EP 2998502 A2 20160323 - Multi-stage blowout preventer and method of using same
Title (en)
Multi-stage blowout preventer and method of using same
Title (de)
Mehrstufiger Blowout-Preventer und Verfahren zur Verwendung davon
Title (fr)
Obturateur anti-éruption à plusieurs étages et son procédé d'utilisation
Publication
Application
Priority
US 201414492284 A 20140922
Abstract (en)
A blowout preventer includes a housing, a ram block carrier which moves within the housing, and one or more ram blocks configured to be placed within the ram block carrier. The ram block carrier may include an opening, an upper shelf within the opening configured to hold an upper ram block, and a lower shelf within the opening configured to hold a lower ram block. The housing may include a central bore, cavities on both sides of the bore, and openings which allow ram blocks to access a pipe within the bore.
IPC 8 full level
E21B 33/06 (2006.01)
CPC (source: EP KR US)
E21B 33/038 (2013.01 - KR); E21B 33/062 (2013.01 - EP KR US); E21B 33/064 (2013.01 - KR)
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)
EP 2998502 A2 20160323; EP 2998502 A3 20160713; CN 105756604 A 20160713; KR 20160034785 A 20160330; SG 10201406689R A 20160428; US 2016084031 A1 20160324
DOCDB simple family (application)
EP 14189874 A 20141022; CN 201410795246 A 20141218; KR 20140147044 A 20141028; SG 10201406689R A 20141016; US 201414492284 A 20140922