What’s new in artificial lift ///

Continuing our annual artificial lift roundup, this part features more advances in sucker rod pumps, including a small, low-profile unit and a very high-strength sucker rod. A sucker rod service unit is also featured, as one can only go so long between the necessary rod servicing jobs. A rodless, cable-operated pump is also described. Also featured are new progressive cavity pump designs and a new elastomer for PCPs, as well as a new high-temperature series of PCPs; an RF device that claims to remove scale, even barium sulfate; a downhole gas separator; and seven advances in gas lift, both as an oil producing method and as a gas well deliquification method.

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