Fiber reinforced spoolable pipe
First Claim
1. A spoolable pipe, comprising:
- an internal pressure barrier formed about a longitudinal axis, wherein the internal pressure barrier carries at least twenty-five percent of the axial load along the longitudinal axis at a termination;
at least one reinforcing layer comprising glass and enclosing the internal pressure barrier, the at least one reinforcing layer comprising at least two plies of fibers having at least a partial helical orientation relative to the longitudinal axis, wherein at least one abrasion resistant layer is disposed between the at least two plies of fibers; and
an external layer enclosing the at least one reinforcing layer.
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Accused Products
Abstract
A spoolable pipe is disclosed, the spoolable pipe having an internal pressure barrier formed about a longitudinal axis, and a reinforcing layer(s) enclosing the internal pressure barrier. In one embodiment, the reinforcing layer(s) can include fibers having at least a partial helical orientation about approximately thirty and about approximately seventy degrees relative to the longitudinal axis, and, the wall can include at least one external layer enclosing the reinforcing layer(s) and having a permeability at least ten times greater than the permeability of the internal pressure barrier. The reinforcing layer(s) can further include a coating. The pipe can also include an energy conductor(s) integrated with and/or located between the internal pressure barrier and/or the reinforcing layer(s).
200 Citations
87 Claims
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1. A spoolable pipe, comprising:
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an internal pressure barrier formed about a longitudinal axis, wherein the internal pressure barrier carries at least twenty-five percent of the axial load along the longitudinal axis at a termination; at least one reinforcing layer comprising glass and enclosing the internal pressure barrier, the at least one reinforcing layer comprising at least two plies of fibers having at least a partial helical orientation relative to the longitudinal axis, wherein at least one abrasion resistant layer is disposed between the at least two plies of fibers; and an external layer enclosing the at least one reinforcing layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48)
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11. A spoolable pipe, comprising:
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an internal pressure barrier formed about a longitudinal axis; at least one reinforcing layer enclosing the internal pressure barrier, the at least one reinforcing layer comprising at least two plies of fibers having at least a partial helical orientation relative to the longitudinal axis, wherein at least one abrasion resistant layer is disposed between the at least two plies of fibers; and an external layer enclosing the at least one reinforcing layer; wherein the fibers comprise a glass chosen from;
e-glass, e-cr glass, and Advantex®
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49. A spoolable pipe, comprising:
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an internal pressure barrier formed about a longitudinal axis, at least one reinforcing layer enclosing the internal pressure barrier, the at least one reinforcing layer including fibers having at least a partial helical orientation relative to the longitudinal axis, and, at least one external layer enclosing the at least one reinforcing layer and having a permeability at least five times greater than the permeability of the internal pressure barrier; wherein the at least one external layer includes at least one material or coating applied at least partially helically, or at least partially axially, along the longitudinal axis. - View Dependent Claims (50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77)
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78. A spoolable pipe, comprising:
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an internal pressure barrier formed about a longitudinal axis, at least one reinforcing layer enclosing the internal pressure barrier, the at least one reinforcing layer including fibers having at least a partial helical orientation relative to the longitudinal axis, the at least one reinforcing layer including a coating comprising a silane compound and at least one external layer enclosing the at least one reinforcing layer. - View Dependent Claims (79, 80, 81, 82, 83)
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84. A spoolable pipe, comprising:
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an internal pressure barrier formed about a longitudinal axis, at least one reinforcing layer enclosing the internal pressure barrier, the at least one reinforcing layer including fibers having at least a partial helical orientation relative to the longitudinal axis, wherein said fibers are selected from the group consisting of e-glass, e-cr glass, or Advantex®
; and
,at least one external layer enclosing the at least one reinforcing layer and having a permeability at least five times greater than the permeability of the internal pressure barrier. - View Dependent Claims (85, 86, 87)
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Specification