Reservoir false crack identification and physical property correction method

Reservoir false crack identification and physical property correction method

The invention relates to a reservoir false crack identification and physical property correction method. According to the method, on the basis of identifying a true crack and a false crack by the utilization of a rock casting thin section; establishing a function relationship between mercury intrusi...

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Hauptverfasser: YUAN GUANGHUI, CAO YINGCHANG, WANG XIAOMING, WANG YUELEI, QIU LONGWEI
Format: Patent
Sprache:chi ; eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator YUAN GUANGHUI
CAO YINGCHANG
WANG XIAOMING
WANG YUELEI
QIU LONGWEI
description The invention relates to a reservoir false crack identification and physical property correction method. According to the method, on the basis of identifying a true crack and a false crack by the utilization of a rock casting thin section; establishing a function relationship between mercury intrusion three-dimensional apparent porosity phi 3 and reservoir permeability K by the utilization of mercury injection data, and establishing a relationship between the mercury intrusion three-dimensional apparent porosity phi 3 and thin section two-dimensional apparent porosity phi 2 by the utilization of the mercury injection data as well as casting thin section data, a three-dimensional apparent aperture generated by the false crack is eliminated, and the effect of the false crack developing in a drilling rock core on rock sample gas logging porosity and gas logging permeability is eliminated. Compared with the prior art, as the three-dimensional apparent aperture generated by the false crack is eliminated, the poros
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Reservoir false crack identification and physical property correction method
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