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Hangzhou Matech Steel Company Limited
Tel: +86-571-28350111
Fax: +86-571-86693517
Email: sales@matech-steel.com
Add: Floor 10, Xixi Vally E-Building, Xihu District, Hangzhou, Zhejiang province, China
Offshore Project Service Pipeline

Offshore Project Service Pipeline

Offshore Pipeline Offshore pipeline is broadly used to transfer considerable amounts of oil pipeline around the seabed through the closed tubes, which are key parts of the offshore oil (gas) area development and production system. · Marine Oil Pipeline Project · Marine oil pipeline engineering ·...

Offshore Pipeline

Offshore pipeline is broadly used to transfer considerable amounts of oil pipeline around the seabed through the closed tubes, which are key parts of the offshore oil (gas) area development and production system.

· Marine Oil Pipeline Project

· Marine oil pipeline engineering

· Marine Seamless Steel Pipe

· API Spec 5L

Offshore pipeline is broadly used to transfer considerable amounts of oil pipeline around the seabed through the closed tubes, which are key parts of the offshore oil (gas) area development and production system. At present, it is the fastest, the safest and the most reliable and economic mode of transporting offshore gas and oil.

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Depending on the transmitter, offshore pipeline can be divided into undersea oil pipelines, submarine gas pipelines, undersea gas and oil mixed transportation pipelines and underwater aqueduct. However, based on the structure, offshore pipes are divided into double insulation pipes and single pipes.

The Advantages of Offshore Pipeline
Little the influence of environment conditions, offshore pipe can transport the oil or gas continuously. It does not force the oil fields to reduce output or stop, due to the limitations of offshore oil storage facility capacity or shuttle tanker without picking promptly. Therefore, oil transportation efficiency is very high and oil tanker capacity is large. In addition, submarine pipeline construction is short with fast production. Moreover, it is convenient to manage and operate. And the operation cost is too low.

The Disadvantages of Offshore Pipeline
Because the pipeline is under the seabed and most of them need to be hidden in the seabed soil with particular depth, inspection and maintenance will meet much more difficulties. Some pipelines (especially vertical pipe riser stack), are greatly impacted by wind, waves, tide, and ice, etc. in the tidal range or wave breaking zone. Sometimes, the pipelines may be hit by floats in the ocean or anchor broken by the ship.

Marine Oil Pipeline Project

Marine oil pipeline is based on the seabed to transport oil pipeline engineering.

The marine oil pipelines contain undersea oil transportation pipelines, trunk pipeline and supercharger platform pipeline which are connected with competent part.

The role of marine oil pipeline is mainly mined in the offshore oil fields in t the oil pooled, the exports mooring tankers single point mooring or exports to onshore oil depot.

The Features of Marine Oil Pipeline Project

Large Investment Construction
The laying of a medium-caliber marine oil pipelines need a pipeline vessel, ditching machine, tug boats and more than 10 auxiliary equipments of the large professional fleets. Also, you need a supply of raw materials, equipment and fuel vessels. The costs of fleet are an important cost in the marine oil pipeline construction, which is higher than onshore pipeline.

High Quality Construction Requirements
The maintenance is much more difficult than the onshore pipe as well as maintenance costs for the marine oil pipe line. The marine oil pipeline construction is strict with the quality. 

Construction Environment
Sea condition is easy to change with the natural environment for instance wind and sea wave. It is difficult to keep a stable construction fleet. In this case, it is often required the oil pipeline construction into the seabed and resumed construction until the storm stopped. 

Complex Construction Organization
The marine oil pipeline construction including pipeline prefabricated fleet auxiliary devices, fuel and fresh water supply needs to depend on the shore base. The location and the determination of the direction also rely on the radio navigation. Therefore, the marine oil pipeline construction is complex and difficult.

Marine oil pipeline engineering

Marine oil pipeline engineering is Laying on the seabed to transport oil pipeline projects.

Marine oil pipelines including undersea oil and transportation pipelines, trunk pipelines and ancillary supercharger platform, as well as pipeline and platform connected competent part. Its role is mined in the offshore oil fields in the oil pooled the exports mooring tankers single point mooring or exports to onshore oil Depot. Transportation technology of marine oil pipelines and onshore pipeline. Marine oil pipeline project in the waters, and the method of construction onshore pipeline engineering.

Characteristics of the marine oil pipeline:

① large invest construction. The laying of a medium-caliber in normal sea marine oil pipelines need a pipelaying vessel, ditching the tug boats and more than 10 auxiliary operations of the large professional fleet. In addition, you also need a supply of materials, equipment and fuel vessels. Professional fleet rental costs are a major cost in the marine oil pipeline construction, resulting in the marine oil pipeline construction cost of 1 to 2 times higher than similar onshore pipeline to be higher due to the cost.

② high quality construction requirements. Whether during construction or put into marine oil pipeline accidents, maintenance is much more difficult than the onshore pipeline maintenance, marine oil pipeline construction to ensure quality.

③ changeable construction environment. Sea conditions change rapidly, such as the wind and waves are too large, difficult to maintain a stable construction fleet. In this case, often required the construction pipeline into the seabed, and then resume construction until the storms too.

④ complex construction organization. Marine oil pipeline construction, pipeline prefabricated fleet accessories, fuel and fresh water supply, the need to rely on the shore base; fleet location and the determination of the direction of movement, but also rely on radio shore bases to give closely with. Therefore, the construction characteristics of the marine oil pipeline construction land and sea joint organization.

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