Plug-in type injection-production integrated tubular column

• Main Authors: WANG LEI, ZHANG TINGTING, LIANG ZHIYAN, LI YIFENG, TANG ZHAOXING, HUANG MINGLIANG, LIU MOUWEI, WEI HONGYANG, WU WENMING, LI XINCHEN, CAI LU
• Format: Patent
• Language: Chinese; English
• Published: 18.02.2022
• 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 utility model relates to a plug-in type injection-production integrated tubular column, which comprises a mechanical pumping tubular column combination and an injection tubular column combination which can be combined together in a plug-in manner, the injection tubular column combination is provided with a packer, the packer is connected with a sleeve, and the packer is connected with the sleeve during mechanical pumping operation and water and gas injection operation. The mechanical pumping pipe column combination and the injection pipe column combination are vertically spliced and combined together, and during maintenance operation, the splicing combination of the mechanical pumping pipe column combination and the injection pipe column combination is separated. According to the pipe column, water injection and gas injection operation can be carried out at the same time when a sucker-rod pump is produced, the pumping pipe column can be pulled out to be overhauled and maintained under the condition that a