Fully Computerized Digital Logging Unit (DLU)
MI Logging Systems’ Fully Computerized Digital Logging Unit is a complete and customizable mudlogging and formation-evaluation solution designed for the continuous, real-time acquisition, monitoring, recording, analysis, and alarming of critical drilling, mud-system, geological, and gas data.
The DLU can be equipped and configured according to each client’s operational requirements and rig specifications.
Drilling and Surface Parameters
- Kelly position and drilling depth
- Rate of Penetration (ROP) and drilling-break detection
- Hook load and weight on bit
- Standpipe pressure
- Casing pressure
- Pump strokes and mud flow in
- Mud flow out
- Mud-tank volumes
- Pit Volume Totalizer (PVT)
- Rotary torque
- Rotary RPM
- Flammable gas levels
- Toxic gas levels
Gas Analysis and Formation Evaluation
- Total hydrocarbon gas detection
- Gas chromatography and C1–C5 hydrocarbon composition analysis
- Gas extraction and sample-conditioning system
- Lag-time and lag-depth calculation
- Drill-cuttings collection, preparation, and microscopic examination
- Lithology identification, description, and percentage determination
- Hydrocarbon-show detection and evaluation
- Correlation of drilling, gas, and geological data by depth
Digital System Capabilities
- Fully digital sensors and data-acquisition channels
- Real-time data visualization, analysis, and recording
- Configurable automatic alarms based on operating thresholds
- Multiple visual and audible alarm outputs
- Real-time mud-log generation
- Daily and operational reporting
- Reliable digital data history and traceability
- Remote data transmission and monitoring
- WITS/WITSML data integration
- Customizable dashboards, sensors, channels, and alarm configurations
Unit Design and Safety
- Pressurized cabin with double-door access
- Controlled internal working environment
- Rapid installation during rig-up and rig-down
- Compatibility with most onshore and offshore drilling rigs
- Customizable internal layout and equipment configuration
Operational Benefits
- Provides continuous visibility of drilling, circulation, gas, and geological conditions
- Supports faster and better-informed operational decisions
- Enables early identification of drilling breaks, pit gains or losses, flow imbalances, pressure variations, and abnormal gas levels
- Supports hydrocarbon identification and real-time formation evaluation
- Improves personnel safety and well-control awareness
- Enhances data accuracy, depth correlation, traceability, and reporting
- Supports faster troubleshooting and helps reduce non-productive time
- Enables secure access to wellsite data for remote operational and technical teams
- Provides a flexible solution tailored to specific client and rig requirements

