TUBING ROTATOR REDUCES TUBING WEAR IN ROD PUMPED WELLS

04/04/1994
Marc Graham Mobil Exploration & Producing U.S. Midland, Tex. Charlie Brown Bock Specialties Inc. Arlington, Tex. Installation of tubing rotators has decreased tubing failures in West Texas waterflood sucker-rod pumped wells. Pumping unit movement powers the rotator system, turning the tubing string at about 1 revolution/day. The rotator System has both surface and subsurface components (Fig. 1). A reduction gear box attached to the walking beam converts the pumping unit's reciprocating strokes into rotary motion. A drive line transfers this rotary motion to a gear-driven suspension mandrel in the rotating tubing hanger. ...
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