Composite material structure, rubber sleeve manufacturing method, rubber sleeve, packer and bridge plug
A composite material and rubber cartridge technology, applied in the field of materials, can solve the problems affecting the long-term sealing effect of the rubber cylinder, unable to play a sealing role, and the rubber cylinder loses elasticity, etc., and achieves good high temperature resistance, reduced hardness, and easy compression. Effect
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[0058] The directions "up" and "down" described below are based on figure 2 described as a reference.
[0059] like figure 1 The compression packer 200 is shown with the cartridge 10 of the present application. The compression packer 200 is connected to the base pipe 30 and placed in the casing 40 . The compression packer 200 needs to separate different oil layers and water layers in the wellbore and withstand a certain pressure difference. Get out smoothly.
[0060] like figure 2 As shown, the rubber cartridge 10 is located in the annular space formed by the sleeve 40 and the central tube 30, and the rigid spacer ring 50 provides the first axial pressure F from top to bottom (ie, the first axial direction A) in the axial direction. 1 , in other embodiments, the rigid spacer ring 50 can also be removed and the first axial pressure F can be applied to the rubber cartridge 10 1 other components instead. like figure 2 As shown, the two ends of the rubber cartridge 10 a...
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