The function and application of the packer

The function and application of the packer

An expert in the field of packers - Suzhou BangGuan Automation Co., LTD. will introduce the function and application of packers to you today.
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When it is necessary to pack the tubing and the casing of the oil and gas well or the annular space of the open-hole well wall, connect the packer on the downhole pipe string, and after reaching the design depth, the packer on the packer is driven by hydraulic Expansion packer casing annulus. Different types of packers have different activation methods and deblocking methods.

After the hydraulic expansion packer goes down to the design depth, it is pressurized from the oil pipe, and the high-pressure liquid acts on the inner cavity of the rubber cylinder through the pressure transmission pores inside the packer. Under the action of the throttling pressure difference, the rubber cylinder expands and seals. The oil jacket is annulus. When the oil pressure is released and the pressure of the oil jacket is balanced, the rubber cylinder shrinks back to its original state by its own resilience to achieve unsealing.