Texas operator · P-5 531346
Mas Operating Co.
Facts and their sources. No rating, no opinion.
The record
What the state's files show about Mas Operating Co.
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
- MAS OPERATING CO.
- Operator number (P-5)
- 531346
- P-5 status
- active
- Organization type
- Corporation
- Location
- Midland, TX
- Mailing city
- Midland, TX
- Activities filed
- Oil Operator
- Last P-5 received
- May 11, 2026
- Record built
- June 14, 1993
- Refiling required
- Yes
Source: Railroad Commission of Texas, P-5 Organization Report data set, as of September 22, 2026.
Comptroller and Secretary of State
The business entity on file
- Legal name
- MAS OPERATING CO.
- Taxpayer number
- 17524846619
- Entity type
- Texas profit corporation
- Secretary of State file number
- 0127158100
- Secretary of State status
- Active (May 20, 1993)
- Right to transact business in Texas
- Active
- Formed
- May 20, 1993
- Formed in
- TX
- Mailing city
- Midland, 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 0127158100), Comptroller account status.
Production
What the state's reports show
- Oil, last 12 months
- 23,213 barrels
- Down 7.9% from the 12 months before
- Gas, last 12 months
- 231 mcf
- Down 92.2% from the 12 months before
Oil reported each month, in barrels
- Jul 20261,671
- Jun 20261,750
- May 20261,869
- Apr 20262,066
- Mar 20262,099
- Feb 20261,813
- Jan 20261,610
- Dec 20252,088
- Nov 20251,814
- Oct 20252,127
- Sep 20252,157
- Aug 20252,149
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
9 leases on the state record, 9 with production in the last twelve months. The largest by production:
- Hendrick, T. G. -F-Winkler County · 8,498 bbl of oil
- University -K-Crockett County · 3,132 bbl of oil
- Walton, J. B., Tract -B-Winkler County · 2,606 bbl of oil
- Zachary EstateWinkler County · 2,497 bbl of oil
- Leck UnitWinkler County · 1,925 bbl of oil
- Walton, J. B. Tract -A-Winkler County · 1,758 bbl of oil
- JakeWinkler County · 1,415 bbl of oil
- GloydWinkler County · 905 bbl of oil
- DaughertyWinkler County · 477 bbl of oil
Operator changes
Leases this company took over or handed over
0 taken over and 4 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 TXL BM (NCT-C), Reeves CountyMar 2022 · to Q Natural Resources, LLC
- Handed over TXL -BM- (NCT-B), Reeves CountyMar 2022 · to Q Natural Resources, LLC
- Handed over TXL -BM- (NCT-A), Reeves CountyMar 2022 · to Q Natural Resources, LLC
- Handed over Riggs, G., Pecos CountyDec 2021 · to K3 Productions LLC
Use it
Follow this company, or check a paper it sent you
New permits and production
One email a week when Mas Operating Co. 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 Mas Operating Co.?
The Railroad Commission lists Mas Operating Co. as operator number 531346, P-5 active, in Midland, TX. Its leases reported 23,213 barrels of oil and 231 mcf of gas in the last twelve months.
Is Mas Operating Co. a registered business in Texas?
The Comptroller's franchise tax file lists a business entity that matches the company: MAS OPERATING CO., 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 Mas Operating Co. report?
In the last twelve months the leases Mas Operating Co. operates reported 23,213 barrels of oil and 231 mcf of gas to the Railroad Commission, through July 1, 2026. It has 9 leases on the state record, 9 with production in that time.
I got a letter or an offer from Mas Operating Co.: 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.