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Petroleum casing collars and insulation pipe performance

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Petroleum casing collars and insulation pipe performance

Petroleum casing collars and insulation pipe performance

 

Petroleum casing collars and insulation pipe performance

The range of temperature that the oil casing collar can adapt to is -185—95 degrees Celsius. The texture of this insulation material is also relatively soft. In order to increase this strong hardness, a layer of anti-corrosion coating is generally applied on the outside of the insulation layer. Can be called oil casing coupling. In small and medium-diameter oil pipelines, in order to reduce heat dissipation from the pipeline to the soil, a composite layer of thermal insulation and antisepsis is added outside the pipeline. This is also beneficial to prevent groundwater from penetrating into the insulation layer and cause unnecessary economic losses. The anticorrosion layer is generally made of polyethylene material, and this antiseptic material is odorless, nontoxic, and feels like wax. Has good low temperature resistance, the minimum temperature can reach -70-100 degrees Celsius, can resist the erosion of most of the acid and alkali, is not soluble in common solvents at room temperature, water absorption is relatively small, but because it is a linear molecule, or It can be slowly dissolved in some organic solvents, and it is not prone to swell, and the electrical insulation properties are also relatively good.

Pub Time : 2018-04-25 16:14:37 >> News list
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