TAB LE OF CONTE NTS
Official magazine of
the International
Association of Drilling
Contractors MAR/APR 2022
drillingcontractor.org iadc.org
Volume 78 • Number 2
As drilling operations are automated
and digitalized, workflows around the
post-run evaluation of drill bits are
changing, too, as AI- and machine
learning-based tools are developed.

Cover image courtesy of Hallburton.

I N N OVATI N G WH I LE D R I LLI N G
14 Digital technologies support new workflows
in drill bit forensics
AI and machine learning allow for dull wear data to be easily collected, digitized
and analyzed, leading to better bit designs, optimized drilling
BY STEPHEN FORRESTER, CONTRIBUTOR
20 IADC ART Committee moves closer to launching updated drill bit dull grading system
BY STEPHEN WHITFIELD, ASSOCIATE EDITOR
22 Industry seeks ways to understand
and fight elusive downhole enemies
Dysfunctions like HFTO can be hard to detect, but
companies are identifying mitigation solutions through
sensors, bit studies, predictive software
BY STEPHEN WHITFIELD, ASSOCIATE EDITOR
27 Multilayer mapping-while-drilling service delivers real-time
insights to optimize reservoir exposure
BY VERA KRISSETIAWATI WIBOWO AND HAIFENG WANG, SCHLUMBERGER
27 IMPROVING FRACKING POWER & EFFICIENCY
30 Power quest: Innovations in frac equipment
push horsepower boundaries
As 5,000-hp becomes the norm, manufacturers focus on delivering
pumps and engines with higher power density, durability
BY STEPHEN WHITFIELD, ASSOCIATE EDITOR
36 Automated predictive frac control system taps operator’s
machine-learning model to improve completion execution
38 BY JESSICA WHITESIDE, CONTRIBUTOR
38 Integrated platform aims to improve real-time decision making
in frac operations
BY STEPHEN WHITFIELD, ASSOCIATE EDITOR
D R I L L I N G C O N T R AC T O R • M A R C H/A P R I L 202 2
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