OPERATORS · RRC 183345 · P-5 STATUS Y
Cox & Perkins Expl, Inc
Houston, TX
Watch this operatorCox & Perkins Expl, Inc has filed no drilling permits in the past 12 months; its most recent permit was issued August 8, 2011.
The RRC wellbore file lists 116 wells under its operatorship.
306 drilling permits have been issued to this operator number since 1979; its P-5 organization report was last filed November 2, 2012.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 116 of record
- 150
- 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.
- 59%
- spud rate · 182 of 306 mature permits
- 12
- median days permit to spud · middle half 8–25
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 124
- expired undrilled
- 10
- permits a year over 32 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 |
|---|---|---|---|---|
| Wharton county → | — | 122 | 37 | Aug 8, 2011 |
| Jackson county → | — | 66 | 27 | May 13, 2010 |
| Colorado county → | — | 33 | 13 | May 14, 2003 |
| Burleson county → | — | 32 | 14 | Aug 17, 1999 |
| Gonzales county → | — | 9 | 1 | May 6, 1992 |
| Duval county → | — | 8 | 1 | May 2, 1990 |
| Lavaca county → | — | 7 | 2 | Aug 13, 2008 |
| Dimmit county → | — | 5 | 2 | Jun 2, 1992 |
| Chambers county → | — | 3 | 1 | Mar 15, 1990 |
| Harris county → | — | 3 | 0 | Apr 14, 1998 |
| Jim Hogg county → | — | 3 | 7 | Dec 1, 1987 |
| Jim Wells county → | — | 3 | 0 | Jul 3, 1989 |
| Orange county → | — | 3 | 0 | Aug 15, 1996 |
| Galveston county → | — | 2 | 0 | Mar 18, 1987 |
| San Patricio county → | — | 2 | 2 | Nov 29, 1989 |
| Zapata county → | — | 2 | 0 | Jul 24, 1995 |
| Fayette county → | — | 1 | 6 | Mar 1, 1993 |
| Hardin county → | — | 1 | 0 | Dec 14, 2007 |
| Live Oak county → | — | 1 | 1 | Dec 17, 1990 |
All 306 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 |
|---|---|---|
| Yegua | 57 | 0 |
| Frio | 48 | 0 |
| Vicksburg | 22 | 0 |
| Catahoula | 20 | 0 |
| Austin Chalk | 18 | 0 |
| Jackson | 17 | 0 |
| Greta | 13 | 0 |
| Wilcox | 8 | 0 |
| Miocene (undifferentiated) | 6 | 0 |
| Eagle Ford | 5 | 0 |
| Pecan Gap | 4 | 0 |
| Queen City | 4 | 0 |
| Georgetown | 2 | 0 |
| Del Rio | 2 | 0 |
| Cook Mountain | 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
- 1.87M
- 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
- 116
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 114
- plugged
How it got them
- 85
- permitted itself
- 31
- acquired from others
- 72
- 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 1
- 0
- permitted bbl/day, active
- 0
- bbl injected, last 12 reported months
- Jun 2025
- reported through
By county
| Jackson | 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 | 234 |
| Recompletion | 0 | 0 | 68 |
| Other | 0 | 0 | 3 |
| 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 |
|---|---|---|
| Caldwell (Austin Chalk)14710500 | 14 | 0 |
| Mestena Grande (Queen City E.)60823502 | 6 | 0 |
| EL Campo NE (Yegua)27927600 | 5 | 0 |
| Gracey Ranch (Yegua 6850)36241495 | 5 | 0 |
| Giddings (Austin Chalk-3)34733500 | 5 | 0 |
| Carmichael (3850)15731580 | 3 | 0 |
| Arroyo Rojo (Frio 5020)3947240 | 3 | 0 |
| Lost Bridge (Yegua 10 700)55026924 | 2 | 0 |
| Gresham (9700)36851800 | 2 | 0 |
| Lost Bridge (Yegua 8700)55026775 | 2 | 0 |
| Bright Falcon (Yegua 9600)11957700 | 2 | 0 |
| Gracey Ranch (Wilcox 9700)36241475 | 2 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Nov 2, 2012
- Address
- 5847 San Felipe Suite 2575
- Houston, TX 77057
- (713) 783-7880
- Officers and agents
- Cox, Jerry S. · President
- Perkins, Richard D. · Vice President
- Arrington, Gary L. · Vice President
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
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/183345, documented in the API reference.