There is provided a flexible pipe, the flexible pipe including a fluid barrier layer, a first pressure armor layer, a second pressure armor layer, and an anti-collapse sheath disposed between the first and second pressure armor layers. The first pressure armor layer may include a metallic interlocked anti-extrusion and hoop strength layer. The second pressure armor may include a hoop strength layer having non-interlocked helical wraps. The second pressure armor layer may include composite helical wraps.
The present disclosure relates to an end fitting and method to install the end fitting to a flexible pipe. The method includes disposing a shell mandrel at a free end of the flexible pipe external to a jacket of the flexible pipe and performing a cutback of layers of the flexible pipe to expose an internal pressure sheath of the flexible pipe. An armor layer of the flexible pipe is radially outward from an axial direction of the flexible pipe. At least one internal pressure containment transition component and at least one internal pressure sheath seal are installed on the exposed free end of the flexible pipe. The end fitting is assembled such that the at least one internal pressure containment transition component and at least one seal are assembled with non-radial fasteners having a backward facing direction.
F16L 33/22 - Arrangements for connecting hoses to rigid membersRigid hose-connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
F16L 33/23 - Arrangements for connecting hoses to rigid membersRigid hose-connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts the outer parts being segmented, the segments being pressed against the hose by tangentially arranged members
F16L 33/01 - Arrangements for connecting hoses to rigid membersRigid hose-connectors, i.e. single members engaging both hoses specially adapted for hoses having a multi-layer wall
F16L 11/04 - Hoses, i.e. flexible pipes made of rubber or flexible plastics
3.
REINFORCEMENT LAMINATE HAVING AN ALIGNMENT FEATURE
In one aspect, the present disclosure relates to a reinforcement stack of a spoolable pipe composed of a plurality of laminates stacked to form the reinforcement stack. At least one of the plurality of laminates includes an alignment feature configured to align adjacently stacked laminates. In another aspect, the present disclosure relates to a method to manufacture a reinforcement stack of a spoolable pipe. The method includes providing an alignment feature on at least one laminate of a plurality of laminates and arranging the plurality of laminates using the alignment feature to form the reinforcement stack. In another aspect, the present disclosure relates to an armor layer of an unbonded flexible pipe. The armor layer includes a plurality of laminates stacked to form a reinforcement stack of the armor layer in which each laminate of the plurality of laminates comprises an alignment feature to align adjacent laminates.
A method to monitor the structural health of a flexible pipe including disposing one or more sensors within layers of the flexible pipe and wirelessly monitoring the one or more sensors with at least one receiver is provided. A structural health monitoring apparatus of a flexible pipe including a plurality of sensors disposed within layers of the flexible pipe and at least one receiver configured to wirelessly monitor the plurality of sensors is also provided. A method to manufacture a flexible pipe including forming the flexible pipe from a plurality of layers and disposing a plurality of sensors within the layers of the flexible pipe is provided. A composite armored flexible pipe including a tubular core, a plurality of structural layers, an outer jacket disposed external to the plurality of structural layers, at least one structural layer comprising one or more fiber reinforced tapes, and at least one sensor disposed between the tubular core and the outer jacket is also provided.
F16L 11/08 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
F17D 5/06 - Preventing, monitoring, or locating loss using electric or acoustic means
G01M 3/16 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
5.
SPOOLABLE PIPE WITH INCREASED COMPRESSIVE STRENGTH AND METHOD OF MANUFACTURE
In one aspect, the present disclosure relates to a method to manufacture an armor layer of a spoolable pipe. The method includes forming one or more laminates and wrapping the one or more laminates onto an underlying layer of the pipe. At least one of the laminates is composed of at least one reinforcement tape and at least one fabric tape. The laminates may be bonded to an adjacent laminate, thereby forming a reinforcement stack. In another aspect, the present disclosure relates to a method to manufacture an armor layer of a spoolable pipe. The method includes providing a plurality of reinforcement tapes having fibers oriented in a first direction and disposing at least one fabric tape between at least two layers of the plurality of reinforcement tapes. The fibers of the at least one fabric tape may be oriented in at least a second direction.
In one aspect, the present disclosure relates to an armor layer of an unbonded flexible pipe. The armor layer includes a stack of reinforcement tapes wherein at least one of a top reinforcement tape and a bottom reinforcement tape of the stack comprises a resin rich surface. In another aspect, the present disclosure relates to an armor layer of an unbonded flexible pipe. The armor layer includes a stack of reinforcement tapes wherein at least one of a top reinforcement tape and a bottom reinforcement tape in the stack comprises a radiused corner wherein the radiusing of the corner begins at a position along the vertical height of the reinforcement tape no more than one half the height of the reinforcement tape.
In one aspect, the present disclosure relates to a method to bond fiber reinforced polymer composite tape layers to make reinforcement stacks. The method includes collecting a plurality of composite tape layers to form a reinforcement stack, helically winding the reinforcement stack; and curing an adhesive on one or more surfaces of the plurality of composite tape layers by exposing the reinforcement stack to radiation. In another aspect, the present disclosure relates to a method to bond fiber reinforced polymer composite reinforcement stacks. The method includes collecting a plurality of composite tape layers each comprising at least one resin-rich surface to form a reinforcement stack, helically winding the reinforcement stack, and bonding the reinforcement stack by exposing the reinforcement stack to radiation. In another aspect, the present disclosure relates to an apparatus to bond polymer composite reinforcement stacks.
B29C 70/32 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or coreShaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
B29C 63/08 - Lining or sheathing, i.e. applying preformed layers or sheathings of plasticsApparatus therefor using sheet or web-like material by folding, winding, bending or the like by winding helically
8.
ANTI-EXTRUSION LAYER WITH NON-INTERLOCKED GAP CONTROLLED HOOP STRENGTH LAYER
In one aspect, the present disclosure relates to a tubular assembly with gap control. Embodiments disclosed herein relate to one or more embodiments of and methods for controlling gaps between helically wrapped layers in a pipe structure. A tubular assembly includes a fluid barrier, a first layer, and a second layer comprising a plurality of non-interlocking helical wraps and disposed on an outer surface of the first layer, in which the first layer is disposed between the fluid barrier and the second layer and configured to at least partially displace into a space created between adjacent non-interlocking helical wraps of the second layer.
The present disclosure relates to a subsea catenary and a method of distributing ballast on a pipe. The subsea catenary includes a flexible pipe, and a selected amount of ballast attached to the flexible pipe, in which the ballast is distributed in a wave pattern on a sag bend of the subsea catenary. The method includes identifying a position of a sag bend in a flexible pipe of the subsea catenary, and applying ballast in a wave distribution along the subsea pipe at the identified position.
E21B 43/01 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
B63B 27/24 - Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines
F16L 1/12 - Laying or reclaiming pipes on or under water
Embodiments disclosed herein relate to one or more embodiments of and methods to make a reinforced flexible pipe. The reinforced flexible pipe includes a pipe structure, a first composite tape member having a T-shaped cross section, and a second composite tape member having a T-shaped cross section, in which the first composite tape member is wrapped on the pipe structure in a first orientation and the second composite tape member is wrapped on the pipe structure in a second orientation. One or more embodiments relate to a method of forming the same.
Embodiments disclosed herein relate to one or more embodiments of and methods to repair a flexible pipe. A method to repair damaged flexible fiber-reinforced pipe which includes a plurality of helically-wrapped stacks of laminated strips of material is disclosed. The method includes removing a portion of existing stacks from a damage location, abrading a surface of replacement stacks to be installed at the damage location, applying an adhesive to the abraded surface of the replacement stacks, installing replacement stacks to the damage location, binding the replacement stacks to remaining existing stacks with the applied adhesive, and installing a replacement jacket over the replacement stacks.
F16L 55/16 - Devices for covering leaks in pipes or hoses, e.g. hose-menders
F16L 55/175 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by using materials which fill a space around the pipe before hardening
F16L 11/24 - Hoses, i.e. flexible pipes wound from strips or bands
F16L 11/02 - Hoses, i.e. flexible pipes made of fibres or threads, e.g. of textile
17 - Rubber and plastic; packing and insulating materials
Goods & Services
(1) Flexible composite pipes constructed of plastic namely, pipes for use in the oil field; flexible composite pipes constructed of nonmetal material namely, pipes for use in the oil field.
A modular rotating carousel assembly for storage and unspooling of pipe or cable is provided that comprises a plurality of triangular subassemblies; each triangular subassembly comprises a base member and at least one pair of connecting members; the connecting members are connected together at one end to form an apex and are connected at the other end to the base member; the base members of the plurality of triangular subassemblies are rotatably connected together to form a first circle; wherein the apexes of the connecting members extend outwardly from said first circle; and a plurality of rotating caster members is positioned beneath the rotatable connection of a plurality of said base members. Additional sets of triangular subassemblies are built up on concentric circles until the desired size of carousel is formed. A drive mechanism is provided that includes a motor that rotates a perimeter drive chain that engages sprocket pads spaced about the circumference of the carousel. A modular hub is provided that includes a set of fixed plates arranged in a circle and a set of adjustable plates that are connected to the fixed plates. A set of segments forming a uniform circular shape is attached to the outside surface of the moveable plates and vertically oriented curved plates are positioned about the outer surface of the set of segments to provide a uniform surface for casters to rotate about.
A layered tape guide spool having a plurality of guide rods, each of which have a first and a second guide member. The gaps between adjacent guide rods and the gaps formed between the first and second guide members define a gap that urges the tape stacks together into a desirable rectangular shape. The resulting tape stacks are then wrapped onto a tubular core or onto existing layers on a tubular core.
The present invention is directed to an improvement over the flexible composite tubing described in United States Patent Nos. 6,491,779, 6,804,942, and 7,073,978, wherein said improvement provides for void space or otherwise insulating region along the length of the tubing. The present invention is additionally directed to methods for implementing such improvement.
A free venting pipe and method of forming same, comprising a permeable tubular core member with at least one permeable hoop reinforcement layer around the core member; a substantially non- permeable membrane layer positioned outside of the hoop reinforcement layer and at least one permeable tensile reinforcement layer positioned outside of the membrane layer whereby a free volume annulus does not exist between any of the layers of the free venting pipe. The hoop and tensile reinforcement layers are comprised of a laminate construction.
