F Series Triplex Single-Acting Mud Pumps for Drilling Rigs

Description

Goldenman F Series Mud Pumps are triplex single-acting reciprocating pumps designed for high-pressure drilling-fluid circulation in oil and gas drilling operations.

The available range includes the F-500, F-800, F-1000, F-1300, and F-1600, with rated input power from 500 to 1,600 HP and maximum pressure ratings up to 5,080 psi.

Different models, liner sizes, and operating speeds can be selected according to the required flow rate, circulating pressure, drilling depth, hole section, and available rig power. Goldenman can supply the bare pump, a configured pump package, fluid-end consumables, and power-end replacement parts.

Applicable API certification documentation is supplied according to the ordered product and project requirements.

Product Highlights

• F-500 to F-1600 triplex mud pump range
• Rated power from 500 to 1,600 HP
• Triplex single-acting reciprocating design
• Maximum rated speed from 120 to 165 SPM
• Maximum pressure ratings up to 5,080 psi
• Herringbone gear transmission
• Forced and splash lubrication
• API-5, API-6 or API-7 valve-pot configurations
• Maximum liner diameters up to 180 mm / 7 in
• Bare pump and complete package options
• Fluid-end consumables and power-end parts available
• API documentation and third-party inspection support

What Is an F Series Triplex Mud Pump?

An F Series triplex mud pump is a positive-displacement piston pump used to circulate drilling fluid through the surface piping, standpipe, rotary hose, drillstring and bit nozzles.

“Triplex” means the pump uses three fluid-end cylinders. “Single-acting” means each piston performs suction on one stroke and discharge on the return stroke.

During drilling, the pump helps:

• Carry drilled cuttings to the surface
• Cool and clean the drill bit
• Provide hydraulic energy at the bit
• Operate downhole mud motors and tools
• Support wellbore pressure control
• Maintain drilling-fluid circulation
• Improve hole cleaning and wellbore stability

The correct model must be selected according to the required pressure-and-flow operating point rather than horsepower alone.

F Series Mud Pump Model Range

Parameter	F-500	F-800	F-1000	F-1300	F-1600
Pump type	Triplex single-acting	Triplex single-acting	Triplex single-acting	Triplex single-acting	Triplex single-acting
Rated power	373 kW / 500 HP	596 kW / 800 HP	735 kW / 1,000 HP	969 kW / 1,300 HP	1,193 kW / 1,600 HP
Maximum rated speed	165 SPM	150 SPM	140 SPM	120 SPM	120 SPM
Stroke	190 mm / 7-1/2 in	228.6 mm / 9 in	254 mm / 10 in	305 mm / 12 in	305 mm / 12 in
Maximum liner diameter	170 mm / 6-3/4 in	170 mm / 6-3/4 in	170 mm / 6-3/4 in	180 mm / 7 in	180 mm / 7 in
Gear type	Herringbone	Herringbone	Herringbone	Herringbone	Herringbone
Valve pot	API-5	API-6	API-6	API-7	API-7
Gear ratio	4.286:1	4.185:1	4.207:1	4.206:1	4.206:1
Suction inlet	203 mm / 8 in	254 mm / 10 in	305 mm / 12 in	305 mm / 12 in	305 mm / 12 in
Discharge outlet	4 in flange, 5,000 psi	5 in flange, 5,000 psi	5 in flange, 5,000 psi	5 in flange, 5,000 psi	5 in flange, 5,000 psi
Lubrication	Forced and splash	Forced and splash	Forced and splash	Forced and splash	Forced and splash
Maximum pressure	27.2 MPa / 3,945 psi	34.5 MPa / 5,000 psi	34.5 MPa / 5,000 psi	34.5 MPa / 5,000 psi	35 MPa / 5,080 psi
Overall dimensions	144 × 106 × 86 in	156 × 79 × 66 in	163 × 89 × 70 in	174 × 121 × 78 in	181 × 129 × 106 in
Approximate weight	9,770 kg	14,500 kg	18,790 kg	24,572 kg	24,791 kg

Maximum liner diameter, maximum pressure, and maximum speed are equipment limits and should not automatically be treated as one simultaneous operating point. The final operation must be checked against the liner-specific pressure, displacement, and power data.

F Series Model Selection Guide

F-500 Mud Pump

The F-500 is the smallest model in this series, rated at 500 HP with a maximum speed of 165 SPM.

It may be considered for:

• Lower hydraulic-power requirements
• Smaller drilling and workover rigs
• Shallow or moderate-depth drilling
• Projects where compact size and lower weight are important
• Replacement of an existing F-500 installation

Its listed maximum pressure is lower than that of the larger F-series models.

F-800 Mud Pump

The F-800 is rated at 800 HP and combines a 9-inch stroke with a maximum rated speed of 150 SPM.

It may be suitable for:

• Medium-duty drilling-fluid circulation
• Rig upgrades from a smaller pump class
• Projects requiring up to a 5,000 psi pump rating
• Installations where an F-1000 or larger pump is unnecessary
• Existing F-800 replacement projects

F-1000 Mud Pump

The F-1000 provides a 1,000 HP rating and a 10-inch stroke.

It may be selected when:

• More power is required than the F-800 can provide
• A higher hydraulic output is needed
• The rig power system supports a 1,000 HP pump
• Existing foundations and interfaces are designed for the F-1000
• The project requires a balance between output and overall size

F-1300 Mud Pump

The F-1300 is rated at 1,300 HP and uses a 12-inch stroke with a maximum liner diameter of 180 mm.

It is generally considered for:

• Deeper drilling programs
• Higher flow and hydraulic-power requirements
• Larger land drilling rigs
• Long-duration drilling operations
• Projects using API-7 valve-pot components

F-1600 Mud Pump

The F-1600 is the highest-power model listed in this series, rated at 1,600 HP.

It may be selected for:

• Deep and demanding drilling programs
• High hydraulic-horsepower requirements
• Large land drilling rigs
• Operations requiring greater pressure-and-flow capacity
• Replacement or upgrade of an existing F-1600 system

The F-1600 should not be selected only because it has the largest power rating. Driver capacity, pump utilization, space, foundation loading and lifecycle cost must also be evaluated.

How to Select the Correct F Series Mud Pump

1. Determine the Required Flow Rate

Required mud-pump flow depends on:

• Hole diameter
• Drill-pipe and drill-collar dimensions
• Required annular velocity
• Drilling depth
• Bit nozzle configuration
• Downhole tool requirements
• Drilling-fluid properties
• Number of pumps operating together

The required flow rate helps determine the appropriate model, liner diameter, and operating SPM.

2. Calculate the Required Circulating Pressure

The required discharge pressure is affected by:

• Drillstring friction loss
• Annular pressure loss
• Bit pressure drop
• Surface piping loss
• Mud density and rheology
• Drilling depth
• Downhole motor or tool pressure requirements

Buyers should provide both the normal operating pressure and the maximum anticipated pressure.

3. Match Liner Size to Pressure and Flow

Liner diameter directly affects displacement and allowable operating pressure.

A larger liner generally provides:

• More displacement per stroke
• Higher flow at the same SPM
• Lower allowable pressure at a fixed input power

A smaller liner generally provides:

• Lower displacement per stroke
• Lower total flow
• Greater pressure capability at the same power input

The maximum liner diameter and maximum pump pressure should therefore not be combined without checking the model-specific performance chart.

4. Confirm Available Rig Power

The pump driver and transmission must support the selected operating point.

The evaluation should include:

• Electric motor or diesel engine rating
• Transmission efficiency
• Starting torque
• Continuous-duty requirement
• Site altitude
• Ambient temperature
• Electrical voltage and frequency
• Belt, chain, or gearbox arrangement

5. Check Installation Compatibility

For replacement projects, confirm:

• Foundation dimensions
• Pump rotation direction
• Drive-shaft position
• Suction inlet location
• Discharge outlet location
• Overall dimensions
• Pump weight
• Existing piping interfaces
• Lubrication-system arrangement
• Maintenance access

The F-series model name alone does not guarantee a direct drop-in replacement.

Bare Pump and Complete Pump Package Options

A quotation should clearly define whether the requirement is for a bare pump or a complete drilling mud pump package.

A complete package may include:

• F Series mud pump
• Base skid
• Electric motor or diesel engine
• Belt, chain or gearbox transmission
• Couplings and guards
• Suction manifold
• Discharge manifold
• Charging pump
• Pulsation dampener
• Pressure-relief device
• Lubrication-system accessories
• Instrumentation
• Control panel
• High-pressure piping
• Mounting and foundation components

Buyers should compare supplier quotations according to the complete supply boundary rather than the pump model and price alone.

Power End and Fluid End

Power End

The power end converts rotary input from the driver into reciprocating movement at the piston rods.

Main assemblies include:

• Main gear and pinion
• Crankshaft
• Connecting rods
• Crossheads
• Crosshead guides
• Extension rods
• Bearings
• Lubrication components

The listed F Series pumps use herringbone gear transmission with forced and splash lubrication.

Fluid End

The fluid end draws in, compresses, and discharges drilling fluid.

Main fluid-end components include:

• Fluid-end modules
• Liners
• Pistons
• Piston rods
• Suction valves
• Discharge valves
• Valve seats
• Valve inserts
• Cylinder-head plugs
• Valve covers
• Seals and gaskets

Fluid-end consumables must be selected according to mud type, temperature, solids concentration, chemical compatibility and expected operating pressure.

F Series Mud Pump Spare Parts

Goldenman can supply consumables and replacement parts for F Series mud pumps, including:

• Mud pump liners
• Piston assemblies
• Piston rods
• Valves and valve seats
• Valve inserts
• Fluid-end modules
• Cylinder-head plugs
• Valve covers
• Extension rods
• Crosshead components
• Bearings
• Gears
• Seals and gaskets
• Suction and discharge accessories

For replacement-part orders, provide the pump model, part number, dimensions, material requirements and clear photographs of the existing component.

Parts should not be considered interchangeable only because they are described as compatible with the same F-series model.

Procurement Considerations

Drilling-Fluid Conditions

Buyers should identify whether the pump will handle:

• Water-based mud
• Oil-based mud
• Synthetic-based mud
• High-solids mud
• Abrasive drilling fluid
• High-temperature fluid
• Chemically aggressive fluid

These conditions influence liner, piston, valve insert, seal, and fluid-end material selection.

Continuous Operating Duty

Maximum pressure and speed are equipment ratings, not necessarily the preferred continuous operating conditions.

Continuous-duty selection should consider:

• Average operating pressure
• Average SPM
• Mud temperature
• Solids content
• Suction conditions
• Planned maintenance intervals
• Required consumable service life

Suction-System Design

An unsuitable suction system can cause:

• Poor cylinder filling
• Cavitation
• Pump vibration
• Pressure fluctuations
• Valve damage
• Piston and liner wear
• Reduced volumetric efficiency

The purchaser should confirm suction-pipe diameter, line length, mud-tank level, charging-pump capacity and potential air-leakage points.

Spare-Parts Planning

The initial spare-parts package should be based on:

• Pump model
• Number of operating pumps
• Daily operating hours
• Drilling-fluid abrasiveness
• Project duration
• Local inventory availability
• Replacement-part lead time

Remote and continuous drilling projects normally require a larger on-site inventory of fluid-end consumables.

API Certification and Quality Control

Goldenman supplies F Series mud pumps with applicable API certification documentation according to the agreed product and order scope.

Quality-control activities may include:

• Material verification
• Dimensional inspection
• Gear and bearing inspection
• Crankshaft inspection
• Crosshead alignment checks
• Fluid-end component inspection
• Assembly verification
• Lubrication system inspection
• Rotation and functional testing
• Pressure testing of applicable components
• Product-marking verification
• Coating inspection
• Final documentation review
• Packing inspection

The API certificate scope, test requirements, and documentation package should be confirmed in the purchase order.

Available Documentation

Depending on project requirements, the order documentation can include:

• Applicable API certificate
• Certificate of Conformity
• Product datasheet
• General arrangement drawing
• Material documentation
• Dimensional inspection record
• Assembly and functional test records
• Pressure-test records for applicable components
• Operation and maintenance manual
• Recommended spare-parts list
• Packing list
• Third-party inspection report when ordered

Frequently Asked Questions

How should buyers choose between the F-500, F-800, F-1000, F-1300, and F-1600?

The model should be selected according to the required flow-pressure operating point, available rig power, drilling depth, liner size, installation space and continuous-duty requirement. Horsepower alone is not sufficient for correct selection.

Can an F Series mud pump operate at its maximum pressure with the maximum liner diameter?

Not necessarily. Maximum liner diameter and maximum pressure are separate equipment limits. The allowable pressure decreases as liner diameter and required displacement increase. The actual combination must be verified using the model-specific performance chart.

What is the difference between pump horsepower and hydraulic horsepower?

Rated pump horsepower describes the mechanical input capacity of the pump. Hydraulic horsepower represents the power delivered by the drilling fluid and depends on flow rate and discharge pressure. Mechanical and volumetric losses mean the two values are not identical.

When should an F-1000 be selected instead of an F-800?

An F-1000 may be appropriate when the required pressure-and-flow combination exceeds the practical operating range of the F-800, and the rig has sufficient driver power, installation space and foundation capacity.

Is an F-1600 always better than a smaller F Series mud pump?

No. An oversized pump can increase capital cost, weight, installation requirements, and power consumption without improving the drilling program. The pump should be matched to the actual hydraulic requirement.

Can an F Series pump from one manufacturer directly replace another pump with the same model name?

Not automatically. Foundation dimensions, input-shaft position, rotation direction, suction and discharge locations, component dimensions and spare-part interfaces should be verified before replacement.

What causes unstable discharge pressure in a triplex mud pump?

Common causes include worn valves or seats, damaged pistons or liners, insufficient suction pressure, air entering the suction line, unsuitable pulsation dampening, inconsistent mud properties, or an incorrect charging-pump configuration.

How should the initial spare-parts package be calculated?

The package should be based on the pump model, planned operating hours, mud abrasiveness, project duration, number of pumps, and local replacement-part availability. High-wear fluid-end consumables should receive priority.

What information is required to quote a complete F Series mud pump package?

The buyer should provide the required flow rate, working pressure, maximum pressure, preferred model, liner sizes, driver type, electrical data, mud properties, package boundary, spare-parts requirement, and project documentation requirements.

Information Required for Quotation

Please provide:

• Preferred F Series model
• Required flow rate
• Normal operating pressure
• Maximum operating pressure
• Planned stroke rate
• Required liner sizes
• Drilling depth and hole size
• Drilling-fluid type
• Mud density and solids concentration
• Expected fluid temperature
• Electric or diesel drive preference
• Voltage and frequency
• Bare pump or complete package requirement
• Suction and discharge connection requirements
• Required auxiliary equipment
• Initial spare-parts requirement
• API certification requirements
• Third-party inspection requirements
• Destination country
• Required delivery schedule

For replacement projects, also provide the existing pump nameplate, general arrangement drawing, foundation dimensions, and connection locations.

Request a Technical Quotation

Goldenman supplies F-500, F-800, F-1000, F-1300 and F-1600 triplex single-acting mud pumps, complete pump packages and replacement parts.

Send your required flow, operating pressure, preferred model, liner size, drive system, package scope and API documentation requirements to:

Email: info@goldenman.com

Goldenman will review the drilling conditions and recommend the appropriate F Series mud pump configuration.