American Oil and Gas Reporter - March 2016 - 67

within the Goodland Lime, Glen Rose
and Pettet in close proximity to Bexar
and Pine Island Shale source rocks.
While very little successful activity
has taken place historically, several companies in the eastern part of the basin
have successfully tested comingled vertical
wells. Stimulating and comingling the
entire interval with the Buda/Georgetown
has proven profitable in select locations,
but like the overlying Buda, the presence
of natural fractures likely plays a significant role in well economics.
Operators such as Burke Royalty,
EOG, Energy & Exploration Partners and
ZaZa Energy are testing the spatial repeatability of the play in the eastern part
of the basin, but the ultimate extent to
the west has not been tested. While the
initial results are not well known, well
costs and overall economics suggest that
the play is extremely attractive.
Integrated Approach
Hawkwood has implemented a series
of drilling-related changes, including
active hole cleaning, rotary steerable bottom-hole assemblies, precise geosteering
with real-time measurement-while-drilling,

TONY ALBRECHT is senior geologist
at Hawkwood Energy in Denver, working
development geology in East Texas. Before joining the company in 2012, he
served five years as a geologist at Forest
Oil Corp. in the Gulf Coast, West Texas
and Rocky Mountains in addition to international basins. Albrecht began his
career at BP working as a geologist in
the deepwater Gulf of Mexico and the
U.S. and Canadian Rockies. He holds a
B.A. in physics and geology, and an
M.S. in geology from Miami University.
STACY KERCHNER is reservoir engineering manager at Hawkwood Energy. Kerchner began her career with
Conoco in 1987, and held a variety of
reservoir engineering roles primarily
in the Gulf Coast and Western Canada.
In 2002, she joined Devon Energy,
working onshore South Louisiana and
in the deepwater Gulf. Three years later,
Kerchner joined Newfield Exploration
as part of a new ventures team focused
on Rocky Mountain basins, including
supporting grass-roots leasing efforts
in the Bakken/Three Forks. She later
worked on Newfield's Eagle Ford and
Uinta Basin teams. Kerchner holds a
B.S. in petroleum engineering from the
New Mexico Institute of Mining & Technology.

and fit-for-purpose mud weights. These
factors have had the biggest impact on
Woodbine and Lower Eagle Ford lateral
drilling success while achieving maximum
penetration rates of 4,000 feet a day in
some wells. Along with this best-in-class
drilling pace, precise lateral placement
has allowed us to maintain stratigraphic
positioning to within five feet for laterals
measuring up to 8,400 feet.
Internal and external frac modeling
supports the stimulation tests that Hawkwood has implemented. A series of intentional changes to frac fluid, proppant
amounts/types, stage/cluster spacing, etc.,
has provided a rich dataset to optimize
stimulation methods. In addition, landing
zone and offset well spacing testing has
provided a more thorough analysis of
how to effectively drain and recover oil
in the Lower Eagle Ford.
Using a series of flowback and timing
combinations, we also have tested the
most efficient and effective manner of
recovering initial production. After a
structured flowback and over the initial
production period, we are able to estimate
EUR and drainage area so that we can
modify similar wells waiting on comple-

tion in order to maximize economics.
To fully appreciate the richness and
diversity of the Brazos Basin, operators
must understand how the numerous plays
stack up spatially. While each play has
different primary controls, there are secondary similarities that point to where
optimal basin positioning leads to greater
value. Factors such as normalized carbonate composition, natural fracture density, drainage patterns, depositional setting,
reservoir pressure, thickness and proximity
to source rocks, and juxtaposing faults
were mapped to demonstrate how these
plays stack together.
By using a multidisciplinary approach
through innovative mapping, core-to-log
petrophysical analysis, stimulation experimentation, advanced drilling techniques and patient reservoir management,
operators can maximize and optimize individual well results and future full-field
development in any size acreage position
in hydrocarbon-rich basins. This is particularly appealing in the Brazos Basin,
where the hydrocarbon system is active,
well known, and has the generative capacity to fill multiple unconventional and
conventional reservoir targets.
❒

SCOTT BROOKS joined Hawkwood
Energy as senior petrophysical adviser
in 2013. He has 32 years of industry experience, including nearly 20 years at
Schlumberger, where he held the domestic
positions of field engineer, borehole
seismic specialist, geophysicist, sales
engineer and senior log analyst. In 2004,
Brooks joined Forest Oil Corp. as a
petrophysicist, where he worked in conventional and unconventional plays across
multiple North American and international basins. He holds a degree in geophysical engineering from the Colorado
School of Mines.

TREVOR WILLMS joined Hawkwood
Energy as senior production/completion
engineer in 2012 after serving in engineering roles focused on tight sands
and unconventional horizontal completions at Forest Oil. With 20 years of experience, Willms began his career in
Chevron Canada Resources' drilling
department. His work has since focused
on completions, workovers, and production engineering and operations in
several onshore and offshore basins
both in North America and internationally. Willms holds a B.S. in mechanical engineering from the University
of Alberta.

ERIC KOLSTAD is Hawkwood Energy's drilling manager. Before joining the
company in 2014, he served as vice president of operations at Endeavour International Corp., western region vice president at New Tech Global, drilling team
lead in the Piceance Basin for Williams,
Gulf of Mexico drilling and operations
engineer at Anadarko Petroleum Corp.,
and a drilling and operations engineer
at Union Pacific Resources in the Gulf,
South Texas and Rockies. Kolstad began
his career in 1994 as a field production
engineer at Texaco. He holds a B.S. in
petroleum engineering from the Colorado
School of Mines.

DAVID STEMLER is senior geophysicist at Hawkwood Energy. He
joined the company in 2013 after 36
years of experience in international oil
and gas basins. Stemler began his career
in 1977 with Amoco, exploring in the
Rockies, and subsequently joined Conoco, where he was assigned to full-cycle
seismic projects in Europe, South America and the Middle East. He then consulted on exploration projects in Africa,
Latin America and the Mediterranean,
before moving to Forest Oil's new ventures group to focus on onshore U.S.
basins. Stemler holds a B.S. in geology
from the University of Nebraska.
MARCH 2016 67



American Oil and Gas Reporter - March 2016

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