Global Patent Index - EP 2313608 A4

EP 2313608 A4 20160406 - LIQUID ROD PUMP

Title (en)

LIQUID ROD PUMP

Title (de)

FLÜSSIGKEITSSTANGENPUMPE

Title (fr)

POMPE AUXILIAIRE DE LIQUIDE

Publication

EP 2313608 A4 20160406 (EN)

Application

EP 09774292 A 20090630

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)

Citation (search report)

No further relevant documents disclosed

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

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