Method and apparatus for testing and treatment of a...

Details Method and apparatus for testing and treatment of a... Method and apparatus for testing and treatment of a...

2007-05-15

2007-05-15

Bagnell, David (Department: 3672)

Wells

Processes

With indicating, testing, measuring or locating

C166S305100, C166S113000, C166S066000

Reexamination Certificate

active

10839443

ABSTRACT:
A method and apparatus is used to test and/or treat individual production zones of a well in conjunction with a conventional coiled tubing unit. This method and apparatus allows testing and treatment of a well with production tubing in place. The return flowpath for formation fluids and/or treatment fluids is through the annulus between the coiled tubing and the production tubing. The preferred embodiment uses straddle packers, but alternative embodiments may use only a single inflatable packer.

REFERENCES:
patent: 4590998 (1986-05-01), Hopper
patent: 4605076 (1986-08-01), Goodhart
patent: 5287741 (1994-02-01), Schultz et al.
patent: 6116340 (2000-09-01), Wilson et al.
patent: 6497290 (2002-12-01), Misselbrook et al.

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