Expandable plugging agent and preparation method thereof, micro-capsule plugging agent, water-based drilling fluid, and use thereof

Expandable plugging agent and preparation method thereof, micro-capsule plugging agent, water-based drilling fluid, and use thereof

An expandable plugging agent is described. The expandable plugging agent is obtained through a polymerization reaction of acrylamide, a strength improving material, an acrylate, and gelatinized colloid, the acrylate is obtained through a neutralization reaction of an acidity neutralizer and acrylic...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Luo, Pingya, Cheng, Yan, Li, Guojun, Bai, Yang, Jiang, Guancheng, Deng, Jiading, Sun, Jinsheng
Format: Patent
Sprache:eng
Schlagworte:
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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Beschreibung
Zusammenfassung:An expandable plugging agent is described. The expandable plugging agent is obtained through a polymerization reaction of acrylamide, a strength improving material, an acrylate, and gelatinized colloid, the acrylate is obtained through a neutralization reaction of an acidity neutralizer and acrylic acid, and the gelatinized colloid is obtained through a gelatinization reaction of starch in deionized water.