Hydraulic and earth engineering – Marine structure or fabrication thereof – With anchoring of structure to marine floor
Patent
1981-04-22
1983-09-20
Corbin, David H.
Hydraulic and earth engineering
Marine structure or fabrication thereof
With anchoring of structure to marine floor
405224, 166366, E02D 500, E02D 574, E21B 33047
Patent
active
044052618
ABSTRACT:
A template levelling system and method for levelling a drilling or production template adjacent the bottom of a body of water on a plurality of suspension joints implanted in the floor of the body of water. The template has a plurality of passageways therein receiving the suspension joints which extend upwardly above the template. The template carries a pair of pivotable guideposts on opposite sides of each passageway. The levelling system includes a jacking assembly lowered by a handling string and including a hydraulic jack with an inner member slidably received in an outer member, a tension beam pivotally coupled to the inner member, a pair of tension joints pivotally and releasably coupled to the tension beam and engageable with the template guideposts, and a support beam receiving the outer member therein and releasably coupled to the tension joints via a pair of hydraulic slips assemblies.
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Offshore, Apr. 1981, p. 192 et sequa, "Jacks Perform Balancing Act," R. M. Brem, D. E. Sculley.
Armco Inc.
Corbin David H.
Pistel Nancy J.
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