Layering is transferred and is driven tubular column

• Main Authors: LIU NING, GAO GUANGBO, XU MENGCHEN, CHEN XIAOKAI, WANG JIALIN, XU XIBAO, ZENG SHUANGHONG, CHEN CHONGBIN, LI SHUANGYU, SHEN LI, WEI JINGAN
• Format: Patent
• Language: Chinese; English
• Published: 01.09.2017
• 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 utility model discloses a layering is transferred and is driven tubular column, include: the sleeve pipe, the cover intraduct is equipped with oil pipe, the inside sky core rod that is equipped with of oil pipe, the sleeve pipe with oil sleeve annulus sky between the oil pipe is equipped with two reverse well washing packers of arranging from top to bottom, oil pipe is two be provided with the water injection mandrel between the reverse well washing packer, oil pipe's bottom is provided with the ball seat that can be struck off, empty core rod passes the ball seat with the ball seat below communicates with each other, oil pipe with the beam hanger annular space has between the empty core rod, injection device, its respectively with oil sleeve annulus is empty, the beam hanger annular space and empty core rod's inside is linked together. The utility model provides a layering is transferred and is driven tubular column can realize layered injection, layering and transfer and drive. 本实用新型公开种分层调驱管柱，包括：套管；所述套管