In the development of the offshore oil and gas field, the submarine pipeline is the key component of offshore infrastructure. With the development of the oil and gas industry, flexible pipe (also known as a flexible pipe) is widely used in the development of offshore oil and gas fields. The composite hose can be used as a static pipeline (such as flowline) or dynamic pipeline (such as riser), which is widely used in production, injection, export and service pipelines. In the world, the number of composite hoses used as flexible risers plays an important role in the riser system.
The composite hose can be divided into two basic types according to the structural type: UN bonded flexible pipe and bonded flexible pipe. This paper mainly introduces the non bonded composite hose products used in offshore oil and gas development abroad.
Compared with steel pipe, the unbonded composite hose has significant advantages as a subsea pipeline:
The installation is convenient and fast, and the expansion bend does not need to be installed separately, so the accuracy of installation and connection is low;
Loading and installation are safe, no need for large pipe laying vessel and low cost;
Good flexibility, seafloor terrain adaptability, long continuous length and few installation joints;
Good corrosion resistance;
First oversea order of dynamic FP (6") |
First dynamical composite FP in China (8") (E&P) |
First large ID composite FP in China (12") (E&P) |
First high T thermal insulation composite FP in China (8") (E&P) |
First multiphase composite FP in China (8"&10") (E&P) |
First company that get the award of API certification of offshore composite FP in China |
First water-injection composite FP in China (4"& 6") (E&P) |
First gas transporting composite FP in China (3") (E&P) |
NOED established the R & D base of offshore composite FP |
- Materials laboratory: more than 400 sets of test equipment, research and development of pipe polymer and metal materials.
- Prototype laboratory: more than 100 sets of equipment to verify and test the trial-produced and finished composite pipe.
Subversive instead of steel pipe
Good flexibility, adapt to the submarine topography.
Targeted anti-corrosion design, the essential anti-corrosion function .
Single continuous length long, no need to install expansion bend.
Offshore construction is simple, low risk, low cost.
Recyclable, reusable and pollution-free.
2&4 inch pipe exporting to Venezuela 2018
6inch thermal insulation 23Mp export to Malaysia - 2017
10 inch 13Mp flexible pipe export to Malaysia - 2018
Type | Static + Dynamic |
ID | 10” |
Depth | 110 m |
Substance | Gas |
Design pressure | 13MPa |
Design temperature | 65℃ |
Length | 5000+500m |
Building completed | 2019.3 |
Parameter | Static | Dynamic |
OD | 2² - 14² | 2² - 14² |
Design Pressure | ≤40MPa | ≤40MPa |
Design Temperature | -40°C - 130°C | -40°C - 130°C |
Design depth | ≤ 300m | ≤ 300m |
Applications | water/oil/gas/chemical | water/oil/gas/chemical |
THE PROJECTS FOR VENEZUELA | |||||
No | Year | Project Name | Project Descriptions | Project site | Work Scope |
1 | 2018 | Fabrication of2& 4″ offshore flexible pipe | Fluid: Oil | Lake Maracaibo, Venezuela | Engineering construction |
ID:2&4'' | |||||
Length:6.4Km & 23.6km | |||||
Design Pressure:2300Psi & 900Psi | |||||
Design Temperature:Max.60℃ | |||||
Water Depth:40m | |||||
2 | 2017 | Fabrication of 4″ offshore flexible pipe | Fluid: Oil | Lake Maracaibo, Venezuela | Engineering construction |
ID:4'' | |||||
Length: 40.5km | |||||
Design Pressure:750Psi | |||||
Design Temperature:Max.60℃ | |||||
Water Depth:40m | |||||
THE PROJECTS FOR MALAYSIYA | |||||
1 | 2018 | Order of 10″ offshore Static and Dynamic flexible pipe line | Fluid: oil | Malaysia | Petronas and Kebabangan |
ID:10'' | |||||
Length:5.5km | |||||
Design Pressure: 23.3MPa | |||||
Design Temperature: 100℃ | |||||
Water Depth:70m |
No | Year | Project Name | Project Descriptions | Project site | Work Scope |
2 | 2017 | Fabrication of 6″Dynamic flexible pipe | Fluid: oil and gas | Malaysia | Engineering construction |
ID: 6" | Transport | ||||
Length:0.5km | |||||
Design Pressure:20 MPa | |||||
Design Temperature: Max.120℃ | |||||
Water Depth:64-75m | |||||
3 | 2017 | Fabrication of 10″ offshore flexible pipe | Fluid: Multiphase | Weizhou Bay, South China Sea | Engineering construction |
ID: 10" | Transport | ||||
Length:4.965km | |||||
Design Pressure:4.5MPa | |||||
Design Temperature:85℃ | |||||
Water Depth: 30m | |||||
4 | 2017 | Fabrication of 8″ offshore flexible pipe | Fluid: Multiphase | Wenchang Gas Fields, Western South China Sea | Engineering construction |
ID: 8" | Transport | ||||
Length:20.903km | |||||
Design Pressure:27.73MPa | |||||
Design Temperature:-20~55℃ | |||||
Water Depth:141m | |||||
5 | 2016 | Fabrication of 6″ offshore flexible pipe | Fluid: Multiphase | Wenchang Gas Fields, Western South China Sea | Engineering construction |
ID: 6" | Transport | ||||
Length:18.247km | |||||
Design Pressure:6.25MPa | |||||
Design Temperature:Max.48℃ | |||||
Water Depth: 141m |
No | Year | Project Name | Project Descriptions | Project site | Work Scope |
6 | 2015 | Fabrication of 6″onshore flexible pipe | Fluid: Waste Water | Taoyuan county, Taiwan | |
ID: 6″ | |||||
Length:0.5km | |||||
Design Pressure:0.6 MPa | |||||
Design Temperature:60℃ | |||||
Onshore | |||||
7 | 2015 | Fabrication of 8″and 4″water injection flexible pipe | Fluid: water | Weizhou Bay, South China Sea | Engineering construction |
ID: 8″ | Transport | ||||
Length: 7.493km | |||||
Design Pressure:22.7 MPa | |||||
Design Temperature: 0℃~50℃ | |||||
Water Depth: 32m | |||||
Fluid: water | |||||
ID: 4″ | |||||
Length: 3.774km | |||||
Design Pressure:10.7 MPa | |||||
Design Temperature:0℃~50℃ | |||||
Water Depth: 35.2m | |||||
8 | 2015 | EPCI for 10″water injectionflexible pipe in WZ oilfield | Fluid: water | Weizhou Bay, South China Sea | Engineering construction |
ID: 10″ | Transport and installation | ||||
Length: 2.4km | |||||
Design Pressure:16.5 MPa | |||||
Design Temperature:75℃ | |||||
Water Depth: 60m |
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