Oilfield Pipe

See the arrangement of the pipes are the following: single-tube system, dual pipe system, separate piping systems. The laying of the pipeline, in order to reduce the resistance, usually try to take the straight line method laid it on the ground, three trenches and underground, within the walls of the pipe depot should be laid on the ground, already buried in the ground or laying pipes ditch the tube pipe depot to combine technological innovation, should be possible to gradually laying on the ground, outside the walls of the pipeline, in order not to impede traffic and occupy farmland, generally regarded pipeline buried directly after embalmed in the ground. commonly pipelines generally are two kinds of carbon steel and oil hose, fixed multi-use carbon steel pipelines, oil hose mainly used for the temporary transfer of oil handling facilities or transmission lines connected to the activities of unloading site. Oil hose has oil cloth hose, spiral steel wire braided hose and seed oil of the oil hose are made of nitrile rubber. And partial pressure, suction and discharge suction uses three different situations, should be used in positive pressure conveying pressure hose, vacuum suction hose conveying the choice, you need to choose exhaust suction hose there may be positive or negative pressure. 
Carbon steel pipe manufacturing methods can be divided according to their seamless and welded steel pipe, hot-rolled and cold drawn seamless steel pipe is divided into two kinds, the usual carbon steel and are based on boiling steel, temperature range of 0 to 300 apply , low temperature embrittlement is easy, using high-quality carbon steel pipe, the applicable temperature range, compared with -40 ~ 450 , the use of 16Mn steel, low temperature range is -40 , high temperature is up to 475 . 
The leak is a major oil pipeline running fault. In the pipeline during operation, due to corrosion perforation and other external damage and other reasons, when spills occur, for oil has caused tremendous economic losses. Especially organized punch Stolen activities seriously interfere with the normal oil production, it also brings significant security risks. Therefore, leakage monitoring not only become an important content of pipeline safety management work, but also to ensure the normal operation of the pipeline indispensable protection. Pipeline leak detection methods are mainly two categories: direct and indirect method of leak detection methods. Direct method is to use a preset outside the pipeline leak detection devices directly measured media. This method can detect small leaks, and to locate, but requires at the same time when the pipeline construction and pipeline installation. The indirect method is by changing the operating parameters of the detection conduit infer the occurrence of leakage, the sensitivity of this method is high as a direct method for detecting large leaks (generally about 1%), the advantage is not affected in the production pipeline construction the case of installation, and escalating.