METHOD FOR TUBING STRING FIXING WITH ANCHOR IN WELLS OPERATED BY A ROD PUMP Russian patent published in 2021 - IPC E21B23/01 F04B47/02 

Abstract RU 2757842 C1

FIELD: earth drilling.

SUBSTANCE: invention relates to field of fixing tubing (TBG) in operational column operated by rod pumping units. Method for tubing fixing with anchor in wells operated by a rod pump includes: descent tubing (TBG) with a pump and anchor into the well at a specified interval. Tension by tubing longitudinal force with subsequent fixation in this position by an anchor. The longitudinal force on the tubing is created by unloading the rods by stopping plunger mounted on the column at the bottom of rod pump cylinder.

EFFECT: simplification of TBG tension process due to mechanical tension and hydraulic or mechanical installation of anchor in the well.

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RU 2 757 842 C1

Authors

Garifov Kamil Mansurovich

Kadyrov Albert Khamzeevich

Glukhoded Aleksandr Vladimirovich

Rakhmanov Ilgam Nukhovich

Balboshin Viktor Aleksandrovich

Dates

2021-10-21Published

2021-04-21Filed