DOWN-HOLE JET EQUIPMENT FOR LOGGING AND DEVELOPMENT OF HORIZONTAL WELLS
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United States of America Patent
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N/A
Issued Date -
May 31, 2012
app pub date -
Apr 23, 2010
filing date -
Jun 9, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Jet-pumping techniques for wells comprises mounting a logging tool, sealing member and jet pump on a flexible smooth tube. The pump contains nozzle and mixing chamber with diffuser with outlet connected to a tube cavity, nozzle inlet connected to space outside the tube. The tube is movable within a packer tubing string. Packer through channel diameter D1 is at least 12 mm smaller than the inside tubes diameter D2. A tube closing ball crane is provided between the pump and the member. The cylindrical body member is filled with elastic liners with bearing washers and top bearing pusher member. An insert with flange and mobile ring attaches below the body, a sleeve is provided between mobile ring and body . The flange diameter
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