METHOD OF BOREHOLE CONDITIONING WITH COLLECTION OF PRODUCTIVE INTERVALS Russian patent published in 2010 - IPC E21B33/12 E21B43/26 

Abstract RU 2395667 C1

FIELD: oil and gas production.

SUBSTANCE: method involves the following stages: isolation assembly containing an extension pipe and a collection of swell packers surrounding the extension pipe at the preset distances; introduction of the isolation assembly in the borehole; enabled swelling of at least one of said collection of packers to isolate a zone of at least one of the collection of selected intervals; hydraulical connection with at least one of the collection of selected intervals; conditioning of at least one selected interval that involves perforation of said interval; introduction of the conditioned fluid in at least one selected interval through the extension pipe; compaction of selected interval.

EFFECT: higher efficiency of conditioning.

20 cl, 13 dwg

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RU 2 395 667 C1

Authors

Ist Lojd Eh. Ml.

Kurvill' Perri Uehjn

Altman Richard A.

Klehjton Robert

Dates

2010-07-27Published

2007-03-22Filed