Double-acting underground water injection sliding sleeve

• Main Authors: HE JING, SONG LIPING, GAI WENCHEN, REN WEI, QIAO YAKUN, FENG XIAOBING, LI DONG, LI LIBIAO, YANG LIU, SUN PENG, FU KELIN, LI DINGXIANG
• Format: Patent
• Language: Chinese; English
• Published: 09.02.2024
• 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 belongs to the technical field of oil exploitation, and discloses a double-acting underground water injection sliding sleeve which comprises a body, shear pin holes and pressure relief openings are distributed on the side wall of the body in an axial symmetry mode, a sliding sleeve body is placed on the inner side of a clamping edge in the middle of the body, the sliding sleeve body is fixed through shear pins, and the shear pin holes are communicated with the pressure relief openings. The upper end sealing ball is placed on the upper portion of the sliding sleeve and the upper portion of the body, the lower end sealing ball is placed between the sliding sleeve and the ball blocking plate, and the ball blocking plate is installed on the tail portion of the body. The utility model relates to a tool for replacing a water injection sliding sleeve of a single ball and a seat on a pipe column, which is used for providing an overflowing channel for oil sleeve communication in operations such as se