DEVICE FOR INVESTIGATION OF WELLS

摘要

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 dwgt