Calculating method for effective thickness of cap rock based on cap rock anisotropism

The invention provides a calculating method for effective thickness of a cap rock, on the basis of the difference in physical sealing capacities inside the cap rock caused by cap rock anisotropism. The calculating method comprises the following steps: 1) comprehensively utilizing analytical test dat...

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Hauptverfasser:	LI HUI, MA CUNFEI, LIN CHENGYAN, DONG CHUNMEI, LUAN GUOQIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
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creator	LI HUI MA CUNFEI LIN CHENGYAN DONG CHUNMEI LUAN GUOQIANG
description	The invention provides a calculating method for effective thickness of a cap rock, on the basis of the difference in physical sealing capacities inside the cap rock caused by cap rock anisotropism. The calculating method comprises the following steps: 1) comprehensively utilizing analytical test data, such as slices of pelite cap rock and sandstone reservoir, scanning electron microscope, breakthrough pressure, porosity and permeability, to confirm a boundary of the cap rock and the reservoir layer; 2) establishing an evaluation standard for physical sealing capacity of cap rock; 3) utilizingnatural gamma curve, interval transit time curve and analytical test data to establish a well logging interpretation model, quantitatively identifying the lithological characteristics of the cap rockand calculating porosity, permeability and breakthrough pressure; 4) comprehensively evaluating the physical sealing grade of each lithological characteristic in the cap rock according to the evaluation standard of physical se
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The calculating method comprises the following steps: 1) comprehensively utilizing analytical test data, such as slices of pelite cap rock and sandstone reservoir, scanning electron microscope, breakthrough pressure, porosity and permeability, to confirm a boundary of the cap rock and the reservoir layer; 2) establishing an evaluation standard for physical sealing capacity of cap rock; 3) utilizingnatural gamma curve, interval transit time curve and analytical test data to establish a well logging interpretation model, quantitatively identifying the lithological characteristics of the cap rockand calculating porosity, permeability and breakthrough pressure; 4) comprehensively evaluating the physical sealing grade of each lithological characteristic in the cap rock according to the evaluation standard of physical se</description><language>chi ; eng</language><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASURING ; MEASURING ANGLES ; MEASURING AREAS ; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS ; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS ; PHYSICS ; TESTING</subject><creationdate>2019</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190111&DB=EPODOC&CC=CN&NR=109187302A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190111&DB=EPODOC&CC=CN&NR=109187302A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LI HUI</creatorcontrib><creatorcontrib>MA CUNFEI</creatorcontrib><creatorcontrib>LIN CHENGYAN</creatorcontrib><creatorcontrib>DONG CHUNMEI</creatorcontrib><creatorcontrib>LUAN GUOQIANG</creatorcontrib><title>Calculating method for effective thickness of cap rock based on cap rock anisotropism</title><description>The invention provides a calculating method for effective thickness of a cap rock, on the basis of the difference in physical sealing capacities inside the cap rock caused by cap rock anisotropism. 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subjects	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
title	Calculating method for effective thickness of cap rock based on cap rock anisotropism
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