OPERATORS · RRC 600660 · P-5 STATUS Y
National Expl Co
Houston, TX
Watch this operatorNational Expl CO has filed no drilling permits in the past 12 months; its most recent permit was issued June 22, 1981.
The RRC wellbore file lists 8 wells under its operatorship.
29 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed June 15, 1982.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 8 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.
- 45%
- spud rate · 13 of 29 mature permits
- 22
- median days permit to spud · middle half 6–87
- 0
- spuds, last 180 days
- 10%
- cancelled · 3 permits
- 13
- expired undrilled
- 7
- permits a year over 4 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 |
|---|---|---|---|---|
| Colorado county → | — | 5 | 0 | Mar 31, 1980 |
| Jefferson county → | — | 3 | 0 | Jun 15, 1981 |
| Karnes county → | — | 3 | 2 | Feb 10, 1981 |
| Goliad county → | — | 2 | 1 | May 27, 1981 |
| Newton county → | — | 2 | 1 | Aug 17, 1979 |
| Nolan county → | — | 2 | 0 | May 9, 1980 |
| Val Verde county → | — | 2 | 0 | Mar 3, 1978 |
| Zapata county → | — | 2 | 0 | Aug 10, 1978 |
| Anderson county → | — | 1 | 3 | Oct 12, 1977 |
| Brazoria county → | — | 1 | 0 | Dec 20, 1977 |
| DE Witt county → | — | 1 | 0 | Dec 20, 1978 |
| Gaines county → | — | 1 | 0 | Apr 28, 1980 |
| Liberty county → | — | 1 | 0 | Jun 18, 1981 |
| Schleicher county → | — | 1 | 0 | Oct 27, 1980 |
| Starr county → | — | 1 | 0 | Jun 22, 1981 |
| Webb county → | — | 1 | 1 | Sep 2, 1980 |
All 29 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 →
- 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
- 8
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 3
- plugged
How it got them
- 0
- permitted itself
- 0
- acquired from others
- 5
- 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
| Zapata | 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 | 25 |
| Recompletion | 0 | 0 | 4 |
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 |
|---|---|---|
| Boggy Creek*10153010 | 2 | 0 |
| McCaskill (Wilcox M-7)58932625 | 2 | 0 |
| Charco North (7900)17131729 | 1 | 0 |
| Cypress Creek N. (7885)22464500 | 1 | 0 |
| Laredo (Lobo)52025500 | 1 | 0 |
| Long Lake (Woodbine)54664777 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Jun 15, 1982
- Address
- 2500 E TC Jester Ste 300
- Houston, TX 77008
- Officers and agents
- Carver, C.R. · President/Director
- Higgins, C.T. · Vice President
- Kean, John · Chairman
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 124118 | Jun 22, 1981 | Jun 22, 1981 | National Exploration Co. | Starr | Martinez #1 | 4,710 | 42731554 |
| 121731 | Jun 18, 1981 | Jun 18, 1981 | National Exploration Co. | Liberty | Sparks, Mary #1 | 8,200 | 29131439 |
| 120909 | Jun 15, 1981 | Jun 15, 1981 | National Exploration Co. | Jefferson | Walter Company #1 | 10,100 | 24531496 |
| 119470 | May 27, 1981 | May 27, 1981 | National Exploration Co. | Goliad | Corgey, William H. #1 | 15,615 | 17531495 |
| 120194 | May 21, 1981 | May 21, 1981 | National Exploration Co. | Jefferson | Walter Company #1 | 9,554 | 24531496 |
| 118316 | May 18, 1981 | May 18, 1981 | National Exploration Co. | Jefferson | American National Bank #1 | 8,700 | 24531494 |
| 107980 | Feb 10, 1981 | Feb 10, 1981 | National Exploration Co. | Karnes | Bauhof, E. A. #1 | 9,500 | 25530824 |
| 97109 | Oct 27, 1980 | Oct 27, 1980 | National Exploration Co. | Schleicher | Florence, John R. Jr., et AL #1 | 7,000 | 41330969 |
| 91128 | Sep 2, 1980 | Sep 2, 1980 | National Exploration Co. | Webb | Martin-Volz #1 | 3,974 | 47932836 |
| 80854 | May 9, 1980 | May 9, 1980 | National Exploration Co. | Nolan | Jordan, R. H. #1 | 4,500 | 35330905 |
| 80269 | May 2, 1980 | May 2, 1980 | National Exploration Co. | Nolan | Jordan, R. H. #1 | 4,500 | 35330903 |
| 79480 | Apr 28, 1980 | Apr 28, 1980 | National Exploration Co. | Gaines | Gray County School Lands Unit #1 | 12,343 | 16531800 |
| 76618 | Mar 31, 1980 | Mar 31, 1980 | National Exploration Co. | Colorado | Glasscock, C. G. #3 | 11,500 | 08930656 |
| 55894 | Aug 17, 1979 | Aug 17, 1979 | National Exploration Co. | Newton | Hankamer, E. G. et AL #3 | 8,992 | 35180153 |
| 45528 | Apr 2, 1979 | Apr 2, 1979 | National Exploration Co. | Karnes | Hilbrich, J. P. #1 | 12,460 | 25530722 |
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/600660, documented in the API reference.