4. E - Fixed Constructions
  5. 21
  6. B

R. Ernst Krueger

E - Fixed Constructions – 21 – B

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Country: United States Of America

Coiled tubing friction reducer

E - Fixed Constructions – 21 – B
Patent

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Drill pipe/casing protector

E - Fixed Constructions – 21 – B
Patent

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Drill pipe/casing protector assembly

E - Fixed Constructions – 21 – B
Patent

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Long reach rotary drilling assembly

E - Fixed Constructions – 21 – B
Patent

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Three-dimensional steering tool for controlled downhole...

E - Fixed Constructions – 21 – B
Patent

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Profile ID: LFCA-PAI-P-1312520

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