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About: Hole opener     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : dbo:Device, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: device New Facet based on Instances of this Class

A hole opener is a device used to enlarge the borehole during a well drilling operation.It can be positioned either above the drill bit or above a pilot run inside the existing borehole. Numerous designs exist, in sizes varying from a couple of inches to above 50". Usages range from hydrocarbon drilling operations to water drilling or horizontal drilling.