DEVELOPMENT METHOD OF NON-HOMOGENEOUS OIL FORMATION Russian patent published in 2015 - IPC E21B43/22 C09K8/584 

Abstract RU 2541973 C1

FIELD: oil and gas industry.

SUBSTANCE: in the development method of a non-homogeneous oil formation that includes injection to the formation of an aqueous solution of polyacrylamide (PAA), chrome acetate and magnesium oxide, the solution contains additionally a glass or basalt reinforcing microfiber pretreated by a 1-5% aqueous solution of AF9-6 or AF9-12 or constructional reinforcing microfiber (CRF) with the following concentration of components in the solution, wt %: PAA 0.3-1.0, chrome acetate 0.03-0.1, magnesium oxide 0.015-0.07, the above fibre 0.1-0.5.

EFFECT: increased efficiency of the method.

1 dwg, 2 tbl, 1 ex

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RU 2 541 973 C1

Authors

Ibatullin Ravil' Rustamovich

Amerkhanov Marat Inkilapovich

Beregovoj Anton Nikolaevich

Rakhimova Shaura Gazim'Janovna

Vasil'Ev Ehduard Petrovich

Khisamov Rais Salikhovich

Fajzullin Ilfat Nagimovich

Farkhutdinov Gumar Naufalovich

Dates

2015-02-20Published

2014-03-18Filed