EP 3464790 B1 20200422 - AN APPARATUS AND METHOD FOR PUMPING FLUID IN A BOREHOLE
Title (en)
AN APPARATUS AND METHOD FOR PUMPING FLUID IN A BOREHOLE
Title (de)
VORRICHTUNG UND VERFAHREN ZUM PUMPEN VON FLÜSSIGKEIT IN EINEM BOHRLOCH
Title (fr)
APPAREIL ET PROCÉDÉ DE POMPAGE DE FLUIDE DANS UN TROU DE FORAGE
Publication
Application
Priority
- GB 201609286 A 20160526
- GB 2017051517 W 20170526
Abstract (en)
[origin: WO2017203287A1] A method to manipulate a well, comprising running an apparatus having a container and an electrically powered pump into the well. The well is isolated, and a wireless control signal, such as an electromagnetic or acoustic signal, is sent to operate the pump in response in order to pump fluid from within the container to the surrounding portion of the well. The apparatus may comprise a pressure balancing means, such as a floating piston between two ports of the container, and/or an in well charging means.
IPC 8 full level
E21B 27/02 (2006.01)
CPC (source: EP US)
E21B 27/02 (2013.01 - EP US); E21B 33/12 (2013.01 - US); E21B 43/27 (2020.05 - EP US); E21B 47/06 (2013.01 - US); E21B 47/07 (2020.05 - US); E21B 49/00 (2013.01 - US); E21B 34/06 (2013.01 - US); E21B 43/04 (2013.01 - US); E21B 43/11 (2013.01 - US)
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 2017203287 A1 20171130; EP 3464790 A1 20190410; EP 3464790 B1 20200422; GB 201609286 D0 20160713; US 2019128080 A1 20190502
DOCDB simple family (application)
GB 2017051517 W 20170526; EP 17727349 A 20170526; GB 201609286 A 20160526; US 201716302649 A 20170526