Fremgangsmate og anordning i forbindelse med stigeror

The riser system includes a small diameter riser that can be disconnected from the subsea BOP/wellhead assembly to obtain access to the wellbore for large diameter casing while continuously maintaining a hydrostatic head to control the well. The riser system further includes a large diameter riser j...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	THEISS DAVID HAROLD
Format:	Patent
Sprache:	nor
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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