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1.Reduce frictional forces obviously.
2.Increase casing running depth.
3.Ensure casings are centralized .

Hebei zhankui drill equipment co.,ltd

Contact Now

1.Reduce frictional forces obviously.
2.Increase casing running depth.
3.Ensure casings are centralized .

Hebei zhankui drill equipment co.,ltd

Contact Now

1.Reduce frictional forces obviously.
2.Increase casing running depth.
3.Ensure casings are centralized .

Hebei zhankui drill equipment co.,ltd

Contact Now

1.Material:65 Mn or 60Si2Mn
2.Specification:4 1/2--13 3/4
3.Style:chained mode,Whole plait Welding,non-welding

Hebei zhankui drill equipment co.,ltd

Contact Now

1.Material:65 Mn or 60Si2Mn
2.Specification:4 1/2--13 3/4
3.Style:chained mode,Whole plait Welding,non-welding

Hebei zhankui drill equipment co.,ltd

Contact Now

1.Material:65 Mn or 60Si2Mn
2.Specification:4 1/2--13 3/4
3.Style:chained mode,Whole plait Welding,non-welding

Hebei zhankui drill equipment co.,ltd

Contact Now

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