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the example of high-IP, high-decline curve
Wolfcamp wells in the Delaware Basin,
Morrow says operators initially install a
high-horsepower ESP, but within a few
months are forced to change to a smaller
ESP and then to a beam pump as fluid
volumes decline.
"One customer asked about using
fiberglass rods in wells making 8001,000 bbl/d. The idea was to eliminate
the smaller ESP and go straight to rod
lift," he recalls. "We design rod strings
for almost infinite life, so we were not
real comfortable with it at first. But the
company said it would consider six
months of service life acceptable, so we
agreed."
The operator's thought process, according to Morrow, was grounded in economics. If replacing an ESP has a price
tag of $150,000-$200,000 and a fiberglass
rod string can be installed for $40,000,
replacing the rod string after six months
still represents only half the cost of replacing an ESP. "Rod pumping is the
cheapest lift solution, and the customer
was going to have to switch to rod pumping at some point anyway as production
tailed off," he reasons.
Some of the first installations of those
rod strings have now been in service for
more than six months without a failure.
"That tells us that the rods are even
stronger and more durable than we
thought," Morrow offers.
And that's saying something given
that the same fiberglass strings have been
in service in some Permian wells for 25
years and counting. According to Morrow,
Superod launched a two-year warranty
program in 2011 under which it guarantees
to pay the pulling cost if a rod causes
well failure. "The rods manufactured
since then have pumped billions of cycles
and there has not yet been a single failure
claim," he concludes.
Lift Optimization
XSPOC 3.0, the latest release of Apergy Corp.'s artificial lift optimization
software, uses physics-based diagnostics
and artificial intelligence to monitor,
control and optimize rod lift, gas lift
and electric submersible pump systems.
It updates the XSPOC platform to enable
set point optimization of rod lift wells
and AI-driven classifications for ESPs
to allow users to better use their production assets with less resources and
time, the company says.
XSPOC is used to optimize 125,000
wells across the world. The 3.0 update
also includes further development of
XSPOC's physics-based diagnostics for
ESP and gas lift wells, including additional
flow models and equipment specifications,

Apergy says.
"The latest release addresses key challenges faced by our customers," notes
Terry Treiberg, general manager of Apergy's Theta Oilfield Services business.
"Our field trials with our rod pump set
point optimization have been well received
and yielded real results. Our customers
are pleased with the direction XSPOC is
moving-full autonomous control for all
methods of artificial lift."
XSPOC's AI automates processes that
are performed manually, Apergy describes,
making decisions based on specified parameters to optimally control lift performance. The software communicates
with field devices, and performs both
control and data acquisition tasks using
its own polling engine. XSPOC also integrates with all major SCADA platforms,
and works with third-party software such
as Wellview and Open Wells. It can be
visualized in tools such as Spotfire and
Tableau.
Paul Mahoney, president of Apergy's
production and automation technologies
segment, says the XSPOC 3.0 release is
the culmination of multiple facets of the
AL business.
"Our core artificial lift competencies
of service and field excellence, system
design prowess, and optimization expertise
come together to transform disparate data
into meaningful insights for our customers.
The result is enhanced production efficiency with lower costs for our customers."
Pumps For Many Applications
According to GR Energy Sercives,
hydraulic jet pumps (HJP) have many
unique advantages. Compared with conventional lift systems, HJPs can handle
the large concentration of solids and
high gas volumes often seen in today's
unconventional wells. In the GR Energy
Services Flex Flow system, the jet pump
partners with the company's horizontal
pumping unit (HPS), which features
variable speed drives, surface controls
and automated reporting capabilities.
The company says the flexible system
can be configured for many scenarios,
including conventional, reverse circulation
and concentric, and can be combined
with gas lift to optimize production. The
reliable combination of the HJP with
the HPS lowers operators' lease and operating expenses by reducing costly well
interventions and maintenance downtime.
"Our goal is to lift higher volumes
and reduce operating costs by eliminating
the common issues of gas locking and
solids handling, maintaining production
over a wide range of rates and reducing
well intervention and maintenance down-

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JUNE 2020 61


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American Oil and Gas Reporter - June 2020

Table of Contents for the Digital Edition of American Oil and Gas Reporter - June 2020

Contents
American Oil and Gas Reporter - June 2020 - Intro
American Oil and Gas Reporter - June 2020 - 1
American Oil and Gas Reporter - June 2020 - 2
American Oil and Gas Reporter - June 2020 - Contents
American Oil and Gas Reporter - June 2020 - 4
American Oil and Gas Reporter - June 2020 - 5
American Oil and Gas Reporter - June 2020 - 6
American Oil and Gas Reporter - June 2020 - 7
American Oil and Gas Reporter - June 2020 - 8
American Oil and Gas Reporter - June 2020 - 9
American Oil and Gas Reporter - June 2020 - 10
American Oil and Gas Reporter - June 2020 - 11
American Oil and Gas Reporter - June 2020 - 12
American Oil and Gas Reporter - June 2020 - 13
American Oil and Gas Reporter - June 2020 - 14
American Oil and Gas Reporter - June 2020 - 15
American Oil and Gas Reporter - June 2020 - 16
American Oil and Gas Reporter - June 2020 - 17
American Oil and Gas Reporter - June 2020 - 18
American Oil and Gas Reporter - June 2020 - 19
American Oil and Gas Reporter - June 2020 - 20
American Oil and Gas Reporter - June 2020 - 21
American Oil and Gas Reporter - June 2020 - 22
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