Water controlling current limiting device

The invention provides a water controlling current limiting device. The water controlling current limiting device comprises a base tube, an outer sheath, an adaptive controller and a flow controller. The tube wall of the base tube is provided with oil overflow grooves and a water overflow hole, the...

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Bibliographische Detailangaben
Hauptverfasser:	LEI CHENGHAN, LIN DECHUN, YI HUIAN, TANG SHAOPENG, SONG YANG, LIU MIAOREN, MENG XIANGQIN, LI WENFEI, YI QIZUN, CHEN SHANYIN, LI BOREN
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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Beschreibung
Zusammenfassung:	The invention provides a water controlling current limiting device. The water controlling current limiting device comprises a base tube, an outer sheath, an adaptive controller and a flow controller. The tube wall of the base tube is provided with oil overflow grooves and a water overflow hole, the oil overflow grooves are close to the inlet end of the base tube, and the water overflow hole is close to the outlet end of the base tube. The base tube is sleeved with the outer sheath, the outer sheath and the base tube are coaxially arranged, an annular space is arranged between the outer sheath and the base tube, and the front end of the outer sheath is provided with a double-layer type sand filter groove and an anti-sand filter net. The adaptive controller corresponds to the oil overflow groove and the water overflow hole and is arranged in the annular space, provided with an oil flow channel and a water flow channel to control oil and water in a flow diverting mode and provided with an initial position and a