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EVENING TALK: Pursuing Fractured Basement  as a Valuable Exploration Target

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Imperial College - Royal School of Mines

Prince Consort Rd

Kensington

London

SW7 2BP

United Kingdom

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About the Speaker

Karyna is a Petroleum Geoscientist with over 27 years of multidisciplinary technical experience in global exploration-inclined projects. She possesses diverse experience from her time at PEMEX, BG and other major oil companies, including regional seismic interpretation, prospect generation, amplitude anomaly and sequence stratigraphic play analyses, integrated reservoir characterization field studies and prospect and volumetric chance evaluation, through customized systematic probabilistic risk analysis processes, working closely with high level management to develop their strategic portfolios. She currently manages global projects which enhance Spectrum’s data library by providing geoscientific rationales and giving insight into petroleum system elements’ risk reduction for both old and new plays.


The Abstract

Fractured basement reservoirs are mostly defined as metamorphic and igneous rocks uncomfortably overlain by a sedimentary sequence, where faulting has led to the creation of a natural fracture network where hydrocarbons can accumulate. Those of sedimentary origin with little or no matrix porosity can also be included. Fractured quartzites and granites are generally considered to be the best reservoirs.

Basement reservoirs have been recognized for decades but are still often disregarded as many oil companies stop drilling as soon as basement rocks are intersected. Where basement has been penetrated to a sufficient depth, significant volumes of undiscovered hydrocarbons may still have been missed by a failure to intersect the fracture systems.

Despite inadequate exploration, fractured basement rocks are important oil and gas reservoirs around the globe. The fractured basement play is an overlooked play proven on a global scale and associated with large reserves and significant upside potential. Regional seismic data is an essential tool for the initial identification of the potential of this highly attractive play, together with a good regional geological understanding of the region which can be gained by integrating all available data from onshore geology, information from wells, regional 2D seismic and potential field data. Such work has resulted in the identification of the continuation of the pre-Atlantic opening Cape Fold Belt deformation and the potential fractured basement play fairway in the Outeniqua Basin into the Orange Basin of South Africa and its conjugate margin the Colorado Basin of Argentina.

Initial identification of potential fractured basement play fairways can encourage oil companies to change their drilling practice and target, rather than avoid basement objectives with properly designed wells to optimally intersect the dominant fracture systems.


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The entrance to the venue is from Prince Consort Rd. Please, note that the door closes at 18:30! Please, arrive earlier.

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Date and Time

Location

Imperial College - Royal School of Mines

Prince Consort Rd

Kensington

London

SW7 2BP

United Kingdom

View Map

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