Packer in recycling oil well air drill
A technology of packer and oil well gas, which is applied in the direction of earthwork drilling and production, wellbore/well components, etc. It can solve the problems that the packer and connecting pipe string are not easy to recover, and achieve saving operation time, strong operability and simple structure Effect
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[0014] The present invention will be further described in detail below in conjunction with the accompanying drawings, but not as any limitation to the present invention.
[0015] The device of the present invention for recovering packers in oil well gas drills, as shown in the figure: includes an upper joint 1, a milling barrel 2 is connected to the lower end of the upper joint 1 through an external thread, and a grinding barrel 2 is provided at the lower end of the milling barrel 2 Milling device 10, the lower end of the upper joint 1 is connected with a connecting rod 3 through internal threads. The connecting rod 3 is provided with a water eye hole 11. The position of the water eye hole 11 corresponds to the position of the milling device 10, and a spear with a boss 12 is provided 6 is connected to the lower end of the connecting rod 3 by a thread and is provided with a fastening screw 4, a washer 13, a spring 5 and a slip 7 with a claw 14 are sequentially sleeved on the lanc...
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