In oil drilling and borehole mining, a casing shoe or guide shoe is a bull-nose shaped device which is attached to the bottom of the casing string. A casing hanger, which allows the casing to be suspended from the wellhead, is attached to the top of the casing.[1]
References edit
- ^ "Casing shoe". Oilfield Glossary. Schlumberger Limited. Archived from the original on 2006-10-17. Retrieved 2008-02-02.
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