CN102734598A - A submarine oil pipeline - Google Patents
A submarine oil pipeline Download PDFInfo
- Publication number
- CN102734598A CN102734598A CN2012102234620A CN201210223462A CN102734598A CN 102734598 A CN102734598 A CN 102734598A CN 2012102234620 A CN2012102234620 A CN 2012102234620A CN 201210223462 A CN201210223462 A CN 201210223462A CN 102734598 A CN102734598 A CN 102734598A
- Authority
- CN
- China
- Prior art keywords
- outer winding
- belt
- pipeline
- main body
- winding type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000004743 Polypropylene Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 6
- -1 polypropylene Polymers 0.000 claims abstract description 6
- 229920001155 polypropylene Polymers 0.000 claims abstract description 5
- 238000004804 winding Methods 0.000 claims abstract 18
- 230000001681 protective effect Effects 0.000 claims abstract 12
- 239000006261 foam material Substances 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 14
- 239000013535 sea water Substances 0.000 abstract description 13
- 239000003208 petroleum Substances 0.000 abstract description 9
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 238000005086 pumping Methods 0.000 abstract description 5
- 238000006056 electrooxidation reaction Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000005187 foaming Methods 0.000 abstract 2
- 238000004321 preservation Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 230000007935 neutral effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
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- Rigid Pipes And Flexible Pipes (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a submarine petroleum pipeline, which comprises a plurality of circular pipe-shaped pipeline main body units and a belt-shaped outer winding type protection belt made of polypropylene foaming materials, wherein the pipeline main body units are sequentially connected, the outer winding type protection belt is spirally wound on the circumferential surface of the pipeline main body units, the edges of two sides of the outer winding type protection belt are respectively provided with a sealing buckling edge and a sealing buckling groove, and the sealing buckling edge of the first side of the outer winding type protection belt is embedded into the sealing buckling groove wound on the second side of the outer winding type protection belt on the side. The invention has simple structure, can prevent seawater corrosion and electrochemical corrosion, has long service life, isolates the pipeline main body unit from seawater, reduces the technical requirements of the pipeline main body unit, reduces the cost, and is not easy to have weak points on the submarine petroleum pipeline. In addition, the belt-shaped outer winding type protective belt made of the polypropylene foaming material has good temperature resistance and heat preservation effects, and keeps the fluidity of petroleum in the pipeline, thereby reducing the pumping pressure and reducing the energy consumption.
Description
Technical field
The present invention relates to technology neck petroleum pipeline territory, especially relate to a kind of offshore oilfield pipeline.
Background technique
In the existing technology, for the petroleum pipeline that uses in the seabed, because the offshore oilfield pipeline long period of soaking is in seawater; Receive seawater corrosion, electrochemical corrosion etc.; Offshore oilfield pipeline is prone to weak spot, under manifold pressure or external force effect, breaks, or is exactly the long term in seawater surge; Fatigue stress, offshore oilfield pipeline are prone to break.In addition, for the flowability that strengthens pipeline PetroChina Company Limited. to reduce pumping pressure, need heat oil, and existing offshore oilfield pipeline heat insulation effect is not good, cause the flowability of oil to reduce, increased the pumping energy consumption.For solving above-mentioned technical barrier, existing technology has proposed multiple solution, but because of its complex structure, manufacturing technique requirent is high, and cost of production is very high, therefore is necessary to improve.
Summary of the invention
Deficiency to existing technology exists the purpose of this invention is to provide a kind of offshore oilfield pipeline, it have simple in structure, be easy to produce, cost is lower, heatproof and the good characteristics of heat insulation effect.
To achieve these goals, the technological scheme that the present invention adopted is:
A kind of offshore oilfield pipeline; The outer wrap style boundary belt of the band shape that comprises the pipe main body unit of some round tube shapes and process by PP foam material; Each pipe main body unit connects in order; Outer wrap style boundary belt spiral is wound in the circumferential surface of pipe main body unit, and the both sides of the edge of outer wrap style boundary belt are respectively arranged with seal buckle limit and sealing catching groove, and the seal buckle limit of outer wrap style boundary belt first side is embedded in the sealing catching groove that is wrapped in outer wrap style boundary belt second side of side.
The density of said PP foam material is 0.75g/cm
3~ 0.1g/cm
3, the heatproof degree is 100 ℃ ~ 130 ℃.
Said outer wrap style boundary belt is processed by polythene material.
The first side edge of the said outer wrap style boundary belt snapping portion that stretches out, the bottom surface of snapping portion is protruding with said seal buckle limit, and the seal buckle limit is positioned at the neutral position of snapping portion.
The second side edge of said outer wrap style boundary belt offers the limit groove, and the end face of limit groove and outer side surface penetrate outer wrap style boundary belt respectively, and the sealing catching groove is opened in the neutral position of the bottom of limit groove.
The snapping portion of outer wrap style boundary belt first side embedded adjacent outer wrap style boundary belt second side groove when said outer wrap style boundary belt spiral was wound in the circumferential surface of pipe main body unit.
The middle part of said outer wrap style boundary belt offers hollow portion along the belt length direction.
After adopting said structure, the present invention compares the advantage that is had with existing technology and is:
The present invention is simple in structure, and technological requirement is low, is easy to production and processing, installs simpler.Outer wrap style boundary belt can prevent seawater corrosion, electrochemical corrosion, is used in the environments such as subsea, and stable in properties is difficult for being damaged by corrosion long service life.Outer wrap style boundary belt is isolated pipe main body unit and seawater, can protect the pipeline main unit, reduces the technical requirements of pipe main body unit, reduces cost.Because outer wrap style boundary belt is the circumferential surface that spiral is wound in the pipe main body unit; Offshore oilfield pipeline is not prone to weak spot; Under petroleum pipeline internal pressure or external force effect, be difficult for breaking, weaken seawater and spring up the fatigue stress under the effect for a long time, offshore oilfield pipeline is difficult for breaking.In addition, the outer wrap style boundary belt of the band shape of being processed by PP foam material has good heatproof and heat insulation effect, keeps the flowability of pipeline PetroChina Company Limited., thereby reduces pumping pressure, cuts down the consumption of energy.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is an internal structure schematic representation of the present invention.
Among the figure: 1, pipe main body unit 2, outer wrap style boundary belt 3, seal buckle limit 4, sealing catching groove 5, snapping portion.
Embodiment
The following stated is merely preferred embodiment of the present invention, does not therefore limit protection scope of the present invention.
Embodiment; A kind of offshore oilfield pipeline; See that Fig. 1 is to shown in Figure 2: the pipe main body unit 1 and banded outer wrap style boundary belt 2 that comprise some round tube shapes; Each pipe main body unit 1 connects in order; Outer wrap style boundary belt 2 spirals are wound in the circumferential surface of pipe main body unit 1, and the both sides of the edge of outer wrap style boundary belt 2 are respectively arranged with seal buckle limit 3 and sealing catching groove 4, and the seal buckle limit 3 of outer wrap style boundary belt 2 first sides is embedded in the sealing catching groove 4 that is wrapped in outer wrap style boundary belt 2 second sides of side.
Outer wrap style boundary belt 2 can prevent seawater corrosion, electrochemical corrosion, is used in the environments such as subsea, and stable in properties is difficult for being damaged by corrosion long service life.
Outer wrap style boundary belt 2 is isolated pipe main body unit 1 and seawater, can protect pipeline main unit 1, reduces the technical requirements of pipe main body unit 1, reduces cost.
Because outer wrap style boundary belt 2 is circumferential surfacies that spiral is wound in pipe main body unit 1; Offshore oilfield pipeline is not prone to weak spot; Under petroleum pipeline internal pressure or external force effect, be difficult for breaking, weaken seawater and spring up the fatigue stress under the effect for a long time, offshore oilfield pipeline is difficult for breaking.
Outer wrap style boundary belt 2 is processed by the polypropylene material foam material of heatproof and high insulating effect, and its density is 0.75g/cm
3~ 0.1g/cm
3, the heatproof degree is 100 ℃ ~ 130 ℃; The middle part of outer wrap style boundary belt 2 offers hollow portion 6 along the belt length direction.The characteristic of the structure of hollow portion 6 and PP foam material itself makes that 2 pairs of petroleum pipelines of outer wrap style boundary belt have good heat insulation effect, thereby can reduce the pumping pressure of oil, cuts down the consumption of energy.
Need to prove: outer wrap style boundary belt 2 also can be processed by polythene material, but its heatproof and heat insulation effect are not as PP foam material.
The first side edge of the outer wrap style boundary belt 2 snapping portion 5 that stretches out, the bottom surface of snapping portion 5 is protruding with said seal buckle limit 3, and seal buckle limit 3 is positioned at the neutral position of snapping portion 5.The second side edge of outer wrap style boundary belt 2 offers the limit groove, and the end face of limit groove and outer side surface penetrate outer wrap style boundary belt 2 respectively, and sealing catching groove 4 is opened in the neutral position of the bottom of limit groove.The snapping portion 5 of outer wrap style boundary belt 2 first sides embedded adjacent outer wrap style boundary belt 2 second side grooves when outer wrap style boundary belt 2 spirals were wound in the circumferential surface of pipe main body unit 1.Seal buckle limit 3 has the turning point, many places with sealing cooperating of catching groove 4, and is better to the sealing effect of seawater, effectively insulating sea water, the heat insulation effect of 2 pairs of petroleum pipelines of the also further outer wrap style boundary belt of lifting simultaneously.
Pipe main body unit 1 is widely-used at present, and other structure is identical with existing technology with principle, repeats no more here.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102234620A CN102734598A (en) | 2012-06-29 | 2012-06-29 | A submarine oil pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102234620A CN102734598A (en) | 2012-06-29 | 2012-06-29 | A submarine oil pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102734598A true CN102734598A (en) | 2012-10-17 |
Family
ID=46990614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102234620A Pending CN102734598A (en) | 2012-06-29 | 2012-06-29 | A submarine oil pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102734598A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911747A (en) * | 2020-07-10 | 2020-11-10 | 中国兵器工业第五九研究所 | Seawater-soaking-resistant heat-insulation structure and preparation method thereof |
| CN112576857A (en) * | 2020-12-07 | 2021-03-30 | 马燕伟 | Low pressure water pipe connector, building rainwater water conservancy diversion pipeline maintenance special use connect suit |
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| WO2004104468A1 (en) * | 2003-05-20 | 2004-12-02 | P & F Co., Ltd | Pipe connector and apparatus for manufacturing the same and method for manufacturing the same |
| CN2835757Y (en) * | 2005-03-16 | 2006-11-08 | 大庆铭威电气机械制造有限公司 | Plastic-steel composite high pressure resistant pipe dedicated for oilfield |
| CN2903624Y (en) * | 2005-11-21 | 2007-05-23 | 韩瑞宏 | Steel reinforced hollow wall winding pipe |
| CN2932006Y (en) * | 2006-06-29 | 2007-08-08 | 林云青 | HDPE and PVC plastic-plastic composite twine pipe |
| CN101081914A (en) * | 2007-07-06 | 2007-12-05 | 天津市润生塑胶制品有限公司 | Polypropylene expanded material and method for manufacturing same |
| CN101269536A (en) * | 2008-04-30 | 2008-09-24 | 苏州大学 | Preparation method of polypropylene foam composite material |
| CN101538387A (en) * | 2008-03-17 | 2009-09-23 | 中国科学院宁波材料技术与工程研究所 | Polypropylene foaming material and production method thereof |
| CN102356264A (en) * | 2009-03-18 | 2012-02-15 | 迪普弗莱克斯有限公司 | Composite flexible pipe and method of manufacture |
-
2012
- 2012-06-29 CN CN2012102234620A patent/CN102734598A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004104468A1 (en) * | 2003-05-20 | 2004-12-02 | P & F Co., Ltd | Pipe connector and apparatus for manufacturing the same and method for manufacturing the same |
| CN1476968A (en) * | 2003-07-10 | 2004-02-25 | 刘德政 | Spiral pipe winded with plastic shaped material and connecting method of spiral pipe with large diameter |
| CN2835757Y (en) * | 2005-03-16 | 2006-11-08 | 大庆铭威电气机械制造有限公司 | Plastic-steel composite high pressure resistant pipe dedicated for oilfield |
| CN2903624Y (en) * | 2005-11-21 | 2007-05-23 | 韩瑞宏 | Steel reinforced hollow wall winding pipe |
| CN2932006Y (en) * | 2006-06-29 | 2007-08-08 | 林云青 | HDPE and PVC plastic-plastic composite twine pipe |
| CN101081914A (en) * | 2007-07-06 | 2007-12-05 | 天津市润生塑胶制品有限公司 | Polypropylene expanded material and method for manufacturing same |
| CN101538387A (en) * | 2008-03-17 | 2009-09-23 | 中国科学院宁波材料技术与工程研究所 | Polypropylene foaming material and production method thereof |
| CN101269536A (en) * | 2008-04-30 | 2008-09-24 | 苏州大学 | Preparation method of polypropylene foam composite material |
| CN102356264A (en) * | 2009-03-18 | 2012-02-15 | 迪普弗莱克斯有限公司 | Composite flexible pipe and method of manufacture |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911747A (en) * | 2020-07-10 | 2020-11-10 | 中国兵器工业第五九研究所 | Seawater-soaking-resistant heat-insulation structure and preparation method thereof |
| CN111911747B (en) * | 2020-07-10 | 2022-03-11 | 中国兵器工业第五九研究所 | Seawater-soaking-resistant heat-insulation structure and preparation method thereof |
| CN112576857A (en) * | 2020-12-07 | 2021-03-30 | 马燕伟 | Low pressure water pipe connector, building rainwater water conservancy diversion pipeline maintenance special use connect suit |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121017 |