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With reliability at the forefront of development, DualLink has undergone a rigorous qualification process.


Over 2,400 hours of testing has been completed to date, at sites in Stavanger, Norway and Houston, Texas. 

These ‘real life’ runs on test rigs and in commercial drilling operations have yielded encouraging results, validating the laboratory qualification testing.

Based on these results we aim to make DualLink commercially available in H2 2020.

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90 runs


6 rigs


294,355 ft drilled cumulatively


2437 hours

Load tests

Failure mechanisms such as tension, torque, dogleg rotation, erosion, temperature and pressure cycles were lab tested for the primary qualification activity. Where possible the product was tested until failure to determine actual performance.


Load testing proved the product to greater than 15 degrees per 100 ft dogleg and tension to >80% of yield and <2% sand content.

Drilling rig tests

The system trials on rig operations have shown that stable  downhole power at 500W can be delivered while communicating with a minimum bit rate of 56Kbit/sec during drilling.

Field drilling rig tests have proven the ability of the system to bi-directionally communicate at high telemetry rates and send power to downhole tools, with 100% uptime.

Lifetime tests

The current design has shown to withstand erosion with fluid at 2% sand content and material ageing at elevated temperatures.


A variety of failure mechanisms were tested:


  • Electrical contact wear from connector make and break in different fluids

  • Effect of particle deposits

  • Erosion

  • Material aging

  • Fluid compatibility



More about the technology

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