EP 2702241 A2 20140305 - FLOW-INDUCED ELECTROSTATIC POWER GENERATOR FOR DOWNHOLE USE IN OIL AND GAS WELLS
Title (en)
FLOW-INDUCED ELECTROSTATIC POWER GENERATOR FOR DOWNHOLE USE IN OIL AND GAS WELLS
Title (de)
FLUSSINDUZIERTER ELEKTROSTATISCHER STROMGENERATOR ZUR VERWENDUNG IN ÖL- UND GASBOHRLÖCHERN
Title (fr)
GÉNÉRATEUR D'ÉNERGIE ÉLECTROSTATIQUE INDUITE PAR L'ÉCOULEMENT DESTINÉ À ÊTRE UTILISÉ EN FOND DE PUITS DANS LES FORAGES PÉTROLIERS ET GAZIERS
Publication
Application
Priority
- US 201113094954 A 20110427
- US 201113094964 A 20110427
- US 2012031432 W 20120330
Abstract (en)
[origin: WO2012148628A2] The present invention is directed to processes (methods) for harnessing flow- induced electrostatic energy in an oil and/or gas well and using this energy to power electrical devices (e.g., flowmeters, electrically-actuated valves, etc.) downhole.
IPC 8 full level
E21B 41/00 (2006.01); E21B 17/00 (2006.01); E21B 43/08 (2006.01); E21B 47/12 (2012.01)
CPC (source: EP)
E21B 17/003 (2013.01); E21B 41/0085 (2013.01); E21B 43/086 (2013.01); E21B 47/13 (2020.05)
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 2012148628 A2 20121101; WO 2012148628 A3 20121227; AU 2012250159 A1 20131107; BR 112013027083 A2 20161227; CA 2833243 A1 20121101; EP 2702241 A2 20140305; EP 2702241 A4 20150916
DOCDB simple family (application)
US 2012031432 W 20120330; AU 2012250159 A 20120330; BR 112013027083 A 20120330; CA 2833243 A 20120330; EP 12776615 A 20120330