Formation pressure monitoring method for water-containing gas reservoir injected with carbon dioxide
The invention relates to a formation pressure monitoring method for a water-containing gas reservoir injected with carbon dioxide, and belongs to the field of gas reservoir engineering. The problem that a method for monitoring the formation pressure of a water-containing gas reservoir injected with...
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| creator | KUI MINGQING LI LONGXIN TAN XIAOHUA MEI QINGYAN SHI JIAJIA |
| description | The invention relates to a formation pressure monitoring method for a water-containing gas reservoir injected with carbon dioxide, and belongs to the field of gas reservoir engineering. The problem that a method for monitoring the formation pressure of a water-containing gas reservoir injected with carbon dioxide does not exist nowadays is solved. According to the technical scheme, carbon dioxide is injected into the water-containing gas reservoir and part of the carbon dioxide is dissolved in water, a material balance formula is established based on the constant-volume gas reservoir, the material balance formula of the water-containing gas reservoir considering carbon dioxide injection is deduced, and the material balance formula is solved by applying an iterative algorithm; and drawing a relational graph of the change of the formation pressure along with the accumulated ground carbon dioxide injection quantity, thereby realizing the formation pressure monitoring of the water-containing gas reservoir injecte |
| format | Patent |
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According to the technical scheme, carbon dioxide is injected into the water-containing gas reservoir and part of the carbon dioxide is dissolved in water, a material balance formula is established based on the constant-volume gas reservoir, the material balance formula of the water-containing gas reservoir considering carbon dioxide injection is deduced, and the material balance formula is solved by applying an iterative algorithm; and drawing a relational graph of the change of the formation pressure along with the accumulated ground carbon dioxide injection quantity, thereby realizing the formation pressure monitoring of the water-containing gas reservoir injecte</description><language>chi ; eng</language><subject>CALCULATING ; COMPUTING ; COUNTING ; EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; ELECTRIC DIGITAL DATA PROCESSING ; FIXED CONSTRUCTIONS ; MINING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS ; PHYSICS</subject><creationdate>2023</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=20230516&DB=EPODOC&CC=CN&NR=116127251A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230516&DB=EPODOC&CC=CN&NR=116127251A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KUI MINGQING</creatorcontrib><creatorcontrib>LI LONGXIN</creatorcontrib><creatorcontrib>TAN XIAOHUA</creatorcontrib><creatorcontrib>MEI QINGYAN</creatorcontrib><creatorcontrib>SHI JIAJIA</creatorcontrib><title>Formation pressure monitoring method for water-containing gas reservoir injected with carbon dioxide</title><description>The invention relates to a formation pressure monitoring method for a water-containing gas reservoir injected with carbon dioxide, and belongs to the field of gas reservoir engineering. The problem that a method for monitoring the formation pressure of a water-containing gas reservoir injected with carbon dioxide does not exist nowadays is solved. 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The problem that a method for monitoring the formation pressure of a water-containing gas reservoir injected with carbon dioxide does not exist nowadays is solved. According to the technical scheme, carbon dioxide is injected into the water-containing gas reservoir and part of the carbon dioxide is dissolved in water, a material balance formula is established based on the constant-volume gas reservoir, the material balance formula of the water-containing gas reservoir considering carbon dioxide injection is deduced, and the material balance formula is solved by applying an iterative algorithm; and drawing a relational graph of the change of the formation pressure along with the accumulated ground carbon dioxide injection quantity, thereby realizing the formation pressure monitoring of the water-containing gas reservoir injecte</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ELECTRIC DIGITAL DATA PROCESSING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS |
| title | Formation pressure monitoring method for water-containing gas reservoir injected with carbon dioxide |
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