Method and apparatus for sealing the juncture between a...

Details Method and apparatus for sealing the juncture between a... Method and apparatus for sealing the juncture between a...

E - Fixed Constructions

21

B

E21B 17/08 (2006.01) E21B 7/06 (2006.01) E21B 29/10 (2006.01) E21B 33/00 (2006.01) E21B 33/14 (2006.01) E21B 41/00 (2006.01) E21B 43/00 (2006.01) E21B 43/10 (2006.01)

Patent

CA 2120485

In accordance with the present invention; a plurality of methods and devices are provided for solving important and serious problems posed by lateral (and especially multilateral) completion in a wellbore including methods and devices, for sealing the junction (154') between a vertical and a lateral well: Several methods are disclosed which utilize a novel guide (148') or mandrel which includes side pockets for directing liners into a lateral wellbore. Other methods include the use of extendable tubing and deflector devices which aid in the sealing process.

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