Automated Drilling Fluid Rheology Unit (AMS)
Real-Time Automated Mud MeasurementThe SPYDR / MetaRock Mud Skid Unit (MSU) is a fully automated fluids measurement system that provides real-time measurements of 5 key mud properties at temperature as standard — rheology, friction factor, critical Reynolds number, pressurized density, and oil/water ratio.
5Key Mud Properties (RT)
250°FTemperature Control
Class I, Div IIUL Classification
Group II 3GATEX Classification
Rheology (600/300/200/100/6/3 rpm)
PV & YP (Bingham Plastic)
n, K & τ0 (YPL Model)
Gel Strengths
Real-Time Friction Factor
Critical Reynolds Number
Pressurized Mud Density
Oil/Water Ratio (OBM & SBM)
Standard Features
- Viscosity / rheology parameters
- Real-time friction factor
- Critical Reynolds number
- Mud density (pressurized)
- Oil/water ratio
- Temperature control up to 250°F
- Integration with EDR system (OPC, WITSML, MODBUS, etc.)
- Automated self-cleaning
- Remote support and calibration
- Remote operational and health monitoring
- User-friendly operation and minimal maintenance
Optional Features
- API/HPHT filtrate loss
- Solids content (LGS & HGS)
- Chlorides, invert salinity
- Other sensors (pH, conductivity & emulsion stability)
- RT hydraulics / ECD modeling (SPYDR real-time hydraulics software)
| Real-Time Measurements (Standard) | |
| Viscosity / rheology | 600/300/200/100/6/3 rpm readings; PV & YP (Bingham Plastic); n, K and τ0 (YPL fluid); gels |
| Friction factor | Real-time friction factor (f) |
| Critical Reynolds number | Recritical (transition from laminar to turbulent flow) |
| Density | Pressurized |
| Oil/water ratio | Non-aqueous fluids (OBM & SBM) |
| Measurement temperature | Temperature control up to 250°F |
| Dimensions | |
| Length | 126″ |
| Width | 50″ |
| Height | 83″ |
| Weight | 4,000 lbs |
| Certification | |
| UL classification | Class I, Division II |
| ATEX classification | Group II 3G |
Integration & Remote Operation
- Integration with EDR system via OPC, WITSML, MODBUS, etc.
- Remote support and calibration
- Remote operational and health monitoring
- Real-time input to MPD control systems for more accurate hydraulics modeling
Optional Software
- SPYDR real-time hydraulics software for RT hydraulics / ECD modeling
Technical Benefits
- RT diagnosis of adverse mud properties and contamination events, such as excessive LGS loading, brine/oil kicks, and over-/under-treatment of the mud with chemicals
- RT drilling optimization by optimizing pressure drops across bits and motors, optimizing HSI at the bit, etc.
- RT mud weight / ECD / drilling margin management, allowing accurate hydraulic simulations of ECD within the drilling margin based on real-time fluid input parameters
- RT input in MPD control systems, allowing more accurate hydraulics modeling and associated MPD control
- RT avoidance of mud-related NPT and trouble costs associated with lost circulation, hole cleaning, pack-off and other fluids-related issues
Operational Savings & Value Creation
- Savings from avoiding unnecessary or excess chemical mud treatment and dilution
- Efficiency gain with ROP increase from improved hydraulics
- Efficiency gain from avoiding fluids-related non-productive time (NPT) and trouble costs
- Efficiency gain from new ways of working for the mud engineer
Hazardous Area Certification
- UL Classification: Class I, Division II
- ATEX Classification: Group II 3G
HSE Benefits
- Eliminates HSE concerns associated with manual mud measurements
- Eliminates high-pressure/high-temperature manual testing
- Removes the need to work in a slippery rig-floor environment for sampling
- Automated self-cleaning reduces operator handling
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