Texas operator · P-5 069510
Big Mountain Operating LLC
Facts and their sources. No rating, no opinion.
The record
What the state's files show about Big Mountain Operating LLC
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
- BIG MOUNTAIN OPERATING LLC
- Operator number (P-5)
- 069510
- P-5 status
- Active
- Organization type
- Limited liability company (code not in the RRC's 2014 layout; inferred from the names)
- Location
- Decatur, TX
- Mailing city
- Decatur, TX
- Activities filed
- Oil Operator
- Last P-5 received
- April 22, 2026
- Record built
- September 12, 2018
- Inactive since
- September 1, 2022
- Refiling required
- Yes
Source: Railroad Commission of Texas, P-5 Organization Report data set, as of September 22, 2026.
Owner relations
How to reach Big Mountain Operating LLC as an owner
Not checked yet
We have not checked Big Mountain Operating LLC’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
- BIG MOUNTAIN OPERATING LLC
- Taxpayer number
- 32068294217
- Entity type
- Texas limited liability company
- Secretary of State file number
- 0803112032
- Secretary of State status
- Active (September 6, 2018)
- Right to transact business in Texas
- Active
- Formed
- September 6, 2018
- Formed in
- TX
- Mailing city
- Decatur, 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 0803112032), Comptroller account status.
Production
What the state's reports show
- Oil, last 12 months
- 15,241 barrels
- Gas, last 12 months
- 84,017 mcf
Oil reported each month, in barrels
- Jul 20262,548
- Jun 2026632
- May 20261,197
- Apr 20261,638
- Mar 20263,654
- Feb 20261,565
- Jan 20261,525
- Sep 20200
- Aug 20200
- Jul 20201,050
- Jun 2020795
- May 2020637
Source: Railroad Commission of Texas, production data query, as of July 1, 2026.
Drilling permits
Permits filed with the state
4 drilling permits in the last three years: 1 in 2024, 1 in 2025, 2 in 2026. A permit is permission to drill. It is not a well.
| Issued | Lease, county and type |
|---|---|
| 2026-09-04 | CUNNINGHAM #1Callahan County · Vertical |
| 2026-03-24 | TIMBERWOLF #1Gaines County · Vertical |
| 2025-10-22 | RED WOLF #1Gaines County · Vertical |
| 2024-12-31 | GREY WOLF #1Gaines County · Vertical |
Source: Railroad Commission of Texas, drilling permit records.
Leases
Leases this company operates
6 leases on the state record, 1 with production in the last twelve months. The largest by production:
- Red WolfGaines County · 12,759 bbl of oil
- Ashe BcdeWise County · nothing reported in 12 months
- Tarrant EWise County · nothing reported in 12 months
- Tarrant AJack County · nothing reported in 12 months
- Ashe BcdeWise County · nothing reported in 12 months
- Tarrant EWise County · nothing reported in 12 months
Operator changes
Leases this company took over or handed over
0 taken over and 68 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 Tarrant "B", Jack CountyAug 2020 · to Everest Energy LLC
- Handed over Tarrant "A", Jack CountyAug 2020 · to Everest Energy LLC
- Handed over Ashe "A", Wise CountyAug 2020 · to Everest Energy LLC
- Handed over Slay, Wise CountyAug 2020 · to Everest Energy LLC
- Handed over Davenport "B", Wise CountyAug 2020 · to Everest Energy LLC
- Handed over Sealy "B", Wise CountyAug 2020 · to Everest Energy LLC
- Handed over Slay, Wise CountyAug 2020 · to Everest Energy LLC
- Handed over Tarrant E, Wise CountyAug 2020 · to Everest Energy LLC
- Handed over Tarrant "B", Jack CountyAug 2020 · to Everest Energy LLC
- Handed over Ashe "A", Wise CountyAug 2020 · to Everest Energy LLC
- Handed over Tarrant "E", Wise CountyAug 2020 · to Everest Energy LLC
- Handed over North of Paradise, Wise CountyAug 2020 · to Everest Energy LLC
Use it
Follow this company, or check a paper it sent you
New permits and production
One email a week when Big Mountain Operating LLC 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 Big Mountain Operating LLC?
The Railroad Commission lists Big Mountain Operating LLC as operator number 069510, P-5 active, in Decatur, TX. Its leases reported 15,241 barrels of oil and 84,017 mcf of gas in the last twelve months.
Is Big Mountain Operating LLC a registered business in Texas?
The Comptroller's franchise tax file lists a business entity that matches the company: BIG MOUNTAIN OPERATING LLC, a texas limited liability company, 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 Big Mountain Operating LLC report?
In the last twelve months the leases Big Mountain Operating LLC operates reported 15,241 barrels of oil and 84,017 mcf of gas to the Railroad Commission, through July 1, 2026. It has 6 leases on the state record, 1 with production in that time.
How many drilling permits has Big Mountain Operating LLC filed?
4 drilling permits in the last three years in the permit feed this site reads. A permit is permission to drill, not a well: many are never drilled.
I got a letter or an offer from Big Mountain Operating LLC: 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.