EP 3597854 A1 20200122 - ARRANGEMENT FOR SUPPORTING A WELLHEAD
Title (en)
ARRANGEMENT FOR SUPPORTING A WELLHEAD
Title (de)
ANORDNUNG ZUR ABSTÜTZUNG EINES BOHRLOCHKOPFES
Title (fr)
AGENCEMENT POUR SUPPORTER UNE TÊTE DE PUITS
Publication
Application
Priority
EP 18184631 A 20180720
Abstract (en)
There is described a suction anchor (14) with a device for reducing the load on a wellhead casing (12) from a bending moment (M<sub>w</sub>) generated by a horizontal load component (L<sub>h</sub>) from a well element (2, 3) arranged over a wellhead (11), the suction anchor having a closed top portion and an open lower portion, the device including a supporting frame (6), integrated into the closed top portion of the suction anchor, connected to an upper portion (12a) of the wellhead casing (12) and projecting outwards from the centre axis of the wellhead casing (12) and being provided with abutments (61) which rest supportingly against the top portion of the suction anchor, at a radial distance from the wellhead casing (12), the supporting frame (6) being arranged to absorb a portion of said bending moment (M<sub>w</sub>).
IPC 8 full level
E21B 17/01 (2006.01); B63B 21/27 (2006.01); E21B 33/035 (2006.01); E21B 41/08 (2006.01); E21B 43/013 (2006.01)
CPC (source: EP US)
B63B 21/27 (2013.01 - EP); E21B 17/017 (2013.01 - EP); E21B 33/035 (2013.01 - EP US); E21B 41/08 (2013.01 - EP); E21B 43/013 (2013.01 - EP)
Citation (applicant)
- NO 313340 B1 20020916 - STRAND HARALD [NO]
- NO 305179 B1 19990412 - NORSKE STATS OLJESELSKAP [NO]
- NO 331978 B1 20120514 - NEODRILL AS [NO]
- WO 2011162616 A1 20111229 - NEODRILL AS [NO], et al
- US 2006162933 A1 20060727 - MILLHEIM KEITH K [US], et al
- US 2010212916 A1 20100826 - RICE JIM [CA]
- US 6692194 B2 20040217 - STRAND HARALD [NO]
- WO 2016085348 A1 20160602 - NEODRILL AS [NO]
Citation (search report)
- [XD] WO 2016085348 A1 20160602 - NEODRILL AS [NO]
- [A] WO 2017155415 A1 20170914 - STATOIL PETROLEUM AS [NO]
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)
DOCDB simple family (application)
EP 18184631 A 20180720