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

Kingdream Public Ltd. Co.

E - Fixed Constructions – 21 – B

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Owner

Country: China

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A single cone bit with offset axis and composite cones

E - Fixed Constructions – 21 – B
Patent

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A tri-cone bit for high rpm drilling applications

E - Fixed Constructions – 21 – B
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Convex crested insert with deflected wedge surfaces

E - Fixed Constructions – 21 – B
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Tri-cone bits for horizontal and hard formation drilling...

E - Fixed Constructions – 21 – B
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