OPERATORS · RRC 158300 · P-5 STATUS Y
Clausen, A. G
Cross Plains, TX · most active in Callahan County
Watch this operatorClausen, A. G was issued 1 drilling permit in the past 12 months, versus 1 in the prior year, all in Callahan County. 0% were horizontal.
None were issued in the past 90 days.
The RRC wellbore file lists 57 wells under its operatorship (25 producing, 3 shut in).
Lease reports credit it with 485 barrels of oil and 0 mcf of gas in the 12 months reported through April 2026.
It holds 5 active disposal or injection permits, injecting 1.34K barrels in the 12 months reported through June 2025.
4 drilling permits have been issued to this operator number since 2007; its P-5 organization report was last filed December 4, 2025.
- 1
- permits, last 12 months
- +0%
- vs prior 12 months (1)
- 1
- counties, 12 months
- 25
- producing wells, of 57 of record
- 8
- leases it reports
- 0%
- horizontal, 12 months
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026
Permits issued by month
LAST 2 MONTHS · BY ISSUE DATE
Last 12 months 2
Where
Counties by permits in the last 12 months, with all-time permits and current wells of record there.
All 4 permits, searchable → · Leases it reports → · On the map →
Formations in its completed wells
Tops reported on completion filings for wells it operates. RRC wellbore file. About tops →
| Formation | Wells | Permitted last 3 yrs |
|---|---|---|
| Tannehill | 1 | 0 |
Production by month
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Barrels on leases where this operator filed the production report. Lease-level by design; the latest months are revised upward as late reports arrive. How production is reported →
- 485
- bbl oil, last 12 reported months
- —
- vs the 12 months before
- 0
- mcf gas incl. casinghead, last 12
- 10.3K
- bbl oil since reporting began
Oil, barrels
Last 12 months 485 · prior 12 786(-38%)
Beyond the permit record
RRC wellbore file
Wells of record
- 57
- on the schedule
- 25
- producing
- 3
- shut in
- 4
- injection
- 0
- temp. abandoned
- 20
- plugged
How it got them
- 1
- permitted itself
- 29
- acquired from others
- 3
- permitted, now run by others
Acquired means the well's permit names a different operator than the schedule does today. Transfers and operator numbers →
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 5
- active UIC permits of 10
- 415
- permitted bbl/day, active
- 1.34K
- bbl injected, last 12 reported months
- Jun 2025
- reported through
By county
| Callahan | 5 active | 415 bbl/d |
Permitted volume is a ceiling, not throughput. How to read it →
Permit types
Last 12 months against the prior 12, and all time. A type opens the permit history filtered to it. What the types mean →
Fields
RRC regulatory fields with the most wells of record under this operator. The field opens its page; the count opens this operator's wells in it.
| Field | Wells | Producing |
|---|---|---|
| Wagley (Tannehill Sand)94606500 | 34 | 16 |
| Callahan County Regular14820001 | 23 | 9 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Dec 4, 2025
- Oil operator
- Address
- P O Box 416
- Cross Plains, TX 76443
- (325) 260-6525
- Officers and agents
- Carlson, Levi · Filing Agent
- Clausen, Alwyn G. · Sole Proprietor
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 911975 | Dec 5, 2025 | Dec 5, 2025 | Clausen, A. G. | Callahan | Stacy, F.W. #10 | 1,000 | 05937206 |
| 909832 | Aug 15, 2025 | Aug 15, 2025 | Clausen, A. G. | Callahan | Stacy, F.W. #9 | 1,000 | 05937205 |
| 864306 | Jul 22, 2020 | Jul 22, 2020 | Clausen, A. G. | Callahan | Ames, R.C. -A- #10 | 500 | 05937164 |
| 642525 | Aug 28, 2007 | Aug 28, 2007 | Clausen, A. G. | Callahan | Stacy, F. W. #8 | 1,000 | 05936742 |
| 455505 | Nov 22, 1996 | Nov 22, 1996 | A.E.N. Energy | Callahan | Isenhower, Cathy #16 | 500 | 05936431 |
| 447523 | Apr 30, 1996 | Apr 30, 1996 | J R Investments | Callahan | Isenhower, John D. #2B | 1,000 | 05936405 |
| 416872 | Oct 11, 1993 | Oct 11, 1993 | Hounshell, Bill | Callahan | Isenhower, John D. "B" #1 | 1,000 | 05936325 |
| 408294 | Feb 1, 1993 | Feb 1, 1993 | A.E.N. Energy, Inc. | Callahan | Isenhower, Cathy #14 | 500 | 05936271 |
| 408225 | Jan 22, 1993 | Jan 22, 1993 | A.E.N. Energy, Inc. | Callahan | Isenhower, Cathy #15 | 500 | 05936270 |
| 394211 | Nov 27, 1991 | Nov 27, 1991 | Fishtail Trading Co | Callahan | Wagley, Z. C. -B- #2 W | 375 | 05936215 |
| 352809 | Oct 28, 1988 | Oct 28, 1988 | Miller, Rex M | Callahan | Wagley, Z. C. "A" #16 | 308 | 05935955 |
| 344724 | Apr 6, 1988 | Apr 6, 1988 | Riffe, K. B. | Callahan | Isenhower, John D. #9 | 600 | 05935876 |
| 323561 | Nov 26, 1986 | Nov 26, 1986 | A.E.N. Energy, Inc. | Callahan | Isenhower, Cathy #12 | 500 | 05935691 |
| 323560 | Nov 26, 1986 | Nov 26, 1986 | A.E.N. Energy, Inc. | Callahan | Isenhower, Cathy #11 | 500 | 05935692 |
| 284250 | Sep 4, 1985 | Sep 4, 1985 | A.E.N. Energy, Inc. | Callahan | Isenhower, Cathy #10 | 500 | 05935426 |
About this data
Registration from the RRC P-5 organization report, refreshed weekly. Permits from the OGA049M master and daily daf420 files; wells of record from the EWA wellbore schedule; production from PDQ lease reports at the last vintage; disposal from UIC permits and H-10 reports. Summary figures are rebuilt nightly.
Developers: this page as JSON is GET /v1/data/operators/tx/158300, documented in the API reference.