Hydraulic and earth engineering – Marine structure or fabrication thereof – With anchoring of structure to marine floor
Patent
1992-03-03
1993-10-12
Reese, Randolph A.
Hydraulic and earth engineering
Marine structure or fabrication thereof
With anchoring of structure to marine floor
405211, 166364, E02D 562
Patent
active
052520056
ABSTRACT:
Fire protection for the tensioner cylinders of a marine riser tensioner system in oil and gas offshore drilling and production rigs where the tensioner cylinders are coated with intumescent epoxy and their respective cylinder rods are enclosed within outer fire protection cylinders which comprise an inner metal lining and an outer jacket. The outer jacket comprises an inner multi-layer thick blanket of ceramic fibrous materials and barrier films contained within inner and outer layers of woven ceramic fibers for reinforcement and abrasion resistance. The outer fire protection cylinders telescope over the tensioner cylinders as the cylinder rods extend and retract in response to vertical movement of the rigs. The intumescent epoxy on the tensioner cylinders are covered with a bearing sleeve to provide a smooth surface for the telescoping fire protecting cylinders and fire retardant mechanisms are located at the tops and bottoms of the telescoping cylinders to prevent intrusion of heat and flame.
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Dwyer Joseph R.
McBee J. Russell
Paul-Munroe Hydraulics Inc.
Reese Randolph A.
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