Method and device for obtaining state of oil well collapse

The invention provides a method and device for obtaining the state of oil well collapse. The method includes the steps that fluid injecting well mouth pressure of an oil well is obtained; whether or not the fluid injecting well mouth pressure and fluid injecting time meet preset conditions is judged...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIAO FAMING, WANG MING, CHEN WENLONG
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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