American Oil and Gas Reporter - February 2019 - 37

Digital Twin
Algorithm
Predicts Well
Drilling Time
Using Historical,
Real-Time Data
By Gurtej S. Saini, Pradeepkumar Ashok,
Eric van Oort and Matthew R. Isbell
AUSTIN, TX.-Advancements in sensor technology,
computational power, data storage and analytics
are driving the adoption of the "digital twin"
concept in a variety of oil and gas applications,
ranging from condition-based maintenance of
equipment such as top drives and artificial lift
systems to predicting stuck pipe issues and bit wear.
One novel application of digital twin technology
has come in predicting time to total depth in horizontal drilling operations. Drilling is a missioncritical operation. Process and equipment failures
result in nonproductive time that can add several
hundred thousand dollars to drilling projects in
unconventional reservoirs. Drilling also is unpredictable, given the inherent irreducible complexity
of dealing with varying geological formations.
The ability to accurately predict time to TD with
a digital twin is of considerable value for improving
the certainty of a well's drilling schedule, and consequently, the overall timing of the drilling and
field development program. Digital twins also can
help predict, and thereby prevent, failures, which
reduces the likelihood of NPT events.

FEBRUARY 2019 37



American Oil and Gas Reporter - February 2019

Table of Contents for the Digital Edition of American Oil and Gas Reporter - February 2019

Contents
American Oil and Gas Reporter - February 2019 - Intro
American Oil and Gas Reporter - February 2019 - 1
American Oil and Gas Reporter - February 2019 - 2
American Oil and Gas Reporter - February 2019 - Contents
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