Texas operator · P-5 333641
Grewing, Herman Operating, Inc.
Facts and their sources. No rating, no opinion.
The record
What the state's files show about Grewing, Herman Operating, Inc.
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
- GREWING, HERMAN OPERATING, INC.
- Operator number (P-5)
- 333641
- P-5 status
- Active
- Organization type
- Corporation
- Location
- Muenster, TX
- Mailing city
- Muenster, TX
- Activities filed
- Oil Operator
- Last P-5 received
- April 2, 2026
- Record built
- May 29, 1997
- Refiling required
- Yes
Source: Railroad Commission of Texas, P-5 Organization Report data set, as of September 22, 2026.
Production
What the state's reports show
- Oil, last 12 months
- 2,660 barrels
- Down 1.8% from the 12 months before
- Gas, last 12 months
- 0 mcf
Oil reported each month, in barrels
- Jul 2026260
- Jun 2026221
- May 2026237
- Apr 2026259
- Mar 2026191
- Feb 2026161
- Jan 2026160
- Dec 2025205
- Nov 2025239
- Oct 2025265
- Sep 2025234
- Aug 2025228
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
8 leases on the state record, 7 with production in the last twelve months. The largest by production:
- LukeCooke County · 1,011 bbl of oil
- Kleiss -B-Cooke County · 683 bbl of oil
- Koelzer -A-Cooke County · 590 bbl of oil
- MaberryCooke County · 167 bbl of oil
- Kleiss -A-Cooke County · 109 bbl of oil
- M-K-TCooke County · 88 bbl of oil
- Kleiss JointCooke County · 12 bbl of oil
- WellesleyCooke County · nothing reported in 12 months
Use it
Follow this company, or check a paper it sent you
New permits and production
One email a week when Grewing, Herman Operating, Inc. 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 Grewing, Herman Operating, Inc.?
The Railroad Commission lists Grewing, Herman Operating, Inc. as operator number 333641, P-5 active, in Muenster, TX. Its leases reported 2,660 barrels of oil and 0 mcf of gas in the last twelve months.
How much oil and gas did Grewing, Herman Operating, Inc. report?
In the last twelve months the leases Grewing, Herman Operating, Inc. operates reported 2,660 barrels of oil and 0 mcf of gas to the Railroad Commission, through July 1, 2026. It has 8 leases on the state record, 7 with production in that time.
I got a letter or an offer from Grewing, Herman Operating, Inc.: 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
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- 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.