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Terre-RP Mud Pulse MWD Tool
Brand: MWDPlanet and Lumen CorporationIf seismic imaging results predict the need for an MWD tool able to withstand extreme hydraulic conditions, our powerful Terre-RP rotary pulser can handle the very worst and chew through the thickest mud.
To meet industry challenges, we have perfected the design of the conventional mud-pulse technology, allowing you to drill longer, achieve less NPT, and get more accurate results. Ultimately, your drilling experience will drastically improve by easily integrating Terre-RP MWD tool into your existing workflows.
Features- High Lost Circulation Material (LCM) Tolerances
- Wireline Retrievability
- Improved Battery Consumption
- Extended Use at High Temperatures
- Improved Sensor Pack Accuracy
- Extended Mean Time Between Failures (MTBF)
Specifications
Collar Size
- 4.75 in - 8.25 in (120 mm - 203 mm)
Operating Flow Rate
- 0.50 - 4.5 m³/min
- 50 gpm in 3 1/2 collar - 1200 gpm in 8 3/4 collar
Wireline Retrievability
- Retrievable
Minimum I.D. for Retrievability
- 2.4 in (61 mm)
Flow Switch
- Vibration
Nominal Length
- 5 m - 8 m
Non-Magnetic Housing O.D.
- 1.875 in (47.625 mm)
Power Supply
- Lithium 28 Vdc / 5 Amp
Shock Limit
- 1000 g, 0.5 msec, 1/2 sine all axes
Vibration Limit
- 5-30 Hz at 1 in double amplitude, 30-500 Hz, 20 g all axes
Operating Temperature (Max)
- 175° C (347° F)
Hydrostatic Pressure (Max)
- 137,895 kPa
- 20, 000 psi
Velocity Rate (Max)
- 10 m/sec
- 32 ft/sec
Bend Radius (Max)
- 20 Deg/10 m
LCM Tolerances (Maximum Recommended)
- 80 lbs/bbl. Successfully tested up to 92 lbs/bbl
- Medium not plug, premixed
Operating Pulse Width
- 0.5 - 2.0 sec (0.8 sec nominal)
Data Update Rate
- 6 - 30 secs
Survey Transmission Time
- 48 - 102 secs (configuration dependent)
GRV Tool-Face
- ± 0.1° Accuracy
Mag Tool-Face
- ± 0.1° Accuracy
Azimuth
- ± 0.2° Accuracy @ 45° < Inc< 135° and -60°< Dip+60°
Inclination
- ± 0.1° Accuracy
Survey Procedure
- Rotary OFF - > pumps OFF for 60 secs - > pumps ON - > Survey sequence complete - > steering sequence
Steering Sequence on the Start
- Rotary OFF - > pumps OFF for less than 20 secs - > pumps ON, Optional: Rotary ON - > steering sequence/dynamic sequence
BHA (Bottom Landing Configuration)
- Motor - > NMDC (Non-Magnetic Drilling Collar) - > UBHO - > NMDC - > NMDC (optional)
MWD String Configuration 1
- Sensor Pack - Battery 2 - Battery 1 - Top Drive Rotary Mud Pulse
MWD String Configuration 2
- Battery 1 - Sensor Pack - Battery 2 - Top Drive Rotary Mud Pulse
One Battery Operating Hours
- Up to 400 hours in survey mode, and 200 hours in directional drilling mode
Driller Display / Depth Tracking Box
- Wireless, Industrial rate