OPERATORS · RRC 184960 · P-5 STATUS Y
Cox, Edwin L
Dallas, TX
Watch this operatorCox, Edwin L has filed no drilling permits in the past 12 months; its most recent permit was issued April 28, 1986.
The RRC wellbore file lists 73 wells under its operatorship.
131 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed January 13, 1987.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 73 of record
- 0
- leases it reports
- —
- horizontal, 12 months
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026
From permit to spud
FROM THE DATES ON ITS W-1 PERMITS · ALL TIME
A permit is a plan, not a well. These figures count only permits old enough to have spudded, six months and more, and read the spud, cancel, and expiry dates the RRC records on each one.
- 34%
- spud rate · 45 of 131 mature permits
- 22
- median days permit to spud · middle half 8–48
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 86
- expired undrilled
- 15
- permits a year over 9 active years
Where
Counties by permits in the last 12 months, with all-time permits and current wells of record there.
| County | 12 mo | All time | Wells | Last |
|---|---|---|---|---|
| Nueces county → | — | 29 | 12 | Apr 28, 1986 |
| San Patricio county → | — | 16 | 11 | Dec 12, 1984 |
| Duval county → | — | 11 | 6 | Mar 24, 1980 |
| Galveston county → | — | 11 | 1 | May 20, 1985 |
| Hidalgo county → | — | 11 | 12 | Mar 20, 1981 |
| DE Witt county → | — | 8 | 1 | Aug 7, 1980 |
| Hemphill county → | — | 7 | 0 | Feb 23, 1984 |
| Jim Hogg county → | — | 4 | 0 | Apr 6, 1978 |
| Live Oak county → | — | 4 | 1 | May 30, 1978 |
| McMullen county → | — | 4 | 1 | Dec 27, 1979 |
| Garza county → | — | 3 | 0 | Apr 4, 1980 |
| Jackson county → | — | 3 | 6 | Mar 6, 1980 |
| Ward county → | — | 3 | 0 | Oct 16, 1980 |
| Brazoria county → | — | 2 | 0 | Apr 25, 1979 |
| Brooks county → | — | 2 | 2 | Jul 23, 1982 |
| Aransas county → | — | 1 | 1 | Jul 25, 1977 |
| Crane county → | — | 1 | 0 | Oct 16, 1980 |
| Dimmit county → | — | 1 | 0 | Dec 2, 1977 |
| Frio county → | — | 1 | 2 | Dec 30, 1977 |
| Goliad county → | — | 1 | 1 | Nov 15, 1977 |
| Grayson county → | — | 1 | 0 | Aug 9, 1978 |
| Hutchinson county → | — | 1 | 1 | Aug 10, 1979 |
| Jefferson county → | — | 1 | 0 | Jan 26, 1979 |
| Lavaca county → | — | 1 | 0 | Dec 3, 1979 |
| Leon county → | — | 1 | 0 | Nov 10, 1978 |
| Liberty county → | — | 1 | 0 | May 18, 1979 |
| Starr county → | — | 1 | 0 | Nov 16, 1977 |
| Stonewall county → | — | 1 | 0 | Jul 14, 1980 |
All 131 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 |
|---|---|---|
| Granite Wash | 2 | 0 |
| Morrow | 2 | 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 →
- 0
- bbl oil, last 12 reported months
- —
- vs the 12 months before
- 0
- mcf gas incl. casinghead, last 12
- 0
- bbl oil since reporting began
No lease production reported under this operator number in the last three years.
Beyond the permit record
RRC wellbore file
Wells of record
- 73
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 41
- plugged
How it got them
- 17
- permitted itself
- 5
- acquired from others
- 32
- 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
- 0
- active UIC permits of 7
- 0
- permitted bbl/day, active
- 0
- bbl injected, last 12 reported months
- Jun 2025
- reported through
By county
| Duval | 0 active | 0 bbl/d |
| Nueces | 0 active | 0 bbl/d |
| Karnes | 0 active | 0 bbl/d |
| San Patricio | 0 active | 0 bbl/d |
| Willacy | 0 active | 0 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 →
| Type | 12 mo | Prior 12 | All time |
|---|---|---|---|
| Drill | 0 | 0 | 75 |
| Recompletion | 0 | 0 | 39 |
| Other | 0 | 0 | 16 |
| Field transfer | 0 | 0 | 1 |
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 |
|---|---|---|
| Texana North (5800)89086840 | 2 | 0 |
| Hoffman41937001 | 2 | 0 |
| LA Jara ( 9 950 Frio)50827426 | 2 | 0 |
| Portland N. (Commonwealth Serie72498560 | 2 | 0 |
| Pearsall (Austin Chalk)69981125 | 2 | 0 |
| Cadiz (2ND Slick Wilcox)14551800 | 2 | 0 |
| Chapman Ranch (6880)17075903 | 2 | 0 |
| Cano-Mexico (5900 Frio Upper)15401111 | 1 | 0 |
| Cage Ranch (9800 Vicksburg)14611900 | 1 | 0 |
| Burnell (Luling)13648132 | 1 | 0 |
| Eben Haben (1900)27400666 | 1 | 0 |
| Dilworth (Buda)24806200 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Jan 13, 1987
- Address
- 3800 1ST Natl BK Bldg
- Dallas, TX 75202
- Officers and agents
- Walker, Roy · Clerk
- Cox, Edwin L. · Operator/Owner
- Bonner, Sid · Manager
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 500600 | Oct 10, 2000 | Oct 10, 2000 | Aurora Resources Corporation | Bee | Borroum, Rosa E. #1 | 7,430 | 02502579 |
| 365951 | Nov 3, 1989 | Nov 3, 1989 | Texas Fuel Company | Hidalgo | McManus #1 | 9,586 | 21501255 |
| 301572 | Apr 28, 1986 | Apr 28, 1986 | Cox, Edwin L. | Nueces | Chapman Ranch #480 | 4,750 | 35530745 |
| 300859 | Apr 9, 1986 | Apr 9, 1986 | Cox, Edwin L. | Nueces | Chapman #7 | 6,271 | 35531212 |
| 300679 | Apr 7, 1986 | Apr 7, 1986 | Cox, Edwin L. & Cox, Berry R. | Nueces | Walker "A" #2 | 6,482 | 35530638 |
| 275749 | May 20, 1985 | May 20, 1985 | Cox, Edwin L. | Galveston | King, Creston #3 | 7,260 | 16730399 |
| 275455 | May 16, 1985 | May 16, 1985 | Cox, Edwin L. | Nueces | Chapman Ranch #6 | 4,850 | 35530728 |
| 273591 | Apr 29, 1985 | Apr 29, 1985 | Cox, Edwin L. & Cox, Berry R. | Nueces | Walker "B" #2 | 6,030 | 35530764 |
| 260621 | Dec 12, 1984 | Dec 12, 1984 | Cox, Edwin L. | San Patricio | Stark #2 | 11,013 | 40930536 |
| 260639 | Dec 6, 1984 | Dec 6, 1984 | Cox, Edwin L. & Cox, Berry R. | Nueces | Walker "B" #2 | 6,000 | 35530764 |
| 256752 | Nov 6, 1984 | Nov 6, 1984 | Cox, Edwin L. | Nueces | Walker "A" #2 | 6,530 | 35530638 |
| 256714 | Nov 2, 1984 | Nov 2, 1984 | Cox, Edwin L. | Nueces | Walker "A" #8 | 6,200 | 35532381 |
| 252695 | Sep 27, 1984 | Sep 27, 1984 | Cox, Edwin L. | Nueces | Walker 'A' #4 | 6,500 | 35530694 |
| 251512 | Sep 14, 1984 | Sep 14, 1984 | Cox, Edwin L. | Nueces | Walker, R. H. #1 | 5,481 | 35530613 |
| 250989 | Sep 11, 1984 | Sep 11, 1984 | Cox, Edwin L. | Nueces | McCullough #1 | 6,500 | 35530629 |
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/184960, documented in the API reference.