Anchoring structure for marine riser assembly

Details Anchoring structure for marine riser assembly Anchoring structure for marine riser assembly

1991-04-30

1992-09-15

Neuder, William P.

Wells

Submerged well

Connection or disconnection of submerged members remotely...

166341, 166364, 166365, E21B 43013

Patent

active

051469901

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.

REFERENCES:
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patent: 3563042 (1971-02-01), Ryan
patent: 3782460 (1974-01-01), Skinner
patent: 4423982 (1984-01-01), Zaremba
patent: 4797029 (1989-01-01), Cowan et al.

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