In the daily production management of oil production, the sucker rod must be rotated manually. In the previous operation, after using the square clip to unload, mark the rotation mark, clamp the screw cap on the square c…

Reciprocating rod lift has always been the main artificial lift method for onshore oil wells, and has a history of nearly a century, which helps to maintain the production of marginal oil wells for as long as possible ec…

In order to solve the problems of eccentric wear of sucker rods, people invented sucker rod rotators to avoid premature wear and use of sucker rods. But the sucker rod rotator has long been a mechanical device operated b…

As the oilfield gradually enters the middle and late stages of development, the problem of eccentric wear of rod and tube in rod pump wells has become increasingly prominent. Sucker rods and tubing with eccentric wear of…