Since 2004 Calderdale Geoscience Limited (CGL1) has provided clients with in-house technical expertise in the evaluation of blocks offered in licensing rounds, resulting in numerous license awards and successful wells. Recently, CGL has worked on the production of well and seismic data from the Cauvery Basin, Sri Lanka.
The current members of CGL are:
||Director: David Melnyk PhD
Dave was trained at the University of Wales, Aberystwyth and at the University of Houston, Texas. He has over 30 years experience in the Oil Industry, working with Premier Oil, BP, Scott-Pickford, Core Lab and as an independent consultant on world-wide upstream projects. His specialties are geological analysis, prospect evaluation, the creation of complex geological data bases and beautiful geological maps.
||Director: Jo Prigmore MA PhD
Jo was trained at Cambridge University, and has 20 years of geoscience experience in the Oil Industry. She has worked in both oil companies and the consultancy sector, with previous roles as a Geological Advisor at Atlantic Petroleum UK and Premier Oil Norway, and Senior Geologist at ERC Equipoise and Scott Pickford. She has a broad range of technical expertise in both exploration and development projects in a wide range of prospective areas worldwide. Her specialities include seismic interpretation and geological modelling, prospect generation and licence management
||Director: Mark Holliday BSc
Mark is a founder of ERCE where he acts as Director of Business Development. Over the course of his career he has worked for Halliburton, Nigel Press Associates and Scott Pickford, and also was a Director of Equipoise Solutions. Mark’s experience in field operations and as a consultant has given him a broad background in oil and gas activities. His experience in project management and his years managing the Equipoise team allows him to identify the correct skill sets required for specific projects, to maximize productivity and results
||Associate: Mike Dempsey MSc
Mike was trained at London University. He has over 40 years experience in the Oil Industry, having worked as a Biostratigrapher, Exploration and Development Geologist, as an Exploration Manager and as a geological consultant. He has worked for Texaco Trinidad Inc, Conoco North Sea Inc, Ranger Oil, Marathon, Enterprise Oil, Monument Oil and Gas, and Petroconsultants-MAI. His specialities are basin, prospect, field and New Ventures evaluations and Project Management.
||Associate: A J (Tissa) Jayasekera OBE
Tissa Jayasekera is a consultant reservoir engineer with over 30 years of experience, having worked in the middle east, the UK North Sea and North America. He has held senior positions with ARCO British Ltd., and with the Exploration and Development Directorate of the Department of Trade and industry in UK. He was awarded the OBE for his contribution to the upstream UK Oil and Gas Industry.
||Associate: Peter Stanley BSc
Pete was trained at Aberystwyth University. He has 20 years experience in the Oil Industry, where he has worked as a database programmer and data analyst with Scott Pickford, Core Lab, ECL and RPS. We are pleased to offer Pete’s essential data analysis skills through CGL.
||Associate: Paul Emerson MSc
Paul was trained at London University. He has over 30 years experience in the Oil Industry, working for GAPS, Scott Pickford, Core Lab and as an independent consultant on numerous equity redeterminations, asset valuations and licensing rounds. He is expert at core description, facies analysis, wireline correlation, and mapping.
Mobile: +44 (0)7980-531290
||Associate: Chris Johns PhD
Chris has 30 years of oil-industry experience, gained after obtaining his PhD and working for the Zambian Geological Survey. He joined consultancy Scott Pickford and worked on exploration studies, oil and gasfield evaluations and CPRs, and was a specialist in the field equity determination team. In 2001 he joined Premier Oil as Chief Development Geologist, later becoming Chief Geoscientist overseeing the company’s geoscience work across their NV, exploration and development businesses. He retired from this role in 2013 and has since worked as an independent consultant, working on acquisitions, project and dataroom reviews. Chris also has experience over many years giving university and industry talks, and organising fieldtrips.
Mobile: +44 (0)7703-542853
While every effort will be made to prepare accurate data bases and maps, it should be recognized that the geological data available will always be incomplete and that any interpretations made or advice offered will be predictive, not certain. The directors of Calderdale Geoscience Limited cannot accept responsibility or liability for commitments undertaken by clients or for subsequent exploration results.
1 CGL is privately owned by the directors and by Equipoise Solutions Ltd.
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