World Oil`s 1997 drill bit classifier
Journal Article
·
· World Oil
OSTI ID:536497
World Oil offers this comprehensive listing of major manufacturer`s drilling bits to aid drilling supervisors and engineers in field selection. While this listing has been published annually for several years, changes from year to year are significant. Prior to ordering, users should consult the manufacturer to verify availability and specifications. The tables show six formation categories corresponding to the new IADC formation types. Companies were asked to list any discrete bit in only one formation type, leaving the user to decide about application in harder, or softer, rock. The formations are: Soft, including soft sticky; Soft to medium; Medium; Medium to hard; Hard; and Extremely hard.
- OSTI ID:
- 536497
- Journal Information:
- World Oil, Journal Name: World Oil Journal Issue: 9 Vol. 218; ISSN 0043-8790; ISSN WOOIAS
- Country of Publication:
- United States
- Language:
- English
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