MWD

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Retrievable Positive Pulse

Our cost effective, robust, MWD System delivers reliable directional measurements, and steering capabilities. The component structure of the system enables flexible sensor position, optimizing sensor performance. Our ruggedized features are proven to withstand harsh drilling conditions. Formation evaluation includes Gamma Ray and Focused Gamma.
See Tech. Data Sheet

Gamma Ray

Specifications

Diameter (OD) 4.76cm (1.875")
Length 86.45cm (34.05")
Weight 6.80 kg (15 lb)
Operating Temperature -60°C to +175°C (-77°F to +350°F)
End Connectors 10-Pin GE
Material Be Cu
Pressure 124 X 103 Kpa (18,000 psi)
Sensitivity 1.4 Counts per API
Resolution 6.8"
Accuracy +/- 5% to 150°C(300°F), +/- 10% to 175°C(350°F)
Survival Temperature 200°C (400°F)
Max Heat/Cool rate 2.8°C/Minute (5°F/Minute)
Vibration (3 axis) 30 G. RMS
Shock (Z-axis) 500 G., 0.5mS
Shock (X or Y-axis) 1000 G., 0.5mS
Input Voltage 17 ~ 48 Volts
Input Current 11-8 mA. (9 mA at 28 volts)
Maximum Voltage 50 Volts

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Retrievable Mud Pulse

Sensor Specifications

Sensors ± 0.5 degree Azimuth accuracy, absolute, @ 90° Inc 
Azimuth spread axial rotation, 10° through 90° < 0.35 degrees
Inclination accuracy, absolute* ± 0.08 degrees
Inclination spread on axial rotation @ 90° Inc < 0.08 degrees
Toolface : +/- 0.5° (0° ~ 360°)
Gravity Intensity : +/- 1.0 mg (0 to +/- 1000 mg)
Magnetic Intensity : +/- 0.1 mGauss (0 to +/- 700 mGauss)
Dip Angle : +/- 0.15° (-90° to 90°)
Temperature -20° to 150°C or -20° to 175°C
-4° to 300°F or -4° to 350°F
Pressure Drop 700 Kpa@1.5m3/min
100psi @ 400 gpm
Flow Range 300 ~ 4500 lpm (Dependant on BHA configuration)
75 ~ 1200 gpm (Dependant on BHA configuration)
Maximum LCM 40 ~ 50 ppb concentration, any size, pre-mixed
Shock  1000g, 0.5 msec, 1/2 sine all axes
Vibration 5 ~ 30 Hz, 1 in. (Double Amplitude)
30 ~ 500 Hz, 20 g, all axes
Data Transmission Positive - Pulse
Electrical Power Lithium Battery
Operating Time 175 to 200 hrs / Battery pack

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Rotary Pulser

Fixed mount Rotary Pulser is the toughest, most advanced mud pulse transmitter in the industry. Our pulser chews through LCM content that would choke any other pulser over a wide range of mud weights, conditions, and materials. The top mounted assembly allows for Gamma closer to the bit and can be configured for any application desired.
See Tech. Data Sheet

Rotary Pulser

Specifications

Signal Transmission Positive Mud Pulse
Pulse Height Adjustable
Fixed Mount Available
Activation Electromechanical
Operating Voltage 28-40 VDC
Pulser Sub O.D. 9.5, 8, 6.25 to 
6.75, 4.75, 3.5 & 3.125 in.
241, 203, 159 to  171,121, 89 & 79 mm
Flow Ranges (8.4 ppg mud) 9.5 in. or larger – 650 to 1200 gpm 241 mm or larger – 41 to 76 L/sec
8 in. – 300 to 1100 gpm 203 mm – 19 to 69 L/sec
6.25 to 6.75 in. – 150 to 750 gpm 159 to 171 mm – 9 to 47 L/sec
4.75 in. – 150 to 350 gpm 121 mm – 9 to 22 L/sec
3.125 & 3.5 in. – 70 to 250 gpm 79 & 89 mm – 4 to 16 L/sec
Sand Content Sand Content < 1% by volume recommended, 3% by volume maximum
LCM Tolerance 50 lb. per bbl medium nut plug 143 kg/m3 medium nut plug
Operating Temperature -13˚ to 302˚F; 347˚F option -25˚ to 150˚C; 175˚C option
Maximum Pressure 20,000 psi; 25,000 psi option 137.9 MPa; 172.4 MPa option
Differential Pressure No Requirement
Dogleg Capability API Connection limited

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EM MWD

Our high performance EM MWD system is designed for use in the most challenging drilling environments such as underbalanced drilling, high speed drilling, low pressure formations with high lost circulation material (LCM) situations in difficult drilling applications for oil, gas, and geothermal. Our system also features fully programmable electromagnetic downlinking capabilities and a wide range of available peripheral devices such as the Near Bit Sub.
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Shock and Vibration

Our Shock and Vibration monitors are used in all three systems to track and reduce the risk of environmental failures. The data can also be used for drilling performance optimization adjusting parameters to avoid stick and slip.

Shock Reduction Tool

Shock Reduction Tool

Features

  • An average of 75% reduction in axial and lateral shock and vibration.
  • Sealed and lubricated anti-rotational and compression chambers that are isolated from sand/solids.
  • Infusion hardened instead of plate/coat hardening to provide extended life cycles, and smooth dampening action.
  • Built in torsional dampening.
  • Dampens on both compression and extension.
  • Proven to protect expensive MWD equipment from the most extreme and destructive energies incurred while drilling.
  • Protects the entire MWD string. (Pulser, Gamma, Directional Module and Batteries)
  • Complete service in less than two hours

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TECHNOLOGY

MWD

Motor

Near Bit