China Oilwell Mud Pumps Manufacturers Suppliers Factory - Cheap Oilwell Mud Pumps

Your Professional Oilwell Mud Pumps Supplier

We are a certified manufacturer of mud pumps, plunger pumps, and fracturing pumps, supplying complete pump systems, accessories, and centrifuges for oil drilling, mining, and industrial use. With API 7K and ISO 9001 certification, advanced CNC machining, and full in-house testing, we deliver reliable equipment for high solids, high pressure, and harsh environments. Our products are widely applied in oil & gas drilling, mining slurry transport, environmental engineering, and high-pressure fracturing operations.

Quality Control
Multi-axis CNC machining and complete testing systems ensure consistent quality, verified performance, and full traceability for every critical component.

Global Market Experience
Strong performance in North America, Russia, and the Middle East supports reliable supply and service.

High-Quality Service
From pre-sales engineering analysis to installation, training, and after-sales maintenance, we help customers reduce risk, improve uptime, and extend equipment service life.

OILWELL 350-PT Mud Pump
The power end of the 350-PT is a fully welded, assembled steel power rack. Compared to conventional casting racks, this advanced structural design provides unparalleled rigidity and stress
OILWELL A-1700-PT 7500 PSI FE Mud Pump
The strength of the A-1700-PT platform derives from its solid core power parameters, which together form the basis of its superior performance:Rated input braking power: 1700HP (1268kw) , which is to
Oilwell 8-P-HD Triplex Mud Pump
The strength of the A-1700-PT platform derives from its solid core power parameters, which together form the basis of its superior performance:Rated input braking power: 1700HP (1268kw) , which is to
OILWELL A-560-PT Mud Pump
The strength of the A-1700-PT platform derives from its solid core power parameters, which together form the basis of its superior performance:Rated input braking power: 1700HP (1268kw) , which is to
OILWELL A-600-PT Mud Pump
The strength of the A-1700-PT platform derives from its solid core power parameters, which together form the basis of its superior performance:Rated input braking power: 1700HP (1268kw) , which is to
OILWELL A-850-PT Mud Pump
The strength of the A-1700-PT platform derives from its solid core power parameters, which together form the basis of its superior performance:Rated input braking power: 1700HP (1268kw) , which is to
OILWELL A-1100-PT Mud Pump
The strength of the A-1700-PT platform derives from its solid core power parameters, which together form the basis of its superior performance:Rated input braking power: 1700HP (1268kw) , which is to
OILWELL A-1400-PT Mud Pump
Rack and drive: the heart of the pump is a sturdy welded steel power rack that provides a solid foundation for all internal components. Power is delivered through precision-machined helical gears,
OILWELL A-1700-PT Mud Pump
The A-1700-PT is designed for continuous, high output performance. Its specifications are optimized for power, efficiency, and long life.
OILWELL HD-1400-PT Mud Pump
The following table details the core performance parameters of the HD-1400-PT under different operating conditions.
OILWELL HD-1700-PT Mud Pump
The drivetrain is the heart of the power end and is responsible for converting the input rotary power into strong reciprocating motion.

Parameter

Rated input power	560hp (418KW)1
Rated/top speed	175SPM
Stroke length	8 inches (203.2 mm)
Gear ratio	4.586:1
Range of commonly used cylinder liner sizes	4-7 inches (101.6-177.8 mm)
Maximum working pressure	4,000 PSI
Hydrostatic test pressure at hydraulic end	7500 PSI (51.7 MPa)1
Drain interface specification	5-inch API 5,000 PSI flange
Approximate weight of pump body	12,900 pounds

Types of Oilwell Mud Pumps

The Oilwell mud pumps produced by our company mainly include the following types:

OILWELL 350-PT Mud Pump

Compared to conventional casting racks, this advanced structural design provides unparalleled rigidity and stress distribution capabilities that effectively prevent the rack from bending or deforming at maximum load, and provides a unique opportunity for the design of casting racks.

OILWELL A-560-PT Mud Pump

The power end of the A-560-PT is the cornerstone of its superior performance and ultra-long life. Each component is carefully designed and manufactured to withstand the most demanding oilfield environments.

OILWELL A-1100-PT Mud Pump

This rugged construction can withstand a full power output of 1100hp without distortion, ensuring precise alignment of internal drive components, which is key to extended bearing and gear life.

Features of Oilwell Mud Pumps

Welded steel power rack

The base of the power end is its fully welded steel frame, which has extremely high flexural and torsional stiffness.

Drive system-gears and crankshaft

Power is transmitted from the input shaft to the crosshead by the transmission system. The system uses a Herringbone or Single Helical Gear.

Bearing and connection system

The rotating parts of the entire power end are supported by heavy duty roller bearings, including pinion shafts, crankshafts, connecting rods, and crosshead pins. Roller bearings are designed to withstand the high radial and axial loads generated by reciprocating pumps, ensuring low friction and long service life.

Lubrication system

A comprehensive lubrication system is the ultimate guarantee for the reliability of the power end. HD-1400-PT uses a dual lubrication system that combines splash lubrication with forced pressure lubrication driven by a separate oil pump.

Applications of Oilwell Mud Pumps

Oil and Gas Industry
They play a vital role in the extraction processes by ensuring a continuous supply of mud, which cools the drill bit and carries rock cuttings to the surface.

Geothermal Drilling
In geothermal projects, plunger pumps are used to manage the flow of fluids, crucial for effectively tapping into geothermal reservoirs.

Mining Operations
In the mining sector, these pumps assist in dewatering and slurry transport, which are essential for safe and efficient operations.

Common Maintenance Tasks for Oilwell Mud Pumps

Inspection

Regular visual inspections should be conducted to check for any signs of wear, leaks, or damage. This includes inspecting the pump body, valves, liners, pistons, and other components for cracks, corrosion, or excessive wear.

Lubrication
Proper lubrication is crucial for the smooth operation of mud pumps. Lubrication points, such as bearings and moving parts, should be greased or oiled according to the manufacturer's recommendations. This helps reduce friction, prevent overheating, and extend the lifespan of the pump.

Valve Maintenance
Valves play a critical role in mud pump operation. They should be inspected regularly for wear, damage, or clogging. Worn-out valves or valve seats should be replaced to maintain proper sealing and prevent fluid leakage. Valve springs should also be checked and replaced if necessary.

Piston and Liner Maintenance
Pistons and liners are subjected to significant wear during operation. They should be inspected for signs of wear, scoring, or damage. If excessive wear is observed, the pistons and liners may need to be replaced to maintain the pump's performance.

Fluid End Maintenance
The fluid end of the mud pump, which includes the valves, liners, and pistons, should be regularly inspected and maintained. This may involve replacing worn-out components, ensuring proper alignment, and checking for leaks or damage.

Pressure Testing

Periodic pressure testing should be performed to ensure the pump can handle the required operating pressures safely. This helps detect any potential issues with the pump's pressure capabilities and ensures it meets the required specifications.

Seal and Packing Maintenance
Seals and packings should be inspected and replaced as needed to prevent fluid leaks and maintain pump efficiency. Proper sealing is crucial to prevent leaks and maintain the desired pressure during operation.

Fluid and Filter Maintenance

The drilling mud should be regularly checked for contamination and proper composition. Contaminated or deteriorated mud should be replaced, and the fluid system should be cleaned. Filters and screens should be inspected and cleaned or replaced to prevent clogging and maintain proper flow.

Wear-Resistant Materials for Oilwell Mud Pumps

Components	Options	Key materials	Hardness (HRC)	Maximum temperature	Major applications/advantages
Cylinder liner	High chromium (bimetal)	High chromium cast iron	62-69	-	Standard working condition, excellent wear resistance
	Zirconia ceramics	Zirconia	92-94	-	Ultimate life, significantly reducing friction and piston wear
	Hardened steel	Forged steel	60	-	Good corrosion resistance, cost-effective
Piston	Bonded polyurethane	Polyurethane	-	350 ° F/177 ° C	Oil-based mud, high pressure, extrusion resistant
	Adhesive type rubber	Nitrile rubber (NBR)	-	210 ° F/99 ° C	Chemical resistance, high reliability
Rubber cover for valve	Polyurethane	Polyurethane	-	-	Versatility, durability, abrasion resistance
	Nitrile rubber	Nitrile rubber (NBR)	-	-	Suitable for oil-based drilling fluid

Packaging and Shipping

Packaging	Standard export plywood case or carton.
Shipping	By sea, air, Express

Our Factory

Shijiazhuang Dong Li Petroleum Machinery Co., Ltd. (DLSY) was founded in 2008 and is headquartered in Shijiazhuang, Hebei Province, China.

p2025092315351678c99.jpg (800×613)

Our Certificates

FAQ

Q: Can mud pumps operate continuously?

A: Yes, mud pumps are designed for continuous operation during drilling. Proper lubrication and monitoring ensure stable long-term performance.

Q: What problems can occur if mud pumps fail?

A: If mud pumps fail, drilling fluid circulation stops. This can cause poor cuttings removal, pressure imbalance, and serious safety risks.

Q: How often should mud pumps be inspected?

A: Mud pumps should be inspected daily during operation. Regular checks help identify wear early and avoid unexpected failure.

Q: Are mud pumps used offshore?

A: Yes, mud pumps are widely used in offshore drilling. Offshore mud pumps require extra corrosion protection and strict maintenance.

Q: What safety features do mud pumps have?

A: Mud pumps use pressure-rated components and reliable sealing systems. Proper operation helps prevent leaks and pressure-related accidents.

Shijiazhuang Dongli Petroleum Machinery Co., Ltd. is one of the most professional oilwell mud pumps manufacturers and suppliers in China, featured by quality products and low price. Please rest assured to buy CE approved oilwell mud pumps made in China here from our factory. Contact us for quotation.