Causes of ball valve internal leakage1. Reasons for internal leakage of the valve during the construction period:① Improper transportation and hoisting causes the overall damage of the valve, resulting in internal leakage of the valve;② When leaving the factory, the …

In the first two months of this year, the ninth oil production plant of Daqing Oilfield used diversified means to continuously strengthen the potential of the old area, and crude oil production increased by 195,000 tons year-on-year.The geological conditions of oil res…

As the northern Hemisphere enters winter in November, temperatures are generally cooler, economic activity weakens and demand falls. The petrochemical industry represents the demand side of the fuel processing industry and rubber, plastics and other polymer products ma…

First, the function of the ball valve balance holeThe balance hole is also called the compensation hole, which refers to a channel inside the ball valve, generally located between the two sealing surfaces above and below the ball. Its role is to balance the pressure on…

As of the end of 2023, Zhejiang Oilfield has successfully achieved various production and operation indicators, with oil and gas productionequivalent reaching a historic high. All production and operation indicators have continued to rise, maintaining an upward arrow f…