COUNTIES · ZAVALA · LEASES

Zavala County Leases

Leases with wells completed in Zavala County. Lease reports leave the county blank, so each lease is filed under the county its wells are in; a lease that straddles a line sits on the side with more wells.

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1,004 LEASES · PAGE 1 OF 21

Lease	Operator	Field	Wells	Oil, bbl	Gas, mcf	Reported
Winterbotham Zav O-1-15744	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	57	16M	9.21M	Sep 2011 – Jul 2026
Traylor South Zav O-1-15766	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	34	8.9M	6.34M	Nov 2011 – Jul 2026
Traylor North O-1-15412	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	28	5.09M	4.07M	Jan 2011 – Jul 2026
Howett O-1-15772	Buffco Production Inc.	Briscoe Ranch (Eagleford)	15	3.11M	1.29M	Oct 2011 – Jul 2026
Big Wells /San Miguel/ Unit O-1-4421	Flint Oak Energy, LLC	Big Wells (San Miguel)	337	3.1M	998K	Jan 1993 – Jul 2026
Priest-Trinkle O-1-19958	Buffco Production Inc.	Briscoe Ranch (Eagleford)	8	2.03M	840K	Nov 2019 – Jul 2026
LLM South O-1-19132	U.S. Energy Development Corp	Briscoe Ranch (Eagleford)	7	1.78M	2.73M	May 2017 – Jul 2026
KM-Miller Unit Zav O-1-18398	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	4	1.68M	772K	Jul 2015 – Jul 2026
Howett Zav O-1-18015	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	5	1.4M	593K	Sep 2014 – Jul 2026
Traylor Unit Zav M O-1-17867	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	6	1.32M	707K	Feb 2014 – Jul 2026
Ferguson-McKnight O-1-15263	Magnolia Oil & Gas Operating LLC	Briscoe Ranch (Eagleford)	22	1.24M	837K	Aug 2010 – Jul 2026
Tidwell East Zav O-1-16636	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	4	1.12M	445K	Nov 2012 – Jul 2026
Traylor Unit Zav N O-1-17653	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	6	1.05M	753K	Feb 2014 – Jul 2026
Booth-Weaver O-1-12677	Crescent Energy Operating, LLC	Pearsall (Austin Chalk)	9	1.03M	963K	Jan 1993 – Jul 2026
Sola Vaca Norte O-1-19798	U.S. Energy Development Corp	Briscoe Ranch (Eagleford)	6	1.02M	1.93M	May 2019 – Jul 2026
Robert Walker Unit Zav B O-1-17827	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	3	997K	353K	Jul 2014 – Jul 2026
KM South Zav O-1-17123	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	4	985K	513K	May 2013 – Jul 2026
LA Mota Zav O-1-17759	Ineos USA Oil & Gas LLC	Briscoe Ranch (Eagleford)	5	959K	656K	May 2014 – Jul 2026
Pickens Ranch O-1-13647	Hawthorn Energy Partners, LLC	Pearsall (Austin Chalk)	6	946K	419K	Jan 1993 – Jul 2026
Spinach Elaine Unit O-1-10149	Rickaway Energy, Corp.	Spinach (Elaine)	12	928K	351K	Jan 1993 – Jul 2026
Glasscock Ranch C O-1-20777	Trinity Operating (Usg), LLC	Briscoe Ranch (Eagleford)	18	902K	2.3M	Sep 2022 – Jul 2026
Chittim Heirs O-1-16989	Blackbrush O & G, LLC	Briscoe Ranch (Eagleford)	8	892K	2.27M	Apr 2011 – Jul 2026
Elaine (5100) Unit O-1-7143	White Marlin Operating Co, LLC	Elaine (5100)	15	878K	12K	Jan 1993 – Jul 2026
Buchanan, John F. -A- O-1-13173	Flint Oak Energy, LLC	Pearsall (Austin Chalk)	5	852K	682K	Jan 1993 – Jul 2026
Coleman Zav D O-1-17448	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	6	841K	310K	Dec 2013 – Jul 2026
Coleman Unit Zav E O-1-18314	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	3	805K	321K	Feb 2015 – Jul 2026
Wilson-Gates B O-1-21087	Buffco Production Inc.	Briscoe Ranch (Eagleford)	5	785K	204K	Jul 2023 – Jul 2026
Petro Pards O-1-16031	Atlas Operating LLC	Briscoe Ranch (Eagleford)	6	783K	207K	Jun 2012 – Jul 2026
KM North Zav O-1-15963	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	3	752K	296K	Apr 2012 – Jul 2026
Stch-Johnson O-1-20694	Buffco Production Inc.	Briscoe Ranch (Eagleford)	4	734K	369K	Jul 2022 – Jul 2026
Traylor West Zav C O-1-15993	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	8	695K	423K	Dec 2011 – Jul 2026
N Bauerle a Unit O-1-19512	Ageron Energy, LLC	Briscoe Ranch (Eagleford)	3	693K	1.2M	Sep 2018 – Jul 2026
Traylor Unit Zav L O-1-18230	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	4	691K	565K	Nov 2014 – Jul 2026
Miller Unit Zav O-1-19231	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	2	659K	282K	Jan 2018 – Jul 2026
Norma Jeanne O-1-19641	Formentera Operations LLC	Briscoe Ranch (Eagleford)	3	622K	294K	Jul 2018 – Jul 2026
J&M Holdsworth Zav O-1-18279	Buffco Production Inc.	Briscoe Ranch (Eagleford)	5	599K	334K	Oct 2014 – Jul 2026
Winterbotham-Commerce Unit O-1-19616	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	2	575K	1.72M	Mar 2019 – Jul 2026
Beeler O-1-17577	Crescent Energy Operating, LLC	Pearsall (Buda, S.)	7	570K	2.45M	May 2013 – Jul 2026
Heitz 302 O-1-17732	Sage Energy Company	Pearsall (Buda, S.)	2	570K	1.76M	Jun 2012 – Jul 2026
Cenizo A O-1-20302	Trinity Operating (Usg), LLC	Briscoe Ranch (Eagleford)	18	553K	3.11M	Jun 2020 – Jul 2026
Commerce Unit Zav B O-1-19916	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	4	551K	486K	Oct 2019 – Jul 2026
Parkway O-1-18957	CML Exploration, LLC	Pena Creek (Georgetown)	1	539K	814K	Feb 2017 – Jul 2026
KM-Winterbotham Unit Zav O-1-19418	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	1	515K	247K	Aug 2018 – Jul 2026
Kleimann O-1-19427	CML Exploration, LLC	Pena Creek (Georgetown)	2	501K	844K	Feb 2018 – Jul 2026
J&M Holdsworth Unit Zav G O-1-17495	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	2	494K	148K	Nov 2013 – Jul 2026
LLM Zav South O-1-18771	Ineos USA Oil & Gas LLC	Briscoe Ranch (Eagleford)	3	466K	348K	Feb 2015 – Jul 2026
LLM North O-1-19495	U.S. Energy Development Corp	Briscoe Ranch (Eagleford)	2	459K	775K	Nov 2018 – Jul 2026
Thompson O-1-14742	CML Exploration, LLC	Pearsall (Austin Chalk)	2	456K	391K	Oct 2006 – Jul 2026
Winterbotham-TN Unit Zav O-1-19779	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	1	448K	182K	Aug 2019 – Jul 2026
KM-Commerce Unit Zav O-1-20010	Exco Operating Company, LP	Briscoe Ranch (Eagleford)	2	445K	289K	Oct 2019 – Jul 2026