Method for determining organic porosity of shale gas reservoir stratum
A technology of organic porosity and shale gas, which is applied in the direction of earthwork drilling, wellbore/well components, etc., can solve the problems of high cost, difficulty in continuously analyzing the organic porosity of shale gas reservoirs, and long time consumption, and achieve cost low effect
Inactive Publication Date: 2017-11-17
CHINA PETROLEUM & CHEM CORP +1
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Abstract
The invention relates to method for determining the organic porosity of a shale gas reservoir stratum. The method includes the following steps: a first step, acquiring the total porosity Phi t, the organic matter volume content Vorg and the inorganic matter volume content Vsilt of different stratum sections of the shale gas reservoir stratum; a second step, establishing a relation between the total porosity Phi t and the organic matter volume content Vorg and the inorganic matter volume content Vsilt, and acquiring the number Phi Torg of pores of a pure organic matter in unit volume corresponding to each stratum section; and a third step, acquiring the organic porosity Phi org of different stratum sections of the shale gas reservoir stratum according to the Phi Torg and the Vorg.
Application Domain
Borehole/well accessories
Technology Topic
Shale gasUnit volume +4
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