FIELD: oil and gas industry. SUBSTANCE: plant includes inlet funnel with tail, packer with central passage and jet-type pump assembled on pipe string from beneath. Active nozzle and mixing chamber are mounted uniaxially if pump body. Plant also has passage to feed active medium, passage for medium discharged from well and stepped flow passage with location seat between steps, sealing unit moving along logging cable or wire above tip for connection of receiver-converter of physical fields and functional inserts ( blocking insert with through flow passage, depression inset with autonomous device and insert to record curves of restored formation pressure in space above packer in well with sampler, autonomous device and ultrasound emitter. EFFECT: enhanced functional reliability. 5 dwg
Authors
Dates
2003-06-20—Published
2002-02-22—Filed