HYDROCARBON RECOVERY WITH INJECTED SOLVENT AND STEAM AT SELECTED RATIOS
A method of recovering hydrocarbons from a subterranean reservoir comprises injecting steam and solvent vapour into the reservoir for mobilizing viscous hydrocarbons in the reservoir and forming a fluid comprising mobilized hydrocarbons, water and solvent; and producing the fluid from the reservoir,...
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| creator | AZOM, PRINCE BEN-ZVI, AMOS |
| description | A method of recovering hydrocarbons from a subterranean reservoir comprises injecting steam and solvent vapour into the reservoir for mobilizing viscous hydrocarbons in the reservoir and forming a fluid comprising mobilized hydrocarbons, water and solvent; and producing the fluid from the reservoir, wherein the solvent comprises at least one of propane and butane. A molar ratio of the injected solvent to the injected steam is from 0.1 to 3. A mobilizing fluid for use in a solvent-aided process comprises about 40 to about 70 wt% steam; about 30 to about 60 wt% solvent; and less than about 3 wt% methane. The solvent reduces viscosity of viscous hydrocarbons in the reservoir and is more soluble in oil than in water, and has a partial pressure in the reservoir allowing the solvent to be transported as vapour with steam to a steam front. |
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A molar ratio of the injected solvent to the injected steam is from 0.1 to 3. A mobilizing fluid for use in a solvent-aided process comprises about 40 to about 70 wt% steam; about 30 to about 60 wt% solvent; and less than about 3 wt% methane. The solvent reduces viscosity of viscous hydrocarbons in the reservoir and is more soluble in oil than in water, and has a partial pressure in the reservoir allowing the solvent to be transported as vapour with steam to a steam front.</description><language>eng ; fre</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>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=20190620&DB=EPODOC&CC=CA&NR=3027274A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190620&DB=EPODOC&CC=CA&NR=3027274A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>AZOM, PRINCE</creatorcontrib><creatorcontrib>BEN-ZVI, AMOS</creatorcontrib><title>HYDROCARBON RECOVERY WITH INJECTED SOLVENT AND STEAM AT SELECTED RATIOS</title><description>A method of recovering hydrocarbons from a subterranean reservoir comprises injecting steam and solvent vapour into the reservoir for mobilizing viscous hydrocarbons in the reservoir and forming a fluid comprising mobilized hydrocarbons, water and solvent; and producing the fluid from the reservoir, wherein the solvent comprises at least one of propane and butane. A molar ratio of the injected solvent to the injected steam is from 0.1 to 3. A mobilizing fluid for use in a solvent-aided process comprises about 40 to about 70 wt% steam; about 30 to about 60 wt% solvent; and less than about 3 wt% methane. The solvent reduces viscosity of viscous hydrocarbons in the reservoir and is more soluble in oil than in water, and has a partial pressure in the reservoir allowing the solvent to be transported as vapour with steam to a steam front.</description><subject>EARTH DRILLING</subject><subject>EARTH DRILLING, e.g. DEEP DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>MINING</subject><subject>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHD3iHQJ8nd2DHLy91MIcnX2D3MNilQI9wzxUPD083J1DnF1UQj29wlz9QtRcPQDskNcHX0VHEMUgl19ILJBjiGe_sE8DKxpiTnFqbxQmptBwc01xNlDN7UgPz61uCAxOTUvtSTe2dHYwMjcyNzE0dCYCCUAkM4sGg</recordid><startdate>20190620</startdate><enddate>20190620</enddate><creator>AZOM, PRINCE</creator><creator>BEN-ZVI, AMOS</creator><scope>EVB</scope></search><sort><creationdate>20190620</creationdate><title>HYDROCARBON RECOVERY WITH INJECTED SOLVENT AND STEAM AT SELECTED RATIOS</title><author>AZOM, PRINCE ; BEN-ZVI, AMOS</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA3027274A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2019</creationdate><topic>EARTH DRILLING</topic><topic>EARTH DRILLING, e.g. DEEP DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>MINING</topic><topic>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</topic><toplevel>online_resources</toplevel><creatorcontrib>AZOM, PRINCE</creatorcontrib><creatorcontrib>BEN-ZVI, AMOS</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>AZOM, PRINCE</au><au>BEN-ZVI, AMOS</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>HYDROCARBON RECOVERY WITH INJECTED SOLVENT AND STEAM AT SELECTED RATIOS</title><date>2019-06-20</date><risdate>2019</risdate><abstract>A method of recovering hydrocarbons from a subterranean reservoir comprises injecting steam and solvent vapour into the reservoir for mobilizing viscous hydrocarbons in the reservoir and forming a fluid comprising mobilized hydrocarbons, water and solvent; and producing the fluid from the reservoir, wherein the solvent comprises at least one of propane and butane. A molar ratio of the injected solvent to the injected steam is from 0.1 to 3. A mobilizing fluid for use in a solvent-aided process comprises about 40 to about 70 wt% steam; about 30 to about 60 wt% solvent; and less than about 3 wt% methane. The solvent reduces viscosity of viscous hydrocarbons in the reservoir and is more soluble in oil than in water, and has a partial pressure in the reservoir allowing the solvent to be transported as vapour with steam to a steam front.</abstract><oa>free_for_read</oa></addata></record> |
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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 | HYDROCARBON RECOVERY WITH INJECTED SOLVENT AND STEAM AT SELECTED RATIOS |
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