| 摘要 |
The invention describes a torque anchor for use with progressive cavity pump s (PC Pumps) for preventing rotation of the PC Pumps and any related tool string a nd tubing within a wellbore. The torque anchor includes at least one fixed rigid slip and one pivotable slip that in combination enhance the ability of the torque anchor to remain centered within wellbore casing and provide space between the torque anchor and wellbore casing for other tubing and/or other cabling or instruments to be r un within the well and/or facilitate the passage of sand and other substances indigenous t o many well formations past the torque anchor.
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