EP 3844368 A1 20210707 - HELICO-AXIAL SUBMERSIBLE PUMP
Title (en)
HELICO-AXIAL SUBMERSIBLE PUMP
Title (de)
HELIKOAXIALE TAUCHPUMPE
Title (fr)
POMPE SUBMERSIBLE HÉLICO-AXIALE
Publication
Application
Priority
- US 201816115159 A 20180828
- US 2019048327 W 20190827
Abstract (en)
[origin: US2020072226A1] An electrical submersible pump (ESP) having a helico-axial centrifugal pump to lift fluid from a wellbore, and a submersible permanent magnet motor (PMM) to drive the helico-axial centrifugal pump.
IPC 8 full level
E21B 43/12 (2006.01)
CPC (source: EP US)
E21B 43/128 (2013.01 - EP US); F04D 1/04 (2013.01 - EP); F04D 13/086 (2013.01 - US); F04D 13/10 (2013.01 - EP); F04D 31/00 (2013.01 - EP US); F04B 47/08 (2013.01 - US)
Citation (search report)
See references of WO 2020046922A1
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 2020072226 A1 20200305; EP 3844368 A1 20210707; WO 2020046922 A1 20200305
DOCDB simple family (application)
US 201816115159 A 20180828; EP 19765911 A 20190827; US 2019048327 W 20190827