METHOD FOR TREATMENT OF FACE-ADJACENT AREA OF PRODUCTIVE BED Russian patent published in 2004 - IPC

Abstract RU 2241829 C1

FIELD: oil extractive industry.

SUBSTANCE: method includes lowering tubing pipes to face. Before pumping treating compound well liquid is replaced with hydrocarbon liquid, for example, water-less oil. Treating compound is pumped and partially pushed into bed. Level of hydrocarbon liquid in well shaft is lowered down to mark at which bed pressure is in 1.5-2 times greater than face pressure. Under such conditions implosive treatment is performed. Then tubing pipes are raised to surface, ultrasound waves emitter is lowered and ultrasound treatment of face-adjacent bed area is performed range-wise in upward direction at each meter of perforated bed thickness. Method may be used in deposits with low and normal bed pressures, in wells with bad collector properties of face-adjacent bed area, and for completing wells completed by drilling and after maintenance.

EFFECT: higher productiveness.

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RU 2 241 829 C1

Authors

Orlov G.A.

Orlov E.G.

Grubov A.I.

Mal'Tsev B.I.

Dates

2004-12-10Published

2003-05-23Filed