OPERATORS · RRC 100709 · P-5 STATUS Y
Calfas Cattle & Oil, LLC
San Antonio, TX
Watch this operatorCalfas Cattle & Oil, LLC has filed no drilling permits in the past 12 months.
The RRC wellbore file lists 116 wells under its operatorship (73 producing).
Lease reports credit it with 2.98K barrels of oil and 0 mcf of gas in the 12 months reported through April 2026, down 12% on the year before.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 73
- producing wells, of 116 of record
- 15
- leases it reports
- —
- horizontal, 12 months
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026
Where
No permits on file under this operator number. Counties of its wells of record, from the RRC wellbore file.
All 0 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 |
|---|---|---|
| No completion tops on file. | ||
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 →
- 2.98K
- bbl oil, last 12 reported months
- -12%
- vs the 12 months before
- 0
- mcf gas incl. casinghead, last 12
- 10.2K
- bbl oil since reporting began
Oil, barrels
Last 12 months 2,980 · prior 12 3,382(-12%)
Beyond the permit record
RRC wellbore file
Wells of record
- 116
- on the schedule
- 73
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 39
- plugged
How it got them
- 0
- permitted itself
- 101
- acquired from others
- 0
- permitted, now run by others
Acquired means the well's permit names a different operator than the schedule does today. Transfers and operator numbers →
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 |
|---|---|---|
| Taylor-Ina88534001 | 59 | 31 |
| Chicon Lake17668001 | 31 | 22 |
| Fairfield30007001 | 13 | 13 |
| Somerset84560001 | 13 | 7 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Jul 4, 2026
- Oil operator
- Address
- 110 Broadway Street Suite 190
- San Antonio, TX 78205
- (210) 244-3337
- Officers and agents
- Calfas, Neil · Texas Resident Agent
- Calfas, Neil · Member,owner
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 859138 | Nov 20, 2019 | Nov 20, 2019 | Civron Petroleum Res., LLC | Medina | Young #6 | 1,600 | 32534249 |
| 853399 | May 24, 2019 | May 24, 2019 | Civron Petroleum Res., LLC | Medina | Tom Chaney Fee #7 | 1,550 | 32534241 |
| 847772 | Dec 31, 2018 | Dec 31, 2018 | Civron Petroleum Res., LLC | Medina | Tom Chaney Fee #6 | 1,550 | 32534235 |
| 787195 | Jun 13, 2014 | Jun 13, 2014 | Proex Energy Management, L.L.C. | Medina | Young #4 | 1,600 | 32534083 |
| 787192 | Jun 13, 2014 | Jun 13, 2014 | Proex Energy Management, L.L.C. | Medina | Young #3 | 1,600 | 32534086 |
| 787183 | Jun 13, 2014 | Jun 13, 2014 | Proex Energy Management, L.L.C. | Medina | Young #2 | 1,600 | 32534081 |
| 787053 | Jun 13, 2014 | Jun 13, 2014 | Proex Energy Management, L.L.C. | Medina | Young #1 | 1,600 | 32534082 |
| 382764 | Dec 28, 1990 | Dec 28, 1990 | Chaney, Tom | Medina | Chaney, Tom Fee #5 | 1,500 | 32533544 |
| 376174 | Aug 8, 1990 | Aug 8, 1990 | Chaney, Tom | Medina | Chaney, Tom Fee #4 | 1,500 | 32533538 |
| 376150 | Aug 1, 1990 | Aug 1, 1990 | Chaney, Tom | Medina | Chaney, Tom Fee #3 | 1,500 | 32533537 |
| 375379 | Jul 11, 1990 | Jul 11, 1990 | Chaney, Tom | Medina | Chaney, Tom Fee #2 | 1,500 | 32533536 |
| 361102 | Jul 7, 1989 | Jul 7, 1989 | Jay-Dee Operating Company | Medina | Bailey, James Jr. #39 | 545 | 32533519 |
| 361101 | Jul 7, 1989 | Jul 7, 1989 | Jay-Dee Operating Company | Medina | Bailey, James Jr. #40 | 550 | 32533520 |
| 304211 | Jul 17, 1986 | Jul 17, 1986 | Dorris Petroleum, Inc. | Bexar | Spears #2 | 1,500 | 02937605 |
| 304209 | Jul 17, 1986 | Jul 17, 1986 | Dorris Petroleum, Inc. | Bexar | Spears #3 | 1,500 | 02937604 |
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/100709, documented in the API reference.