Global Patent Index - EP 2780534 A1

EP 2780534 A1 20140924 - REACTIVE CHOKE FOR AUTOMATIC WELLBORE FLUID MANAGEMENT AND METHODS OF USING SAME

Title (en)

REACTIVE CHOKE FOR AUTOMATIC WELLBORE FLUID MANAGEMENT AND METHODS OF USING SAME

Title (de)

REAKTIVE DROSSEL ZUR AUTOMATISCHEN BOHRLOCHFLÜSSIGKEITSVERWALTUNG UND VERWENDUNGSVERFAHREN DAFÜR

Title (fr)

ÉTRANGLEUR RÉACTIF POUR GESTION AUTOMATIQUE DE FLUIDE DE PUITS DE FORAGE ET PROCÉDÉS UTILISANT CELUI-CI

Publication

EP 2780534 A1 20140924 (EN)

Application

EP 12849984 A 20121019

Priority

  • US 201113298530 A 20111117
  • US 2012061103 W 20121019

Abstract (en)

[origin: US2013126184A1] Fluid actuated chokes comprise an expandable material that expands due to an undesired fluid coming in contact with the choke. The choke includes one or more passageways through which desired fluids from a well flow unimpeded. The choke is disposed in a downhole tool as part of a downhole completion. When one or more undesired fluids enters a production stream flowing through the downhole completion and, thus, the downhole tool, and contacts the choke, the expandable material expands causing fluid flow through the passageway(s) to be restricted and, in some cases, completely closed off. Thus, the choke automatically detects and reacts, i.e., restricts fluid flow through the choke, when contacted by the undesired fluid(s).

IPC 8 full level

E21B 17/18 (2006.01); E21B 34/06 (2006.01); E21B 34/08 (2006.01); E21B 43/12 (2006.01)

CPC (source: EP US)

E21B 33/1208 (2013.01 - US); E21B 34/06 (2013.01 - US); E21B 34/08 (2013.01 - EP); E21B 34/085 (2013.01 - EP); E21B 43/12 (2013.01 - US); F16L 55/12 (2013.01 - US); E21B 33/12 (2013.01 - US); E21B 33/134 (2013.01 - US); E21B 2033/005 (2020.05 - 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)

US 2013126184 A1 20130523; AP 2014007609 A0 20140531; AU 2012337316 A1 20140417; BR 112014011658 A2 20170502; CA 2854120 A1 20130523; CN 104011319 A 20140827; CN 104011319 B 20160914; EP 2780534 A1 20140924; EP 2780534 A4 20150729; US 2014352974 A1 20141204; WO 2013074248 A1 20130523

DOCDB simple family (application)

US 201113298530 A 20111117; AP 2014007609 A 20121019; AU 2012337316 A 20121019; BR 112014011658 A 20121019; CA 2854120 A 20121019; CN 201280056342 A 20121019; EP 12849984 A 20121019; US 2012061103 W 20121019; US 201414463157 A 20140819