Arrangement for patching off troublesome zones in a well

Details Arrangement for patching off troublesome zones in a well Arrangement for patching off troublesome zones in a well

E - Fixed Constructions

21

B

166/16

E21B 33/13 (2006.01) E21B 43/10 (2006.01)

Patent

CA 2006931

The arrangement for patching off troublesome zones in a well comprises a string of profile pipes with cylindrical portions at its ends, and a device for set- ting the string of profile pipes in a well, mounted for longitudinal reciprocation inside the string of profile pipes. Said device includes a reamer of the cylindrical portions of the profile pipes, positionable inside the uppermost cylindrical portion of the string of profile pipes rigidly connected with an expander positionable above the string of profile pipes and having a housing with expanding elements mounted thereon.

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