FLUID FOR HYDRAULIC FRACTURING OF FORMATION Russian patent published in 2005 - IPC

Abstract RU 2257466 C1

FIELD: oil and gas production.

SUBSTANCE: fluid contains, wt %: industrial-grade powdered lignosulfonates 26.4-31.7, potassium chloride 4.9-5.9, aluminum sulfate 1.2-1.50, borax 0.4-0.5, formation water 40.3-44.7, and sweet water in proportion to formation water as 1:(1.98-1.99).

EFFECT: improved process parameters due to improved structurally mechanical properties of fluid, raised viscosity thereof, high sand-retention ability, and possibility of controlling lifetime without loss in high technological characteristics.

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RU 2 257 466 C1

Authors

Krysin N.I.

Soboleva T.I.

Krapivina T.N.

Chebukov G.I.

Dates

2005-07-27—Published

2004-02-20—Filed