About Us


Lee Caple draws from four decades of experience in the management of corporate and personal oil and gas interests in order to provide outstanding service and results for our clients. His experience includes mineral marketing, mineral appraisals, lease acquisitions, lease marketing on behalf of our clients, advisory and support related mineral management services, exploration, and large production sales. Having worked extensively in the non-profit world, Lee provides distinctively wholistic counsel to our clients, focusing upon our client’s personal and financial goals with consideration given to their risk tolerance and financial obligations.

Lee Caple


Keri has been a part of the oil and gas industry since she was very young. Her mother is a Certified Professional Landman and Keri proudly carries on her mother’s passion for the oil and gas industry. Keri brings 20 years of oil and gas knowledge and experience to Caple Royalty Services. Keri has experience in managing client’s mineral and royalty assets as well as buying and selling minerals and her expertise includes determining ownership in minerals through the research of public and private records; reviewing title, and business agreements. She gained much of her experience serving as Sr. Minerals Asset Manager and Vice President for the Northern Trust Company in Addison, Texas for 8 years. She also has experience as an In-House Landman and as a licensed right-of-way agent in Texas.

She earned her BBA from the University of North Texas and a MA from Texas Tech University and holds a certificate as a Certified Professional Landman. She is actively involved in the American Association of Professional Landmen where she serves as a Certification Committee Member. She is also involved with the Young Professionals in Energy, and served as 2nd Vice President on the Board of the Dallas Association of Petroleum Landmen for the past 6 years.

Keri has two girls; Keeli 13 and Kanie 7. She is an avid runner and enjoys golfing, hunting, cooking, and watching Texas Tech Football. She is actively involved with her daughter’s sports teams and has a passion for volunteering in her community.

Keri Sweet

Minerals Manager

J.Lee Cummings brings 15 years oil and gas experience to Caple Royalty Services, most of that time in technical engineering and business development capacities. His experience includes evaluating producing and potential wells, acquisition evaluation, project economics and technical engineering support. He has experience working for operators, non-operators, third party engineering consultants, private equity firms and in investment banking. Mr. Cummings has worked in most of the major U. S. basins. He obtained an undergraduate degree in Mechanical Engineering and graduate degree in Petroleum Engineering and lives in Fort Worth with his wife and twin kids which take up most of his time. J.Lee enjoys playing soccer, golf, fishing, spending time with family and kids and anything outdoors.

J.Lee Cummings

Senior Reservoir Engineer

Contact us today!

(214) 254-4808

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