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US 2009/0151805 A1Published application
Blow-out prevention hose bundle for offshore oil rigs
OwnerNick A. Martino, Mark G. Siber +2inventors
InventorsNick A. Martino, Mark G. Siber, Gerald T. Edwards, Michael R. Swails
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Abstract
Flexible thermoplastic hose bundle for use in the operation and control of Blow-Out Prevention (BOP) valves and other devices located on subsea well heads. The bundle includes a plurality ⅛-inch inner diameter (ID) hoses which are cabled around a central hose and sheathed in an outer jacket.
Claims12
A method of conveying a fluid under a service pressure for blowout prevention from an oil platform to an undersea wellhead comprising the steps of:
- (a) providing a length of a flexible hose bundle comprising a plurality of pilot hoses surrounding a central power hose, each of the pilot hoses comprising:
- an innermost core tube comprising one or more layers formed of a thermoplastic polymeric material, the core tube having an inner diameter of about ⅛-inch;
- a first reinforcement layer surrounding the core tube comprising one or more filaments of a first fiber;
- a second reinforcement layer surrounding the first reinforcement layer comprising one or more filaments of a second fiber;
- and
- an outermost jacket surrounding the second reinforcement layer comprising one or more filaments of a second fiber the same as or different than the first fiber;
- (b) running the length of hose bundle of step (a) between the platform and the wellhead.
4 more elements
Dependencies are inferred from the claim text.