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U.S. Department of Energy
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Anchoring structure for marine riser assembly

Patent ·
OSTI ID:7191329
This patent describes an anchor system for anchoring the lower end of a marine riser, lower marine riser package (LMRP) assembly and drill string to the ocean floor, it comprises: an anchor assembly secured to the ocean floor, the assembly including a tubular member extending into the ocean bottom; a guide means, an elongated weight means disposed in the tubular member.
Assignee:
Shell Offshore Inc., Houston, TX (United States)
Patent Number(s):
US 5146990; A
Application Number:
PPN: US 7-693870
OSTI ID:
7191329
Country of Publication:
United States
Language:
English

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