Cracks may develop in pipelines at any time. During fabrication, cracks may originate from casting defects or plate rolling, and a family ...
Underwater Welding by Diver
The fact that electric arc could operate was known for over a 100 years. The first ever underwater welding was carried out by British Admir...
Welded Pipe/Spiral Pipe/ HF-ERW Pipe/Seamless Pipe
Welded Pipe Welded can mean longitudinal seam welded tubing manufactured by an autogenous (without filler metal) fusion welding process,...
Pipeline Mechanical Connector/Flange
A pipe flange is a disc, collar or ring that attaches to pipe with the purpose of providing increased support for strength, blocking off ...
Linepipe Manufacture
Line pipe is a type of pipe that is manufactured from high strength carbon steel. It is typically made according to metallurgical ...
Subsea Pipeline Tie-in/Piggable Wye Tie-in
Subsea Pipeline Tie-in Subsea flowlines are used for the transportation of crude oil and gas from subsea wells, manifolds, off-shore proc...
Pipeline Elbow/Pipeline Bend
Piping Elbows and Bends are very important pipe fitting which are used very frequently for changing direction in piping system. Piping Elb...
Anti Corrosion Coating for Subsea Pipeline
Offshore steel pipelines are normally designed for a life ranging from 10 years to 40 years. To enable the pipeline to last for the design...
Flow Assurance for Offshore Pipeline
Flow assurance is required to determine the optimum flowline pipe size based on reservoir well fluid test results for the required flowrate...
Deepwater Pipeline
To ensure continuity of supply, E&P companies have to consider opportunities in ever increasing water depths. Assisting this are new ...
Pipeline Hot Tap Installation
Natural gas transmission and distribution companies need to make new connections to pipelines many times a year to expand or modify their e...
Pipeline Commissioning
By definition, commission is a request to someone to perform a task (duty or mission). The pipeline mission is to transport products safely...
Pipeline Corrosion
Pipeline corrosion is the deterioration of pipe material and the related system due to its interaction with the working environment. It af...
Pipeline Routing /Routing Selection
Route selection is a complex procedure, which can be governed by several variables. Clearly, the shortest distance between the terminal po...
Pipeline Welding Technology
Line pipes can be connected by mechanical connectors or welding. Threaded and coupling (T&C) or pin and box connectors are used for dr...
Horizontal and Vertical X-mas Tree
A subsea Xmas tree is basically a stack of valves installed on a subsea wellhead to provide a controllable interface between the well and p...
Pipeline Goose Neck
A gooseneck (or goose neck) is a 180° pipe fitting at the top of a vertical pipe that prevents entry of water. Common implementations of ...
Pipeline Inspection
Subsea systems should be monitored or inspected regularly, internally and externally. The inspection can provide such information as: geome...
Pipe-in-Pipe
A pipe-in-pipe system is essentially made up of an insulated inner pipe and a protective outer pipe. The function of the inner pipe is to c...
Flexible Riser
A riser system is essentially conductor pipes connecting floaters on the surface and the wellheads at the seabed. There are essentially two...
Flexible Pipe
Flexible pipes have been used in the oil industry since 1972, when Coflexip was awarded a patent to build a high pressure, flexible steel p...
Pipeline Thermal Insulation/ Pipeline Corrosion Coating
Pipeline Thermal Insulation Oilfield pipelines are insulated mainly to conserve heat. The need to keep the product in the pipeline at ...
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