Compensation sector cement knot logging instrument

The utility model discloses a compensation sector cement knot logging instrument relates to oil gas well surveying well equipment technical field. The utility model discloses the casing wave signal is received along the circumferencial direction equidistantly to receiving transducer by a plurality o...

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Bibliographische Detailangaben
Hauptverfasser:	SUN WEI, ZHANG XIONGHUI, TIAN XIAOQIANG, LIU YANG, DENG FANGQING, YIN GUOPING, CHEN JIAHENG, LIANG DALI
Format:	Patent
Sprache:	chi ; 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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