APS’s SureShot™ MWD Vibration Memory Module (VMM™) is a software-enabled extension to our SureShot MWD tool that measures, analyzes, records and enables real-time transmission of axial (bit bounce), lateral and torsional (stick-slip, chatter and whirl) vibrations and shocks. VMM allows users to assess the severity of downhole drilling to improve drilling efficiency and alert them to vibration conditions that could damage MWD and other downhole tools.
The real-time and memory data can be correlated to drilling events and equipment performance to improve drilling efficiency or prevent failures. The real-time and memory data can also provide evidence for use in warranty claim resolution. Real-time, memory and surface sensor data can be viewed with the SureShot VMM Viewer, plotted with APSPlot™ and exported in industry-standard formats (WITS and LAS).
VMM’s real time and stored data can be correlated to drilling events and equipment performance to improve drilling efficiency or prevent failures.
| Measurement | |
|---|---|
| Measurement Devices | Three ±120 g accelerometers, in APS MWD Controller Chassis 3-axis fluxgate magnetometer, in D&I Module |
| Data Sampling Rate | Accelerometers – 100 samples/s max. Magnetometers – 100 samples/s max. |
| Real Time Telemetry | Configurable at rig site |
| Vibration Memory Size | Up to 32 MB |
| Memory Recording | Average and peak data stored on configurable intervals; event-driven bursts of configurable lengths recorded when configurable thresholds are crossed |
| Data Recorded: | Max. Lateral Vibration: 0 to 169.7 g RMS Lateral Vibration: 0 to 169.7 g Max. Axial Vibration: 0 to 120 g RMS Axial Vibration: 0 to 120 g Torsional Vibration: ±314 rad/s (±18,000 deg/s) |
| Memory Dump | Connect to sonde at surface to program and dump memory |
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