This system can be utilized to reduce lost in hole risk. In the event the BHA becomes stuck during the drilling process, the retrievable MWD system can be wireline retrieved, saving the customer the cost of replacing the MWD system.

Surface Equipment

• Rig Floor Display
• Safe Area Interface
• Standpipe Pressure Transducer
• Depth Tracking System (optional)
• Connection Cables
• Downhole Assembly
• Wireline retrievable & reinsertable
• Operational at downhole temperatures to +150°C & +175°C

MWD Probe

• Directional Sensors/Electronics
• Battery Pack
• Pulser/Driver
• Optional Gamma Detector
• Bowspring or Finned Centralizers
• Diameter: 1.88"
• Length:
  
  • – 25 ft. standard directional only
  • – 32 ft. with gamma or second battery pack
  • – 39 ft. with gamma and second battery pack

Flow Ranges:
75-165 gpm, 3.5" O.D. collar
100-300 gpm, 4.75" O.D. collar
150-600 gpm, 6.5" O.D. collar
400-1100 gpm, 8.25" O.D. collar

Pressure Drop:
100 psi @ 400 gpm

Data Transmission: Positive-pulse

Electrical Power / Operating Time
Lithium battery operates to +150˚C or +175˚C. Will operate for 175 to 200 hours per battery pack

Operational Modes:
Operator-selectable sequences & downlinking options. Highly flexible operating software. Selectable resolution—all parameters

Maximum Lateral: 2.6 ft./1,000 ft. or a conical

Displacement Error Uncertainty: ±0.15˚ maximum

Inclination Accuracy: ±0.1˚

Toolface Accuracy: ±0.5˚

Dip Angle Accuracy: ±0.1˚