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Structural system and construction method of integrated flat cavity pipeline for oil and gas multiphase transportation

A pipeline and oil and gas technology, which is applied in the structural system and construction field of oil and gas multiphase transportation integrated flat cavity pipeline, can solve the problems of poor stability and impermeability, small pipeline diameter, etc., to ensure stability, less deposition medium, and improve Effects on load carrying capacity and stability properties

Inactive Publication Date: 2020-12-25
NORTHEAST GASOLINEEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art, and to provide an integrated flat cavity pipeline structure system for oil and gas multiphase transportation and its construction method, which is used to solve the problems of small diameter, stability and resistance of traditional pipelines. In order to solve the problem of poor permeability, it also provides a construction method for this kind of oil and gas multiphase transportation integrated flat cavity pipeline structure system

Method used

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  • Structural system and construction method of integrated flat cavity pipeline for oil and gas multiphase transportation
  • Structural system and construction method of integrated flat cavity pipeline for oil and gas multiphase transportation
  • Structural system and construction method of integrated flat cavity pipeline for oil and gas multiphase transportation

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Embodiment 1

[0059] refer to figure 1 , this kind of oil and gas multi-phase transportation integrated flat cavity pipeline structure system is composed of two pipelines connected by GFRP anti-buckling energy-dissipating dampers, in which a single pipeline is composed of straight pipeline monomers connected by integral nodes, combined with Figure 4 , Figure 5 As shown, the straight pipe unit is formed by two seamless inner and outer layers of wound GFRP circular pipes and interlayer self-compacting fine stone concrete layers, as shown in Figure 8 , Figure 9 , Figure 10 , Figure 11 As shown, the outer side of the inner GFRP round pipe and the inner side of the outer GFRP round pipe are provided with shear connection keys according to certain rules, and the straight pipes are connected by integral nodes on site, as shown in Image 6 , Figure 7 As shown, the integral joint is formed by sandwiching concrete between the inner and outer two-layer GFRP circular pipes. The unconcrete i...

Embodiment 2

[0065] refer to figure 2 , this kind of oil and gas multiphase transportation integrated flat cavity pipeline structure system is composed of two pipelines connected by GFRP anti-buckling energy dissipation damper. The monomer is composed of integral node connections, combined with Figure 12 As shown, the curved pipe unit is formed by two seamless inner and outer layers of wound GFRP circular pipes and interlayer self-compacting fine stone concrete, as shown in Fig. Figure 9 , Figure 11 As shown, the outer side of the inner GFRP round pipe and the inner side of the outer GFRP round pipe are provided with shear connection keys according to certain rules, and the straight pipe unit and the curved pipe unit are connected on site with integral nodes, as shown in Image 6 , Figure 7 As shown, the integral joint is formed by sandwiching concrete between the inner and outer two-layer GFRP circular pipes. The unconcrete integral joint is connected and fixed with the two pipes ...

Embodiment 3

[0069] refer to image 3 , this kind of oil and gas multiphase transportation integrated flat cavity pipeline structure system is composed of two pipelines connected by GFRP anti-buckling energy dissipation dampers, in which a single pipeline is composed of straight pipeline monomers and spanning pipeline monomers connected by integral nodes , combined with Figure 13 As shown, the spanning pipe unit is formed by two seamless inner and outer layers of wound GFRP round pipes and interlayer self-compacting fine stone concrete, as shown in Figure 9 , Figure 11 As shown, the outer side of the inner GFRP round pipe and the inner side of the outer GFRP round pipe are provided with shear connection keys according to certain rules, and the integral node field connection is adopted between the straight pipe unit and the spanning pipe unit, as shown in Image 6 , Figure 7 As shown, the integral joint is formed by sandwiching concrete between two layers of GFRP circular pipes insid...

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Abstract

A structural system and construction method of an integrated flat-cavity pipeline for oil and gas multiphase transportation, relating to the technical field of pipelines, which is formed by connecting two pipelines through GFRP anti-buckling energy-dissipating dampers, and the two pipelines are arranged side by side in parallel, and each pipeline includes Pipeline monomer and integral joint, the pipeline monomer includes outer GFRP round pipe, inner GFRP round pipe and self-compacting fine stone concrete layer, bolt holes are provided at both ends of the pipe monomer; the outer wall of the outer GFRP round pipe There are reserved bolt holes for the outer GFRP round pipe; the two pipeline monomers are connected by an integral node, and the integral node is connected with the bolt holes at the ends of the two pipeline monomers through high-strength bolts. There are concrete pouring holes and air vents, and the concrete pouring holes and air vents are distributed at intervals. The structure system and construction method of the integrated flat cavity pipeline for oil and gas multiphase transportation solve the problems of small diameter, poor stability and impermeability of traditional pipelines.

Description

Technical field: [0001] The invention relates to the technical field of pipelines, in particular to a structural system and a construction method of an integrated flat cavity pipeline for oil and gas multiphase transportation. Background technique: [0002] Conventional long-distance pipelines are mostly round steel pipes and reinforced concrete round pipes, with diameters ranging from 0.5 meters to 1.5 meters. One end adopts the form of an enlarged head, and the connection between the pipes is realized through the head. The liquid is transported in the steel pipe all the year round, and it is easy to rust. Long-term erosion will reduce the effective thickness of the pipe wall, reduce the rigidity of the pipe wall, and local buckling will easily occur under the pressure of the soil and the outside world. At the same time, due to the erosion of the inner wall by the liquid in the pipeline, there are more and more impurities. It is difficult to meet the quality inspection stan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L9/14F16L9/19F16L13/11F16L55/033F16L59/14F16L59/20B28B21/56B28B21/72B28B21/82
CPCB28B21/56B28B21/72B28B21/82F16L9/14F16L9/20F16L13/116F16L55/033F16L59/14F16L59/182F16L59/20
Inventor 计静刘迎春姜良芹王莉莉梁媛薛婷
Owner NORTHEAST GASOLINEEUM UNIV
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