COILED BOND CONNECTOR AND METHOD FOR TUBING ENCAPSULATED CABLE Russian patent published in 2021 - IPC E21B19/22 

Abstract RU 2747605 C2

FIELD: drilling tools.

SUBSTANCE: invention relates to the field of electric submersible pumps (hereinafter – ESP) used in underground wells. To implement the method of extracting an electric submersible pump (ESP), installed at the end of the coiled tubing encapsulated cable (hereinafter – TEC), from the well, the free end of the TEC, passing over the ground end of the well, is opened. The longitudinal extender of the non-hollow bond connector is inserted into the free end of the TEC tube. The TEC is crimped into the crimp grooves in the non-hollow bond connector. The TEC with the ESP attached to it is pulled by means of extraction the TEC and the non-hollow bond connector to the winch until the ESP is positioned above the wellhead at the upper end of the well.

EFFECT: increased efficiency of extracting the electric submersible pump from the well without the need to close or “kill” the well.

15 cl, 10 dwg

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RU 2 747 605 C2

Authors

Kochren, Dzhejmi

Makkenn, Richard

Dates

2021-05-11Published

2017-11-17Filed