Global Patent Index - EP 3088656 A1

EP 3088656 A1 20161102 - DOWNHOLE COMPRESSOR

Title (en)

DOWNHOLE COMPRESSOR

Title (de)

BOHRLOCHKOMPRESSOR

Title (fr)

COMPRESSEUR DE FOND DE TROU

Publication

EP 3088656 A1 20161102 (EN)

Application

EP 16159927 A 20160311

Priority

JP 2015054152 A 20150318

Abstract (en)

A downhole compressor 1 includes: a casing disposed inside a gas well; a rotor 2 built inside the casing; and an impeller 3 disposed at the rotor 2, and an electromagnetic control unit that electromagnetically controls a relative position of the rotor 2 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)

Citation (applicant)

US 7338262 B2 20080304 - GOZDAWA RICHARD JULIUS [GB]

Citation (search report)

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

Designated extension state (EPC)

BA ME

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