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AssigneesChina Petroleum & Chemical Corporation, Sinopec Southwest Oil & Gas Company
InventorsZhenwei Gan, Bin Qi, Shunqu Hu, Zhimin Hou, Yongmao Lin, Tao Liu, Chen Chen, Lei Wang, Dan Hu, Jiang Qian
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A new sliding sleeve relates to the technical field of oil and gas well completion and reservoir stimulation, comprising an upper connector, a lower connector, an outer housing, an inner sleeve and a shear pin. 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, wherein at least two grooves for engaging with at least two corresponding tooth-shaped elements on a sliding sleeve opening tool are disposed along an axial direction in the inner sleeve, and wherein an erosion-resistant ring is embedded in the groove, and an inner diameter of the erosion-resistant ring is larger than or equal to an inner diameter of the inner sleeve.
A new sliding sleeve, comprising an upper connector, a lower connector, an outer housing, an inner sleeve and a shear pin,
Dependencies are inferred from the claim text.