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What is Bridge Plug Mechanism for Oil Wells about?

This patent from 1963 describes a bridge plug device used in oil wells. It consists of a cylindrical body with a deformable rubber packer mounted around it. Slip cones and slips are used to deform the packer radially outward until it seals against the casing wall. Brass balls are dropped down to wedge between a set cone and the casing, fixing the upper end of the packer and allowing the lower end to be pulled upward, shortening and deforming the packer into a sealing position. The simple design uses few par

Author

cheesewizz

Language

EN