Although the range of valve products involved in oil and gas development and transportation has basically remained unchanged for a century, valve manufacturers have been constantly updating valves used in oil and gas industry technology to actively respond to changes in the oil and gas industry market.
If you want to stay ahead or not be left behind in the market, valve manufacturers must constantly update the technology and process of valve design, manufacturing, service and sales.
The fact is that oil companies have more and more requirements for valve manufacturers: on the basis of providing reasonable prices, advanced valve manufacturers must be good at solving the problems faced by oil companies. In the case of worse working environment and stricter environmental protection requirements, extend the performance of valves used in oil and gas industry and provide more service capacity.
1. The influence of different types of valves used in oil and gas industry on valve technology
1) Metal seal. The demand for oil and natural gas in the world market is increasing rapidly, and the development of crude oil has also traveled to every corner of the earth. The extraction of crude oil has put forward new requirements for equipment.
For example, ultra-deep well technology presents ultra-low temperature and ultra-high pressure challenges to equipment. The extraction of extra-heavy crude oil is a profitable option, especially when crude oil reaches $30 per barrel.
Today's high concentrations of asphaltenes and other impurities create difficulties in the transportation and processing of crude oil.
Usually soft-sealed ball valves used in oil pipelines cannot meet the requirements of working conditions, which requires valve manufacturers to develop different types of valves used in oil and gas industry, and can adapt to changes in temperature and pressure, even when transporting solid media (hydroxide, coke, etc. ) must also be absolutely sealed.
The oil and gas industry valves benefit from the development of surface spraying technology. Valve manufacturers hope to use this technology to maintain a leading position in the market and include spray technology in their development strategies. They cooperate with research institutes and universities to develop the next generation of "superhard" coatings.
2) Anti "explosive decompression". In 2002, the American Petroleum Institute standard API 6D stipulated that valve products with design pressure higher than ASME Class 600 must be designed to prevent "explosion decompression".
Explosion decompression refers to the phenomenon that when the pressure in the valves used in oil and gas industry drops rapidly, the CO 2 infiltrated in the seal due to the high pressure effect expands rapidly due to the pressure drop, causing the seal to explode and break during the valve closing process, resulting in valve failure.
3) Corrosion of sour crude oil. Rising crude oil prices have made refining companies focus on sour crude oil, investing in the development of the sour crude oil market is lucrative, and also has price competitiveness in long-term supply contracts.
However, the sour crude oil contains corrosive media such as H 2 S, which poses new challenges to the corrosion resistance of equipment.
Valves used in oil and gas industry manufacturers can provide materials approved by ISO15156, and can also provide test (according to ISO15156) data to prove the corrosion resistance and long life of valve materials, and end users will list these valve manufacturers in the supply of corrosion-resistant valves business list.
4) Fugitive emissions. ISO15848 specifies the requirements for the fugitive emission design of valves used in oil and gas industry. Manufacturers have redesigned the packing and sealing arrangements of ordinary valves and special valves to adapt to the updated standards.
But the new standard is too general and the requirements are too strict, so many oil companies have developed their own emission standards.