DEVICE FOR MAKING AND BRAKING OF SUCKER RODS Russian patent published in 2003 - IPC

Abstract RU 2204010 C2

FIELD: oil and gas producing industry, particularly, technology of round trip operations of tubing in combination with sucker rods. SUBSTANCE: sucker rod grapple has turning external bushing with rigidly connected internal centralizer. Grapple is located on section between back up tongs and external protrusions. Turning external bushing and internal centralizer have open mouth for sucker rod and installed for locking of turn relative to sucker rod grapple. External projections of sucker rod grapple are made self-adjusting relative to post recesses. Drive of sucker rod rotation is used in the form of suspended tubing tongs with hydraulic motor and provided with replaceable movable and fixed jaws. Jaw catching part is made for receiving sucker rod square. Device provides for simplicity, reliability and versatility of equipment applicable in round trip operations of tubing in combination with sucker rods. EFFECT: higher labor productivity. 5 dwg

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RU 2 204 010 C2

Authors

Zaljatov M.Sh.

Kurmashov A.A.

Rajanov M.M.

Kljuev S.I.

Pozdeev A.S.

Turanin S.Ju.

Dates

2003-05-10Published

2001-03-27Filed