EP 3088656 B1 20180117 - DOWNHOLE COMPRESSOR
Title (en)
DOWNHOLE COMPRESSOR
Title (de)
BOHRLOCHKOMPRESSOR
Title (fr)
COMPRESSEUR DE FOND DE TROU
Publication
Application
Priority
JP 2015054152 A 20150318
Abstract (en)
[origin: US2016273324A1] A downhole compressor includes: a casing disposed inside a gas well; a rotor built inside the casing; and an impeller disposed at the rotor, and an electromagnetic control unit that electromagnetically controls a relative position of the rotor inside the casing is provided.
IPC 8 full level
E21B 43/12 (2006.01); F04D 25/06 (2006.01); F04D 29/058 (2006.01)
CPC (source: EP US)
E21B 43/128 (2013.01 - EP US); F04D 25/0606 (2013.01 - EP US); F04D 29/0516 (2013.01 - EP US); F04D 29/058 (2013.01 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
US 2016273324 A1 20160922; EP 3088656 A1 20161102; EP 3088656 B1 20180117; JP 2016173084 A 20160929; JP 6389785 B2 20180912
DOCDB simple family (application)
US 201615053274 A 20160225; EP 16159927 A 20160311; JP 2015054152 A 20150318