Texas operator · P-5 802845
South Texas Operating Company
Facts and their sources. No rating, no opinion.
The record
What the state's files show about South Texas Operating Company
Railroad Commission record
Who the state lists
The Railroad Commission lists this company as an operator: it reports wells and leases in Texas.
- Name on file
- SOUTH TEXAS OPERATING COMPANY
- Operator number (P-5)
- 802845
- P-5 status
- Active
- Organization type
- Corporation
- Location
- San Antonio, TX
- Mailing city
- San Antonio, TX
- Activities filed
- Gas Operator, Oil Operator
- Last P-5 received
- February 24, 2026
- Record built
- February 13, 1990
- Refiling required
- Yes
Source: Railroad Commission of Texas, P-5 Organization Report data set, as of September 22, 2026.
Owner relations
How to reach South Texas Operating Company as an owner
Not checked yet
We have not checked South Texas Operating Company’s owner-relations desk yet. Here is how owners usually find it:
- Look at a recent check stub or statement. The phone number and address printed on it usually reach the owner relations department.
- Search the company’s own website for “owner relations” or “royalty owners”. Larger operators have a page and an online owner portal.
- The Railroad Commission file above has the company’s mailing address. A letter sent there reaches the company, though not always the right desk.
- Put your owner number and the property name or number on every letter and call.
Comptroller and Secretary of State
The business entity on file
- Legal name
- SOUTH TEXAS OPERATING COMPANY
- Taxpayer number
- 17425593716
- Entity type
- Texas profit corporation
- Secretary of State file number
- 0114140900
- Secretary of State status
- Active (January 31, 1990)
- Right to transact business in Texas
- Active
- Formed
- January 31, 1990
- Formed in
- TX
- Mailing city
- San Antonio, TX
Source: Texas Comptroller, franchise tax permit holder file (data.texas.gov), as of September 26, 2026.
Look it up yourself: Secretary of State business filings (search for file number 0114140900), Comptroller account status.
Production
What the state's reports show
- Oil, last 12 months
- 29,680 barrels
- Down 10.3% from the 12 months before
- Gas, last 12 months
- 0 mcf
Oil reported each month, in barrels
- Jul 20262,575
- Jun 20262,436
- May 20262,308
- Apr 20261,808
- Mar 20262,180
- Feb 20262,153
- Jan 20262,714
- Dec 20252,678
- Nov 20252,643
- Oct 20252,674
- Sep 20252,857
- Aug 20252,654
Source: Railroad Commission of Texas, production data query, as of July 1, 2026.
Drilling permits
Permits filed with the state
0 drilling permits in the last three years. A permit is permission to drill. It is not a well.
Source: Railroad Commission of Texas, drilling permit records.
Leases
Leases this company operates
25 leases on the state record, 14 with production in the last twelve months. The largest by production:
- J.m. O'Brien JLBRefugio County · 8,893 bbl of oil
- Obrien, J. M.Refugio County · 5,006 bbl of oil
- PecanBrazos County · 3,309 bbl of oil
- Van Deventer Gas UnitLiberty County · 2,650 bbl of oil
- Daniel Gas UnitLiberty County · 2,615 bbl of oil
- Bright SKY RanchBrazos County · 1,879 bbl of oil
- Van Deventer Gas UnitLiberty County · 1,619 bbl of oil
- Bookman PetersBrazos County · 1,612 bbl of oil
- Daniel Gas UnitLiberty County · 1,610 bbl of oil
- Horned FrogBrazos County · 1,424 bbl of oil
- Redbud UnitBrazos County · 620 bbl of oil
- BDMBrazos County · 507 bbl of oil
- Hoskins UnitMcMullen County · 424 bbl of oil
- MagnoliaBrazos County · 422 bbl of oil
- DR. HankBrazos County · 299 bbl of oil
- BarnesBrazos County · 20 bbl of oil
- Daniel, Governor Bill 161 GuLiberty County · nothing reported in 12 months
- ZamoraHidalgo County · nothing reported in 12 months
- Riggs "E"Frio County · nothing reported in 12 months
- ZamoraHidalgo County · nothing reported in 12 months
- Villarreal "E"Webb County · nothing reported in 12 months
- RossWebb County · nothing reported in 12 months
- BonnerLiberty County · nothing reported in 12 months
- BonnerLiberty County · nothing reported in 12 months
- Welder HeirsDuval County · nothing reported in 12 months
Operator changes
Leases this company took over or handed over
4 taken over and 1 handed over since the state's history begins; 0 and 0 in the last twelve months. The month is the first month the change shows in production reports.
- Handed over Weber-Mauritz, Jackson CountyMar 2024 · to Zeppe Petroleum, LLC
- Took over J.m. O'Brien JLB, Refugio CountyJul 2023 · from Jura Energy Operating LLC
- Took over Obrien, J. M., Refugio CountyMay 2023 · from Jura Energy Operating LLC
- Took over Weber-Mauritz, Jackson CountyMay 2023 · from Jura Energy Operating LLC
- Took over Hoskins Unit, McMullen CountyMay 2021 · from Texoz E&P I, Inc.
Use it
Follow this company, or check a paper it sent you
New permits and production
One email a week when South Texas Operating Company files a drilling permit, completes a well or reports first production. Free with an account.
A paper from this company
A division order, a lease, a buyout offer or a letter: upload it and we say what it is, what it asks and which terms deserve a question.
FAQ
Questions people ask
Who is South Texas Operating Company?
The Railroad Commission lists South Texas Operating Company as operator number 802845, P-5 active, in San Antonio, TX. Its leases reported 29,680 barrels of oil and 0 mcf of gas in the last twelve months.
Is South Texas Operating Company a registered business in Texas?
The Comptroller's franchise tax file lists a business entity that matches the company: SOUTH TEXAS OPERATING COMPANY, a texas profit corporation, Secretary of State status Active, right to transact business in Texas: Active. Confirm it in the Secretary of State's business search.
How much oil and gas did South Texas Operating Company report?
In the last twelve months the leases South Texas Operating Company operates reported 29,680 barrels of oil and 0 mcf of gas to the Railroad Commission, through July 1, 2026. It has 25 leases on the state record, 14 with production in that time.
I got a letter or an offer from South Texas Operating Company: what should I do?
Do not sign or call yet. Keep every page and the envelope, compare the paper with your deed, lease and last statements, and answer in writing. You can upload the letter to have it read: it says what kind of paper it is, what it asks, and which terms deserve a question, quoting the words they come from.
Where does this page's information come from, and how current is it?
The record is the Railroad Commission's P-5 Organization Report file, dated September 22, 2026. The entity is the Comptroller's franchise tax file. Production, permits and leases are the Commission's own reports. The page shows no rating and no opinion.
Related
Keep going
- Texas dataTexas oil and gas companiesOperators and buyers: the state's record, permits, leases, production.
- HelpI got a letter from an oil companyUpload it. We say what it is, what it asks and what to look at.
- ToolTexas well watchPermit, completion, first production and when the first check is due.
- Texas dataTexas operator changesWho took over whose leases in the last 24 months.
- CheckCheck my statementUpload a stub. Every month against the state record.
- HelpTexas division ordersWhat you may sign, what you may refuse, what to check.
Sources
Primary sources, opened on 29 September 2026. Statute text is the current version on statutes.capitol.texas.gov.