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WO/2019/073047A1 |
The invention concerns a method for implementing an outer coating (8) of a pipe (1) for transporting an oil and/or gas fluid in an underwater environment quickly, economically and more reliably. The method comprises the following steps: ...
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WO/2019/070323A1 |
Wellbore plungers 100 with non-metallic tubing-contacting surfaces 132 and wells 10 including the wellbore plungers. The wellbore plungers are configured to be utilized within a tubing conduit of the downhole tubing. The downhole tubing ...
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WO/2019/070152A1 |
The inventions relate to the internal insulation of a welded joint between pipes having an internal protective coating. In a first variant of the present method a protective sleeve is positioned coaxially inside the pipes to be joined. A...
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WO/2019/070153A1 |
The invention can be used for the internal insulation of a welded pipeline joint between pipes having an internal protective coating. A device according to a first variant comprises a power actuator having a cylindrical elastic working m...
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WO/2019/061378A1 |
A gas-discharging or gas and smoke-discharging pipeline for a cleanroom, and a fabrication method therefor. The pipeline meets FM4922, FM4910 or other equal standards, and is used for discharging nonflammable chemical gases and corrosive...
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WO/2019/066670A1 |
The invention relates to the field of mechanical engineering, and specifically to technology for manufacturing steel pipes having a wear-resistant polymer coating used for building and operating oil and gas pipelines, heat supply systems...
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WO/2019/065721A1 |
Provided is a method by which a black-heart malleable cast iron member having a plating layer highly adhesive to a black-heart malleable cast iron member can be produced with less of a burden on the environment compared to conventional m...
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WO/2019/051592A1 |
A new protective polymeric sheet is described wherein said polymeric sheet includes perforations and attached spacers that allow air and water circulation when the sheet is in use. The sheet protects underlying structures from damage whi...
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WO/2019/044961A1 |
The present invention provides a pipe treaded joint and a method for producing the same. The pipe threaded joint is provided with a pin (4), a box (5), and a Zn-Ni alloy-coated layer (6). The pin (4) has a pin-side contact surface (40) i...
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WO/2019/013340A1 |
An anticorrosion structure provided with metal pipes and a self-adhesive silicone-based member or a self-fusing silicone-based member which is wound around a connection portion of the metal pipes.
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WO/2019/002024A1 |
Composite armour (1) for a flexible pipe. The armour (1) comprises a composite profile section (2) and a reinforcing strip (5). The composite profile section (2) is formed from reinforcing fibres (4) oriented longitudinally and embedded ...
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WO/2018/230972A1 |
A composite pipe according to the present invention has a stainless steel pipe with excellent corrosion resistance provided inside an inexpensive steel pipe with excellent strength having the exterior surface thereof treated to be anti-c...
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WO/2018/220360A1 |
The present document provides a pipe for control and forced circulation of corrosion-inhibiting fluids in an annulus thereof, the annulus being located between an inner pressure barrier (6) and an outer cover (8) of the pipe and containi...
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WO/2018/221557A1 |
A second connection unit is inserted from above into a first connection unit 34 that opens upwards. A protruding part 9 protrudes radially outwards from at least part of a center annular part 18. A housing 51 of a clamp 8 is provided at ...
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WO/2018/216497A1 |
The present invention provides a threaded joint for pipes that has excellent misalignment resistance, high torque-on-shoulder resistance, and excellent corrosion resistance, and a method for producing the same. This threaded joint for pi...
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WO/2018/217120A1 |
The invention relates to the construction of pipeline transportation and is used to protect an insulated surface of pipelines when said pipelines are laid in rocky and permafrost soils, as well as in soils containing inclusions causin...
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WO/2018/210212A1 |
A ductile iron pipe having an anti-corrosion inner coating, and a production process therefor. An epoxy coating is applied on the inner wall of the ductile iron pipe and the paint of the epoxy coating is a solvent-free phenolic epoxy cer...
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WO/2018/208928A1 |
A SIPP spraying apparatus for applying a liner material to the inner wall of a pipe, the apparatus having a transport unit, an articulating neck, a spinner assembly, proximity sensors and a plurality of positioning assemblies, wherein th...
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WO/2018/196622A1 |
A high-performance, corrosion-resistant and economical composite steel coiled tubing and a manufacturing method therefor, the composite steel coiled tubing comprising: a metallurgically bonded base layer (1) and composite layer (2); the ...
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WO/2018/189609A1 |
A conduit or pipeline system configured to use a liquid containing fluid, such as water, which typically accumulates in low flow pipelines causing corrosion and accumulation of sediments, to remove sediments and prevent corrosion. The li...
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WO/2018/179652A1 |
Provided is an anti-corrosive structure provided with an anti-corrosive sheet layer and a protective layer, wherein: the anti-corrosive sheet layer is formed of an anti-corrosive sheet; the anti-corrosive sheet has a substrate and an ant...
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WO/2018/177984A1 |
The present invention relates to a method for coating the exterior of a pipe (2) having an interior coating (3), more particularly an interior plating, comprising: providing the pipe (2) in a coating system (1), locally heating an exteri...
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WO/2018/172751A1 |
The present invention relates to a fitting (1') for attaching low carbon steel pipes (3') with polyolefin liners (3') together. A compression ring (6') is inserted into the pipe such that the bore of the commissioned pipeline remains con...
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WO/2018/175862A1 |
Mitigating corrosion and surface scale formation in a sour gas well includes providing an oil-based liquid to a sour gas well having carbon steel tubing (112) with iron sulfide on a surface of the carbon steel tubing (112), contacting th...
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WO/2018/172643A1 |
The invention relates to a process for lining a steel pipe for the subsea transport of fluids, comprising the machining of a cavity (8) in an inner wall (6) of the pipe (2), said cavity being set back longitudinally relative to one end (...
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WO/2018/167505A1 |
A flexible pipe body and a method of providing electrical continuity are disclosed. The flexible pipe body comprises a first armour layer formed from a helical winding of a metal tape element, a further armour layer formed from a helical...
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WO/2018/167518A1 |
Flexible pipe body, a flexible pipe and a method of manufacturing pipe body are disclosed. The flexible pipe body comprises a tensile armour layer and a supporting layer radially outside, or radially inside, and in an abutting relationsh...
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WO/2018/167504A1 |
Methods and apparatus are disclosed. The apparatus includes a substantially cylindrical mount body (350) comprising a first open mouth at a first end of the cylindrical body (350) and a further open mouth at a remaining end of the cylind...
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WO/2018/162718A1 |
The invention relates to a glass-reinforced plastic pipe liner of improved impact performance comprising layer B) from unsaturated polyester resin, optionally mixed with vinyl ester resin reinforced by non-woven fibres. Layer B) comprise...
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WO/2018/160310A1 |
A system for transporting corrosive or erosive fluids having a flow conduit or flow equipment with a flow bore. One or more inserts (50) are disposed within the flow bore of the flow conduit or flow equipment. The insert(s) (50) include ...
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WO/2018/151846A1 |
An ultraviolet light train apparatus for curing of a resin-impregnated liner, having an auto-uprighting camera at one end of the ultraviolet light train apparatus; a multiconductor cable at the opposite end of the ultraviolet light train...
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WO/2018/147759A1 |
The invention relates to the field of mechanical engineering, and specifically to the technology of manufacturing steel pipes with a polymer coating that are used for building and operating oil and gas pipelines and heat and water supply...
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WO/2018/127700A1 |
Clamping apparatus (2) for clamping two or more items together in use, said clamping apparatus including at least one clamping member (12) having an inwardly facing surface, or an inner surface arranged to be brought into contact, direct...
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WO/2018/118522A1 |
Described herein are methods of manipulating/tailoring wettability of liquids on physically/chemically modified surfaces under multiphase conditions (i.e. > 1 liquid contacting surface). In particular, methods of modifying or tuning the ...
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WO/2018/094519A1 |
A three layer PVDF coating system is provided for oil or gas pipe. The system comprises a steel pipe, an epoxy layer, for example, made from a high temperature liquid epoxy or a FBE, preferably a high temperature FBE, which provides exce...
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WO/2018/083127A1 |
The proposed technology relates to a system (8) for preventing microbiological growth in a conduit conveying a liquid. The system (8) comprises a multi-layered pipe (10) constituting said conduit and having an inner layer (12) that cover...
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WO/2018/073357A1 |
A system for preserving and capping tubes includes a compressed air reservoir for storing compressed air, a preservative reservoir containing a supply of a preservative, a nozzle in fluid communication with the compressed air reservoir a...
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WO/2018/065088A1 |
The invention relates to a connecting element (100) for connecting fluid-conducting components (103, 104), which connecting element is configured to be connected at a first end (101) to a first fluid-conducting component (103) and at a s...
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WO/2018/065920A1 |
The invention relates to a three dimensional device 12 for installing over a protrusion 20 of an inner pipe 11 wall to enable a continuous coating of the inner pipe wall through an in- situ spray lining process. The device comprises: a b...
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WO/2018/060029A1 |
The present invention deals with a process for producing a coated pipe. The process comprises (i) homopolymerising ethylene or copolymerising ethylene and an α-olefin comonomer in a first polymerisation step in the presence of a polymer...
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WO/2018/052311A1 |
A fluid line component for a subsea umbilical has two metal tubes (4) joined to form a longer component, each tube (4) being coated with a protective layer (9) along their length except at the joint (10) between the two tubes (4), wherei...
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WO/2018/042161A1 |
A method for lining at least a portion of the inner wall of an upstanding tubular includes inserting a liner sleeve (4) into the tubular (1). The liner sleeve (4) comprises a sleeve of flexible sheet material impregnated with and/or coat...
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WO/2018/042246A1 |
This invention relates to a mechanically lined pipe (1) comprising a host pipe (5) having an inner surface (5a) which is lined with a metallic liner (10), the metallic liner having an inner surface which is lined with a polymer liner (11...
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WO/2018/035623A1 |
The present application relates to a device which is easy to produce and eliminates any possibility of internal corrosion in the zones of welded joints in carbon steel pipework, in that the device does not cause damage and allows the int...
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WO/2018/034537A1 |
The present invention relates to a synthetic resin-coated metal pipe corresponding to a thermal expansion coefficient and a method for manufacturing the same. More particularly, the present invention relates to a synthetic resin-coated m...
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WO/2018/019744A1 |
The invention relates to an element comprising: a metal base body (7), and a layer of paint (13) extending over at least part of the base body, the paint of the layer of paint having a formulation comprising a binder. The binder comprise...
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WO/2018/021137A1 |
The present invention addresses the problem of providing a method for manufacturing, at a lower cost, a polyolefin-coated steel pipe having an excellent anti-corrosion performance without providing a molten polyolefin extrusion means or ...
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WO/2018/009633A1 |
An elongated hollow component includes a body extending from a first end to a second end and defining a longitudinal axis. The body includes a plurality of layers each circumscribing the longitudinal axis. The plurality of layers include...
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WO/2017/214636A1 |
A carrier pipe is protected from corrosion by being received inside a casing at a location above ground. The casing, which can be formed from a polymer, defines a gap extending around an exterior surface of the carrier pipe. In one embod...
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WO/2017/212369A1 |
The invention includes a method for making a sleeve (1, 100) suited to join the facing ends (201 a, 202a) of two pipe segments (201, 202). The method includes the steps of preparing an outer tubular element (2), preparing an inner tubula...
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