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Matches 1 - 50 out of 6,948

Document Document Title
WO/2019/099266A1
The present invention relates to a method of coating a pipeline field joint comprising the steps of (a) applying a layer of a coating material composition comprising (i) a propylene polymer and (ii) a substantially linear ethylene copoly...  
WO/2019/097315A1
Described in the present disclosure is corrosion-resistant piping (for example, for transportation of oil, natural gas, petrochemicals, water, wastewater, utilities, or the like) and low-cost methods for manufacturing and using the same....  
WO/2019/091960A1
The invention relates to a heat-exchanger system comprising a wall (22) separating a first fluid from a second fluid and allowing a heat exchange between said fluids. A protective film (26) made of polymer material is provided on said wa...  
WO/2019/086766A1
The invention relates to a container (1) for recovering the heat energy of wastewater. The container (1) comprises a shell (10) and a continuous spiral pipe (2) for conveying wastewater through the container in a vertical direction. A fi...  
WO/2019/088913A1
There is provided a method for coating an inner surface of a pipe and the pipe having the coating. The method may comprise pressing a lining material spirally against an inner surface of a pipe over a length of the pipe and heating the p...  
WO/2019/087649A1
A steel pipe (10) that comprises: a tubular steel layer (11); an alloy layer (14) that has a ζ layer (14b) and covers an outer surface of the steel layer (11); and a zinc layer (15) that covers the alloy layer (14). The zinc layer (15) ...  
WO/2019/087648A1
A steel pipe (10) that comprises: a tubular steel layer (11) that is joined at a weld part (12) that runs along a pipe axial direction; a plating layer (16) that covers the steel layer (11) and the weld part (12) from the outside in the ...  
WO/2019/081572A1
The invention relates to a pipe, the inner surface of which is lined with a thermoplastic layer, which pipe is produced by a method comprising the following steps: a) a metal pipe is provided, b) a tubular inner liner made of a thermopla...  
WO/2019/072900A1
A method for renovating a line (1) which carries a liquid or gaseous medium, in which method a first lining tube (10) formed from overlappingly wound fibre bands (2) impregnated with a curable liquid reaction resin is drawn into the line...  
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: ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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.  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 (...  
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...  
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...  
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...  
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...  
WO/2018/165305A3
A method and apparatus are provided for controlling a fuel delivery system to limit acidic corrosion. An exemplary control system includes a controller, at least one monitor, an output, and a remediation system. The monitor of the contro...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  

Matches 1 - 50 out of 6,948