SUBSEA PETROLEUM WELLHEAD SYSTEMS AND METHODS

A wellhead assembly (100) comprising: a wellhead support structure (101), a high- pressure wellhead housing (201), the wellhead support structure (101) arranged as part of a sea floor foundation (200) and having a receptacle (102) rigidly fixed thereto such that the support structure (101) provides...

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Bibliographische Detailangaben
Hauptverfasser:	WESMANN, Johan, Pedersen, Martin, Spalder, Brynjulf, GARCIA, Javier Rodriguez, Møgedal, Knut, Helgen, Martin, Schüller, Rolf Barfod, KNUDTZON, Christopher
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	A wellhead assembly (100) comprising: a wellhead support structure (101), a high- pressure wellhead housing (201), the wellhead support structure (101) arranged as part of a sea floor foundation (200) and having a receptacle (102) rigidly fixed thereto such that the support structure (101) provides a bending moment restraint on the receptacle (102), wherein the receptacle (102) comprises two vertically spaced, circumferential support faces (130,131), each of the support faces (130,131) providing horizontal support to the high-pressure wellhead housing (201), and wherein the two vertically spaced, circumferential support faces (130,131) in conjunction provide a bending moment restraint on the high-pressure wellhead housing (201) in the receptacle (102). There is also provided a method of establishing a subsea well.