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Production and quality control of high pressure frp pipes

In the 1950s, high-pressure FRP pipes were first applied in oil fields. Subsequently, it has been rapidly promoted in oil field surface pipelines and water injection pipelines with excellent performance. In the mid-1990s, China first adopted high-pressure fiberglass pipes in the tertiary oil recovery process. At present, thousands of kilometers of high-pressure fiberglass pipes are used in the petroleum industry every year. The United States has a long history and a large number of applications of FRP pipes. China started late in this field, but in recent years it has been rising rapidly.

Oil field pipeline is a complex system engineering. A complete set of specifications should be formulated in the selection, design, manufacture and installation of raw materials to ensure the stable operation of oil field production. Fiberglass reinforced plastic pipes are popular because of their good corrosion resistance, smooth inner wall, low fluid resistance, no secondary pollution to the transmission medium, good thermal insulation performance, low engineering cost and many other characteristics.

Quality control of raw materials

(1) Select suppliers and determine qualified suppliers

Once the material system and supplier are determined, the ISO 9001 quality management system must be implemented and qualified supplier certification must be carried out. Because most manufacturers now lack relatively strict means of incoming inspection of raw materials and supporting hardware facilities, if small changes in the quality of raw materials are not found in time, it is easy to cause serious impact on the quality of high-pressure glass fiber reinforced plastic pipe, and bring great losses to the manufacturers. Therefore, it is necessary to carry out field investigation on the comprehensive management level and quality control measures of the suppliers themselves. Generally, it is easy for domestic manufacturers to put the quality control of raw materials in a secondary position because of too much consideration of price and cost factors. If the quality level of the supplier lacks reproducibility, even if the price is low, it cannot be selected, otherwise it will be punished by the market.

(2) Attach importance to supplier management and establish strategic cooperation alliance

The initial investment cost of high-pressure fiberglass pipe is high, and the enterprise needs to make long-term planning to really stand in the market. Due to the large impact of change factors, changes in any link of the supply chain will affect production progress, product quality and inventory level. Therefore, in order to develop in the long run, manufacturers must attach importance to the management of suppliers in the field of raw materials, establish strategic partnership through cooperation, and form a stable supply channel of raw materials. Otherwise, unless we take favorable measures and establish an effective early warning system, we can be prepared in advance to deal with various adverse changes.

In addition, the irregular organization of mutual visits with suppliers can also be in a favorable position without being passive when the raw material market fluctuates.

This paper briefly introduces the production process of high pressure FRP pipes, and emphasizes the importance of quality control. At present, the market of high pressure fiberglass pipe is mature, and users have a high awareness. All enterprises must pay attention to product design and quality control when launching projects to avoid damaging this product with good application prospects to human disasters. We are willing to make joint efforts with people of insight who are willing to promote the wide application of high-pressure FRP pipes in oil fields, and do our little to promote the development of FRP high-pressure pipes in China.


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