Anchoring structure for marine riser assembly
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United States of America Patent
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-
Sep 15, 1992
Grant Date -
N/A
app pub date -
Apr 30, 1991
filing date -
Apr 30, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An anchor system for temporarily anchoring the lower end of a lower marine riser package (LMRP) assembly, drilling riser, and drill string used in drilling subsea wells. The anchor system includes a dummy wellhead secured to the ocean floor and weight means stored in a dummy wellhead that can be connected to the end of the drill string in a manner that restrains the lateral movement of the LMRP assembly, drilling riser, and drill string.
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