4. Boring or penetrating the earth
  5. Processes
  6. Boring horizontal bores

David Camp

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Back reamer assembly

Boring or penetrating the earth – Enlargement of existing pilot throughbore requiring...
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Compound tools – Cutter combined with other tool or tools
Design Patent

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Hook for detection of chain sling failure

Geometrical instruments – Distance measuring – By flexible tape
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Orienter for drilling tool assembly and method

Boring or penetrating the earth – Processes – Boring curved or redirected bores
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Shallow depth, coiled tubing horizontal drilling system

Boring or penetrating the earth – Processes – Boring horizontal bores
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Profile ID: LFUS-PAI-P-2574380

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