EP 3612713 B1 20230726 - DUAL-WALLED COILED TUBING WITH DOWNHOLE FLOW ACTUATED PUMP
Title (en)
DUAL-WALLED COILED TUBING WITH DOWNHOLE FLOW ACTUATED PUMP
Title (de)
DOPPELWANDIGER SPIRALSCHLAUCH MIT BOHRLOCHDURCHFLUSSGBETÄTIGTER PUMPE
Title (fr)
TUBE SPIRALÉ À DOUBLE PAROI AVEC POMPE ACTIONNÉE PAR ÉCOULEMENT DE FOND DE TROU
Publication
Application
Priority
- US 201715488923 A 20170417
- US 2018027553 W 20180413
Abstract (en)
[origin: WO2018194927A1] Dual-walled coiled tubing assemblies are used to dispose a flow actuated pump into a wellbore. Dual-walled coiled tubing assemblies include an inner coiled tubing string and an outer coiled tubing string.
IPC 8 full level
E21B 43/12 (2006.01); E21B 17/20 (2006.01); E21B 33/12 (2006.01)
CPC (source: EP RU US)
E21B 17/203 (2013.01 - EP); E21B 43/12 (2013.01 - RU); E21B 43/121 (2013.01 - RU); E21B 43/129 (2013.01 - EP RU US); E21B 43/13 (2020.05 - EP RU US); F04B 47/10 (2013.01 - RU)
Citation (examination)
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)
WO 2018194927 A1 20181025; AU 2018255209 A1 20191121; AU 2018255209 B2 20200917; BR 112019019815 A2 20200422; CA 3060000 A1 20181025; CA 3060000 C 20220705; CN 110537001 A 20191203; CN 110537001 B 20220419; CO 2019012358 A2 20200228; EP 3612713 A1 20200226; EP 3612713 A4 20200916; EP 3612713 B1 20230726; RU 2726704 C1 20200715
DOCDB simple family (application)
US 2018027553 W 20180413; AU 2018255209 A 20180413; BR 112019019815 A 20180413; CA 3060000 A 20180413; CN 201880023803 A 20180413; CO 2019012358 A 20191101; EP 18788267 A 20180413; RU 2019134871 A 20180413