Drill Bits — An Introduction

Drill Bits — An Introduction

A Practical Foundation in Rotary Drill-Bit Technology

A practical, manufacturer-independent introduction to the major rotary drill-bit technologies used across oil and gas, mining, directional drilling, geothermal, water-well and related drilling applications.

This 28-page technical guide introduces:

• PDC, roller-cone and specialist pick-cutter technologies

• How different drill bits remove rock

• PDC cutter size, layout, profile, rake and depth of cut

• Matrix-body versus steel-body PDC construction

• Roller-cone cutting structures, bearings and hydraulics

• Weight on bit, RPM, torque, ROP and drilling response

• Hydraulics, cleaning and drilling dysfunction

• Introductory bit-selection logic

• Used-bit observations and post-run learning

• Current drill-bit technology developments

Written for students, graduates, junior engineers, drillers, directional/MWD personnel, supervisors and experienced drilling professionals who want a clear practical foundation or cross-industry refresher.

Format: Digital PDF

Document: PDC-TG-26-01

Revision: 0

Published: November 2026

Purchase provides an individual-use licence. Company and training licences are available separately from PDC Drilling Solutions & Advisory Pty Ltd.