RPBS safety joint is a safety tool, which can reduce the harm of downhole accidents, reduce the workload of accident handling, improve the operation efficiency, and save a lot of manpower and material costs.
The RPBS safety joint is connected to the tool that is easy to get stuck when in use. The tool can bear the effects of tension, pressure and torque when in normal use. When the tool is in normal use, the shear pin needs to bear the weight of the lower pipe string, so it should select and install the appropriate number of shear pins according to the weight of the lower pipe string.
When the lower part of the string is stuck and needs to be buckled, it is only necessary to lift the string, cut off the shear pin, and maintain a sufficient lifting force (about 20t) to compress the disc spring group. The anti rotation shear pin is completely separated from the U-shaped groove, and continue to maintain the lifting force. Rotate the string right, and the tool is about 11.5 turns underground to complete the string release.
The rpbs safety joint is especially suitable for the operation of deep wells, ultra deep wells and oil and gas wells with large well deviation due to its simple reverse operation.

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