BOREHOLE JET PLANT TO TEST SEAMS Russian patent published in 2001 - IPC

Abstract RU 2175413 C1

FIELD: jet equipment. SUBSTANCE: plant includes packer, tubing string with support that has overflow windows and carries jet-type pump installed in body. Body has duct to remove mixture of media, duct to feed evacuated medium and duct to supply ejecting medium. Sealing unit located in duct to feed evacuated medium is installed in body above jet- type pump. Sealing unit has flow duct to let cable with instruments and equipment pass and move along shaft of borehole. Sealing unit can have fixture shutting off flow duct, delivering and removing body with jet-type pump. Lower part of body of jet- type pump has threaded hole for connection to body of independent measurement equipment. Outer diameter D is at least 2.0 mm smaller than smallest inner diameter D1 of string of pipes. EFFECT: widened functional capabilities of plant. 2 dwg

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RU 2 175 413 C1

Authors

Khominets Zinovij Dmitrievich

Dates

2001-10-27Published

2000-10-25Filed