American Oil and Gas Reporter - April 2022 - 71

SpecialReport: Drilling Assemblies
The scanner captures data with accuracy
to three thousandths of an inch,
Lyles reports. " As a point of reference, a
business card is 16 thousandths of an
inch, " he says. " The scanner quantifies
wear to less than a sixth of that, which
means we can quantify damage invisible
to the naked eye and impossible to measure
with a micrometer by hand. "
Analyzing a bit and adding it to the
company's composite database takes less
than 20 minutes, Lyles reports. He says
the robotic scanner's speed and precision
create a digital feedback loop that makes
it much easier for bit designers to see
how changes in design or drilling parameters
affect drilling dysfunction.
" Our composite database can tie the
bit's design attributes with the exact
amount of wear on that bit, as well as
data from the electronic drilling recorder
(EDR) and any information the customer
shares about the application, the BHA,
the drilling mud, etc., " Lyles comments.
" These links mean it takes only minutes
for designers and application engineers
to analyze thousands of runs for trends
and analogs.
" Historically, engineers who wanted
to design a new bit for a specific application
would spend weeks combing
through dull images and application details
to identify similar runs and create
a story about why previous designs performed
the way they did, " Lyles contrasts.
" Three years ago, this research would
take 40 days. Today, we can do it in a
day or two. "
Actionable Insight
Automation is helping Taurex turn its
relational bit performance database into
meaningful insights, Lyles shares. " We
are using machine learning to build models
that couple EDR data with wear on the
drill bit to determine what drilling dysfunctions
occurred and direct us toward
relationships that may explain why, " Lyles
describes. " In many cases, the machine
learning models see correlations that are
difficult for people to notice, then rank
the importance of those relationships.
" These correlations can be insightful, "
he remarks. " For example, a bit designer
may learn that a specific cutter grade,
back rake scheme or profile leads to more
wear in a given application. "
The models also help engineers adjust
APRIL 2022 71
drilling plans, Lyles mentions. As an example,
he says they may reveal that
sliding through a specific formation correlates
strongly with damage to the bit's
lower shoulder. If the operator minimizes
sliding in that area, it can increase the
bit's longevity and performance.
" In addition to automating dull analysis,
Taurex continuously works to increase
the speed of bit design, " Lyles reports.
" Instead of manually recreating the hundreds
of components that go into each
bit, we have developed automated templates
that produce a baseline model with
the desired attributes. This has shortened
design time from two-three weeks in
2017 to two-three days. "
As Taurex continues to gather and
analyze data, Lyles says its design accuracy
is improving. " We do not have
to rely as much on trial and error as we
used to, " he reflects. " Because they can
draw on so much data, our models are
getting much better at evaluating bit designs.
In fact, we are on the cusp of
being able to tell customers, 'Based on
these changes, we expect a 10%-15%
increase in footage drilled and a 5% increase
in rate of penetration' with a high
degree of accuracy. "
Real-Time Guidance
When something goes wrong during
drilling, drillers want to know immediately
so they can correct it, observes
Curtis Cheatham, vice president of research
and development for Corva. He
says the company has developed a cloudbased
platform that makes spotting potential
problems faster and more reliable.
" By analyzing data from EDRs, MWD
tools and other on-site equipment in the
cloud, the platform's apps provide situation
awareness, and in some cases,
make recommendations for improvement, "
he explains.
One of Corva's applications promotes
procedural compliance, Cheatham mentions.
" It is important that the rig goes to
bottom following operator-specified procedures.
If the rotary speed is too high,
which can cause excessive vibration and
damage, our platform can send alerts to
the rig, remote centers or any user with
internet access, such as drilling engineers
or managers, " he describes.
The procedural compliance app also
can track whether connections have been
made properly and highlight when the
bit deviates from the planned trajectory,
Cheatham adds.
This robotic drill bit scanner
allows Taurex™
Drill Bits to
measure cutter diamond loss
and other wear quickly and
precisely. By scanning every
bit and combining the detailed
dulls with other information,
the company says it
is accelerating improvements
in bit design and drilling parameters.

American Oil and Gas Reporter - April 2022

Table of Contents for the Digital Edition of American Oil and Gas Reporter - April 2022

Contents
American Oil and Gas Reporter - April 2022 - Intro
American Oil and Gas Reporter - April 2022 - Cover1
American Oil and Gas Reporter - April 2022 - Cover2
American Oil and Gas Reporter - April 2022 - Contents
American Oil and Gas Reporter - April 2022 - 4
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American Oil and Gas Reporter - April 2022 - Cover3
American Oil and Gas Reporter - April 2022 - Cover4
https://www.nxtbook.com/nxtbooks/aogr/202205
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