IMPROVED AQUEOUS-BASED WELLBORE FLUIDS FOR USE TO STABILISE CLAY-CONTAINING FORMATION
The invention provides a wellbore fluid which comprises an aqueous continuous phase and, dissolved in said aqueous continuous phase, at least one salt which has an ammonium, phosphonium or sulfonium cation containing at least 5 carbon atoms, or a quatemised nitrogen-containing heterocyclic cation co...
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| creator | ASTON, Mark, Shelton WASSELL, David, Francis SEDDON, Kenneth, Richard |
| description | The invention provides a wellbore fluid which comprises an aqueous continuous phase and, dissolved in said aqueous continuous phase, at least one salt which has an ammonium, phosphonium or sulfonium cation containing at least 5 carbon atoms, or a quatemised nitrogen-containing heterocyclic cation containing at least 6 carbon atoms, and a method of carrying out a wellbore operation, which comprises introducing into a wellbore in a clay-containing formation, a wellbore fluid according to the invention. The described salts are effective shale inhibitors. |
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The described salts are effective shale inhibitors.</description><language>eng ; fre ; ger</language><subject>ADHESIVES ; CHEMISTRY ; DYES ; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; PAINTS ; POLISHES</subject><creationdate>2016</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=20161221&DB=EPODOC&CC=EP&NR=2235135B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20161221&DB=EPODOC&CC=EP&NR=2235135B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ASTON, Mark, Shelton</creatorcontrib><creatorcontrib>WASSELL, David, Francis</creatorcontrib><creatorcontrib>SEDDON, Kenneth, Richard</creatorcontrib><title>IMPROVED AQUEOUS-BASED WELLBORE FLUIDS FOR USE TO STABILISE CLAY-CONTAINING FORMATION</title><description>The invention provides a wellbore fluid which comprises an aqueous continuous phase and, dissolved in said aqueous continuous phase, at least one salt which has an ammonium, phosphonium or sulfonium cation containing at least 5 carbon atoms, or a quatemised nitrogen-containing heterocyclic cation containing at least 6 carbon atoms, and a method of carrying out a wellbore operation, which comprises introducing into a wellbore in a clay-containing formation, a wellbore fluid according to the invention. 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The described salts are effective shale inhibitors.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMISTRY DYES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES |
| title | IMPROVED AQUEOUS-BASED WELLBORE FLUIDS FOR USE TO STABILISE CLAY-CONTAINING FORMATION |
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