CN102269328B - Offshore oil and gas transportation flexible vertical pipeline - Google Patents
Offshore oil and gas transportation flexible vertical pipeline Download PDFInfo
- Publication number
- CN102269328B CN102269328B CN 201110237066 CN201110237066A CN102269328B CN 102269328 B CN102269328 B CN 102269328B CN 201110237066 CN201110237066 CN 201110237066 CN 201110237066 A CN201110237066 A CN 201110237066A CN 102269328 B CN102269328 B CN 102269328B
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- Prior art keywords
- cable
- flexible pipe
- anchor chain
- floating drum
- connecting band
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- 238000010276 construction Methods 0.000 description 5
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- 238000011084 recovery Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000004210 cathodic protection Methods 0.000 description 1
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses an offshore oil and gas transportation flexible vertical pipeline. The pipeline comprises a cable, a flexible pipe for oil and gas transportation, an anchor chain for determining the spatial path of the pipeline, and a buoyancy component, wherein the cable is connected with the anchor chain through a connecting component and is provided with a constraint component which sleeves the flexible pipe to prevent the flexible pipe from being drifted; and the anchor chain supported by the buoyancy component is provided with a vertical gravity catenary segment and a transverse wave line segment to determine the spatial path of the vertical pipeline. The flexible vertical pipe is used for realizing the oil and gas transportation, and the cable and the gravity anchor chain can effectively constrain the flexible pipe, so that reliable oil and gas transportation is realized, the flexible pipe is prevented from being subjected to large-displacement drifting in seawater and is well protected, and the pipeline is firm, reliable, safe, and convenient and easy to construct at a high speed, and has low cost.
Description
Technical field
The present invention relates to the operation on the sea system fields such as offshore oil production, gas production, be specifically related to a kind of offshore oil delivery gas transmission compliant riser pipeline.
Background technique
Day by day exhausted along with coastal area and shoal water deposit petroleum resources, the exploitation of deep petroleum resources and produce target for the marine energy exploitation.The large-scale offshore oilfield of finding at present is in deep water sea area mostly, and the exploitation of countries in the world marine oil and gas resource and production are just being accelerated to darker waters development.Petroleum pipeline is one of structure crucial in the deep-sea oil recovery production system, and along with the degree of depth of offshore oil field is deepened, design, construction and the operation management of traditional steel pipe oil transport pipeline are more and more difficult, and cost is also more and more higher.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of safe and reliable, easy construction is easy, speed of application is fast, cost is low offshore oil delivery gas transmission compliant riser pipeline.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of offshore oil delivery gas transmission compliant riser pipeline, it comprises that cable, cable top are used for the flexible pipe of On The Oil And Gas Transportation, cable below for the anchor chain of determining the pipeline space path; Adopt restraint assembly to link to each other between described cable and the described flexible pipe; Adopt connection part to link to each other between described cable and the described anchor chain; Described anchor chain links to each other with buoyance module.Described restraint assembly entangles flexible pipe and drifts about to prevent flexible pipe; Described connection part is fixed in cable guarantees on the anchor chain that anchor chain, cable, pipeline have identical space path; Buoyance module is held anchor chain and is formed vertical gravity stretched wire line segment and horizontal wave line segment.
Further improvement as technical solution of the present invention:
Described connection part comprises connecting band and the first anchor clamps of being located at the connecting band two ends, and the end of described the first anchor clamps is provided with locating slot, and described cable is clamped and fastened in the locating slot, and anchor chain is sheathed in the connecting band that is connected in from beginning to end on the cable.
Described restraint assembly comprises restraint strap and the second anchor clamps of being located at the restraint strap two ends, and the end of described the second anchor clamps is provided with locating slot, and described cable is clamped and fastened in the locating slot, and hose proof is located in the restraint strap that is connected in from beginning to end on the cable.
Described buoyance module comprises buoyancy tank and/or floating drum, and described buoyancy tank and floating drum can adopt simultaneously, also can adopt wherein a kind of.
Described buoyancy tank is fixed in the seafloor foundation by the buoyancy tank tension cord, and described buoyancy tank and anchor chain are bolted.
Described floating drum links to each other with anchor chain by the floating drum connecting band.
The end of described flexible pipe is provided with hose coupling, described hose coupling comprises the reinforcement hoop of connecting tube and strap bolt, described flexible pipe bonding is sheathed on the connecting tube, described reinforcement cuff is located on the connecting part of described flexible pipe and connecting tube, and the outlet end of described connecting tube is provided with the joint that connects for installing.
The present invention has following advantage:
1, the present invention adopts flexible pipe as the standpipe of offshore oil delivery gas transmission, and gravity anchor chain, buoyancy tank and floating drum have been determined the space path of pipeline, and cable and restraint assembly prevent that flexible pipe from the drift of large displacement occuring, and the flexible pipe that is subject to operative constraint can be carried oil gas reliably.This On The Oil And Gas Transportation standpipe has that flexible pipe protects, solid and reliable, advantage that cost is low.
2, the present invention adopts the flexible pipe standpipe to realize On The Oil And Gas Transportation, hose quality is light, need not antirust processing, can fold, can coil circle on cylinder, the tailure in buckling of pipeline can not occur owing to seawater pressure in work progress, and joint is few, and laying construction speed is fast; When adopting flexible pipe to carry oil gas, the pressure that oil gas produces in the flexible pipe can come balance by the seawater pressure of flexible pipe outside, and the stress that acts on the flexible pipe tube wall is little, more saves material; The employing flexible pipe is when carrying oil gas, and the proportion of oil gas is less than seawater in the pipe, and the oil gas in the flexible pipe can be subject to the floating function of seawater, and oil gas has the trend of moving to the sea voluntarily in pipeline under the effect of buoyancy, can reduce the discharge pressure of pipeline.
3, standpipe of the present invention can reduce the laying length of oil and gas pipeline on sea bed, avoids pipeline installation on the sea bed with complex-terrain landforms.
4, standpipe of the present invention has horizontal mitigation wave line segment, and its suffered stress of barge and flexible pipe joint pipeline that can reduce to recover the oil can relax level and the vertical displacement limit value of oil recovery barge under Wave Load.
Description of drawings
Fig. 1 is the standpipe line construction schematic representation of the embodiment of the invention.
Fig. 2 is the standpipe pipeline vertical section cross-sectional view of the embodiment of the invention.
Fig. 3 is the standpipe pipeline traversing section cross-sectional view of the embodiment of the invention.
Fig. 4 is the structural representation of connection part in the embodiment of the invention.
Fig. 5 is the structural representation of restraint assembly in the embodiment of the invention.
Fig. 6 is the structural representation of buoyancy tank and anchor chain relation in the embodiment of the invention.
Fig. 7 is the structural representation of hose coupling in the embodiment of the invention.
Fig. 8 is the structural representation of the laying of the embodiment of the invention when using.
Marginal data: 1, cable; 2, flexible pipe; 21, hose coupling; 211, connecting tube; 212, joint; 213, strengthen hoop; 3, anchor chain; 4, restraint assembly; 41, restraint strap; 42, the second anchor clamps; 421, locating slot; 5, cable enters the water management pulley; 6, flexible pipe control capstan winch; 7, cable control capstan winch; 8, connection part; 81, connecting band; 82, the first anchor clamps; 821, locating slot; 9, buoyance module; 91, floating drum; 910, floating drum connecting band; 911, floating drum connecting band fixed end; 92, buoyancy tank; 921, buoyancy tank tension cord; 922, the fixing bolt of anchor chain on the buoyancy tank; 10, offshore platform or production vessel; 11, seafloor foundation.
Embodiment
Such as Fig. 1, Fig. 2, shown in Figure 3, the compliant riser pipeline of the offshore oil delivery gas transmission in the embodiment of the invention mainly comprises cable 1, the flexible pipe 2 that is used for On The Oil And Gas Transportation and the anchor chain 3 of definite pipeline space path; Anchor chain 3 is provided with buoyance module 9, buoyance module comprises floating drum 91, buoyancy tank 92, described buoyancy tank 92 is fixed in the seafloor foundation 11 by buoyancy tank tension cord 921, the anchor chain 3 of being held by buoyancy tank 92 and floating drum 91 forms the space path of standpipe pipeline, adopt connection part 8 to link to each other between described cable 1 and the anchor chain 3, described cable 1 is provided with restraint assembly 4 and entangles flexible pipe 2 and drift about to prevent flexible pipe 2.
As shown in Figure 4, connection part 8 comprises connecting band 81 and is located at first anchor clamps 82 at connecting band 81 two ends, the end of the first anchor clamps 82 is provided with locating slot 821, and cable 1 is clamped and fastened in the locating slot 821, and anchor chain 3 is sheathed in the connecting band 81 that is connected in from beginning to end on the cable 1.Connection part is 8 simple in structure, cost is low, anchor chain 3 and cable 1 can be coupled together reliably.Before not gripping with cable 1, connection part 8 is provided with the ribbon of the first anchor clamps 82 for two ends, in use first anchor clamps 82 are clamped and fastened on the cable 1, then connecting band 81 is entangled anchor chain 3, at last another first anchor clamps 82 are clamped and fastened on the installation that can realize connection part 4 on the cable 1.
As shown in Figure 5, restraint assembly 4 comprises restraint strap 41 and is located at second anchor clamps 42 at restraint strap 41 two ends, the end of the second anchor clamps 42 is provided with locating slot 421, and cable 1 is clamped and fastened in the locating slot 421, and flexible pipe 2 is sheathed in the restraint strap 41 that is connected in from beginning to end on the cable 1.Restraint assembly is 4 simple in structure, cost is low, can realize the fixing reliable of flexible pipe 2 and don't can damage flexible pipe 2.Before not gripping with cable 1, restraint assembly 4 is provided with the ribbon of the second anchor clamps 42 for two ends, in use second anchor clamps 42 are clamped and fastened on the cable 1, then restraint strap 41 is entangled flexible pipe 2, at last another second anchor clamps 42 are clamped and fastened on the installation that can realize restraint assembly 4 on the cable 1.
As shown in Figure 6, anchor chain 3 adopts bolt 922 to be fixed on the buoyancy tank 92.
As shown in Figure 3, anchor chain 3, cable 1 and flexible pipe line 2 that floating drum connecting band 910 will interconnect and retrain together entangle, and are fixed on the floating drum 91 by floating drum connecting band fixed end 911.
As shown in Figure 7, the end of flexible pipe 2 is provided with hose coupling 21, hose coupling 21 comprises the reinforcement hoop 213 of connecting tube 211 and strap bolt, flexible pipe 2 bondings are sheathed on the connecting tube 211, strengthen binding round 213 and be sheathed on the connecting part of flexible pipe 2 and connecting tube 211, the outlet end of connecting tube 211 is provided with the joint 212 that connects for installing.The structure of hose coupling 21 can be used for being connected of flexible pipe 2 and other links on the one hand, for example with under water, being connected of equipments for oil extraction waterborne, also can be used on the other hand the lengthening of flexible pipe 2, linkage structure is solid and reliable, the pulling force that in the time of can effectively bearing construction pipeline is applied.In the present embodiment, flexible pipe 2 bondings are sheathed on to form on the connecting tube 211 and are tightly connected, and sealingly secure is reliable.Joint 212 is provided with bolt hole, it can be linked to each other with the flange of other equipment.
In the present embodiment, cable 1 adopts wirerope, the hawser that also can adopt in addition other materials to make, and the radical of cable also can be two or many.Flexible pipe 2 is that high strength fibre silk and the coiling of primer material form, and the high strength fibre silk can adopt carbon fiber, glass fibre, aramid fibre or other high strength fibre silks; Also can be made by common plastics or rubber material in addition.Restraint assembly 4 also can adopt other structures except the disclosed shape of present embodiment, as long as can be with flexible pipe 2 constraints, restraint strap 41 can adopt steel plate, steel bar, cable wire, steel wire or cellulon etc.Connection part 8 also can adopt other structures except the disclosed shape of present embodiment, as long as cable 1 can be connected connection with anchor chain, connecting band 81 can adopt steel plate, steel bar, cable wire, steel wire or cellulon etc.All steel materials with contact with sea water in the present embodiment can carry out rust preventive coating processing or the antirust processing of cathodic protection.
As shown in Figure 8, when laying the standpipe pipeline at sea by laying ship, cable 1 winding is on cable control capstan winch 7, flexible pipe 2 windings are on flexible pipe control capstan winch 6, stern-side is provided with cable and enters water management pulley 5, and anchor chain 3 is stacked to be laid on the ship or on other Support ships, and operating procedure is as follows in detail:
1) hose coupling 21 is installed.The flexible pipe 2 that flexible pipe is controlled on the capstan winch 6 is pulled out enough length, flexible pipe 2 bondings are sheathed on the connecting tube 211 of hose coupling 21, be sheathed on the connecting part of flexible pipe 2 and connecting tube 211 strengthening hoop 213, by tightening the bolt of strengthening on the hoop 213 connecting tube 211 and flexible pipe 2 closely be socketed the hermetic degree that reached.
2) cable 1 of cable being controlled on the capstan winch 7 is pulled out enough length, allows cable 1 pass cable and enters after the water management pulley 5, and the termination of cable 1 is welded on the hose coupling 21 of flexible pipe 2.
3) move ahead along with laying ship, enter water management pulley 5 by cable control capstan winch 7, flexible pipe control capstan winch 6 and cable cable 1, flexible pipe 2 and anchor chain 3 are put into gradually synchronously in the sea.Restraint assembly 4 and connection part 8 are installed at the afterbody of laying ship, and only having need to be on cable 1 when fixed constraint assembly 4 and connection part 8, lays ship and temporarily stops to move ahead and stopping cable laying.Place a restraint assembly 4 for per 1 meter, place a connection part 8 for per 2 meters.
When restraint assembly 4 is installed, second anchor clamps 42 are clamped and fastened on the cable 1, then restraint strap 41 are entangled flexible pipe 2, at last another second anchor clamps 42 are clamped and fastened on the cable 1.
When connection part 8 is installed, first anchor clamps 82 are clamped and fastened on the cable 1, then connecting band 81 are entangled anchor chain 3, at last another first anchor clamps 82 are clamped and fastened on the cable 1.
When the top of buoyancy tank 92 is passed through in pipe installation, anchor chain 3 is fixed on the buoyancy tank 92.
, flexible hose 2 and the anchor chain 3 of cable 1, belt lacing 21 is connected respectively on the associated components of offshore platform or production vessel 10 with pipe installation during to offshore platform or production vessel 10 by design.
Allow floating drum connecting band 910 pass anchor chain 3 flexible pipe 2 and cable 1 are entangled, by floating drum connecting band fixed end 911 floating drum connecting band 910 is fixed on the floating drum 91, make the traversing section of standpipe pipeline form the wave-like that relaxes.
The above only is preferred implementation of the present invention, and protection scope of the present invention is not limited in above-mentioned mode of execution, and every technological scheme that belongs to the principle of the invention all belongs to protection scope of the present invention.For a person skilled in the art, some improvements and modifications of under the prerequisite that does not break away from principle of the present invention, carrying out, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (2)
1. offshore oil delivery gas transmission compliant riser pipeline is characterized in that: it comprises that cable (1), cable (1) top are used for the anchor chain (3) that the flexible pipe (2) of On The Oil And Gas Transportation, cable (1) below are used for determining the pipeline space path; Adopt restraint assembly (4) to link to each other between described cable (1) and the described flexible pipe (2); Adopt connection part (8) to link to each other between described cable (1) and the described anchor chain (3); Described anchor chain (3) links to each other with buoyance module (9);
Described connection part (8) comprises connecting band (81) and is located at first anchor clamps (82) at connecting band (81) two ends, the end of described the first anchor clamps (82) is provided with locating slot (821), described cable (1) is clamped and fastened in the locating slot (821), and described anchor chain (3) is sheathed in the connecting band (81) that is connected in from beginning to end on the cable (1);
Described restraint assembly (4) comprises restraint strap (41) and is located at second anchor clamps (42) at restraint strap (41) two ends, the end of described the second anchor clamps (42) is provided with locating slot (421), described cable (1) is clamped and fastened in the locating slot (421), and described flexible pipe (2) is sheathed in the restraint strap (41) that is connected in from beginning to end on the cable (1);
Described buoyance module (9) comprises floating drum (91) and buoyancy tank (92); Described buoyancy tank (92) is fixed in the seafloor foundation (11) by buoyancy tank tension cord (921); Described anchor chain (3) adopts bolt (922) to be fixed on the described buoyancy tank (92);
Adopt floating drum connecting band (910) to link to each other between described anchor chain (3) and the described floating drum (91), the two ends of described floating drum connecting band (910) have floating drum connecting band fixed end (911); Described floating drum connecting band (910) passes described anchor chain (3), and described cable (1) and flexible pipe (2) are entangled, and recycles described floating drum connecting band fixed end (911) described floating drum connecting band (910) is fixed on the described floating drum (91).
2. offshore oil delivery gas transmission compliant riser pipeline according to claim 1, it is characterized in that: the end of described flexible pipe (2) is provided with hose coupling (21), described hose coupling (21) comprises the reinforcement hoop (213) of connecting tube (211) and strap bolt, described flexible pipe (2) is sheathed on the connecting tube (211), described reinforcement hoop (213) is sheathed on the connecting part of described flexible pipe (2) and connecting tube (211), and the outlet end of described connecting tube (211) is provided with the joint (212) that connects for installing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110237066 CN102269328B (en) | 2011-08-18 | 2011-08-18 | Offshore oil and gas transportation flexible vertical pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110237066 CN102269328B (en) | 2011-08-18 | 2011-08-18 | Offshore oil and gas transportation flexible vertical pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN102269328A CN102269328A (en) | 2011-12-07 |
| CN102269328B true CN102269328B (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110237066 Expired - Fee Related CN102269328B (en) | 2011-08-18 | 2011-08-18 | Offshore oil and gas transportation flexible vertical pipeline |
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| CN (1) | CN102269328B (en) |
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| EP2696123A1 (en) * | 2012-08-06 | 2014-02-12 | Siemens Aktiengesellschaft | Cable hang-off arrangement |
| CN103398218B (en) * | 2013-05-30 | 2015-06-17 | 中国石油集团海洋工程有限公司 | Construction and protection method for long-distance parallel subsea pipeline |
| CN103397865A (en) * | 2013-08-14 | 2013-11-20 | 大连理工大学 | Diving buoyancy tube |
| CN103822019B (en) * | 2014-03-11 | 2015-12-09 | 东北石油大学 | Suspension conveying pipeline and method of construction thereof in water |
| CN108050301B (en) * | 2017-11-01 | 2019-08-16 | 中交第四航务工程局有限公司 | A kind of great diameter and long HDPE pipeline immersing method |
| CN108488626A (en) * | 2018-04-11 | 2018-09-04 | 江苏太平橡胶股份有限公司 | The underwater pipeline road structure of configuration buoyancy controllable |
| CN112856040B (en) * | 2020-12-31 | 2022-03-08 | 中交第三航务工程局有限公司江苏分公司 | Novel sea area pipeline laying floating assisting method |
| CN113217295B (en) * | 2021-06-21 | 2022-07-08 | 中天科技海缆股份有限公司 | Shallow water floating type wind power system and dynamic cable assembly thereof |
| CN114228909B (en) * | 2022-01-13 | 2023-03-14 | 山东产研先进材料研究院有限公司 | Working platform used on sea |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1118618A (en) * | 1993-09-07 | 1996-03-13 | 大陆Emsco公司 | Flexible riser system |
| CN1320201A (en) * | 1998-09-25 | 2001-10-31 | 易通艾罗奎普有限公司 | Clip fitting for hose |
| CN101701647A (en) * | 2009-11-11 | 2010-05-05 | 郑振卫 | Clamp for self-supporting cable |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003218543A1 (en) * | 2002-03-27 | 2003-10-08 | Sergio Pinheiro Torggler | A flexible duct for transporting fluids, and use of a flexible duct for transportating fluids |
| MY171043A (en) * | 2008-09-09 | 2019-09-23 | Misc Berhad | A offshore seabed to surface conduit transfer system |
-
2011
- 2011-08-18 CN CN 201110237066 patent/CN102269328B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1118618A (en) * | 1993-09-07 | 1996-03-13 | 大陆Emsco公司 | Flexible riser system |
| CN1320201A (en) * | 1998-09-25 | 2001-10-31 | 易通艾罗奎普有限公司 | Clip fitting for hose |
| CN101701647A (en) * | 2009-11-11 | 2010-05-05 | 郑振卫 | Clamp for self-supporting cable |
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| CN102269328A (en) | 2011-12-07 |
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