Ge Oil & Gas UK Limited

Baker Hughes Energy Technology UK Limited

Neville Dodds

James Robert Latto

Vineet Kumar Jha

David Andrew Finch

Geoffrey Stephen Graham

Upul Shanthilal Fernando

Majeed Al-Zubaidy

Philip Michael Nott

Michelle Davidson

Peter Kirton

Andrew Thompson

John Fulcher

Iwan Rhys Harries

Andrew Mccormick

John Mcnab

A method of making a flexible pipe layer, which method comprises: commingling polymer filaments and carbon fibre filaments to form an intimate mixture, forming yarns of the commingled filaments, forming the yarns into a tape, and applying the tape to a pipe body to form a flexible pipe layer.

Thermoplastic composite

A composite for use in a flexible pipe body, said composite comprising: a first polymer layer, a second polymer layer that is bonded to the first polymer layer, and filler particles that extend from the first polymer layer into the second polymer layer, whereby the particles are partially embedded in both the first and second polymer layers.

Composite

A method and apparatus are disclosed for at least partially repairing a defect in a tubular composite layer. The apparatus comprises a plurality of independently movable abutment elements () each supported in a spaced apart relationship via a respective one of at least one support member (). Each abutment element is associated with a respective drive axis along which the abutment elements are movable and the drive axes of all abutment elements extend outwardly from a common centre point.

Layer repair

A method and an apparatus of manufacturing flexible pipe body () is disclosed. The method includes the step of winding at least one composite body having a substantially helical innate shape around an underlining pipe layer.

Windable body, apparatus and method for its production

A method and apparatus for manufacturing a composite layer of a flexible pipe are disclosed. The apparatus comprises a layer inspection station comprising at least one sensor, located down stream of and in an in-line configuration with an extrusion station or pultrusion station or winding station or deposition station for providing a tubular composite layer over an underlying substantially cylindrical surface via a continuous process. The inspection station automatically and continuously determines if at least one parameter of the tubular composite layer satisfies a respective predetermined condition in at least one region of the tubular composite layer as the tubular composite layer is transported proximate to the inspection station and indicates in real time at least one of a type, size and/or location of a defect in the tubular composite layer.

Apparatus and method for manufacturing flexible pipe

A flexible pipe body and method of producing a flexible pipe body are disclosed. The method includes providing one or more composite filament () as a filament bundle (); applying a braid element () around the filament bundle as a braided bundle (); helically wrapping the braided bundle () around a flexible pipe layer (); and then curing () the one or more composite filament ().

Flexible pipe body and method of manufacture

To produce a flexible pipe body, a length of tensile armour element () of pre-preg composite material is fed towards a fluid-retaining layer (). The tensile armour element () passes through a guide () an a pre-heater (). The tensile armour element () is then applied to the fluid-retaining layer (), being wrapped around the fluid-etaining layer () by virtue of the rotation of the layer (), the linear translation of the layer (), and the fixed position of the tensile armour element feed (). The element () is fed to the fluid-retaining layer under a constant, predetermined controlled tension. Positioning head () helps to position the element () on the fluid-retaining layer (). As tensile armour element is wound onto the pipe body, the pipe body continues to move in a, linear direction and the pipe body moves through an oven ().

Flexible pipe body and method of producing same

A flexible pipe body and method of producing a flexible pipe body are disclosed. The method includes providing two or more non-bonded composite filaments () as a non-bonded filament bundle (); applying a braid element () around the filament bundle () to thereby form a braided bundle () comprising non-bonded filaments (); and helically wrapping the braided bundle () around a flexible pipe body layer ().

A flexible pipe body layer and method of producing a flexible pipe body layer are disclosed. The method includes coextruding an inner sub-layer and an outer sub-layer, wherein the inner sub-layer and outer sub-layer comprise a polymer, and wherein the inner sub-layer has a lower modulus of elasticity than the outer sub-layer.

Flexible pipe body layer and method of producing same

A flexible pipe body and methods of producing a flexible pipe body are disclosed. The method may include providing a tubular length of polymeric material for forming a polymeric layer of flexible pipe body; providing a strength layer radially outwards of the polymeric layer; and treating the polymeric layer with a non-ambient temperature and pressure.

A flexible pipe body and method of producing a flexible pipe body are disclosed. The method includes providing a tubular layer; and directing a chemical reagent towards a surface portion of the tubular layer, wherein the tubular layer comprises an extruded polymer, and wherein the chemical reagent is suitable for changing one or more physical or mechanical property of a proportion of the extruded tubular layer thickness.

Apparatus and method of manufacturing a flexible pipe body are disclosed. The method may include providing a fluid retaining layer; wrapping a plurality of tensile armour elements around the fluid retaining layer; and wrapping a crush resistant elongate body that houses at least one fibre element around the fluid retaining layer and radially between two of the plurality of tensile armour elements. Matrix material provided in the elongate body may be cured subsequent to fitting the pipe body to an end fitting.

Growing community of inventors

Newcastle-upon-Tyne, United Kingdom

Neville Dodds