4. Boring or penetrating the earth
  5. Processes
  6. Boring curved or redirected bores

Joachim Sihler

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Apparatus for eliminating net drill bit torque and...

Boring or penetrating the earth – Processes – Boring curved or redirected bores
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Drilling system powered by energy-harvesting sensor

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Earth science
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Methods and apparatus for attenuating drillstring vibrations

Boring or penetrating the earth – Natural vibration characteristic of an element of boring...
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Methods and apparatus for attenuating drillstring vibrations

Boring or penetrating the earth – Natural vibration characteristic of an element of boring...
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Rotating electrical connections and methods of using the same

Electrical connectors – Interrelated connectors relatively movable during use – Movement about axis
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Profile ID: LFUS-PAI-P-2236455

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