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Ocean Drilling Program Tools Overview by zhujianglong is a document available to read on EtoBox.

What is Ocean Drilling Program Tools Overview about?

The document discusses tools used in the Ocean Drilling Program to enlarge holes for running casing strings, including underreamers and bi-center reamers. Underreamers have adjustable hydraulic arms to drill a larger diameter hole below the casing shoe, while bi-center reamers have fixed eccentric cutters and are more robust for harder formations. The summary selects the appropriate tool based on formation type and casing size to provide sufficient annular clearance when cementing casing strings.

Author

zhujianglong

Language

EN