Well Cementing Method for Improving Well Cementing Quality by Controlling Hydration Heat of Cement Slurry

A well cementing method is described for improving cementing quality by controlling the hydration heat of cement slurry. By controlling the degree and/or rate of hydration heat release from cement slurry, the method improves the hydration heat release during formation of cement with curing of cement...

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Bibliographische Detailangaben
Hauptverfasser:	Zheng, Youcheng, Lyu, Bin, Zheng, Youzhi, Yuan, Jinping, Zhang, Hua, Li, Wei, Jin, Jianzhou, Feng, Yusi, Qi, Fengzhong, Zhou, Chongfeng, Yu, Yongjin, Ding, Zhiwei, Guo, Yuchao, Li, Yong, Xu, Ming, Shen, Jiyun, Xia, Xiujian, Liu, Huiting, Yue, Hong, Liu, Shuoqiong, Zhang, Chi, Qu, Congfeng, Liu, Zishuai, Huang, Zhao, Ji, Hongfei, Ma, Yong
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS 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
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Beschreibung
Zusammenfassung:	A well cementing method is described for improving cementing quality by controlling the hydration heat of cement slurry. By controlling the degree and/or rate of hydration heat release from cement slurry, the method improves the hydration heat release during formation of cement with curing of cement slurry, improves the binding quality between the cement and the interfaces, and in turn improves the cementing quality at the open hole section and/or the overlap section. The cementing method improves cementing quality of oil and gas wells and reduces the risk of annular pressure.