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Royalty Clerk

Texas operator · P-5 902609

WB Mullin Operating LLC

The Railroad Commission lists WB Mullin Operating LLC as operator number 902609, P-5 active, in Graham, TX. Its leases reported 10,104 barrels of oil and 36,033 mcf of gas in the last twelve months.
The state recordGot a letter from them?

Facts and their sources. No rating, no opinion.

The record

What the state's files show about WB Mullin 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
WB MULLIN OPERATING LLC
Operator number (P-5)
902609
P-5 status
active
Organization type
Limited liability company (code not in the RRC's 2014 layout; inferred from the names)
Location
Graham, TX
Mailing city
Graham, TX
Activities filed
Gas Operator, Oil Operator
Last P-5 received
October 27, 2025
Record built
October 20, 2011
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
WB MULLIN OPERATING LLC
Taxpayer number
32045023481
Entity type
Texas limited liability company
Secretary of State file number
0801476961
Secretary of State status
Active (September 7, 2011)
Right to transact business in Texas
Active
Formed
September 7, 2011
Formed in
TX
Mailing city
Graham, 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 0801476961), Comptroller account status.

Production

What the state's reports show

Oil, last 12 months
10,104 barrels
Up 19% from the 12 months before
Gas, last 12 months
36,033 mcf
Down 33% from the 12 months before

Oil reported each month, in barrels

  • Jul 2026464
  • Jun 2026994
  • May 2026739
  • Apr 2026622
  • Mar 2026917
  • Feb 2026973
  • Jan 2026838
  • Dec 2025925
  • Nov 2025904
  • Oct 2025873
  • Sep 2025910
  • Aug 2025945

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

34 leases on the state record, 28 with production in the last twelve months. The largest by production:

Operator changes

Leases this company took over or handed over

33 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 Graham, Malcolm, Young CountyMay 2025 · to Stovall Operating Co.
  • Took over Serendipity Unit, Young CountyJul 2023 · from Drake Petroleum, LLC
  • Took over Graham, N. K. 2911, Young CountyJul 2023 · from Drake Petroleum, LLC
  • Took over Stephens D, Palo Pinto CountyMar 2022 · from Stephens Energy Corp.
  • Took over Hart Cattle Company, Palo Pinto CountyMar 2022 · from Stephens Energy Corp.
  • Took over Stephens, Palo Pinto CountyMar 2022 · from Stephens Energy Corp.
  • Took over Stephens "C", Palo Pinto CountyMar 2022 · from Stephens Energy Corp.
  • Took over Stephens "A", Palo Pinto CountyMar 2022 · from Stephens Energy Corp.
  • Took over Rider, John C., Jack CountyJan 2022 · from Stephens Energy Corp.
  • Took over Rider, John C., Jack CountyJan 2022 · from Stephens Energy Corp.
  • Took over Rider, John A., Jack CountyJan 2022 · from Stephens Energy Corp.
  • Took over Rider, Mineola, Jack CountyJan 2022 · from Stephens Energy Corp.

Use it

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New permits and production

One email a week when WB Mullin Operating LLC files a drilling permit, completes a well or reports first production. Free with an account.

Leases, counties and fields for WB Mullin Operating LLC

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.

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FAQ

Questions people ask

Who is WB Mullin Operating LLC?

The Railroad Commission lists WB Mullin Operating LLC as operator number 902609, P-5 active, in Graham, TX. Its leases reported 10,104 barrels of oil and 36,033 mcf of gas in the last twelve months.

Is WB Mullin Operating LLC a registered business in Texas?

The Comptroller's franchise tax file lists a business entity that matches the company: WB MULLIN 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 WB Mullin Operating LLC report?

In the last twelve months the leases WB Mullin Operating LLC operates reported 10,104 barrels of oil and 36,033 mcf of gas to the Railroad Commission, through July 1, 2026. It has 34 leases on the state record, 28 with production in that time.

I got a letter or an offer from WB Mullin 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.

Upload the letter

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

Sources

Primary sources, opened on 29 September 2026. Statute text is the current version on statutes.capitol.texas.gov.