CONTROL METHODS OF MATERIAL MIGRATION IN FORM OF PARTICLES IN UNDERGROUND FORMATION Russian patent published in 2011 - IPC E21B43/22 E21B43/26 C09K8/57 C09K8/94 

Abstract RU 2425966 C2

FIELD: oil and gas industry.

SUBSTANCE: treatment method of some portion of underground formation during preparation for operation of hydraulic formation fracturing involves: liquid supply for preliminary packing to some portion of underground formation including non-tight materials in the form of particles. At that, liquid for preliminary packing includes low-viscous water composition for increasing adhesive ability, which itself contains water compound to increase adhesive ability, and water fluid. At that, low-viscous water composition intended to increase adhesive ability has viscosity which is approximately less than 100 cP; liquid supply for hydraulic formation fracturing to some portion of underground formation at the pressure which is enough to create or enlarge at least one fracturing in it; activation of water compound to increase adhesive ability with activator in order to bind non-tight materials in the form of particles within the portion of underground formation.

EFFECT: combination of materials in the form of particles to bound elastic mass.

42 cl, 1 tbl, 14 ex

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RU 2 425 966 C2

Authors

Velton Tomas D.

Ngujen Filip D.

Bloch Mehtt'Ju E.

Dates

2011-08-10Published

2005-10-19Filed