High-quality lifting oil drain for oil well pumps. Designed to prevent fluid loss during tubing pull-out. API certified manufacturer. Contact Dongsheng for custom specifications.
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Stop costly workovers caused by eccentric wear. Our API 11AX standard sliding sleeve centralizers provide a low-friction, sacrificial wear surface that protects your tubing string in the most challenging horizontal and directional wells.
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Engineered for deviated wells and high-wear environments. Our column-type design ensures maximum fluid bypass while providing a sacrificial wear surface to protect your completion string.
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Reliable Rod Type Drainer (Drop Bar Type) for sucker rod pumps. High-precision shear pins ensure accurate drainage. Reduce oilwell workover costs and environmental risks. Custom sizes available.
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1. The on off tool packer is made of high-quality materials, and the key areas of the on off tool packer are made of thicker materials and surface hardened to achieve excellent strength. 2. The on off tool packer has special features of fatigue resistance, corrosion resistance, and wear resistance, reducing friction. 3. The on off tool packer enables workers to separate the rod column from the pump without stripping it while leaving the pump downhole, which is simple and convenient.
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1. Our hard-lined cage for rod pump meets industry standards and has passed API 11AX and ISO 9001 dual certification, with guaranteed quality. 2. Hard-lined cage for rod pump has the characteristics of corrosion resistance and wear resistance, and hard-lined cage for rod pump can be used in various environments. 3. We also provide customized services for carbide Cage for oil well, including size adjustment, material optimization, etc., to better meet the needs of different users.
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