Patent ID: 11885201
Assignee: SINOPEC SOUTHWEST OIL & GAS COMPANY
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. A new sliding sleeve, comprising an upper connector, a lower connector, an outer housing, an inner sleeve and a shear pin,
wherein the upper connector and the lower connector are respectively connected to two ends of the outer housing, and the inner sleeve is locked in the outer housing via the shear pin;
wherein a flow guiding hole is provided in the outer housing, and the inner sleeve can open or close the flow guiding hole; and
wherein at least one groove for engaging with at least one corresponding tooth-shaped element on a sliding sleeve opening tool is disposed along an axial direction in the inner sleeve, and an erosion-resistant ring is embedded in the groove, with an inner diameter of the erosion- resistant ring being larger than or equal to an inner diameter of the inner sleeve.