Heave-restrained platform and drilling system

Details Heave-restrained platform and drilling system Heave-restrained platform and drilling system

1991-05-02

1992-09-15

Reese, Randolph A.

Hydraulic and earth engineering

Marine structure or fabrication thereof

With work deck vertically adjustable relative to floor

405200, 4052231, 4052242, E02D 562, E02D 534

Patent

active

051471485

ABSTRACT:
A Heave-Restrained Platform and Drilling System (HRP/DS) comprises a floating structure having a central buoyancy means, at least three out-rigger columns, and a hybrid mooring system in which a spread (lateral) mooring system functions with an array of tensioned production risers (serving as a vertical tension leg) to keep the structure generally over a specified seabed location. The HRP/DS provides a means for drilling and producing through oil wells in deep water such that critical pressure containment means are achieved with safe, redundant barriers and systems similar to those employed on shallow water fixed platforms.

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Ocean Industry, Sep. 1990, pp. 147 through 152, entitled "Minifloater: A Deepwater Production Alternative", By W. P. J. M. Kerckhoff.

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