Spot prices of oil casing manufacturers. Petroleum casing is best-selling wholesale, processing and sales manufacturers. Huike Steel Pipe Co., Ltd. sales of oil casing, oil line pipe, seamless steel pipe for structure and seamless steel pipe for fluid have doubled year after year, winning trust with its strong technical strength.

In order to prevent soil erosion, the surface of underground oil casing should be coated with anti-rust paint or anti-corrosion paint such as tar and asphalt, or covered with asphalt-impregnated glass cloth and linen cloth. The oil casing pipe buried in the corrosive low-resistance soil shall be equipped with cathodic protection device to prevent corrosion.

It should be cleaned before use, and some oil casing pipes should be cleaned regularly. In order to facilitate cleaning, a filter or purge cleaning hole is provided on the pipeline. On long-distance oil and natural gas pipelines, cleaners must be used to regularly remove the dirt accumulated in the pipes. For this purpose, special devices for sending and receiving cleaners must be installed.

When there are many types of oil casing, in order to facilitate operation and maintenance, paint the surface of the oil casing with a specified color for identification. For example, red for steam pipes and light blue for compressed air pipes.

In order to ensure the safe operation of oil casing and prevent accidents from spreading in time, in addition to installing detection and control instruments and safety valves on the pipeline, special safety measures are also taken for certain important pipelines, such as oil casing and long-distance transportation of oil. An accident relief valve or emergency shut-off valve is installed on the pipeline with natural gas. They can automatically stop transportation in time when a catastrophic accident occurs to reduce disaster losses.