Skip to content
Royalty Clerk

Texas operator · P-5 139618

Cass Energy LLC

The Railroad Commission lists Cass Energy LLC as operator number 139618, P-5 active, in Mt Vernon, TX. Its leases reported 8,952 barrels of oil and 0 mcf of gas in the last twelve months.

Facts and their sources. No rating, no opinion.

The record

What the state's files show about Cass Energy 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
CASS ENERGY LLC
Operator number (P-5)
139618
P-5 status
Active
Organization type
Limited liability company (code not in the RRC's 2014 layout; inferred from the names)
Location
Mt Vernon, TX
Mailing city
Mt Vernon, TX
Activities filed
Gas Operator, Oil Operator
Last P-5 received
December 4, 2025
Record built
November 13, 2007
Refiling required
Yes

Source: Railroad Commission of Texas, P-5 Organization Report data set, as of September 22, 2026.

Comptroller and Secretary of State

A possible match in the Comptroller's file

This record matched the company by name and place, not by a number both files share. Check it before relying on it.

Legal name
CASS ENERGY LLC
Taxpayer number
32033788707
Entity type
Foreign limited liability company
Secretary of State file number
0800873952
Secretary of State status
Active (September 20, 2007)
Right to transact business in Texas
Active
Formed
September 20, 2007
Formed in
Outside Texas (the file does not say where)
Mailing city
Dallas, 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 0800873952), Comptroller account status.

Production

What the state's reports show

Oil, last 12 months
8,952 barrels
Down 22.9% from the 12 months before
Gas, last 12 months
0 mcf

Oil reported each month, in barrels

  • Jul 2026602
  • Jun 2026845
  • May 2026615
  • Apr 2026657
  • Mar 2026652
  • Feb 2026847
  • Jan 2026828
  • Dec 2025722
  • Nov 2025720
  • Oct 2025687
  • Sep 20251,067
  • Aug 2025710

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

17 leases on the state record, 11 with production in the last twelve months. The largest by production:

Operator changes

Leases this company took over or handed over

11 taken over and 0 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.

Use it

Follow this company, or check a paper it sent you

New permits and production

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

Leases, counties and fields for Cass Energy 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.

Read a letterCheck a buyout offerCheck a lease offer

FAQ

Questions people ask

Who is Cass Energy LLC?

The Railroad Commission lists Cass Energy LLC as operator number 139618, P-5 active, in Mt Vernon, TX. Its leases reported 8,952 barrels of oil and 0 mcf of gas in the last twelve months.

Is Cass Energy LLC a registered business in Texas?

The Comptroller's franchise tax file lists a possible match by name and place: CASS ENERGY LLC, a foreign limited liability company, Secretary of State status Active, right to transact business in Texas: Active. The match is by name and place, not by a number both files share, so check it before relying on it. Confirm it in the Secretary of State's business search.

How much oil and gas did Cass Energy LLC report?

In the last twelve months the leases Cass Energy LLC operates reported 8,952 barrels of oil and 0 mcf of gas to the Railroad Commission, through July 1, 2026. It has 17 leases on the state record, 11 with production in that time.

I got a letter or an offer from Cass Energy 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.