Organic-inorganic hybrid fluid loss agent for oil well cement as well as preparation method and application of organic-inorganic hybrid fluid loss agent

The invention discloses a preparation method and application of an organic-inorganic hybrid fluid loss agent for oil well cement, and the preparation method comprises the following steps: adding 2-acrylamide-2-methylpropanesulfonic acid, an acrylamide monomer, a carboxylic acid monomer and sodium p-...

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Hauptverfasser:	LI PENGPENG, CHANG QINGLU, GUO JINTANG, HU MIAOMIAO, XING YUBING, ZHANG HANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator	LI PENGPENG CHANG QINGLU GUO JINTANG HU MIAOMIAO XING YUBING ZHANG HANG
description	The invention discloses a preparation method and application of an organic-inorganic hybrid fluid loss agent for oil well cement, and the preparation method comprises the following steps: adding 2-acrylamide-2-methylpropanesulfonic acid, an acrylamide monomer, a carboxylic acid monomer and sodium p-styrenesulfonate into distilled water, uniformly stirring at normal temperature, and adjusting the pH value; after an initiator is added, heating reaction is carried out, and the liquid anionic polymer fluid loss agent is obtained; and mixing the liquid anionic polymer fluid loss agent with magnesium-aluminum hydrotalcite, stirring at 65-75 DEG C for 6-8 hours, settling, washing with water, centrifuging, freeze-drying and grinding to obtain the organic-inorganic hybrid fluid loss agent for oil well cement. According to the invention, water is used as a dispersion medium, the preparation process is simple, the cost is low, the fluid loss agent can effectively reduce the fluid loss of cement slurry at a high temperat
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subjects	ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP
title	Organic-inorganic hybrid fluid loss agent for oil well cement as well as preparation method and application of organic-inorganic hybrid fluid loss agent
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