METHOD FOR TREATING BOTTOM-HOLE ZONE OF BED Russian patent published in 1998 - IPC

Abstract RU 2108452 C1

FIELD: oil production industry. SUBSTANCE: this relates to treating bottom-hole zone of oil beds with application of ultrasonic generators. Improved efficiency of aforesaid treatment is achieved due to additional hydrodynamic and physico-chemical action of treating compound upon oil bed. According to method, pipes are lowered down to bottom-hole and treating compound is injected through them. After that, pipes are lifted to ground surface. Ultrasonic wave emitter is located against oil bed interval being treated. Treatment of bed by ultrasound is effected in medium of aforesaid compound. Prior to treatment, undertaken is perforation of casing string within interval of productive bed in medium of treating compound. Ultrasonic treatment is carried out at delivery of treating compound into oil bed, and then at delivery of treating compound from oil bed to well. EFFECT: higher efficiency. 1 tbl

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RU 2 108 452 C1

Authors

Orlov G.A.

Musabirov M.Kh.

Khusainov V.M.

Grubov A.I.

Dates

1998-04-10—Published

1996-05-06—Filed