Cawley, Gillespie and Associates, Inc.


13640 Briarwick Drive, Suite 100
Austin, Texas 78729

Phone: 512.249.7000
Fax: 817.796.9260

The Austin office was opened in 2002 in the beautiful wooded campus of AmberOaks Corporate Center in Northwest Austin. Near the intersection of Hwy 183 and Texas Toll 45 (Ranch Road 620), our office is within a short drive of downtown Austin, Austin Bergstrom International Airport and Lake Travis.

Austin Team

, Cawley, Gillespie & Associates
Senior Reservoir Engineer

Jeff Loskorn

Jeff is a senior reservoir engineer at CG&A and has been with the firm since 2014. His experience and responsibilities include reserves and economics evaluations, acquisition/divestitures, and reserve reporting for both public and private companies. His projects range across the continental US, with a primary focus in the Permian Basin. Jeff graduated from the University of Texas with a B.S. and M.S. in Civil Engineering, is a registered professional engineer in the state of Texas and is also a member of the Society of Petroleum Engineers (SPE).

✯ Favorite outdoor activity in Austin?
“The perfect afternoon is biking downtown, playing ultimate frisbee at Zilker Park, then jumping into Barton Springs to cool off afterwards.”

Geology Technician, Engineering Technician
Technical Analyst

Brian McFarlin

Brian is a senior technical analyst and has been with the firm since 2013. In this role he works closely with CG&A engineers and geologists, providing essential data management and analysis for reserve evaluations, acquisitions and divestitures, mapping/GIS modeling, and more. He has experience in unconventional resources in every major basin in the United States. Brian graduated from Oklahoma Baptist University with a B.S. in Mathematics and is a member of the Society of Petroleum Engineers (SPE).

✯ Favorite outdoor activity in Austin?
“Anything related to working in my yard. If I’m not mowing, I’m probably thinking about when I’m going to mow next.”

Client Testimonials

“We have been working with Jeff Loskorn and his team in evaluations and audits of year-end reserves for the past five years. Jeff is one of the most knowledgeable, well rounded and expert Reservoir Engineers I have worked with. He has great understanding and ability to evaluate our asset in Austin Chalk in Caddo Parish Holdings. He is very flexible to work with and always available to answer questions and provide amicable solutions and accurate reserves evaluations.”

Amol BhavsarStranded Oil Resources

Send Us a Message