Electro-hydraulic integrated switch and application thereof

• Main Authors: REN CONGKUN, SHI QIONG, ZENG FANCHUN, WANG XIN, LIU YANXIA, HUANG HUICAI, ZHANG JIAN, CAI ZENGTIAN, ZHOU JINGCAI, GU GUOLI, GAO FENG
• Format: Patent
• Language: Chinese; English
• Published: 13.05.2022
• Subjects: 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

The invention relates to a device for layered exploitation of an oil well, in particular to an electro-hydraulic integrated switch and application thereof. The electro-hydraulic integrated switch comprises a lower connector, a spring seat, a lower spring, a bearing, a track fixing sleeve, a track pin, a track sleeve, a lower connecting sleeve, a rubber ring 1, a copper ring, polytetrafluoroethylene, a rubber ring 2, a middle connecting sleeve, an oil extraction outer hole, a sliding sleeve, an upper connecting sleeve, an inner connecting rod, a gasket, an upper spring, an outer sleeve, a piston, an upper connector, a baffle ring, a hydraulic control connector, a variable center sleeve 1, a quick connector 1 and a connecting short section 1. The device comprises a large screwed plug, a supporting sleeve, a small screwed plug, a sealing system, a mandrel, a body, a pin, a motor, a control circuit board, a cable connector, a connecting short section 2, a quick connector 2 and a variable center sleeve 2. Accordin