Method for improving recovery ratio of heavy oil reservoir through microbial composite flue gas

Method for improving recovery ratio of heavy oil reservoir through microbial composite flue gas

The invention belongs to the technical field of tertiary oil recovery, and particularly relates to a method for improving the recovery efficiency of a heavy oil reservoir through microbial composite flue gas. The method comprises the following steps: screening test oil reservoirs, wherein the screen...

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Hauptverfasser: XIANG YIWEI, SONG YONGTING, ZHANG BENHUA, XU CHUANG, GAO GUANGJUN, HU JING, JIANG YIRAN, TAN XIAOMING, XU BOWEN, SUN GANGZHENG
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Sprache:chi ; eng
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EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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creator XIANG YIWEI
SONG YONGTING
ZHANG BENHUA
XU CHUANG
GAO GUANGJUN
HU JING
JIANG YIRAN
TAN XIAOMING
XU BOWEN
SUN GANGZHENG
description The invention belongs to the technical field of tertiary oil recovery, and particularly relates to a method for improving the recovery efficiency of a heavy oil reservoir through microbial composite flue gas. The method comprises the following steps: screening test oil reservoirs, wherein the screening of the test oil reservoirs needs to meet two conditions of oil reservoirs and florae; pretreating flue gas; injecting desulfurized and denitrified flue gas and a microbial oil recovery injection agent; carrying out subsequent water drive displacement; water well injection is stopped, and oil well downcomer production is conducted. The method has the advantages that the field implementation process is simple, the energy consumption is low, the national environmental protection requirements of energy conservation and emission reduction are met, and the method is a green, environment-friendly and efficient thickened oil cold production technology; the method has the advantages of being low in cost, high in input-o
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The method has the advantages that the field implementation process is simple, the energy consumption is low, the national environmental protection requirements of energy conservation and emission reduction are met, and the method is a green, environment-friendly and efficient thickened oil cold production technology; the method has the advantages of being low in cost, high in input-o</description><language>chi ; eng</language><subject>EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; FIXED CONSTRUCTIONS ; MINING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><creationdate>2024</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&amp;date=20240315&amp;DB=EPODOC&amp;CC=CN&amp;NR=117703327A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25555,76308</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20240315&amp;DB=EPODOC&amp;CC=CN&amp;NR=117703327A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>XIANG YIWEI</creatorcontrib><creatorcontrib>SONG YONGTING</creatorcontrib><creatorcontrib>ZHANG BENHUA</creatorcontrib><creatorcontrib>XU CHUANG</creatorcontrib><creatorcontrib>GAO GUANGJUN</creatorcontrib><creatorcontrib>HU JING</creatorcontrib><creatorcontrib>JIANG YIRAN</creatorcontrib><creatorcontrib>TAN XIAOMING</creatorcontrib><creatorcontrib>XU BOWEN</creatorcontrib><creatorcontrib>SUN GANGZHENG</creatorcontrib><title>Method for improving recovery ratio of heavy oil reservoir through microbial composite flue gas</title><description>The invention belongs to the technical field of tertiary oil recovery, and particularly relates to a method for improving the recovery efficiency of a heavy oil reservoir through microbial composite flue gas. 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subjects EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
title Method for improving recovery ratio of heavy oil reservoir through microbial composite flue gas
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