Foundation 20m Drilling Kelly Bar Rotary Rigs Equipment

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Foundation 20m Drilling Kelly Bar Rotary Rigs Equipment

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Foundation 20m Drilling Kelly Bar Rotary Rigs Equipment

Specification No. Diammeter of The First Section Sections Key Pressure Type Length of per section(m) Drill depth Torque(KN.M) 1 ¢299 3 Interlocking 9-12 24-45 100 -120 2 ¢342 3 4 Interlocking 9 - 12 ...

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foundation rotary rigs drilling kelly bar

20m drilling kelly bar

20m kelly bar drilling equipment

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