EP 3303756 A1 20180411 - COMBINATION WELL CONTROL/STRING RELEASE TOOL
Title (en)
COMBINATION WELL CONTROL/STRING RELEASE TOOL
Title (de)
KOMBINATIONSWERK ZUR BOHRLOCHSTEUERUNG/STRANGFREIGABE
Title (fr)
OUTIL DE LIBÉRATION DE TRAIN DE TIGES/COMMANDE DE PUITS COMBINÉ
Publication
Application
Priority
- US 201562167349 P 20150528
- US 2016034734 W 20160527
Abstract (en)
[origin: WO2016191716A1] The present disclosure generally relates to a well control/string release tool 70a and methods using the tool. The well control/string release tool 70a may be attached to a workstring 9 while performing well control procedures. The well control/string release tool may be used to release the workstring 9 attached thereto in a controlled manner in the event of critical emergency well control. A well control/ string release tool includes a release sub 204, a handling sub 202, and one or more load bearing elements 228 selectively coupled between the release sub 204 and the handling sub 202.
IPC 8 full level
E21B 17/06 (2006.01)
CPC (source: EP US)
E21B 17/06 (2013.01 - EP US); E21B 19/10 (2013.01 - EP US); E21B 19/002 (2013.01 - US)
Citation (search report)
See references of WO 2016191716A1
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2016191716 A1 20161201; AU 2016267282 A1 20171207; BR 112017025466 A2 20180807; CA 2986049 A1 20161201; EA 201792618 A1 20180430; EP 3303756 A1 20180411; MX 2017015197 A 20180815; US 2018171728 A1 20180621
DOCDB simple family (application)
US 2016034734 W 20160527; AU 2016267282 A 20160527; BR 112017025466 A 20160527; CA 2986049 A 20160527; EA 201792618 A 20160527; EP 16730118 A 20160527; MX 2017015197 A 20160527; US 201615574939 A 20160527