High-Performance High Pressure Mixer for Drilling Fluid Systems
The PP-800LS High Shear In-Line Mixer is a precision-engineered high pressure mixer developed for demanding oilfield fluid processing applications. Designed for continuous-duty operation, this advanced shearing device delivers controlled, high-intensity shear energy to ensure rapid dispersion, uniform particle size reduction, and efficient chemical activation in drilling fluid systems.
Built for reliability and performance, this high-performance drilling mud mixer is capable of handling water-based mud (WBM), oil-based mud (OBM), and synthetic oil-based mud systems. Its optimized rotor-stator configuration makes it an ideal SOBM shearing unit and polymer shearing unit in high-performance mud plants and rig installations worldwide.


Product Overview
The PP-800LS High Shear In-Line Mixer is engineered for high-pressure environments where consistent mixing quality and chemical efficiency are critical. As a dedicated oilfield inline mixer, it integrates seamlessly into bulk mud plants, offshore platforms, and drilling rigs.
With VFD driven shearing technology and a 250–350 GPM mixer capacity, this pressure mixer ensures optimal energy transfer while maintaining stable flow characteristics. The system provides:
Rapid emulsifier activation
Superior polymer hydration
Efficient chemical dispersion
Reduced mixing time
Lower chemical wastage
Key Applications
Shearing unit for mud systems
High pressure mixer for oilfield operations
Dedicated SOBM shearing unit
Polymer shearing unit for viscosifier hydration
Oilfield inline mixer for chemical blending
250–350 GPM mixer in bulk mud plants
Continuous drilling mud mixer in rig environments
Its versatility makes it a preferred mud mixer for global oil and gas operations.
Construction & Engineering Excellence
Product Contact Parts
SS 316L stainless steel construction
Corrosion-resistant for harsh chemical exposure
Suitable for abrasive drilling fluids
Mixer Configuration
Horizontal direct in-line entry design
4” ASA flanged inlet and outlet
Easy integration into existing fluid systems
Rotor / Stator Assembly
8-bladed Sverker rotor
3 mm fine slotted Sverker head
Engineered for maximum shear intensity
The precision rotor-stator design enhances performance by delivering uniform dispersion and optimized emulsification. This configuration ensures efficient functioning as both a SOBM shearing unit and polymer shearing unit.
Shaft Sealing System
Single Tungsten Carbide Mechanical Shaft Seal
Designed for abrasive drilling mud environments
Extended seal life under high-pressure conditions
This heavy-duty sealing system ensures leak-free operation and durability in continuous this mud mixer applications.
Structural Design
The mechanical integrity of this high shear in-line mixer ensures long operational life and simplified maintenance.
Transparent neck cover for inspection
Threaded elbow at base
Dowelled front plate for precision alignment
Industrial-grade coated base frame
This robust structure allows the pressure mixer to operate reliably in offshore and onshore installations.
Drive & Motor Specifications
120 HP (90 kW) motor
300 RPM base speed
Operates up to ~4500 RPM via frequency inverter
TEFC / IP55 enclosure
400 V / 3 Phase / 50 Hz supply
VFD driven shearing (optional)
The integration of VFD driven shearing allows operators to precisely adjust shear intensity, optimize energy consumption, and adapt mixing parameters based on fluid characteristics. This flexibility makes the system a highly efficient inline mixer.
Performance Parameters
Capacity: 250–350 GPM (fluid dependent)
Operating Pressure: Up to 100 psi
Typical Differential Pressure: ~40 psi
High-intensity shear for rapid polymer hydration
As a 250–350 GPM mixer, the system ensures consistent rheological properties and superior fluid stability across various drilling programs.
Standard Supply
Complete mixer assembly
Rotor removal tool
Stator removal tool
Base-mounted channel frame
Pre-installed mechanical shaft seal
This comprehensive supply reduces installation time and simplifies maintenance procedures in drilling operations.
Key Advantages
✔ High-efficiency high pressure mixer for drilling fluids
✔ Rapid polymer wetting and hydration
✔ Reliable SOBM shearing unit performance
✔ Consistent oilfield inline mixer operation
✔ Reduced mixing time and chemical usage
✔ Continuous-duty drilling mud mixer capability
✔ Durable construction for abrasive conditions
✔ Easy maintenance with included service tools
Industries & Use Cases
This advanced drilling mud mixer is suitable for:
Oil & gas drilling rigs
Offshore production platforms
Bulk mud mixing plants
WBM and SOBM preparation systems
Chemical injection modules
Polymer hydration systems
Its role as a pressure mixer ensures optimized mud rheology and improved wellbore stability during drilling operations.
Why Choose Petropath?
This product stands out as a high-performance shearing device built specifically for demanding drilling environments. With precision engineering, rugged construction, and optimized rotor-stator technology, this high pressure mixer delivers unmatched consistency and reliability.
Manufactured by Petropath Fluids Ltd., the PP-800LS High Shear In-Line Mixer is backed by extensive oilfield expertise and technical support.
Additional Support Includes:
Application engineering guidance
Custom skid integration
Spare parts availability
Field service support
Complete drilling fluid solutions
Looking for a reliable this pressure mixer for your drilling fluid system?
Contact our engineering team for:
Application guidance
Custom skid integration
Spare parts support
Field service assistance
Complete drilling fluid solutions
The PP-800LS High Shear In-Line Mixer is engineered to deliver precision, power, and performance where it matters most.
