COMPOSITIONS AND METHODS FOR COMPLETING SUBTERRANEAN WELLS

COMPOSITIONS AND METHODS FOR COMPLETING SUBTERRANEAN WELLS

Well treatment compositions comprise water, a lipophilic anionic surfactant, a hydrophilic non-ionic surfactant, a second non-ionic surfactant and a water-miscible solvent. Optionally, a second solvent may be incorporated. When added to spacer fluids, chemical washes or both, the compositions promot...

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Hauptverfasser: BENNANI, NORA, PERSHIKOVA TOMILINA, ELENA, KEFI, SLAHEDDINE
Format: Patent
Sprache:eng ; fre
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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 BENNANI, NORA
PERSHIKOVA TOMILINA, ELENA
KEFI, SLAHEDDINE
description Well treatment compositions comprise water, a lipophilic anionic surfactant, a hydrophilic non-ionic surfactant, a second non-ionic surfactant and a water-miscible solvent. Optionally, a second solvent may be incorporated. When added to spacer fluids, chemical washes or both, the compositions promote the removal of non-aqueous drilling fluids from casing surfaces. Additionally, the treated casing surfaces are water wet, thereby promoting optimal bonding to cement.
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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 COMPOSITIONS AND METHODS FOR COMPLETING SUBTERRANEAN WELLS
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