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.

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. At present, it is the fastest, the safest and the most reliable and economic mode of transporting offshore gas and oil.

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.



Tech & Service of Seamless pipe

Seamless pipes are extensively applied for the nuclear device, gas, petrochemical, ship building and boiler industries. Seamless pipes dominates 65% of market share in Chinese boiler industry.

How to make seamless pipe(seamless pipe process)?
Hot Piercing Workshop
Piercing process
The cross roll piercing and pilger rolling process in the size range from approx. 250 to 660 mm outside diameter.
Precision cold drawn steel tube production process
Pipe weld cracks
often follow different mechanisms can be divided into two types of thermal cracking and cold cracking.
How to calculate a steel pipe and tube theoretic weight
Calculate a steel pipe?
Pipe fittings are necessary to join together pipes, or to change the direction of an existing pipe.
Pipe beveling
Pipe beveling is the process where an angle is formed between the edge of the end of a pipe or tube and a plane perpendicular to the surface.
Steel pipe cutting machine
Pipe cutting
Cutting tools have a grinding wheel piece cutting machine (also known as toothless saw), hand saw, cutter and other hand tools.
Packing the steel pipes
There are probably hundreds of different methods for packing a pipe, and most of them have merit, but there are two principles that are vital for any method.


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