COMPOSITIONS AND METHODS FOR COMPLETING SUBTERRANEAN WELLS

Hydroxyethylcellulose (HEG) may be used to provide fluid-loss control in well- cement slurries HECs that have a molecular weight above 600,000, a degree of substitution higher than 1.9 and a molar substitution above 2.0 are particularly useful in that they not only provide fluid-loss control, but al...

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Bibliographische Detailangaben
Hauptverfasser:	TERRIER, CYRIL, COUILLET, ISABELLE, ACHTAL, HAFIDA
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVES ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DYES LIME, MAGNESIA MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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