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Terre-RP Mud Pulse MWD Tool
Terre-RP-Rotary-MWD-Tool.png

Terre-RP Mud Pulse MWD Tool

Brand: MWDPlanet and Lumen Corporation
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If 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

Brand

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 lb/bbl. Successfully tested up to 92 lb/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
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