Description

Drilling Mud Centrifugal Pump for Oilfield Solids Control & Mud Circulation

SGPE manufactures Drilling Mud Centrifugal Pumps for oil and gas drilling rigs, solids control systems, drilling fluid transfer, mud mixing and triplex mud pump charging.

Built for continuous surface mud handling, the pump works with Water-Based Mud (WBM), Oil-Based Mud (OBM), Synthetic-Based Mud (SBM), weighted drilling mud and barite-loaded fluids. Typical configurations cover pump sizes from 3 × 2 in. to 10 × 8 in., with flow rates up to approximately 550 m³/h according to the selected hydraulic design.

Typical duties include desander feed, desilter feed, mud cleaner feed, hydrocyclone feed, Jet Mud Mixer circulation, mud hopper service, barite mixing, mud tank circulation, active and reserve mud transfer, trip tank transfer and triplex mud pump supercharging.

We supply centrifugal mud pumps for land drilling rigs, offshore platforms, jack-up rigs, semi-submersibles, drillships and workover rigs. Customers can order a bare pump, pump-and-motor assembly, base-mounted unit or complete skid-mounted package.

For replacement projects, send the existing pump model, nameplate, performance curve, motor data, connection sizes and mounting dimensions. We compare the hydraulic duty and installation interfaces before preparing the replacement proposal.

Email:  info@sgpe.com
Tel/Whatsapp:  +86 186-1599-5239

Drilling Mud Centrifugal Pump Product Short Description

A Drilling Mud Centrifugal Pump is a high-flow surface pump used to move drilling fluid between mud tanks, solids control equipment, mixing systems and the suction side of the main drilling mud pump.

Depending on its position on the rig, the same pump family may work as an Oilfield Centrifugal Pump, Centrifugal Sand Pump, Solids Control Feed Pump, Hydrocyclone Feed Pump, Mud Mixing Pump, Drilling Fluid Transfer Pump or Mud Pump Charging Pump.

The name describes the application; the correct pump still depends on the required flow, Total Dynamic Head, fluid properties, suction conditions and installation layout.

How a Drilling Mud Centrifugal Pump Works

A centrifugal mud pump converts mechanical energy from the drive into hydraulic energy.

Drilling fluid enters through the suction connection and moves toward the eye of the rotating impeller. The impeller accelerates the fluid outward. The pump casing collects the flow and converts part of its velocity into pressure before directing the mud into the discharge line.

This continuous rotary action makes centrifugal pumps well suited to high-volume drilling fluid circulation, transfer, mixing and solids control equipment feed.

A centrifugal pump performs a different job from a high-pressure triplex drilling mud pump. The centrifugal unit handles surface fluid movement. The triplex pump generates the pressure required to circulate mud through the standpipe, rotary hose, drill string and drill bit.

A typical solids control flow path can follow:

Well Return → Drilling Shale Shaker → Mud Tank → Centrifugal Pump → Desander / Desilter / Mud Cleaner → Conditioned Mud Tank → Triplex Mud Pump

The exact flow path depends on the drilling rig, mud tank arrangement and solids control design.

Drilling Mud Centrifugal Pump Technical Specifications

The following values show the general SGPE product range. Final specifications follow the approved hydraulic selection, operating conditions and project datasheet.

Drilling Mud Centrifugal Pump Performance and Hydraulic Range

This section covers the main hydraulic, dimensional and drive parameters used when selecting an oilfield centrifugal pump for solids control, mud transfer, mixing and charging duties.

Technical Parameter	Typical SGPE Configuration
Product	Drilling Mud Centrifugal Pump
Product Category	Oilfield Centrifugal Pump / Centrifugal Sand Pump
Main Industry	Oil & Gas Drilling
Pump Type	Horizontal, single-stage centrifugal pump
Typical Size Range	3 × 2 in. to 10 × 8 in.
Typical Impeller Range	Approx. 10–14 in., model-dependent
Flow Capacity	Approx. 20–550 m³/h
Flow Reference	Approx. 88–2,420 GPM
Discharge Head	Approx. 20–70 m
Head Reference	Approx. 66–230 ft
Motor Power	Approx. 5.5–110 kW
Power Reference	Approx. 7.5–150 HP
Pump Speed	Selected according to hydraulic duty
Frequency	50 Hz / 60 Hz
Motor Standard	IEC / NEMA
Drive Options	Electric / Diesel / Hydraulic

Final flow, head, impeller diameter, operating speed and motor power depend on the selected pump curve and actual hydraulic duty.

Drilling Mud Centrifugal Pump Construction and Package Options

The pump configuration can be selected around the drilling fluid, solids loading, installation layout and required supply scope for land, offshore and workover applications.

Technical Parameter	Typical SGPE Configuration
Impeller	Open or semi-open according to selected design
Pump Casing	Wear-resistant oilfield construction
Shaft	High-strength alloy steel
Shaft Protection	Sleeve or selected wear-protection arrangement
Shaft Seal	Mechanical seal or project-selected configuration
Bearings	Heavy-duty rolling-element bearing system
Suction Connection	Flanged
Discharge Connection	Flanged
Drilling Fluid	WBM / OBM / SBM / Weighted Mud
Solids Service	Abrasive solids-laden drilling fluid
Installation	Bare / Pump-and-Motor / Base-Mounted / Skid-Mounted
Main Duty	Feed / Transfer / Mixing / Circulation / Charging
Replacement Matching	Available
Custom Pump Package	Available
Spare Parts Supply	Available
Project Documentation	According to approved order scope

Final seal arrangement, wear components, package configuration and NPSH requirements follow the selected pump model, drilling fluid properties and operating conditions.

Oilfield Centrifugal Sand Pump Sizes and Typical Duties

Different hydraulic sizes serve different positions within the surface mud system.

Pump Size	Typical Duty Level	Common Oilfield Application
3 × 2	Lower flow	Auxiliary transfer and smaller trip tank systems
4 × 3	Low to medium flow	Mud transfer and compact mixing systems
5 × 4	Medium flow	Desilter feed, Jet Mud Mixer and tank transfer
6 × 5	Medium to high flow	Desander, mud cleaner and solids control
8 × 6	High flow	Large solids control and mud mixing systems
10 × 8	Very high flow	High-capacity surface mud circulation

Oilfield buyers may also encounter hydraulic designations such as 3 × 2 × 13, 4 × 3 × 13, 5 × 4 × 14, 6 × 5 × 14 and 8 × 6 × 14.

For example, a 6 × 5 × 14 designation generally identifies the suction size, discharge size and nominal hydraulic or impeller family.

However, this designation alone does not define pump performance. Impeller diameter, RPM, hydraulic design, drilling fluid density, viscosity and system resistance all influence the operating point.

Two 6 × 5 centrifugal pumps can therefore produce different flow and head.

For a new pump or replacement 6×5×14 centrifugal sand pump, provide the required operating point or existing pump curve whenever available.

Drilling Mud Centrifugal Pump Application and Selection Guide

The same centrifugal pump principle can serve several positions around the rig, but each duty requires a different hydraulic match.

Application	Main Selection Priority	Additional Consideration
Desander Feed	Flow and hydrocyclone pressure	Cone quantity and manifold loss
Desilter Feed	Stable flow	Number of active cones
Mud Cleaner Feed	Hydrocyclone feed pressure	Cone and screen capacity
Hydrocyclone Feed	Flow plus inlet pressure	Piping resistance
Jet Mud Mixer	Flow and discharge head	Hopper and nozzle configuration
Mud Hopper Service	Venturi circulation	Additive loading rate
Barite Mixing	Motor power	Mud density
Active Mud Transfer	Transfer capacity	Pipe length and elevation
Reserve Mud Transfer	Transfer time	Tank volume and mud density
Mud Tank Circulation	Continuous fluid movement	Tank and manifold layout
Trip Tank Transfer	Controlled fluid movement	Tank volume
Mud Gun Supply	Flow and manifold pressure	Nozzle demand
Mud Pump Charging	Stable suction feed	Main triplex pump demand
High ROP Drilling	High fluid throughput	Solids control capacity
Large Hole Section	High mud volume	Pump and system capacity
OBM / SBM	Fluid compatibility	Seal and temperature
Weighted Mud	Motor power margin	Density and abrasion
Offshore Drilling	Reliability and compact layout	Corrosion protection
Existing Rig Replacement	Hydraulic and dimensional fit	Curve, dimensions and photos

Centrifugal Pump for Desander, Desilter and Mud Cleaner Feed

Desander Feed Pump

A drilling mud desander uses hydrocyclones to remove sand-size solids from returning drilling fluid.

The Desander Feed Pump must provide enough flow while maintaining the required inlet pressure at the hydrocyclone manifold. If flow drops below the required level, the desander cannot process its intended mud volume. Unstable inlet pressure can also affect separation performance.

Pump selection therefore considers the hydrocyclone size, number of active cones, required feed pressure, drilling fluid density, piping resistance and elevation.

These factors become particularly important during high-ROP drilling and large surface-hole sections, where both mud volume and solids loading can increase.

Desilter Feed Pump

A desilter uses smaller hydrocyclones to remove finer drilled solids.

Several cones normally operate in parallel. The Desilter Feed Pump must therefore support their combined flow demand rather than the nominal capacity of one cone.

Because the number of active cones can change during drilling, we consider normal and maximum operating conditions when selecting the pump. Oversizing the pump without considering the actual operating range can create an inefficient hydraulic match.

Mud Cleaner and Hydrocyclone Feed Pump

A mud cleaner combines hydrocyclone separation with a fine-screen recovery deck.

The Mud Cleaner Feed Pump supplies drilling fluid to the hydrocyclone manifold. The screening section then processes the separated underflow and recovers usable mud.

A Hydrocyclone Feed Pump must provide both fluid volume and inlet pressure, so it differs from a simple tank transfer pump.

For this duty, the main selection data are required flow, hydrocyclone feed pressure, active cone quantity, piping losses, elevation and drilling fluid properties.

Centrifugal Pump for Jet Mud Mixer, Mud Hopper and Barite Mixing

A Jet Mud Mixer uses centrifugal pump flow to create the velocity required for venturi mixing.

The pump draws drilling fluid from the mixing tank and sends it through the jet nozzle. The resulting flow creates the conditions needed to introduce dry materials through the hopper.

Typical additives include barite, bentonite, polymers and other drilling fluid chemicals.

A Jet Mud Mixer Pump, Mud Hopper Pump or Mud Mixing Pump must therefore provide enough flow and discharge head for the selected mixer and nozzle arrangement.

Mixing Parameter	Effect on Pump Selection
Hopper Capacity	Determines circulation requirement
Jet Nozzle	Influences required pressure
Additive Rate	Influences mixing demand
Mud Density	Influences motor power
Mud Viscosity	Influences hydraulic performance
Pipe Diameter	Influences friction loss
Tank Volume	Influences circulation time
Required Mixing Time	Influences pump capacity

Barite mixing needs particular attention because increasing mud density also increases shaft power demand at the same hydraulic duty.

SGPE can supply the centrifugal pump separately or combine it with a Jet Mud Mixer as a coordinated drilling fluid mixing package.

Mud Transfer Pump, Mud Tank Circulation and Trip Tank Transfer

A drilling rig normally uses active tanks, reserve tanks, suction tanks, premix tanks, slug tanks and trip tanks.

A Mud Transfer Pump or Drilling Fluid Transfer Pump moves fluid between these sections as drilling operations change.

For example, crews may transfer prepared reserve mud into the active system, move premixed mud into a working tank or balance fluid volume between compartments.

Fluid Volume	Target Transfer Time	Approx. Average Flow
50 bbl	10 min	210 GPM / 47.7 m³/h
100 bbl	10 min	420 GPM / 95.4 m³/h
200 bbl	15 min	560 GPM / 127.2 m³/h
300 bbl	20 min	630 GPM / 143.1 m³/h

These figures show average transfer flow only. Final pump selection also considers Total Dynamic Head, piping losses and drilling fluid properties.

The same pump family can supply a mud tank circulation manifold or mud guns. Continuous circulation helps maintain more uniform fluid properties and reduces settling of barite and suspended solids.

During tripping operations, the centrifugal pump can also work as a Trip Tank Pump or Trip Pump, transferring fluid between the trip tank and active mud system while pipe is run or pulled.

Mud Pump Charging and Supercharging Pump

A triplex drilling mud pump requires a reliable fluid supply at its suction inlet.

Some rig layouts use gravity feed. Others use a centrifugal charging pump to maintain a more stable positive supply to the main mud pump.

A Mud Pump Charging Pump, also called a Mud Pump Supercharging Pump or Centrifugal Charging Pump, draws drilling fluid from the suction tank and feeds the triplex pump inlet.

Parameter	Centrifugal Charging Pump	Triplex Drilling Mud Pump
Main Function	Positive suction feed	High-pressure mud circulation
Flow Characteristic	Continuous high-volume flow	Reciprocating flow
Pressure Level	Low to medium	High
Position	Upstream of triplex pump	Main circulation pump
Standpipe Service	No	Yes
Drill String Circulation	No	Yes
Charging Duty	Yes	Not applicable

The centrifugal charging pump supports the triplex unit; it does not replace the triplex pump’s high-pressure circulation function.

Its capacity should match the main mud pump demand, suction piping arrangement and drilling fluid properties.

Hydraulic Selection: Flow, Total Dynamic Head, BEP and NPSH

A good pump selection starts with the system duty, not the largest available motor or pump size.

Flow Rate

Flow, normally expressed in m³/h or GPM, defines how much drilling fluid the system must move.

A tank transfer pump may require high flow with relatively low head. A desander feed pump can require similar flow but greater head because it also has to maintain hydrocyclone inlet pressure.

Total Dynamic Head

Total Dynamic Head includes resistance from piping, fittings, valves, manifolds, elevation and downstream equipment.

The pump should therefore be selected against the complete system rather than discharge pressure alone.

Best Efficiency Point

The Best Efficiency Point (BEP) provides a useful reference for the preferred hydraulic operating region.

Operating too far from a suitable range can increase internal recirculation, vibration, energy consumption and component wear.

NPSH and Suction Conditions

Reliable pump operation also depends on the suction side.

Low tank level, an undersized suction pipe, long piping, restrictive valves or excessive suction lift can reduce available inlet pressure and increase cavitation risk.

Hydraulic Parameter	Why It Matters
Required Flow, Q	Defines required mud volume
Total Dynamic Head, H	Defines system resistance
Pump Speed	Influences flow and head
Impeller Diameter	Changes the performance curve
Efficiency	Indicates hydraulic efficiency
BEP	Identifies preferred operating range
Absorbed Power	Defines shaft power demand
Motor Power	Provides drive capacity
NPSHr	Defines pump suction requirement
NPSHa	Defines available suction head
Mud Density	Changes absorbed power
Mud Viscosity	Influences hydraulic performance
Fluid Temperature	Influences suction and seals
Solids Content	Influences component wear

If one pump must serve several operating conditions, provide both normal and maximum duty points.

Drilling Mud Density, Viscosity and Fluid Compatibility

Many centrifugal pump curves use water as the reference fluid, while drilling mud can be considerably heavier.

A useful engineering relationship is:

Specific Gravity ≈ Mud Weight (ppg) ÷ 8.34

Mud Weight	Approx. Specific Gravity
8.34 ppg	1.00
10 ppg	1.20
12 ppg	1.44
14 ppg	1.68
16 ppg	1.92
18 ppg	2.16

Higher mud density increases shaft power demand at the same hydraulic duty. A motor selected only from a water performance curve can therefore be undersized for heavy weighted mud.

Viscosity can also change actual hydraulic performance, while drilled solids and weighting material influence wear on the casing, impeller and sealing area.

Drilling Fluid	Typical Oilfield Application	Main Selection Focus
Water-Based Mud (WBM)	Land and offshore drilling	Density, viscosity and solids
Oil-Based Mud (OBM)	Deep and directional wells	Seal and fluid compatibility
Synthetic-Based Mud (SBM)	Offshore and deepwater drilling	Compatibility and temperature
Weighted Mud	High-density mud systems	Motor power and abrasion
Barite-Loaded Mud	Mud-weight adjustment	Wear and power demand
Polymer Mud	Mud preparation and conditioning	Viscosity
Compatible Workover Fluid	Well-service operations	Fluid chemistry

For weighted mud and other demanding drilling fluids, provide both normal and maximum mud weight during pump selection.

Pump Construction, Wear Parts and Seal Selection

A centrifugal sand pump used in drilling mud service must tolerate abrasive fluid while remaining practical to inspect and maintain.

Component	Typical SGPE Configuration	Main Function
Pump Casing	Wear-resistant construction	Contains and directs drilling fluid
Impeller	Open or semi-open	Transfers hydraulic energy
Shaft	High-strength alloy steel	Transfers drive torque
Shaft Sleeve	Model-dependent	Protects shaft
Bearing Housing	Heavy-duty construction	Supports rotating assembly
Bearings	Rolling-element arrangement	Supports radial and axial loads
Mechanical Seal	Service-selected	Controls shaft leakage
Flexible Coupling	Packaged configuration	Connects pump and drive
Coupling Guard	Packaged configuration	Provides mechanical protection
Baseplate	Rigid structure	Supports alignment
Skid	Optional integrated package	Simplifies field installation

The open or semi-open impeller arrangement suits solids-laden drilling fluids and provides practical maintenance access.

Correct shaft, bearing and pump-to-drive alignment helps protect bearings, seals and coupling components during continuous operation.

Seal selection follows the actual fluid service. WBM requires attention to abrasion and suspended solids. OBM and SBM require suitable material and elastomer compatibility. Weighted mud combines abrasion with higher density, while higher fluid temperature places additional demands on the sealing arrangement.

For replacement equipment, clear photographs and dimensions of the existing shaft and seal area help confirm the required configuration.

Electric, Diesel, Hydraulic and Skid-Mounted Pump Packages

Different drilling rigs use different power sources and installation arrangements.

Drive / Package Option	Typical Application	Main Selection Data
Electric Motor	Land and offshore solids control	Power, voltage and frequency
Diesel Engine	Remote or independent pump package	Required RPM and power
Hydraulic Motor	Workover and mobile equipment	Hydraulic pressure and flow
Pump-and-Motor Assembly	New or replacement rig equipment	Duty point and electrical supply
Base-Mounted Package	Fixed mud system	Base and piping arrangement
Skid-Mounted Package	Rig upgrade and packaged systems	Footprint and interface data

Electric motors remain the most common drive for drilling rig solids control equipment.

SGPE supplies 50 Hz and 60 Hz oilfield centrifugal pump packages with IEC or NEMA motor configurations.

Frequency affects motor speed, while pump speed directly affects flow and head. Voltage, frequency and the required operating point should therefore be confirmed before approving the final pump curve and motor.

A complete Skid-Mounted Drilling Mud Centrifugal Pump can combine the pump, selected drive, common base, flexible coupling, coupling guard and mounting hardware.

Project-specific packages can also include suction and discharge interfaces, valves, manifolds, instrumentation or local controls.

For offshore or space-limited installations, the skid can be configured around the available footprint and maintenance access.

Drilling Mud Centrifugal Pumps for Land, Offshore and Workover Rigs

Land Drilling Rigs

Land rigs commonly install centrifugal mud pumps around active tanks, reserve tanks, solids control equipment, mixing systems and the main mud pump suction line.

High-ROP drilling and large hole sections can increase mud flow and solids loading. Stable pump performance helps downstream treatment equipment process the required fluid volume.

For desert, tropical, cold-region and remote projects, the drive, sealing system, coating and mounting arrangement can be configured around the operating environment.

Offshore Drilling Rigs

Offshore platforms, jack-up rigs, semi-submersibles and drillships use similar surface mud-processing equipment, but installation space is often more restricted.

Typical duties include desander/desilter feed, mud cleaner feed, drilling mud mixing, mud tank circulation, reserve mud transfer and triplex mud pump charging.

Offshore pump package selection can also consider deck space, corrosion protection, electrical supply, maintenance clearance and duty/standby arrangements.

Workover Rigs

Compact centrifugal pump packages support workover fluid transfer and tank circulation.

Mobile and truck-mounted workover units often have limited installation space, making drive arrangement and skid dimensions important selection inputs.

How to Select the Right Drilling Mud Centrifugal Pump

1. Confirm the pump duty. Identify whether the pump will feed a desander, desilter or mud cleaner, circulate a Jet Mud Mixer, transfer fluid between tanks or charge a triplex mud pump. Each application requires a different operating point.

2. Confirm normal and maximum flow. Provide the required capacity in m³/h or GPM. For hydrocyclone service, include the number of cones expected to operate at the same time.

3. Determine Total Dynamic Head. Include piping friction, elevation, fittings, valves, manifolds and downstream equipment requirements. Hydrocyclone inlet pressure forms part of the total duty for desander and desilter feed.

4. Identify the drilling fluid. Confirm WBM, OBM, SBM, weighted mud or another compatible fluid. Provide density, viscosity, solids content and temperature whenever available.

5. Review the suction system. Tank level, suction pipe diameter, piping length and elevation influence NPSH and cavitation margin.

6. Confirm the power source. For electric drive, provide voltage and frequency. For diesel or hydraulic packages, provide the available drive or hydraulic supply conditions.

7. Define the installation. Choose a bare pump, pump-and-motor assembly, base-mounted package or skid-mounted unit. Retrofit projects should also include installation dimensions.

8. Confirm project documents and spares. Identify the required pump curve, GA drawing, motor datasheet, inspection records and spare-parts scope before finalizing the purchase order.

Replacement Oilfield Centrifugal Pump and MRO Support

Existing drilling rigs frequently require a Replacement Oilfield Centrifugal Pump, Replacement Centrifugal Sand Pump or Replacement Solids Control Pump.

Matching the suction and discharge sizes alone is not enough. A practical replacement also needs to meet the original hydraulic duty and fit the existing base, coupling, motor and piping arrangement.

Replacement Information	Why It Matters
Existing Manufacturer / Model	Identifies hydraulic family
Pump Designation	Supports size matching
Pump Nameplate	Provides original operating data
Suction Size	Confirms piping interface
Discharge Size	Confirms piping interface
Impeller Diameter	Supports hydraulic comparison
Motor Power	Confirms drive capacity
Pump RPM	Supports curve matching
Voltage / Frequency	Confirms electrical compatibility
Existing Performance Curve	Defines hydraulic duty
Base Dimensions	Supports retrofit
Shaft Center Height	Helps maintain alignment
Overall Pump Photos	Shows installation arrangement
Flange Photos	Confirms connection details

If the original nameplate is unavailable, clear photographs of the pump casing, bearing housing, suction flange, discharge flange, coupling, motor and base provide a useful starting point.

Common wear and maintenance parts include the impeller, pump casing, shaft sleeve, mechanical seal, packing, bearings, gaskets, O-rings and coupling components.

Critical spares can be supplied with the original pump or ordered later according to the selected configuration.

Drilling Mud Centrifugal Pump vs. Triplex Mud Pump

The term “mud pump” can describe two very different pieces of drilling equipment.

Parameter	Centrifugal Mud Pump	Triplex Mud Pump
Pump Principle	Centrifugal	Reciprocating
Main Duty	Feed, transfer, mixing and charging	High-pressure well circulation
Typical Pressure Level	Low to medium	High
Desander / Desilter Feed	Yes	No
Mud Cleaner Feed	Yes	No
Jet Mud Mixer Service	Yes	No
Mud Tank Transfer	Yes	No
Triplex Pump Charging	Yes	Not applicable
Standpipe Circulation	No	Yes
Drill String Circulation	No	Yes

Choose a centrifugal pump for surface drilling fluid handling, solids control feed, mud mixing, transfer and charging.

Choose a triplex mud pump when the system requires high-pressure circulation through the standpipe, drill string and drill bit.

Integration with SGPE Solids Control Equipment

A centrifugal mud pump normally works as part of a wider drilling fluid treatment system.

Related SGPE Equipment	Role in the Mud System
Drilling Shale Shaker	Primary drilled-solids removal
Vacuum Degasser	Removes entrained gas
Drilling Mud Desander	Removes sand-size solids
Drilling Mud Desilter	Removes finer solids
Drilling Mud Cleaner	Hydrocyclone separation and screening
Drilling Mud Decanter Centrifuge	Fine-solids treatment
Jet Mud Mixer	Prepares and conditions drilling fluid
Drilling Mud Agitator	Maintains tank mixing
Mud Tank	Stores and conditions drilling fluid
Triplex Drilling Mud Pump	Provides high-pressure well circulation

For a new solids control system, pump capacity should match the demand of the downstream equipment rather than being selected as an isolated component.

Customers can source an individual pump or combine it with related SGPE mud handling and solids control equipment for a broader project package.

SGPE Manufacturing, Inspection and Project Documentation

SGPE is a petroleum equipment manufacturer based in Yancheng, Jiangsu Province, China.

Our manufacturing facility covers approximately 20,000 m², including about 10,000 m² of building area. More than 300 employees, including over 55 technical personnel, support manufacturing, engineering and international project execution. The factory operates more than 150 sets of machining, production and inspection equipment to support consistent manufacturing and quality control.

SGPE petroleum equipment is supplied to customers in more than 90 countries and regions worldwide.

For centrifugal pump packages, inspection covers the main hydraulic and rotating components, drive arrangement, installation interfaces and completed package configuration against the approved project requirements.

Pump-and-motor assemblies and skid-mounted packages also require correct alignment because poor alignment can shorten bearing, seal and coupling service life.

Document / Record	Supply Basis
Technical Datasheet	Project-specific
General Arrangement Drawing	Project-specific
Pump Performance Curve	Selected hydraulic configuration
Motor Datasheet	Electric pump package
Inspection Records	Order scope
Material Documentation	Project requirement
ITP / QAP	Project requirement
Test Records	Approved scope
Operating Manual	Equipment package
Maintenance Manual	Equipment package
Spare Parts List	Equipment package
Packing List	Shipment
Third-Party Inspection	Contract requirement

For EPC, offshore and drilling contractor projects, include documentation and inspection requirements with the RFQ so they can be incorporated into the supply scope from the beginning.

Why Choose SGPE as Your Oilfield Centrifugal Pump Supplier?

A drilling mud centrifugal pump needs to match the equipment around it, not just the piping connections.

A solids control integrator may require separate pumps for a desander, desilter, mud cleaner and mud mixing system. A drilling contractor may need a replacement 6×5 or 8×6 centrifugal sand pump that fits an existing base. An EPC contractor may require a complete pump-and-motor skid with performance data, drawings and project documentation.

We handle these requirements through application-based pump selection.

SGPE supplies centrifugal mud pumps, solids control feed pumps, hydrocyclone feed pumps, mud mixing pumps, drilling fluid transfer pumps, mud tank circulation pumps, trip tank pumps, mud pump charging pumps, replacement centrifugal pumps, skid-mounted packages and spare parts.

Customers can specify required flow, head, motor power, voltage, frequency, drive type, installation arrangement, coating and documentation.

For buyers comparing a Drilling Mud Centrifugal Pump Manufacturer, Oilfield Centrifugal Pump Supplier, Centrifugal Sand Pump Supplier or Solids Control Pump Manufacturer, the correct hydraulic and installation match usually matters more than nominal pump size or headline price alone.

Drilling Mud Centrifugal Pump Price and Quote

The Drilling Mud Centrifugal Pump price depends on the hydraulic duty and final supply scope.

A bare pump, pump-and-motor assembly and complete skid-mounted package use different pricing because they include different levels of equipment and integration.

The main quotation factors include pump size, required flow, Total Dynamic Head, impeller configuration, motor power, voltage, frequency, drive type, drilling fluid properties, sealing arrangement, skid accessories, spare parts and inspection requirements.

Replacement projects also need enough information to confirm compatibility with the existing piping, base and drive arrangement.

SGPE can quote new oilfield centrifugal pumps, desander feed pumps, desilter feed pumps, mud cleaner feed pumps, hydrocyclone feed pumps, Jet Mud Mixer pumps, mud transfer pumps, charging pumps, replacement centrifugal sand pumps, skid-mounted packages and spare-parts orders.

Providing the hydraulic duty with the initial inquiry allows us to prepare a faster and more accurate technical and commercial quotation.

Packaging and International Delivery

Export packing follows the pump size and package configuration.

Bare pumps and spare parts can use reinforced export packing. Complete pump-and-motor assemblies and skid packages can use wooden cases, export bases or other suitable project-specific protection.

Where required, packing can include lifting marks, shipping marks, component identification and moisture protection.

International orders can ship by sea, air or another agreed transport method according to equipment dimensions, destination and project schedule.

Information Required for a Drilling Mud Centrifugal Pump Quote

For faster technical review and a more accurate quotation, provide as much of the following information as possible.

Required Information	Recommended Customer Input
Product	Drilling Mud Centrifugal Pump
Application	Desander / Desilter / Mud Cleaner / Mixer / Transfer / Charging
Required Flow	m³/h or GPM
Total Dynamic Head	m or ft
Required Discharge Pressure	If known
Suction Pressure	If known
Tank Fluid Level	If available
Drilling Fluid	WBM / OBM / SBM / Weighted Mud
Normal Mud Weight	ppg / SG / kg/m³
Maximum Mud Weight	ppg / SG / kg/m³
Mud Viscosity	If available
Solids Content	If available
Fluid Temperature	Minimum / Normal / Maximum
Suction Size	Existing or required
Discharge Size	Existing or required
Suction Pipe Length	If available
Discharge Pipe Length	If available
Elevation Difference	If available
Motor Power	If specified
Voltage	Required
Frequency	50 Hz / 60 Hz
Motor Standard	IEC / NEMA
Hazardous Area Requirement	If applicable
Drive Type	Electric / Diesel / Hydraulic
Rig Type	Land / Offshore / Jack-Up / Semi-Submersible / Drillship / Workover
Package Type	Bare / Pump-and-Motor / Base-Mounted / Skid-Mounted
Existing Pump Model	Replacement projects
Existing Performance Curve	Strongly recommended for replacement
Mounting Dimensions	Recommended for retrofit
Existing Pump Photos	Strongly recommended
Spare Parts	Required scope
Quantity	Required units
Delivery Destination	Country / Port / Rig Base
Required Delivery Date	Project schedule

If a complete hydraulic specification is unavailable, send the application together with the existing pump model, nameplate and clear photographs. These details provide a practical starting point for technical review.

Frequently Asked Questions About Drilling Mud Centrifugal Pumps

1. What is a Drilling Mud Centrifugal Pump?

A Drilling Mud Centrifugal Pump is a high-flow surface pump used to move drilling fluid throughout oil and gas drilling mud systems. Typical duties include feeding desanders, desilters and mud cleaners, circulating fluid through a Jet Mud Mixer, transferring mud between tanks and supplying the suction side of a triplex drilling mud pump.

Depending on the application, buyers may also refer to this equipment as an Oilfield Centrifugal Pump, Centrifugal Sand Pump, Solids Control Pump, Mud Transfer Pump or Mud Pump Charging Pump. These pumps are widely used on land rigs, offshore platforms, jack-up rigs, semi-submersibles, drillships and workover units.

2. What does 6 × 5 × 14 mean on an oilfield centrifugal pump?

A designation such as 6 × 5 × 14 centrifugal pump generally identifies the suction size, discharge size and nominal hydraulic or impeller family. However, these numbers do not define the complete pump performance.

Two pumps with similar 6 × 5 × 14 designations can produce different flow and head because impeller diameter, RPM and internal hydraulic design also affect the operating curve. For a new installation or replacement 6×5×14 centrifugal sand pump, the required flow, Total Dynamic Head, drilling fluid properties and existing pump curve should be reviewed before final selection.

3. What is the difference between a centrifugal mud pump and a triplex mud pump?

A centrifugal mud pump and a triplex mud pump perform different functions within the drilling fluid system. A Drilling Mud Centrifugal Pump provides continuous high-volume flow at relatively low or medium pressure for solids control feed, mud mixing, tank circulation, fluid transfer and triplex pump charging.

A triplex drilling mud pump produces the much higher pressure required to circulate drilling fluid through the standpipe, rotary hose, drill string and drill bit. On a typical land or offshore drilling rig, centrifugal pumps handle surface mud movement while the triplex pump handles high-pressure well circulation.

4. Can a centrifugal pump feed a desander, desilter or mud cleaner?

Yes. Feeding desanders, desilters and mud cleaners is one of the main applications of an Oilfield Centrifugal Pump. A Desander Feed Pump must provide enough flow and inlet pressure for the larger hydrocyclones, while a Desilter Feed Pump must support the combined flow demand of multiple smaller cones.

A Mud Cleaner Feed Pump also needs stable pressure at the hydrocyclone manifold so the complete separation system can operate correctly. Pump selection should consider active cone quantity, required feed pressure, drilling fluid density, piping losses and elevation rather than relying only on pump flange size.

5. How do I size a Hydrocyclone Feed Pump for a solids control system?

Start by determining the combined flow required by all hydrocyclones that will operate at the same time. The Hydrocyclone Feed Pump must then provide the required inlet pressure at the cone manifold while overcoming pipe friction, valves, fittings and elevation losses.

This total hydraulic requirement determines the required operating point. Mud density, viscosity, solids content and suction conditions also affect actual pump performance and motor power. For high-ROP drilling, large surface-hole sections or high-capacity solids control systems, both normal and maximum operating conditions should be considered before selecting the centrifugal pump.

6. Can a centrifugal pump be used with a Jet Mud Mixer or mud hopper?

Yes. A centrifugal pump is a key part of a Jet Mud Mixer or Mud Hopper system because it creates the high-velocity fluid stream required for venturi mixing. The pump circulates drilling fluid through the jet nozzle, allowing barite, bentonite, polymers and other drilling fluid additives to enter the mud stream through the hopper.

A Jet Mud Mixer Pump or Mud Mixing Pump must provide enough flow and discharge head for the selected nozzle and hopper configuration. Mud density, viscosity, additive loading rate, tank volume and piping arrangement should also be considered when selecting the pump.

7. Can a Drilling Mud Centrifugal Pump handle WBM, OBM, SBM and weighted mud?

Yes. SGPE centrifugal mud pumps can be configured for Water-Based Mud (WBM), Oil-Based Mud (OBM), Synthetic-Based Mud (SBM), weighted drilling mud and barite-loaded fluids. These fluids place different demands on the pump. High mud density increases shaft and motor power requirements, while abrasive solids increase wear on the casing, impeller and sealing components.

OBM and SBM also require suitable seal and elastomer compatibility. For accurate pump selection, provide the normal and maximum mud weight, viscosity, solids loading and operating temperature whenever these values are available.

8. Why are flow, Total Dynamic Head, BEP and NPSH important when selecting a centrifugal mud pump?

These parameters determine whether the pump can operate efficiently and reliably in the actual drilling fluid system. Flow defines how much mud the pump must move, while Total Dynamic Head represents the resistance created by piping, elevation, valves, manifolds and downstream equipment.

The Best Efficiency Point (BEP) helps identify a suitable hydraulic operating region. NPSH relates to suction performance and cavitation risk. A pump with enough motor power can still perform poorly if the suction pipe is undersized, the tank level is too low or the selected operating point falls outside a practical range.

9. Can a centrifugal pump charge or supercharge a triplex drilling mud pump?

Yes. A Mud Pump Charging Pump or Supercharging Pump is commonly installed upstream of a triplex drilling mud pump to provide a steady positive fluid supply at the suction inlet. The centrifugal charging pump draws drilling fluid from the suction tank and feeds the main mud pump at the required flow.

This arrangement is useful where gravity feed alone does not provide the preferred suction conditions. The centrifugal pump does not replace the triplex pump; it supports the triplex unit while the triplex pump generates the high pressure required for circulation through the drilling system.

10. Can SGPE supply a replacement centrifugal sand pump for an existing drilling rig?

Yes. SGPE supports Replacement Oilfield Centrifugal Pumps, Replacement Centrifugal Sand Pumps and Replacement Solids Control Pumps for rig refurbishment and MRO projects. For accurate matching, send the existing pump manufacturer and model, nameplate, suction and discharge sizes, impeller diameter, pump RPM, motor power, voltage, frequency and performance curve.

Mounting dimensions, shaft center height and clear photographs of the pump, motor, base and flanges also help confirm mechanical compatibility. We review both the hydraulic duty and installation interfaces before preparing the replacement pump proposal.

11. Can SGPE supply 50 Hz, 60 Hz and skid-mounted drilling mud centrifugal pump packages?

Yes. SGPE supplies 50 Hz and 60 Hz centrifugal pump packages with IEC or NEMA electric motor configurations for international drilling projects. Diesel and hydraulic drive options are also available for suitable rig and workover applications. Customers can order a bare pump, pump-and-motor assembly, base-mounted unit or complete Skid-Mounted Drilling Mud Centrifugal Pump.

Skid packages can also incorporate project-specific piping interfaces, valves, manifolds, instrumentation or local controls. For offshore platforms, jack-up rigs and other space-limited installations, the package can be configured around the available footprint and maintenance access.

12. How can I get a Drilling Mud Centrifugal Pump price and quotation?

For an accurate Drilling Mud Centrifugal Pump price, send the intended application, required flow, Total Dynamic Head, drilling fluid type, normal and maximum mud weight, operating temperature, suction and discharge sizes, voltage, frequency, drive type, package configuration, quantity and delivery destination.

For a replacement Oilfield Centrifugal Pump or Centrifugal Sand Pump, also provide the existing model, nameplate, performance curve, motor data and mounting dimensions. Based on the actual operating conditions and project requirements, SGPE will select the appropriate pump configuration and provide a corresponding technical and commercial quotation.

Request a Drilling Mud Centrifugal Pump Quote from SGPE

SGPE supplies Drilling Mud Centrifugal Pumps for solids control, mud mixing, drilling fluid transfer, mud tank circulation and triplex mud pump charging on land and offshore drilling rigs.

For new projects, please provide the required application, flow, Total Dynamic Head, drilling fluid properties, voltage, frequency, package configuration and quantity.

For replacement pumps, send the existing model, nameplate, performance curve, suction and discharge sizes, motor data, mounting dimensions and clear equipment photos. These details help us confirm both hydraulic performance and installation compatibility.

Available supply options include bare pumps, pump-and-motor assemblies, skid-mounted packages, replacement centrifugal sand pumps and spare parts.

Based on your operating conditions and project requirements, SGPE will select the suitable pump configuration and provide a corresponding technical and commercial quotation.

Email:  info@sgpe.com
Tel/Whatsapp:  +86 186-1599-5239