OPERATORS · RRC 433142 · P-5 STATUS Y
JO Mill Oil Company LLC
Fort Worth, TX
Watch this operatorJO Mill Oil Company LLC has filed no drilling permits in the past 12 months.
The RRC wellbore file lists 728 wells under its operatorship (197 producing, 77 shut in).
Lease reports credit it with 767K barrels of oil and 188K mcf of gas in the 12 months reported through April 2026, up 1% on the year before.
It holds 187 active disposal or injection permits, injecting 16.6M barrels in the 12 months reported through June 2025.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 197
- producing wells, of 728 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 →
- 767K
- bbl oil, last 12 reported months
- +1%
- vs the 12 months before
- 188K
- mcf gas incl. casinghead, last 12
- 4.35M
- bbl oil since reporting began
Oil, barrels
Last 12 months 766,872 · prior 12 761,510(+1%)
Gas, mcf
Last 12 months 187,841 · prior 12 187,061(+0%)
Beyond the permit record
RRC wellbore file
Wells of record
- 728
- on the schedule
- 197
- producing
- 77
- shut in
- 92
- injection
- 0
- temp. abandoned
- 232
- plugged
How it got them
- 0
- permitted itself
- 386
- 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 →
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 187
- active UIC permits of 209
- 317K
- permitted bbl/day, active
- 16.6M
- bbl injected, last 12 reported months
- Jun 2025
- reported through
Permitted volume is a ceiling, not throughput. How to read it →
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 |
|---|---|---|
| JO-Mill (Spraberry)46564750 | 555 | 168 |
| Spraberry Deep85282001 | 56 | 4 |
| Spraberry Deep (Spraberry Lo.)85282500 | 55 | 18 |
| Spraberry85281001 | 33 | 4 |
| Spraberry W. (Deep Spraberry)85292450 | 28 | 3 |
| Spraberry West (Penn.)85292750 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed May 4, 2026
- Oil operator
- Address
- 6608 Bryant Irvin Road
- Fort Worth, TX 76132
- (682) 715-5794
- Officers and agents
- CT Corporation System · Texas Resident Agent
- Simpson, David Lane · Ceo
- Reynolds, Hubert Brad · President
- Simpson-Darr, April Diane · Secretary,vice President
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 828228 | Jun 30, 2017 | Jun 30, 2017 | Chevron U. S. A. Inc. | Borden | JO-Mill Unit #5447WS | 1,500 | 03331942 |
| 744471 | Aug 9, 2012 | Aug 9, 2012 | Chevron U. S. A. Inc. | Borden | JO-Mill Unit #7312 | 7,600 | 03332229 |
| 744297 | Aug 8, 2012 | Aug 8, 2012 | Chevron U. S. A. Inc. | Borden | JO-Mill Unit #6245 | 7,700 | 03332230 |
| 744373 | Jul 31, 2012 | Jul 31, 2012 | Chevron U. S. A. Inc. | Borden | JO-Mill Unit #7342 | 7,600 | 03332228 |
| 744371 | Jul 31, 2012 | Jul 31, 2012 | Chevron U. S. A. Inc. | Borden | JO-Mill Unit #7336 | 7,650 | 03332227 |
| 744371 | Jul 31, 2012 | Jul 31, 2012 | Chevron U. S. A. Inc. | Borden | JO-Mill Unit #7336 | 7,650 | 03332227 |
| 744368 | Jul 31, 2012 | Jul 31, 2012 | Chevron U. S. A. Inc. | Borden | JO-Mill Unit #7332 | 7,600 | 03332226 |
| 744315 | Jul 31, 2012 | Jul 31, 2012 | Chevron U. S. A. Inc. | Borden | JO-Mill Unit #7326 | 7,650 | 03332225 |
| 744304 | Jul 31, 2012 | Jul 31, 2012 | Chevron U. S. A. Inc. | Borden | JO-Mill Unit #7235 | 7,750 | 03332224 |
| 744301 | Jul 31, 2012 | Jul 31, 2012 | Chevron U. S. A. Inc. | Borden | JO-Mill Unit #7225 | 7,700 | 03332223 |
| 744300 | Jul 31, 2012 | Jul 31, 2012 | Chevron U. S. A. Inc. | Borden | JO-Mill Unit #7218 | 7,800 | 03332222 |
| 704441 | Nov 22, 2010 | Nov 22, 2010 | Chevron U. S. A. Inc. | Dawson | Robinson, J. H. 'A' #22 | 7,500 | 11532444 |
| 703167 | Oct 12, 2010 | Oct 12, 2010 | Chevron U. S. A. Inc. | Borden | JO-Mill Unit #5225HH | 7,494 | 03331794 |
| 703160 | Oct 12, 2010 | Oct 12, 2010 | Chevron U. S. A. Inc. | Borden | JO-Mill Unit #5220HH | 7,557 | 03331811 |
| 703099 | Oct 8, 2010 | Oct 8, 2010 | Chevron U. S. A. Inc. | Borden | JO-Mill Unit #1224HH | 7,540 | 03301074 |
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/433142, documented in the API reference.