Hydraulic setting type cement squeezing drillable packer
The utility model relates to a hydraulic setting type cement squeezing drillable packer, which comprises a tubular column, a mandrel, an upper joint, an upper slip, an upper cone, an upper back ring, a rubber sleeve, a lower back ring, a lower cone, a lower slip, a piston mechanism, a guide valve bo...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to a hydraulic setting type cement squeezing drillable packer, which comprises a tubular column, a mandrel, an upper joint, an upper slip, an upper cone, an upper back ring, a rubber sleeve, a lower back ring, a lower cone, a lower slip, a piston mechanism, a guide valve body, a sealing slide valve, a setting ball and a plug. The packer can be connected with an oil pipe, a drill rod or a continuous oil pipe, can be tripped into a horizontal well, a highly-deviated well or a vertical well, can transmit torque in the tripping-in process, is high in resistance, is opened in the tripping-in process, is automatically communicated with a cement squeezing hole channel, does not need to be filled with liquid while being tripped, is provided with a piston mechanism and hydraulic setting, and can realize setting of the packer without lifting or rotating a tubular column; the packer is anchored in two directions, and the pressure bearing capacity is high. According to the utility model, the lar |
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