DEVICE FOR INVESTIGATION OF WELLS Russian patent published in 1998 - IPC

Abstract RU 2108458 C1

FIELD: oil and gas production industry. SUBSTANCE: this relates to investigation of producing wells, and particularly to investigation of horizontal wells. Device is additionally provided with pipe string secured above flow rate meter. Pipe string at its upper end has inlet hole with cover, and at lower end it has drain hole with non-return valve. Presence of pipe string allows for subjecting deposit bed to multiple treatment. EFFECT: higher efficiency. 1 dwg

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RU 2 108 458 C1

Authors

Chesnokov V.A.

Dates

1998-04-10—Published

1996-04-18—Filed