EP 2313608 A2 20110427 - LIQUID ROD PUMP
Title (en)
LIQUID ROD PUMP
Title (de)
FLÜSSIGKEITSSTANGENPUMPE
Title (fr)
POMPE AUXILIAIRE DE LIQUIDE
Publication
Application
Priority
- US 2009049176 W 20090630
- US 13337308 P 20080630
Abstract (en)
[origin: CA2728801A1] The present invention comprises a downhole unit that includes at least one plunger and that uses a power fluid to recover production fluid from a well.
IPC 8 full level
E21B 43/12 (2006.01); E21B 43/38 (2006.01); F04B 15/00 (2006.01); F04B 47/02 (2006.01)
CPC (source: EP US)
E21B 43/129 (2013.01 - EP US); F04B 15/00 (2013.01 - EP); F04B 47/02 (2013.01 - EP)
Designated contracting state (EPC)
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 SE SI SK TR
Designated extension state (EPC)
AL BA RS
DOCDB simple family (publication)
CA 2728801 A1 20100107; CA 2728801 C 20161129; CN 102076929 A 20110525; CN 102076929 B 20150819; EP 2313608 A2 20110427; EP 2313608 A4 20160406; JP 2011526972 A 20111020; JP 5620909 B2 20141105; MX 2010014371 A 20110503; ZA 201100691 B 20111026
DOCDB simple family (application)
CA 2728801 A 20090630; CN 200980125101 A 20090630; EP 09774292 A 20090630; JP 2011516796 A 20090630; MX 2010014371 A 20090630; ZA 201100691 A 20110127