OPERATORS · RRC 164301 · P-5 STATUS Y
Cockrell Oil Corp
Houston, TX
Watch this operatorCockrell Oil Corp has filed no drilling permits in the past 12 months; its most recent permit was issued July 12, 2000.
The RRC wellbore file lists 18 wells under its operatorship.
64 drilling permits have been issued to this operator number since 1979; its P-5 organization report was last filed July 5, 2002.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 18 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.
- 41%
- spud rate · 26 of 64 mature permits
- 24
- median days permit to spud · middle half 12–50
- 0
- spuds, last 180 days
- 5%
- cancelled · 3 permits
- 35
- expired undrilled
- 3
- permits a year over 21 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 |
|---|---|---|---|---|
| DE Witt county → | — | 10 | 0 | Jun 27, 1984 |
| Matagorda county → | — | 8 | 1 | Oct 1, 1984 |
| Galveston county → | — | 6 | 0 | May 11, 1984 |
| Karnes county → | — | 6 | 1 | Nov 8, 1982 |
| Victoria county → | — | 5 | 1 | Feb 15, 1984 |
| Chambers county → | — | 4 | 0 | May 11, 1984 |
| Fort Bend county → | — | 4 | 0 | Sep 5, 1980 |
| Mustang IS-SB county → | — | 3 | 0 | Dec 7, 1999 |
| Refugio county → | — | 3 | 0 | Jun 22, 1984 |
| Calhoun county → | — | 2 | 0 | Jul 12, 2000 |
| Colorado county → | — | 2 | 0 | Nov 19, 1984 |
| Aransas county → | — | 1 | 1 | Jun 26, 1980 |
| Bowie county → | — | 1 | 0 | Nov 16, 1981 |
| Brazos-LB county → | — | 1 | 0 | Jun 5, 1981 |
| Hidalgo county → | — | 1 | 0 | Feb 3, 1983 |
| Jackson county → | — | 1 | 0 | Aug 6, 1984 |
| Jefferson county → | — | 1 | 0 | Jul 23, 1997 |
| Lavaca county → | — | 1 | 1 | Jun 25, 1981 |
| Liberty county → | — | 1 | 0 | Oct 28, 1983 |
| Mustang IS-LB county → | — | 1 | 0 | Jun 1, 1982 |
| Nueces county → | — | 1 | 0 | Dec 10, 1981 |
| Wharton county → | — | 1 | 0 | Jan 14, 1997 |
All 64 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 | 2 | 0 |
| Frio | 2 | 0 |
| Miocene (undifferentiated) | 1 | 0 |
| Wilcox | 1 | 0 |
| Cook Mountain | 1 | 0 |
| Vicksburg | 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 →
- 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
- 18
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 13
- plugged
How it got them
- 2
- permitted itself
- 5
- acquired from others
- 17
- 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
| Matagorda | 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 | 47 |
| Recompletion | 0 | 0 | 14 |
| Other | 0 | 0 | 3 |
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 |
|---|---|---|
| Stratton Ridge South86530001 | 9 | 0 |
| Stratton Ridge86526001 | 2 | 0 |
| Gaffney SE (6110)33643500 | 1 | 0 |
| Judd City (11940)47482925 | 1 | 0 |
| Chicolete Creek North17651500 | 1 | 0 |
| Nuarc West (J-2)66270500 | 1 | 0 |
| Stratton Ridge S. (Het)86530400 | 1 | 0 |
| Northern Ranch (Robertson Sand)66103666 | 1 | 0 |
| Choate W. (L-Sand)17904200 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Jul 5, 2002
- Address
- 1000 Main Suite 3250
- Houston, TX 77002
- Officers and agents
- Cockrell, Ernest Harris · Chairman/President
- Graves, Milton Tipton · Vice President
- Williams, Mary Nancy · Secretary
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 690331 | Jan 27, 2010 | Jan 27, 2010 | Apache Corporation | Matagorda | Northern Ranch #4 | 7,516 | 32100023 |
| 690331 | Jan 27, 2010 | Jan 27, 2010 | Apache Corporation | Matagorda | Northern Ranch #4 | 7,516 | 32100023 |
| 614386 | Feb 17, 2006 | Feb 17, 2006 | Apache Corporation | Matagorda | Northern Ranch #4 | 7,468 | 32100023 |
| 497102 | Jul 12, 2000 | Jul 12, 2000 | Cockrell Oil Corporation | Calhoun | Aquamarine Unit #2 | 11,000 | 05731609 |
| 490116 | Dec 7, 1999 | Dec 7, 1999 | Cockrell Oil Corporation | Mustang IS-SB | State Tract 976S #1 | 10,600 | 60230183 |
| 487125 | Sep 7, 1999 | Sep 7, 1999 | Cockrell Oil Corporation | Calhoun | Aquamarine Unit #1 | 11,525 | 05731600 |
| 465306 | Jul 23, 1997 | Jul 23, 1997 | Cockrell Oil Corporation | Jefferson | Fire Base 292 #1 | 11,700 | 24532155 |
| 457178 | Jan 14, 1997 | Jan 14, 1997 | Cockrell Oil Corporation | Wharton | Route 60 Real Estate Co. #1 | 12,500 | 48133949 |
| 372313 | Apr 20, 1990 | Apr 20, 1990 | Pennzoil Exploration & Prod. Co. | Victoria | Urban, Armour et AL #1 | 6,200 | 46932038 |
| 258082 | Nov 19, 1984 | Nov 19, 1984 | Cockrell Oil Corporation | Colorado | F. M. Schoellmann Unit #1 | 10,200 | 08931539 |
| 253568 | Oct 1, 1984 | Oct 1, 1984 | Cockrell Oil Corporation | Matagorda | Northern Ranch #3 | 7,494 | 32100024 |
| 247457 | Aug 6, 1984 | Aug 6, 1984 | Cockrell Oil Corporation | Jackson | Clemens, Louise C. et AL #1 | 9,600 | 23932076 |
| 247034 | Aug 1, 1984 | Aug 1, 1984 | Cockrell Oil Corporation | Matagorda | Northern Ranch #9 | 7,289 | 32102757 |
| 243235 | Jun 27, 1984 | Jun 27, 1984 | Cockrell Oil Corporation | DE Witt | Malina, Margaret #1 | 8,400 | 12331004 |
| 242866 | Jun 22, 1984 | Jun 22, 1984 | Cockrell Oil Corporation | Refugio | Rooke, F. B. et AL #2 | 6,800 | 39131739 |
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/164301, documented in the API reference.