COMPOSITION FOR RAISING THE FORMATION OIL RECOVERY AND METHOD OF ITS PREPARATION Russian patent published in 1997 - IPC

Abstract RU 2078915 C1

FIELD: oil producing industry, particular, compositions for raising oil recovery due to isolation of highly washed sections of formation, particular, biocide compositions and methods of their preparation. SUBSTANCE: composition for raising of formation oil recovery containing alkyl derivatives of hexamethylene tetramine chloride and water additionally has bottoms of production of synthetic glycerol - POLYGLYCEROLS with the following quantities of components, mas. %: alkyl derivatives of hexamethylene tertramine chloride 0.02-0.10; bottoms of production of synthetic glycerol - POLYGLYCEROLS 0.02-0.20; water 99.70-99.96. The method of preparation of the composition for raising formation oil recovery includes dilution with water of commercial alkyl derivatives of hexamethylene tetramine chloride, with preliminary mixing of commercial alkyl derivatives of hexamethylene tetramine chloride with bottoms of production of synthetic glycerol - POLYGLYCEROLS in mass ratio of (30-70)-(70-30) and dilution of the obtained mixture with water. The offered composition and method of its preparation are efficient and adaptable for preparation at temperatures down to minus 47 C, i.e., with no season limitation under conditions of West Siberia. EFFECT: higher efficiency of the composition due to increased sweep of formation waterflooding. 2 cl, 3 dwg

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RU 2 078 915 C1

Authors

Khisamutdinov N.I.

Potapov A.M.

Telin A.G.

Ismagilov T.A.

Igdavletova M.Z.

Dates

1997-05-10Published

1995-04-18Filed