Inner tube method well cementation process

The invention relates to an inner tube method well cementation process and belongs to the technical field of well completion and well cementation of oil and mine drilling engineering. Aiming at eliminating the risk that an inner tube is easy to cement in the prior art and reducing the well cementati...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	AN WENLONG, ZHOU ZHANYUN, MA XIAOLONG, CHEN DAOYUAN, GENG ZISHENG, WAN XICHAO, JU LING, YAO PINGJUN
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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