NONSHRINKING LIGHTENED OIL-WELL CEMENT

FIELD: oil and gas industry, well cementing under intricate geological conditions. SUBSTANCE: nonshrinking lightened oil-well cement contains clinker, gypsum, bergmeal, sintered dust of cement production and salt NaCl with following proportion of components, mas.%: clinker, 55.0; gypsum, 5.0; bergme...

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Bibliographische Detailangaben
Hauptverfasser:	BERG JU.A, MJAZHITOV R.S, KARIMOV I.N, SHAMSIEV R.A, NIKITIN S.V, KARIMOV N.KH, ALIBAEV I.A, AKCHURIN KH.I
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DYES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS LIME, MAGNESIA MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MINING MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PAINTS POLISHES REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	FIELD: oil and gas industry, well cementing under intricate geological conditions. SUBSTANCE: nonshrinking lightened oil-well cement contains clinker, gypsum, bergmeal, sintered dust of cement production and salt NaCl with following proportion of components, mas.%: clinker, 55.0; gypsum, 5.0; bergmeal, 30.0; sintered dust, 9.5-9.8; salt NaCl, 0.2-05. EFFECT: increased strength and provision for nonshrinkage for qualitative cementing of casing strings in oil and gas wells. 2 tbl