Method and apparatus for hydraulic treatment of a wellbore

Details Method and apparatus for hydraulic treatment of a wellbore Method and apparatus for hydraulic treatment of a wellbore

E - Fixed Constructions

21

B

E21B 43/25 (2006.01) E21B 33/124 (2006.01) E21B 37/02 (2006.01)

Patent

CA 2628802

A method and apparatus for applying hydraulic treatment and diversion treatment to a wellbore are described. The method involves isolating a wellbore segment using hydraulic seals; applying fluid treatment and perforation diverters within the isolated segment; and scraping a portion of the wellbore after termination of treatment to remove any lodged perforation diverters from the wellbore. A collection chamber may also be provided for collecting used diverters for return to surface following treatment. In one embodiment, diverters used and collected within a first segment may be reused during treatment of a successive wellbore segment.

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