Oil and gas leases in South Texas Operating Company
South Texas Operating Company is a Texas operator, Commission number 802845, with 14 leases reporting production across 5 counties. 8 of them are oil leases and 6 are gas leases. Between them they carry 26 wellbores. Reported volumes run from January 1993 to August 2026 and come to 250 thousand barrels of oil and 944 thousand Mcf of gas. Every lease below has its own page with a decline-curve forecast and an estimate of what the whole lease is worth.
Key facts about South Texas Operating Company
- How many oil and gas leases are in South Texas Operating Company?
- South Texas Operating Company has 14 oil and gas leases with production reported to the Railroad Commission of Texas, as of August 2026.
- How much oil and gas has South Texas Operating Company produced?
- Leases in South Texas Operating Company have reported 249,773 barrels of oil (bbl) and 944,277 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026.
- How much are mineral rights in South Texas Operating Company worth?
- There is no single figure: what a mineral or royalty interest in South Texas Operating Company is worth depends on the individual lease, its decline, and the share the owner holds. Each of the 14 leases listed here has its own page with the full production history the operator reported, a decline-curve forecast, and an estimate of what a royalty interest in it is worth today.
Counties here
- Hidalgo County — 7 leases
- Duval County — 3 leases
- Liberty County — 2 leases
- Jim Hogg County — 1 lease
- Webb County — 1 lease
Railroad Commission districts
- District 04 — 12 leases
- District 03 — 2 leases
Leases
- ZAMORA — gas, South Texas Operating Company, Hidalgo County, 627 thousand reported
- ZAMORA — gas, South Texas Operating Company, Hidalgo County, 167 thousand reported
- GUTIERREZ, DANIEL ETAL — oil, South Texas Operating Company, Jim Hogg County, 115 thousand reported
- CHAPA — oil, South Texas Operating Company, Hidalgo County, 79 thousand reported
- CASAS UNIT — gas, South Texas Operating Company, Hidalgo County, 58 thousand reported
- CHAPA — gas, South Texas Operating Company, Hidalgo County, 44 thousand reported
- WELDER -A- — oil, South Texas Operating Company, Duval County, 38 thousand reported
- WELDER, LEO J. ET AL — gas, South Texas Operating Company, Duval County, 33 thousand reported
- VILLARREAL "E" — gas, South Texas Operating Company, Webb County, 14 thousand reported
- CHAPA, SALOMON — oil, South Texas Operating Company, Hidalgo County, 8 thousand reported
- VAN DEVENTER GAS UNIT — oil, South Texas Operating Company, Liberty County, 3 thousand reported
- DANIEL GAS UNIT — oil, South Texas Operating Company, Liberty County, 3 thousand reported
- WELDER, LEO J. ETAL — oil, South Texas Operating Company, Duval County, 2 thousand reported
- ZAMORA — oil, South Texas Operating Company, Hidalgo County, 753 reported
Production figures are as reported to the Railroad Commission of Texas. Values shown on lease pages are estimates produced by fitting a decline curve to that reported history; they are not offers or appraisals.