SENTIO™

Applications

The BOT 4 - 3/4 in. SENTIO™ tool provides advanced SMART Intervention data acquisition and diagnosis technology for all of BOT′s 4 - 3/4 in. downhole tool configurations for 5- 7/8 in. casing ID and above.

Advantages

• Immediate detection and resolution of:
  • Dynamics related problems
  • Weight transfer problems
  • Milling hydraulics problems
• Enhanced ROP and optimized intervention process
• Local dogleg-severity monitoring and control
• Improved casing exit window quality
• Improved downhole motor efficiency and extended motor life
• Longer mill life
• Increased MWD and intervention system reliability
• Comprehensive data set for post-job analysis and BHA optimization

Additional Information

The SENTIO tool features a total of 14 well intervention process sensors in a dedicated sub. All sensors are simultaneously sampled at a high data rate of 1,000 Hz. A highly efficient Digital Signal Processor (DSP) continuously monitors the data stream and diagnoses the occurrence and severity of vibration-related problems such as BHA whirl, stick-slip and mill bounce. The dynamic diagnostics are transmitted to the surface via mud-pulse telemetry along with static tool data such as downhole weight overpull, torque, bending moment, and annulus pressure. The tool offers the unique capability of storing high frequency data on board over periods of up to 15 minutes to be retrieved later at surface for detailed evaluation. The transmitted SENTIO diagnostics and data are displayed on a real-time rig floor display alongside surface data. This feedback about the downhole environment provides a new level of intervention process control. Immediate remedial actions can be taken by changing job parameters and, more importantly, the entire well intervention process can be safely optimized.