Coagulation composite sealing agent

The invention discloses a coagulation composite sealing agent, which comprises components in percentage by weight: sodium silicate 3-6, potassium silicate 2-4, magnesium oxide 10-20, calcium carbonate 20-30, shell powder 15-30 and calcium oxide 5-10, which are evenly mixed and stirred under normal t...

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Bibliographische Detailangaben
Hauptverfasser: SUI CAIYUN, GE LEI, LIU JUN, SUI SHENGLI, YU JIBIN, SUI YUEHUA, ZHANG SHUAI, LIU QUANJIANG, LI ZHANGQI, GUAN FANG, CHENG XIAOHUA
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention discloses a coagulation composite sealing agent, which comprises components in percentage by weight: sodium silicate 3-6, potassium silicate 2-4, magnesium oxide 10-20, calcium carbonate 20-30, shell powder 15-30 and calcium oxide 5-10, which are evenly mixed and stirred under normal temperature and pressure. The invention is characterized by repairing and coagulating fractures, notbearing the pressure of leakage stratum well walls, being capable of freely pumping, forming concretion substances coagulated on easy broken well walls of leakage channels and leakage fractures and the like. The sealing agent is extensively applicable to petroleum and geology boring projects, in particular to application in bearing and leak-stopping processes of low-voltage brokenness stratums, reef limestone stratums and fracture stratums.