Why do you measure borehole caliper?

  • Borehole enlargement affects LWD tool logs
  • Borehole ovality indicates formation stress directions
  • Borehole enlargement affects cement volume calculations
  • Incomplete borehole reaming affects casing installation

What can you use?

Pulse-echo transducer and ultrasonic system ruggedize for LWD

What does it do?

Accurately measures instantaneous tool standoff and borehole size during any stage of borehole drilling for:

  • Real time logging corrections
  • Post logging well planning

What can we provide?

Face: Flat or focused
Temperature and pressure: 175°C, 30 Kpsi
Diameter:1.0" to 1.5"
Height:1.25"
Frequency:200 KHz to 400 KHz
Bandwidth:40%-100%
SNR:+20 dB to +60 dB

Why measure the casing thickness?

  • Assessing the cased well for corrosion, wear, and damage in the production casing and tubing permits better decisions for well servicing
  • The orientation and depth of any defects in the casing may affect decisions to determine well integrity

What can you use?

Pulse-echo transducer and ultrasonic system

What does it do?

Accurately logs casing thickness and condition via an integrated ultrasonic system. Ultrasonic solutions are implemented via a downhole tool either slickline or wireline.

What can we provide?

Diameter:0.5" to 1.0"
Height:0.5" to 1.0"
Frequency:100 KHz to 1 MHz
Bandwidth:40%-100%
SNR:+20 dB to +60 dB

Why verify the cement bond?

  • Incomplete cementing of casing to formation poses huge well integrity concern
  • Poor bonding of cement to casing or formation poses huge well integrity concern
  • Unbonding or aging of existing cement over well lifetime poses significant well integrity concern

What can you use?

Ultrasonic source and receiver tubes

What does it do?

Accurately logs cement bond condition via sonic logging tubes and tube assemblies. Enables sectored cement bond log via striped tubes and tube assemblies.

What can we provide?

Composition: Radial or striped
Temperature and pressure: 200°C, 30 Kpsi
Diameter:1.0" to 3.0"
Height:1.0" to 3.0"
Frequency:10 KHz to 40 KHz

Why do you measure weld integrity?

  • Visual inspection of welds is ineffective at assessing weld quality
  • Underwater or downhole welds cannot be assessed manually

What can you use?

Pulse-echo transducer and ultrasonic system

What does it do?

Accurately measures weld quality via high-frequency ultrasonic measurement. Ultrasonic solutions can be implemented in a hand-held, manual inspection device.

What can we provide?

Face: Shear or longitudinal, angled
Diameter:0.5" to 1.0"
Height:0.5" to 1.0"
Frequency:1 MHz to 10 MHz
Bandwidth:40%-100%
SNR:+20 dB to +60 dB

Why do you image boreholes?

  • Borehole rugosity can indicate poorly-consolidated formation
  • Borehole cracks and fissures can indicate formation weakness and can effect well completion planning
  • Sufficiently fractured formations may not require future fracking

What can you use?

Highly focused pulse-echo transducer and ultrasonic system

What does it do?

Accurately images the borehole surface via high-frequency, focused, “small-spot” ultrasonic measurement during open hole wireline and LWD logging.

What can we provide?

Face: Highly-focused
Temperature and Pressure: 175°C, 30 Kpsi
Diameter:1.0" to 2.5"
Height:1.0" to 1.5"
Frequency:250 KHz to 500 KHz
Bandwidth:70%-100%
SNR:+20 dB to +60 dB

Why do you measure mud velocity and production fluid flow rate?

  • Borehole caliper, standoff, and image measurements are affected by uncertainties in drilling mud ultrasound velocity
  • Logs corrected for borehole caliper, standoff and image are affected by uncertainties in drilling mud ultrasound velocity
  • Production flow rates used for well analysis can be difficult to measure via conventional methods

What can you use?

Pulse-echo or pitch-catch transducer and ultrasonic system

What does it do?

  • Accurately corrects caliper, standoff, and image logs with real-time ultrasonic mud velocity measurement.
  • Accurately measure low flow rates of production fluids via ultrasonic signal.

What can we provide?

Face: Flat or Focused
Temperature and Pressure: 175°C, 30 Kpsi
Diameter:0.5" to 2.5"
Height:0.5" to 1.5"
Frequency:250 KHz to 750 KHz
Bandwidth:40%-100%
SNR:+20 dB to +60 dB

Why do you measure pipeline fatigue?

  • Pipeline fatigue, both internal and external, must be measured regularly without service interruption
  • Pipeline fatigue, both internal and external, represents a huge economic and safety concern

What can you use?

Pulse-echo transducer and ultrasonic system

What does it do?

Accurately measures pipeline thickness via high-frequency ultrasonic measurement. Ultrasonic solutions can be implemented via permanent installation, manual inspection, or pigging as required.

What can we provide?

Diameter:0.5" to 1.0"
Height:0.5" to 1.0"
Frequency:1 MHz to 10 MHz
Bandwidth:40%-100%
SNR:+20 dB to +60 dB

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