects.
Dinesh Ganesh
RESERVOIR ENGINEER
23+ years of global industry experience, within various operators (Harbour Energy, ConocoPhillips, Serica, Maersk, Woodside, Dana, BP & PetroSA) specializing in a practical data-driven approach to optimize economic reservoir value. Proficient in managing the full field life cycle across various conventional and unconventional reservoirs (sandstone and carbonate) and fluid types (oil and gas). Proficient in (DCA, MBE) and workflows supported by dynamic modelling (Eclipse, Petrel RE, Petex).
Dr. Alex Folefac
RESERVOIR ENGINEER
Strategic reservoir engineering leader with 25+ years’ international experience at BG Group and Shell, delivering optimised field developments and production gains across diverse upstream projects. Expert in subsurface integration, advanced modelling, and forecasting to support technical assurance and risk management from concept to operations. Proven success in Brazil, Kazakhstan, and Malaysia, driving recovery uplift, resource growth, and production enhancement. Skilled at engaging global stakeholders and securing regulatory approvals across multiple regions.
Dr Simon Gould
GEOLOGIST
25 years’ experience with various operators (Shell, Ithaca, Talisman Energy, Endeavour Energy and Waldorf Production) in exploration, field development, data room evaluation and well decommissioning projects on the UKCS. 10 years as an independent consultant working with UKCS and international operators, and leading geological field trips for PESGB, DEVEX 2019 and UKCS operators. Simon was most recently focal point for decommissioning at Waldorf Production on operated and non-operated assets.
Dave Triptree
DRILLING ENGINEER
Well Engineering Professional with 35+ years of global experience in drilling operations, engineering, and project management across onshore and offshore projects. Skilled in planning and executing complex initiatives, including HPHT exploration, MPD, and slimhole horizontal sidetracks in remote and frontier locations. Experienced across SE Asia, Africa, the Americas, and Europe, with strong geology and petroleum engineering knowledge and a collaborative,multidisciplinary approach.
Jim Mallon
FACILITIES ENGINEER
Process Facilities Engineer with over 30 years of experience in onshore and offshore oil and gas developments, specialising in concept development, option screening, and process facilities design. Experienced in Concept Select, FEED, and Detailed Engineering for greenfield and brownfield projects, with expertise in HAZOPs, process safety studies, and facility troubleshooting. Proven track record delivering offshore platform and FPSO projects across the UK, Norwegian, and Danish sectors of the North Sea from concept through commissioning.
Frank Davis
PRODUCTION ENGINEER
30+ years’ of onshore and offshore experience delivering practical, value-focused production and operational solutions. Expertise spans production optimisation, well intervention strategy and project management, well performance analysis, flow assurance, artificial lift, waterflood optimisation, subsea and topsides operations, and incident investigation. Utlise industry-leading modelling and data tools to provide clear, investment-ready insights.
Jon Wardell
RESERVOIR ENGINEER
25+ years experience as a reservoir engineer and geologist in UKCS operated assets, specialising in subsurface integration and uncertainty management across the full asset lifecycle. Strong background in field development, reservoir and reserves management, technical leadership, well planning and delivery, and value-focused work planning. Proficient in simulation (Eclipse, Petrel,tNav), well test analysis (Saphir), material balance (MBAL), and well performance analysis (Prosper).
Craig Paveley
PETROLEUM ENGINEER
Petroleum engineering and energy transition specialist with 30+ years’ international experience in subsurface, production optimisation, and asset management. Former VP Development & Production at Nexen/CNOOC, leading reserves maturation, integrated subsurface strategies, technology programmes, and electrification initiatives. Experienced in well engineering, reservoir development, production systems, and M&A technical review. Now an independent consultant advising operators, regulators, and investors on, asset performance, and subsurface development.
Dr. Mark Harrison
GEOPHYSICIST
20+ years’ experience as a geophysicist with BP, Maersk Oil and CNOOC supporting UK and international operations. Broad experience in seismic interpretation, quantitative analysis and technical assurance across exploration, appraisal, and development. Expertise includes seismic-well ties, time-depth conversion, opportunity identification, prospect maturation, well planning, risk assessment. Hands on capability in Petrel and Hampson-Russell.
Mark Hayes
RESERVOIR ENGINEER
30+ years’ as a Petroleum/Reservoir Engineer with broad international experience in integrated project teams, reservoir development, asset evaluation, and production management. Completed 70+ asset evaluations and PRMS reserves reports, led major operated appraisal and development projects, and delivered complex HPHT, deepwater, FPSO, and subsea developments in the UK and Gulf of Mexico. Recognised for technical leadership, innovation, and advancing field development strategies.
Andrew King
SEISMIC ACQUISITION SPECIALIST
Seismic Acquisition and Processing Geophysicist with over 35 years of industry experience, including more than 25 years supporting international operators. Extensive expertise in seismic acquisition, survey design, tender evaluation, project supervision, and advanced 2D, 3D, 4D and 4C seismic processing across onshore and offshore environments. International experience spans the North Sea, West of Shetland, Africa, Asia, Australia and Eastern Europe, delivering technically robust solutions across exploration, appraisal and field development projects.
Stelios Kalidakis
PROJECT MANAGEMENT/ASSET INTEGRITY
Project Manager with 20+ years’ experience delivering complex offshore engineering and capital projects across the UK North Sea. Skilled in full project lifecycle delivery, FEED, detailed engineering, EPC oversight and multidisciplinary team leadership. Strong technical grounding in engineering governance, project governance, asset integrity and risk management. Experienced in project and technical assurance, and Joint Venture governance, consistently driving safe, reliable and disciplined project execution.