COMPOSITION AND METHOD FOR REMEDIATION OF NEAR WELLBORE DAMAGE

COMPOSITION AND METHOD FOR REMEDIATION OF NEAR WELLBORE DAMAGE

Aspects of the invention relate to compositions and methods that are used for the remediation of near-wellbore damage in regions of formations near injection wells in communication with subterranean reservoirs. The damage is caused by previous injection of a polymer emulsion into the injection well....

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Hauptverfasser: THACH, Sophany, DWARAKANATH, Varadarajan, DEAN, Robert Matthew, SLAUGHTER, Will S, WALKER, Dustin Luke
Format: Patent
Sprache:eng ; fre ; ger
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ADHESIVES
CHEMISTRY
DYES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
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creator THACH, Sophany
DWARAKANATH, Varadarajan
DEAN, Robert Matthew
SLAUGHTER, Will S
WALKER, Dustin Luke
description Aspects of the invention relate to compositions and methods that are used for the remediation of near-wellbore damage in regions of formations near injection wells in communication with subterranean reservoirs. The damage is caused by previous injection of a polymer emulsion into the injection well. A specific aspect is a method of injecting into the subterranean reservoir a composition containing an olefin sulfonate, a sulfosuccinate, and a chemical selected from an alcohol alkoxylated sulfate, an alcohol alkoxylated carboxylate, or a combination thereof. The polymer emulsion is thereby dissolved, cleaned and/or flushed away from the region near the injection well.
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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 COMPOSITION AND METHOD FOR REMEDIATION OF NEAR WELLBORE DAMAGE
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