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Cation Exchange Complex of the Oil-And-Gas Source Rock of the Bazhenov Formation of Western Siberia
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, EAGE/SPE Workshop on Shale Science 2019, Apr 2019, Volume 2019, p.1 - 4
Abstract
Summary
The results of the experimental determinations of the cation exchange capacity (CEC) values of the Bazhenov shales in Western Siberia within one well are presented in the paper. The CEC varies in the depth within 6.44÷10.08 meq/100 g and is generally consistent with the CEC values of shale rocks of the various shale formations. It is found that the rocks exchange complex of the section belongs to the marine type with a predominance of Na+ and K+ and confirm the marine origin of the considered BS rock samples.
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