Sand production is one of the most common challenges in oilfield production. Excessive sand can cause severe wear on downhole equipment, reduce pump efficiency, and lead to frequent maintenance.
Our sand control sucker rod pump is specifically engineered for oil wells with sand production. By optimizing the internal structure and sealing system, the pump effectively reduces sand intrusion between the plunger and barrel, improving operational stability and extending pump service life.
This pump is widely used in sandy reservoirs, unconsolidated formations, and high-sand crude production wells, where conventional rod pumps often experience premature wear or failure.
Pump bore (mm ) | Length of plunger (m) | Length of barrel (m) | Size of connecting tubing (in ) | Range of stroke (m ) | Pump constant | Size of connecting sucker rod | Max outside diameter |
| 38 | 1.1 | 4.5、6.6 | 3 1/2TBG | 4.5-6 | 1.64 | CYG19 | 100 |
| 44 | 3 1/2TBG | 2.23 | CYG19 | 100 | |||
| 57 | 4 TBG | 3.69 | CYG19 | 108 or 114 |
The core structure of anti-sand centralizing rod pump includes:
Coupling:
Flow valve:
Barrel:
Inflow valve:
Outer pipe:
Plunger:
Gap bridge coupling:
Tail deposited sand pipe:
All structures of anti-sand centralizing rod pump are modularly designed, which is convenient for maintenance and replacement, reducing on-site operation time and operation and maintenance costs.
A sand control rod pump is a type of downhole pump designed to operate in oil wells containing suspended sand particles. Unlike standard pumps, it incorporates specialized structural components that reduce sand entry and prevent particles from damaging critical sealing surfaces.
In conventional pumps, sand particles often enter the gap between the plunger and the pump barrel, causing rapid abrasion and loss of sealing efficiency. Sand control pumps reduce this risk through optimized clearances, anti-sand components, and durable wear-resistant materials.
These pumps are commonly applied in:
Sand-producing oil reservoirs
Heavy oil wells with formation sand
Unconsolidated sandstone formations
Wells with unstable sand production
The sand control sucker rod pump uses a combination of structural design and material engineering to improve sand tolerance.
During operation:
The sucker rod string drives the plunger to move up and down inside the pump barrel.
Formation fluids enter the pump chamber through the standing valve.
The plunger lifts the produced fluid toward the surface.
Anti-sand structural elements help prevent sand particles from entering the sealing interface between the plunger and barrel.
By reducing sand intrusion and minimizing abrasive contact, the pump maintains stable sealing performance and longer operating cycles in sand-producing wells.
The optimized pump structure allows the system to operate reliably in wells with sand content, reducing the risk of pump sticking or excessive wear.
Key components such as the plunger and barrel are manufactured from high-strength alloy materials to improve resistance to abrasion caused by sand particles.
The pump design maintains effective sealing and consistent displacement even in wells with unstable sand production.
By minimizing sand-induced wear, the pump helps reduce workover frequency and operating costs.
Manufactured according to industry standards to ensure compatibility with common oilfield tubing and rod systems.
1. Movable barrel sand control oil well pump is suitable for various complex working conditions such as high sand content oil wells, highly corrosive wells, and old wells.
Currently, our company has 116 employees, including 20 senior engineers and technicians, and we are also recruiting outstanding talents. We are the source factory of sand control and centralize rod pump manufacturers, supporting direct transactions, reducing intermediaries, allowing customers to purchase high-quality products at a better price, and enjoy timely and professional technical support and after-sales service. In addition, our company has long provided products and services to large oilfield companies such as China National Petroleum Corporation and Sinopec. Products such as sand control and centralize rod pump are widely used in many oilfield projects at home and abroad. Customers are spread across important oil and gas producing areas such as the Middle East, Central Asia, South America, and Africa, and have won a good reputation and long-term cooperative relations.
Packaging: Each movable barrel sand control oil well pump is reinforced with a special anti-collision wooden box, and the interior is treated with anti-rust oil seals to prevent damage and corrosion during transportation.
Delivery: Supports various international trade methods such as fob and cif, and supports delivery in multiple ports.
"At DongSheng, we understand that subsurface pump failure translates directly into costly downtime and lost production. That’s why every Forced Opening Valve Insert Pump is manufactured to the strictest API 11AX and ISO 9001 standards.
To ensure flawless performance in your most challenging high-viscosity and gassy wells, each unit undergoes a comprehensive 100% vacuum testing and pressure integrity check before leaving our facility.
SLB (Schlumberger)
Weatherford
Sinopec (China Petroleum & Chemical Corporation)
CNPC (China National Petroleum Corporation)
ZPEC (Zhongman Petroleum and Natural Gas Group)
CSSC (China State Shipbuilding Corporation)
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