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... Oilfield Non Magnetic Drill Collars Drilling Rig Non Magnetic Drill Collar For Oilfield Product parameters Machine Type Drilling M...

Time : Dec,09,2024
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Frictional Kelly Bar OD406-5*13m Application:Foundation Drilling Hole Type:Telescopic Kelly Bar 4/5/6 sections Lock Type:Frictional Max Drilling Depth...

Time : May,01,2025
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... size 3 3/4"(95mm) connected thread 2 7/8''reg lobe 5:6 stage 4 flow rate 162-578 lpm speed 121-432rpm working pressure loss 3....

Time : Sep,22,2025
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