Texas operator · P-5 139634
Castillo Oil Company LLC
Facts and their sources. No rating, no opinion.
The record
What the state's files show about Castillo Oil Company 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
- CASTILLO OIL COMPANY LLC
- Operator number (P-5)
- 139634
- P-5 status
- Active
- Organization type
- Limited liability company (code not in the RRC's 2014 layout; inferred from the names)
- Location
- Luling, TX
- Mailing city
- Luling, TX
- Activities filed
- Oil Operator
- Last P-5 received
- August 6, 2026
- Record built
- May 8, 2007
- Refiling required
- Yes
Source: Railroad Commission of Texas, P-5 Organization Report data set, as of September 22, 2026.
Owner relations
How to reach Castillo Oil Company LLC as an owner
Not checked yet
We have not checked Castillo Oil Company 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
- CASTILLO OIL COMPANY LLC
- Taxpayer number
- 14121261987
- Entity type
- Texas limited liability company
- Secretary of State file number
- 0800788130
- Secretary of State status
- Active (March 14, 2007)
- Right to transact business in Texas
- Active
- Formed
- March 14, 2007
- Formed in
- TX
- Mailing city
- Luling, 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 0800788130), Comptroller account status.
Production
What the state's reports show
- Oil, last 12 months
- 5,998 barrels
- Down 20% from the 12 months before
- Gas, last 12 months
- 0 mcf
Oil reported each month, in barrels
- Jul 2026494
- Jun 2026483
- May 2026443
- Apr 2026558
- Mar 2026530
- Feb 2026553
- Jan 2026471
- Dec 2025586
- Nov 2025465
- Oct 2025485
- Sep 2025464
- Aug 2025466
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
22 leases on the state record, 19 with production in the last twelve months. The largest by production:
- Blackwell, RaymondCaldwell County · 812 bbl of oil
- Leyendecker, R. F.Caldwell County · 663 bbl of oil
- Caldwell CountyCaldwell County · 618 bbl of oil
- RobertsonCaldwell County · 479 bbl of oil
- Koehler, Frank -C-Caldwell County · 461 bbl of oil
- Callihan, W. M. -A-Caldwell County · 434 bbl of oil
- Koehler, Frank -B-Caldwell County · 378 bbl of oil
- Koehler, FrankCaldwell County · 335 bbl of oil
- Sun Mark ExplorationCaldwell County · 275 bbl of oil
- Koehler, Frank -A-Caldwell County · 275 bbl of oil
- Hemme MetcalfeCaldwell County · 258 bbl of oil
- HJ Hemme Et Al.Caldwell County · 213 bbl of oil
- Callihan, W. M. -C-Caldwell County · 149 bbl of oil
- Brawley, F.Caldwell County · 148 bbl of oil
- Fletcher UnitCaldwell County · 141 bbl of oil
- Moses, C.v.Caldwell County · 136 bbl of oil
- MonarchCaldwell County · 88 bbl of oil
- Luling Unit #8Caldwell County · 79 bbl of oil
- DukeCaldwell County · 56 bbl of oil
- Roberts, Jesse I.Wilson County · nothing reported in 12 months
- Dowell, Luling Unit #6Caldwell County · nothing reported in 12 months
- WilliamsCaldwell County · nothing reported in 12 months
Operator changes
Leases this company took over or handed over
2 taken over and 9 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.
- Took over Leyendecker, R. F., Caldwell CountyNov 2021 · from LTX Oil Company, L.L.C.
- Took over Blackwell, Raymond, Caldwell CountyNov 2021 · from LTX Oil Company, L.L.C.
- Handed over Conley "B", Caldwell CountyAug 2021 · to Jupiter Energy LLC
- Handed over Luling Unit #2, Caldwell CountyAug 2021 · to Jupiter Energy LLC
- Handed over Cain, J. D., Caldwell CountyAug 2021 · to Jupiter Energy LLC
- Handed over Conley, Caldwell CountyAug 2021 · to Jupiter Energy LLC
- Handed over Luling Unit #5, Caldwell CountyAug 2021 · to Jupiter Energy LLC
- Handed over Luling Unit #4, Caldwell CountyAug 2021 · to Jupiter Energy LLC
- Handed over Luling Unit #3, Caldwell CountyAug 2021 · to Jupiter Energy LLC
- Handed over Conley -C-, Caldwell CountyAug 2021 · to Jupiter Energy LLC
- Handed over Conley -CC-, Caldwell CountyAug 2021 · to Jupiter Energy LLC
Use it
Follow this company, or check a paper it sent you
New permits and production
One email a week when Castillo Oil Company 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 Castillo Oil Company LLC?
The Railroad Commission lists Castillo Oil Company LLC as operator number 139634, P-5 active, in Luling, TX. Its leases reported 5,998 barrels of oil and 0 mcf of gas in the last twelve months.
Is Castillo Oil Company LLC a registered business in Texas?
The Comptroller's franchise tax file lists a business entity that matches the company: CASTILLO OIL COMPANY 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 Castillo Oil Company LLC report?
In the last twelve months the leases Castillo Oil Company LLC operates reported 5,998 barrels of oil and 0 mcf of gas to the Railroad Commission, through July 1, 2026. It has 22 leases on the state record, 19 with production in that time.
I got a letter or an offer from Castillo Oil Company 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.