US2009308587A1PendingUtilityA1

Precast thermal insulation for flowlines and risers

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Assignee: WATKINS LOUPriority: Jun 11, 2008Filed: Jun 11, 2009Published: Dec 17, 2009
Est. expiryJun 11, 2028(~1.9 yrs left)· nominal 20-yr term from priority
Inventors:Lou Watkins
F16L 59/024E21B 36/003E21B 17/01
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Claims

Abstract

Precast thermal insulation for flowlines and risers includes an outer protective shell that has an exterior surface and an interior surface that together define a volume within the outer protective shell. High elongation syntactic foam insulation is located within the volume, and comprises microsphere and a semi-rigid epoxy plastic resin binder. The precast thermal insulation permits advanced materials to be used for risers and flowlines, including highly flexible systems for installation by reeling.

Claims

exact text as granted — not AI-modified
1 . Precast thermal insulation for flowlines and risers, comprising:
 an outer protective shell that has an exterior surface and an interior surface that together define a volume within the outer protective shell; and   high elongation syntactic foam insulation located within the volume, comprising microsphere and a semi-rigid epoxy plastic resin binder.   
   
   
       2 . The precast thermal insulation of  claim 1 , wherein the outer protective shell is fiberglass. 
   
   
       3 . The precast thermal insulation of  claim 2 , further comprises macrospheres within the volume. 
   
   
       4 . The precast thermal insulation of  claim 2 , wherein the outer protective shell is semi-cylindrical.

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