On September 19, the oil production plant No. 3 of Huabei Oilfield, which had been shut down for more than 4 years due to high water cut, opened the well with ultra-short radius horizontal well technology, and the daily oil production reached 11 tons, which has been st…

The electric actuator of valve ‍ is used to control the valve. If the valve cannot be opened and closed due to some factors, such as power failure, failure of the electric actuator, or is fixed in a certain position, it needs to be operated by hand wheel. So, what sho…

Pressure valve is a device used in hydraulic system to control and regulate liquid flow pressure.Its working principle is based on the balance between the liquid pressure on the spool and the spring force. When the pressure in the hydraulic system exceeds the pressure …

Because the seal plays a role in cutting and connecting, adjusting and distributing, separating and mixing media on the valve channel, the sealing surface is often subjected to medium corrosion, erosion, wear and easily damaged.The reasons for the damage of sealing sur…

Reed ponds, rice fields, oil Wells criss-cross, Liaohe Oilfield Huanxiling oil production plant is located in the "wetland capital" reputation of Panjin. In the past six years, Liaohe Oilfield has actively organized the withdrawal of more than 900 square kilo…