2006 Drill BitClassifierCopyright © 2006 Gulf Publishing Company. All rights reserved. Printed in USA.For additional copies of World Oil’s 2006 Drill Bit Classifier, contact: Gulf Publishing Company, P.O. Box 2608, Houston, Texas 77252-2608, USAAttention: Reprint Department Telephone: +1 (713) 529-4301 Fax: +1 (713) 520-4433Special Su pplement toPu blished in September 2006World Oil SEPTEMBER 2006 D-117 World Oil offers this comprehensive listing of major manufacturers’ drilling bits to aid drilling supervisors and engineers in field selection. While this listing has been published annually for many years, changes from year to year are significant. Prior to ordering, users should consult the manufacturer to verify availability and specifications.How to use the tables. The following tables are divided into six forma-tion categories. Within these categories are listed most available drill-ing/coring bits by type and manufacturer. To use the listings, identify the formation to be drilled, decide which bit type is appropriate, i.e., roller cone, fixed cutter, steel tooth, insert, diamond, etc., and then choose the manufacturer. Companies were asked to list bit data by: 1) IADC code, 2) readily available sizes (special sizes are often available on request), 3) recommended WOB in lb/in. diameter, and 4) codes for special features and usage, a combination of IADC and World Oil special codes (see Nomenclature). IADC codes. The Bit Classifier uses the International Association of Drilling Contractors’ (IADC’s) classification system for roller cone and fixed cutter bits. The standards for these classifications are two technical papers that appear in the IADC Drilling Manual, 11th Edition, Chapter A, Sections 2 and 3. ...
