VISCOELASTIC STRUCTURE FOR ISOLATION WORKS IN WELLS OF REFINED PAPER PRODUCTS AND POLYACRYLAMIDE ON BASIS OF FRESH WATER Russian patent published in 2017 - IPC E21B33/138 E21B43/32 

Abstract RU 2625128 C1

FIELD: oil and gas industry.

SUBSTANCE: proposed viscoelastic structure for isolation works in wells consists of refined paper products and polyacrylamide on basis of fresh water, contains, wt %: refined paper products (shredded waste paper) 15, polyacrylamide 5, water - the rest.

EFFECT: improving of the technological properties of the composition, increasing of the leakiness spacing reducing intake capacity effectiveness, reducing of the time required to prepare the composition before pumping into the well, and composition crosslinking in the formation.

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RU 2 625 128 C1

Authors

Timchenko Sergej Viktorovich

Dankin Yurij Petrovich

Dates

2017-07-11Published

2016-02-15Filed