Flexible composite manages water injection string in pit

• Main Authors: WANG WEI, WEI XIANGJUN, JU YAFENG, HU GAIXING, YANG LINGZHI, HE RUXIAN, SHEN XIAOLI, WANG SHOUHU, WANG XIAO'E, PANG JIE, WANG JUNTAO
• Format: Patent
• Language: Chinese; English
• Published: 08.03.2017
• 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 provides a flexible composite manages water injection string in pit, including flexible composite oil pipe, packer, flexible composite oil pipe are equipped with the steel pipe outward, the intraductal hydraulic pressure passageway that be of this steel, and the flexible composite pipe of flexible composite oil pipe and steel nest of tubes banding hydraulic pressure passageway, the packer is equipped with pair passageway, and vice passageway and hydraulic pressure passageway communicate with each other, the hydraulic pressure passageway is parallel with the central passage in the flexible composite oil pipe, takes the flexible composite pipe upper end of hydraulic pressure passageway to be connected with the lifting sub, and the lower extreme is connected with the packer, and the lower extreme of packer even has the connection nipple joint, and connection nipple joint lower extreme connects gradually and presets seating nipple, water injection sliding sleeve and plug. The utility model discl