Recently, the graphene anti-corrosion coating sucker rod developed by BHNK Oil Production Equipment Technology Group has been tested in the third oil production plant of Dagang Oilfield for 430 days. Compared with ordinary sucker rods, the average lifespan has increased by 138%, achieving good quality performance and economic benefits.
The pumping rod is a key component that connects the pumping unit and the oil pump. In recent years, there has been an increasing number of corrosive oil wells containing nitrate, and ordinary pumping rods cannot fully meet user needs in terms of corrosion resistance and service life.
In response to this situation, BHNK has increased its research and development efforts on anti-corrosion sucker rods for special corrosive media.
Graphene anti-corrosion coating sucker rods
After multiple experiments, the company uses graphene, which has high toughness, good plasticity, stable chemical properties, and corrosion resistance, as a new type of anti-corrosion material.
During the research and development process, the technical department has successively solved multiple problems such as coating composition ratio and coating uniformity, conducted coating research and material testing more than 30 times, and successfully developed graphene anti-corrosion coating sucker rods.
In December 2021, the first batch of new anti-corrosion coating sucker rods were tested in the third oil production plant of Dagang Oilfield.
Graphene anti-corrosion coating sucker rods have solved the problems of short operating cycles and frequent maintenance measures in corroded wells, reduced operating costs, improved oil production efficiency, and laid a solid foundation for our efficiency and production increase. Meng Zhenjin, director of the Process Research Institute of Dagang Oilfield Oil Production Plant 3, highly praised the product.
The successful development of graphene anti-corrosion coating sucker rods has further improved the special anti-corrosion sucker rod product series of Oil Production Equipment Company, providing technical support for better solving the problem of oil well corrosion.