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In the operation of the sucker rod pump, the centralizer is a key component to avoid partial wear of the rod and ensure the stability of the equipment. Spiral sucker rod centralizer and standard sucker rod centralizer are common types in oil fields. The two have significant differences in structure, application scenarios and performance. The following is a detailed analysis of the differences based on our Dongsheng Petroleum experience and standards.

Complex underground working conditions, high temperature, high pressure, medium corrosion and high-frequency friction between components often cause damage to the internal structure of the sucker rod pump and affect the service life of the equipment. As an important core component of the sucker rod pump, cages for downhole pump relies on its own performance to provide a reliable solution to this problem and has become the key support to ensure the efficient operation of the sucker rod pump.

In the field of oil extraction, the pumping rod pump is the core equipment of mechanical oil production, and the operating stability of the rod pump directly determines the mining efficiency and economic benefits of the oilfield. However, in the actual mining process, sucker rod pumps often face the problem of underground water accumulation. Water accumulation will not only increase the operating load of the sucker rod, but may also cause problems such as partial wear of the rod and pipe, and decreased pump efficiency. In severe cases, it can even lead to equipment failure and shutdown. The emergence of tubing drain valves for oilfield has provided an efficient and feasible solution to solve the pain points of this industry, and has become an important supporting component to ensure the stable operation of the sucker rod pump.

In oil extraction lifting systems, the performance of spiral sucker rod centralizer is determined by the structural design. A high-quality spiral sucker rod centralizer needs to take into account the convenience of installation, adaptability to working conditions and durability through a scientific combination of components. Dongsheng Petroleum has extensive experience in the structural adjustment of spiral sucker rod centralizer. We will take you to understand the mystery of its structure from the three aspects of core components, material logic, and adaptation advantages.​

In oil extraction, the material selection of spiral sucker rod centralizer directly affects the operation and maintenance cost and production efficiency of oil wells. The performance of spiral sucker rod centralizer of different materials is obviously different, and its core value can only be realized by combining the scientific selection of well conditions. We, Dongsheng Petroleum, have been engaged in the field of oilfield equipment for many years and have conducted in-depth research on the application characteristics of spiral sucker rod centralizer of various materials. We will start from the three mainstream materials of metal, polymer, and composite materials, analyze the advantages and disadvantages of different materials and applicable scenarios, and provide a reference for oilfield companies in the selection of types.

In oil extraction, the core value of sucker rod centralizer is to balance anti-wear protection and operational safety-not only to reduce the friction between the sucker rod and the tubing to extend the life of the equipment, but also to avoid stuck well accidents. Stuck wells will directly interrupt production and cause chain failures. If the sucker rod centralizer configuration is simplified to avoid stuck wells, the anti-wear effect will be lost. Based on global service experience, Dongsheng Petroleum has summarized the whole process solution to help customers balance the two. We explain it from four dimensions.

Why are oil rod pumps so crucial and irreplaceable in oil production? In the middle and late stages of oilfield development, formation energy declines, and crude oil can no longer flow to the surface on its own. Mechanical means must be used to lift the oil. Among all mechanical oil production methods, rod pumping is the most mature and widely used, accounting for over 60% of global onshore oil well production. Without the economical and reliable mechanical lift methods represented by oil rod pumps, sustained and stable commercial production would be impossible. So, how does this globally used rod pump system continuously lift crude oil to the surface?

In oil extraction operations, rod pump barrels is the core component of the tubing pump, and the operating status directly determines the oil recovery efficiency and operating cost. Once rod pump barrels fail, it will not only cause oil production to be interrupted, but may also cause complex underground problems, increasing the difficulty of maintenance and economic losses.

During the operation of the oil sucker rod tubing pump, “air lock” is a common and easily overlooked failure. Once it occurs, it will cause the pump body's oil absorption and exhaust efficiency to plummet, and even cause equipment idling and wear. The so-called air lock refers to the phenomenon that after underground gas (such as natural gas and dissolved gas) enters the pump chamber of the oil sucker rod tubing pump, it occupies the effective space of the pump chamber due to the strong compression of the gas and the difficulty of discharging it, hindering the normal inhalation and lifting of crude oil. Timely and scientific removal of the air lock from the pump body associated with the pump rod is the key to ensuring the stable operation of the oil sucker rod tubing pump, which can be achieved in three steps: “Judgment-treatment-prevention”.​

Dongsheng Petroleum sucker rod guide centralizer selects high-performance raw materials, which are processed and formed by advanced technology, and have excellent wear resistance and impact resistance. It can effectively alleviate the frequent workover problems caused by wear and fracture of well pipes during operation. The wear resistance of this sucker rod guide centralizer far exceeds that of traditional ordinary sucker rod guide centralizer, which greatly reduces the frequency of equipment replacement and reduces the cost of oilfield operation and maintenance.​