CN217951668U

CN217951668U - Offshore oil conveying pipeline

Info

Publication number: CN217951668U
Application number: CN202222038992.XU
Authority: CN
Inventors: 何静
Original assignee: Sichuan Jiuzhong Construction Engineering Co ltd
Current assignee: Sichuan Jiuzhong Construction Engineering Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-12-02
Anticipated expiration: 2032-08-03

Abstract

The utility model relates to an offshore oil pipeline relates to petroleum pipeline technical field, including the inner tube, the surface of inner tube is provided with the adiabatic blanket layer of aerogel, and the surface on the adiabatic blanket layer of aerogel is provided with cold-resistant layer, and the surface on cold-resistant layer is provided with the outer tube, and the fixed surface of outer tube is connected with the mounting panel, and the internal thread groove has been seted up on the surface of mounting panel, and the inner wall of inner tube is the triangle-shaped structure, and the inner wall coating of inner tube has anticorrosive drag reduction epoxy coating, and inner tube and outer tube are the carbon steel, and the adiabatic blanket layer of aerogel is aerogel and polyester fiber, and the surface coating of outer tube has the fluorescent layer. The beneficial effects of the utility model reside in that, improve the antiscour ability of petroleum pipeline in the sea water to improve petroleum pipeline's life.

Description

Offshore oil conveying pipeline

Technical Field

The utility model relates to a petroleum pipeline technical field especially relates to an offshore oil pipeline.

Background

In offshore oil exploitation, an offshore oil pipeline connects an offshore oil and gas field oil storage facility or a land processing terminal into an organic whole, so that each link of an offshore production facility forms a production operation system which is related and coordinated with each other through the pipeline, the offshore oil pipeline is an important component in ocean engineering equipment, and as the offshore flexible pipe has good flexibility, high installation efficiency and strong seabed adaptability, can be recovered, and has stronger corrosion resistance, the flexible pipe is more and more emphasized.

However, in the prior art, the existing petroleum conveying pipeline has poor seawater impact resistance, and is very easy to be damaged and perforated under the long-term flushing of seawater, so that the service life of the submarine pipeline is seriously influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, the main object of the present invention is to provide an offshore oil transportation pipeline.

The technical scheme of the utility model is like this: the utility model provides an offshore oil pipeline, includes the inner tube, the surface of inner tube is provided with the adiabatic blanket layer of aerogel, the surface on the adiabatic blanket layer of aerogel is provided with cold-resistant layer, the surface on cold-resistant layer is provided with the outer tube, the fixed surface of outer tube is connected with the mounting panel, the internal thread groove has been seted up on the surface of mounting panel.

In a preferred embodiment, the inner wall of the inner tube has a triangular structure.

In a preferred embodiment, the inner wall of the inner pipe is coated with an anti-corrosion drag-reducing epoxy resin coating.

As a preferred embodiment, the inner pipe and the outer pipe are both carbon steel.

As a preferred embodiment, the aerogel thermal insulation blanket layer is aerogel and polyester fiber.

In a preferred embodiment, the surface of the outer tube is coated with a phosphor layer.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. adopt the triangle-shaped structure through the inner tube, the triangle-shaped structure has very strong anti deformability, improves petroleum pipeline's life, all adopts the carbon steel through inner tube and outer tube for petroleum pipeline wholly has characteristics such as fine hydrostatic resistance pressure performance, impact resistance, moisture resistance.

2. Through the setting of anticorrosive drag reduction epoxy coating for inner tube surface is smooth level and smooth, and coefficient of friction is little, and reducible fluid medium resistance increases the transmission capacity, thereby improves oil gas conveying efficiency, and has anticorrosive effectual, has effectively kept apart steel pipe substrate and transport medium, provides the corrosion barrier for the steel pipe inner wall, does benefit to and alleviates the corrosive action of transport medium to the steel pipe inner wall, prolongs submarine pipeline's life.

3. The aerogel and polyester fibers are adopted in the aerogel heat insulation blanket layer, so that good heat insulation performance can be provided for a pipeline system; the fluorescent ring layer is arranged on the outer tube, so that the warning effect is achieved at night or under the condition of poor light.

Drawings

Fig. 1 is the utility model provides an axonometric view of marine oil conveying pipeline structure.

Fig. 2 is a side view of the utility model provides an offshore oil pipeline structure.

Fig. 3 is an enlarged view of the structure a in fig. 1 according to the present invention.

Illustration of the drawings: 1. an inner tube; 2. an aerogel insulating blanket layer; 3. a cold-resistant layer; 4. an outer tube; 5. an anti-corrosion drag-reduction epoxy resin coating; 6. a fluorescent layer; 7. mounting a plate; 8. an internal thread groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The invention will be further described with reference to the accompanying drawings and specific embodiments

Example 1

As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a technical solution: the heat insulation blanket comprises an inner pipe 1, wherein an aerogel heat insulation blanket layer 2 is arranged on the surface of the inner pipe 1, a cold-resistant layer 3 is arranged on the surface of the aerogel heat insulation blanket layer 2, an outer pipe 4 is arranged on the surface of the cold-resistant layer 3, an installation plate 7 is fixedly connected to the surface of the outer pipe 4, and an inner thread groove 8 is formed in the surface of the installation plate 7; the inner wall of the inner tube 1 is a triangular structure.

In this embodiment, adopt the triangle-shaped structure through inner tube 1, the triangle-shaped structure has very strong anti deformability, improves petroleum pipeline's life, and through the thread groove 8 of seting up on the mounting panel 7, can be through threaded connection bolt in thread groove 8, accomplish the quick installation work to petroleum pipeline.

Example 2

As shown in fig. 1 and 2, the inner wall of the inner pipe 1 is coated with an anti-corrosive drag-reducing epoxy resin coating 5; the inner pipe 1 and the outer pipe 4 are both made of carbon steel; the aerogel heat insulation blanket layer 2 is made of aerogel and polyester fibers; the surface of the outer tube 4 is coated with a fluorescent layer 6.

In the embodiment, the anti-corrosion and anti-drag epoxy resin coating 5 is arranged, so that the surface of the inner pipe 1 is smooth and flat, the friction coefficient is small, the resistance of a fluid medium can be reduced, and the conveying capacity is increased, so that the oil-gas conveying efficiency is improved, the anti-corrosion effect is good, the steel pipe base material and the conveying medium are effectively isolated, a corrosion barrier is provided for the inner wall of the steel pipe, the corrosion effect of the conveying medium on the inner wall of the steel pipe is favorably reduced, and the service life of a submarine conveying pipeline is prolonged; the inner pipe 1 and the outer pipe 4 are made of carbon steel, so that the petroleum pipeline has the characteristics of good hydrostatic pressure resistance, impact resistance, moisture resistance and the like; the aerogel and polyester fibers are adopted in the aerogel heat insulation blanket layer 3, so that good heat insulation performance can be provided for a pipeline system; the fluorescent ring layer 6 is arranged on the outer tube 4, so that the warning effect is achieved at night or under the condition of poor light.

The working principle is as follows: the inner pipe 1 is of a triangular structure, and the triangular structure has strong deformation resistance and prolongs the service life of the petroleum pipeline; by arranging the anti-corrosion and anti-drag epoxy resin coating 5, the surface of the inner pipe 1 is smooth and flat, the friction coefficient is small, the resistance of a fluid medium can be reduced, and the conveying capacity is increased, so that the oil-gas conveying efficiency is improved, the anti-corrosion effect is good, the steel pipe base material and the conveying medium are effectively isolated, a corrosion barrier is provided for the inner wall of the steel pipe, the corrosion effect of the conveying medium on the inner wall of the steel pipe is favorably reduced, and the service life of a submarine conveying pipeline is prolonged; the inner pipe 1 and the outer pipe 4 are made of carbon steel, so that the petroleum pipeline has the characteristics of good hydrostatic pressure resistance, impact resistance, moisture resistance and the like; the aerogel and polyester fibers are adopted in the aerogel heat insulation blanket layer 3, so that good heat insulation performance can be provided for a pipeline system; the fluorescent ring layer 6 is arranged on the outer tube 4, so that the warning effect is achieved at night or under the condition of poor light.

Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims

1. An offshore oil transfer pipe, comprising an inner pipe (1), characterized in that: the surface of inner tube (1) is provided with adiabatic blanket layer of aerogel (2), the surface of adiabatic blanket layer of aerogel (2) is provided with cold-resistant layer (3), the surface on cold-resistant layer (3) is provided with outer tube (4), the fixed surface of outer tube (4) is connected with mounting panel (7), internal thread groove (8) have been seted up on the surface of mounting panel (7).

2. The marine oil transfer pipeline of claim 1, wherein: the inner wall of the inner pipe (1) is of a triangular structure.

3. An offshore oil transfer pipe according to claim 1, characterized in that: the inner wall of the inner pipe (1) is coated with an anti-corrosion drag-reduction epoxy resin coating (5).

4. The marine oil transfer pipeline of claim 1, wherein: the inner pipe (1) and the outer pipe (4) are both made of carbon steel.

5. The marine oil transfer pipeline of claim 1, wherein: the aerogel heat insulation blanket layer (2) is made of aerogel and polyester fibers.

6. The marine oil transfer pipeline of claim 1, wherein: the surface of the outer tube (4) is coated with a fluorescent layer (6).