Quintuplex Frac Pump | 2500–5000 HP

Description

High-Horsepower Quintuplex Frac Pump Overview

A quintuplex frac pump is a high-pressure positive-displacement pump that uses five plungers to deliver fracturing fluid into a well at the required pressure and flow rate.

GPE quintuplex frac pumps are designed for hydraulic fracturing, acidizing and other demanding pressure-pumping operations. The range includes 2500 HP, 2800 HP, 3000 HP and 5000 HP model classes for different power, rod-load, stroke and package requirements.

The five-plunger arrangement provides more displacement events per crankshaft revolution than a triplex design. When correctly configured, this can support high flow with reduced pressure fluctuation and smoother discharge under demanding operating conditions.

Final pressure and flow capability depends on the selected plunger diameter, pump speed, fluid-end pressure rating, valve configuration, rod-load limit, fluid properties and duty cycle. Every application should be confirmed against an approved performance curve.

Quintuplex Frac Pump Model Comparison

Model class	2500 HP	2800 HP	3000 HP	5000 HP
Pump configuration	Quintuplex	Quintuplex	Quintuplex	Quintuplex
Rated power	2500 HP	2800 HP	3000 HP	5000 HP
Rated rod load	192,325 lbf	229,305 lbf	230,000 lbf	380,000 lbf
Stroke	8 in / 203 mm	8 in / 203 mm	10 in / 254 mm	12 in / 304.8 mm
Drive type	Gear drive	Gear drive	Gear drive	Gear drive
Drive ratio	6.353:1	6.333:1	6.933:1	5.087:1
Published maximum pressure	Configuration-dependent	Up to 140 MPa*	Configuration-dependent	Configuration-dependent
Dimensions	2201 × 2013 × 1161 mm	2321 × 2322 × 1205 mm	2380 × 2850 × 1060 mm	3377 × 2945 × 2590 mm
Approximate weight	7,300 kg	9,500 kg	10,000 kg	29,000 kg
Typical service	Fracturing and acidizing	High-pressure fracturing	Fracturing and acidizing	Heavy fracturing

*The published pressure value for the 2800 model applies only to an approved plunger and fluid-end configuration. It must not be assumed for every operating point or package.

The table provides model-reference information. Final rated pressure, delivered flow, operating speed, drive power and continuous-duty capability must be confirmed for the selected configuration.

How a Quintuplex Frac Pump Works

The prime mover supplies mechanical power through the drive train and gearbox to the pump crankshaft. The crankshaft converts rotary motion into reciprocating movement at five plungers.

During the suction stroke, fluid enters the fluid end through the suction valves. During the discharge stroke, the plungers pressurize the fluid and force it through the discharge valves into the high-pressure flowline and manifold.

Pressure is created by system resistance rather than by the pump alone. Flow is determined mainly by:

• Plunger diameter
• Stroke length
• Pump speed
• Number of plungers
• Volumetric efficiency

Theoretical hydraulic horsepower can be estimated from pressure and flow, but pump selection must also consider mechanical efficiency, rod load, fluid-end rating, suction conditions, duty cycle and drive-system limits.

Pressure, Flow and Plunger Selection

Frac pumps should not be selected from horsepower alone. A complete engineering review should include:

• Normal and maximum discharge pressure
• Minimum, normal and maximum flow
• Required hydraulic horsepower
• Available input horsepower
• Plunger diameter
• Stroke
• Pump operating speed
• Rod-load limit
• Fluid-end pressure rating
• Mechanical and volumetric efficiency
• Fluid density and viscosity
• Proppant concentration and particle size
• Suction pressure and acceleration head
• Continuous or intermittent duty
• Ambient temperature and altitude
• Gearbox and drive-system limits

A smaller plunger can support higher pressure at a lower hydraulic force, but delivers less displacement per stroke. A larger plunger increases flow but also increases hydraulic load at the same pressure.

Send GPE your required pressure, flow and fluid conditions. Our engineering team can evaluate the pump model, plunger size, operating speed, fluid end and drive configuration.

Key Design Features

Five-Plunger Configuration

The quintuplex arrangement uses five plungers operating through the crankshaft and power end. The additional plungers can provide smoother discharge and reduced pressure fluctuation compared with a comparable three-plunger arrangement.

High Rod-Load Capacity

The power end is designed around the rated rod-load and power requirements of each model. Final operating pressure must remain within the approved rod-load envelope for the selected plunger diameter.

Heavy-Duty Power End

The power end includes the gearbox, crankshaft, connecting rods, crossheads, bearings and lubrication system required to transfer mechanical input to the plungers.

The 2500–5000 HP range is designed for demanding oilfield pressure-pumping service, subject to the approved operating envelope of the selected model.

Configurable High-Pressure Fluid End

Fluid-end options can be evaluated according to:

• Required pressure rating
• Standard or sour service
• Fluid chemistry
• Proppant concentration
• Corrosion requirements
• Valve and seat arrangement
• Packing configuration
• Suction and discharge connections

Available pressure-containing materials may include high-strength alloy steel, stainless steel and other approved corrosion-resistant materials.

Flexible Plunger and Packing Options

Different plunger diameters can be combined with compatible packing systems to meet specific pressure and flow requirements.

Packing selection should consider fluid type, temperature, lubrication, abrasive solids and expected maintenance interval.

Drive and Package Integration

Subject to engineering review, the frac pump can be supplied as:

• Bare power end
• Complete pump assembly
• Pump and gearbox package
• Diesel-driven frac pump package
• Electric-driven frac pump package
• Skid-mounted pumping unit
• Trailer-mounted package
• Integrated control and monitoring system

Model Selection Guidance

2500 HP Quintuplex Frac Pump

The 2500 HP model can be evaluated for fracturing and acidizing applications where an 8-inch stroke and 192,325 lbf rated rod load match the required operating envelope.

2800 HP Quintuplex Frac Pump

The 2800 HP model uses an 8-inch stroke and a rated rod load of 229,305 lbf. A published configuration is available for pressures up to 140 MPa, subject to confirmation of the plunger, fluid end, speed and duty point.

3000 HP Quintuplex Frac Pump

The 3000 HP model uses a 10-inch stroke and a rated rod load of 230,000 lbf. Its longer stroke can support different displacement requirements, but final flow and pressure must be confirmed from the approved performance curve.

5000 HP Quintuplex Frac Pump

The 5000 HP model uses a 12-inch stroke and a rated rod load of 380,000 lbf. It is intended for high-power, heavy-fracturing applications requiring a carefully engineered pump, drive, fluid end, cooling and control package.

Typical Applications

GPE quintuplex frac pumps can be evaluated for:

• Hydraulic fracturing
• Shale gas stimulation
• Tight-oil stimulation
• Acidizing
• High-pressure pressure pumping
• Heavy-duty oilfield pumping
• Onshore fracturing fleets
• Electric frac systems
• Diesel-driven frac packages
• High-flow fluid-transfer service

Final suitability depends on the required pressure, flow, fluid composition, duty cycle and complete system design.

Frac Pump Package Options

A complete frac pump package may include:

• Quintuplex pump
• High-pressure fluid end
• Prime mover
• Gearbox or transmission
• Base skid or trailer
• Lubrication system
• Cooling system
• Control and monitoring system
• Suction manifold
• Discharge connection
• Pulsation-control equipment
• Relief and isolation equipment

The exact supply scope should be defined in the commercial and technical quotation.

Fluid-End and Pressure-Containing Components

The complete discharge system must be rated for the selected pressure and fluid service.

This includes:

• Fluid end
• Plungers
• Packing
• Valves and seats
• Cylinder heads and covers
• Discharge connections
• Check valves
• Plug valves
• Hammer unions
• Swivel joints
• High-pressure flowline
• Frac manifold
• Relief equipment

A high pump horsepower rating does not automatically confirm the pressure rating of every component in the system.

Quality Control and Testing

Quality-control options can include:

• Raw-material verification
• Dimensional inspection
• Gear and bearing inspection
• Crankshaft and connecting-rod inspection
• Assembly inspection
• Lubrication-system inspection
• No-load mechanical testing
• Performance testing where applicable
• Hydrostatic testing of pressure-containing components
• Nondestructive testing
• Continuous-operation testing
• Third-party inspection upon request

Available documentation can include material records, dimensional reports, test records, NDT reports, hydrostatic-test reports, technical drawings and export documents according to the order requirements.

Packaging and Global Delivery

Packaging can be configured according to whether the order includes a bare pump, complete pump assembly or full skid package.

Available protection can include:

• Anti-rust treatment
• Sealing-surface protection
• Heavy-duty steel-frame packaging
• Export-standard wooden cases
• Moisture protection
• Lifting-point identification
• Transportation restraints
• Oversized-cargo preparation

Final package dimensions, gross weight and shipping method depend on the selected configuration.

Triplex vs Quintuplex Frac Pump

A triplex pump has three plungers and can be a practical choice for cementing, general pressure pumping and some fracturing duties when its pressure, flow and rod-load envelope meets the application.

A quintuplex frac pump has five plungers and is generally selected when higher flow, reduced pressure fluctuation or very high horsepower is required.

For 400–2250 HP general pressure-pumping applications, compare our Triplex Plunger Pump range.

Information Required for a Frac Pump Quotation

Please provide:

1. Normal and maximum operating pressure
2. Minimum, normal and maximum flow
3. Fracturing-fluid composition
4. Proppant type, size and concentration
5. Fluid density, viscosity and temperature
6. Suction pressure and suction-system arrangement
7. Continuous or intermittent duty
8. Required number of operating hours
9. Preferred diesel or electric drive
10. Skid-mounted or trailer-mounted configuration
11. Required fluid-end service class
12. Inspection and documentation requirements
13. Installation environment
14. Delivery destination

Frequently Asked Questions

What is a frac pump?

A frac pump is a high-pressure positive-displacement pump used to inject fracturing fluid into a well. It supplies the pressure and flow required to create and extend fractures in the reservoir formation.

How does a frac pump work?

The prime mover drives the pump power end, which moves multiple plungers. The plungers draw fluid into the fluid end and discharge it into the high-pressure fracturing system.

What is a quintuplex frac pump?

A quintuplex frac pump uses five plungers. The five-plunger design can provide high flow with smoother discharge and reduced pressure fluctuation compared with a comparable triplex arrangement.

What pressure can the pump deliver?

Maximum pressure depends on the pump model, plunger diameter, rod-load limit, fluid-end rating, speed and duty cycle. Pressure must be confirmed from an approved configuration and performance curve.

How much does a frac pump weigh?

The published bare-pump model references range from approximately 7,300 kg for the 2500 HP model to approximately 29,000 kg for the 5000 HP model. A complete package will weigh more depending on the drive, gearbox, skid, cooling system and accessories.

How much does a frac pump cost?

Cost depends on horsepower, fluid end, drive system, skid or trailer arrangement, controls, inspection requirements and supply scope. A price can be prepared after the duty point and package requirements are confirmed.

How long does a frac pump last?

Service life depends on operating pressure, speed, duty cycle, fluid abrasiveness, proppant concentration, lubrication, maintenance and replacement of wear components. Maintenance intervals should be based on the approved operating and service plan.

Can GPE supply the fluid end and spare parts?

Yes. Fluid ends and related high-pressure components can be supplied according to pump model, pressure rating, service environment and compatibility requirements.