OPERATORS · RRC 660115 · P-5 STATUS Y
Petrolero Corp
San Antonio, TX
Watch this operatorPetrolero Corp has filed no drilling permits in the past 12 months; its most recent permit was issued March 25, 1988.
The RRC wellbore file lists 19 wells under its operatorship.
76 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed June 6, 1997.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 19 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.
- 33%
- spud rate · 25 of 76 mature permits
- 37
- median days permit to spud · middle half 24–49
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 51
- expired undrilled
- 7
- permits a year over 11 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 |
|---|---|---|---|---|
| McMullen county → | — | 31 | 10 | Mar 25, 1988 |
| LA Salle county → | — | 20 | 8 | Oct 2, 1987 |
| Zavala county → | — | 12 | 1 | Dec 8, 1982 |
| Atascosa county → | — | 4 | 0 | Jun 2, 1987 |
| Karnes county → | — | 4 | 0 | Jul 29, 1986 |
| Live Oak county → | — | 4 | 0 | Jul 14, 1986 |
| Lavaca county → | — | 1 | 0 | Feb 13, 1984 |
All 76 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 |
|---|---|---|
| Carrizo | 11 | 0 |
| Queen City | 11 | 0 |
| Wilcox | 8 | 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
- 24.9K
- 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
- 19
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 19
- plugged
How it got them
- 19
- permitted itself
- 0
- acquired from others
- 24
- permitted, now run by others
Acquired means the well's permit names a different operator than the schedule does today. Transfers and operator numbers →
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 | 74 |
| Recompletion | 0 | 0 | 2 |
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 |
|---|---|---|
| Big Mule (Wilcox 5100)8001600 | 6 | 0 |
| Mula Pasture N. (5100)63674500 | 6 | 0 |
| Big Mule (5500 Sand)8001700 | 4 | 0 |
| Batesville West (Olmos)6107500 | 1 | 0 |
| Washburn E. (Wilcox L. 5100)95315240 | 1 | 0 |
| Washburn Ranch (Mula Sand 5100)95335050 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Jun 6, 1997
- Address
- 1235 Milam Building
- San Antonio, TX 78205
- Officers and agents
- Sebesta, Henry W. · President
- Clayton, Chester A. · Secretary/Treasurer
- His, George N, · Chairman
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 344253 | Mar 25, 1988 | Mar 25, 1988 | Petrolero Corp. | McMullen | M Trust Corp Trustee #107 | 6,050 | 31132642 |
| 336734 | Oct 2, 1987 | Oct 2, 1987 | Petrolero Corp. | LA Salle | South Texas Syndicate #4 | 5,600 | 28331231 |
| 336734 | Oct 2, 1987 | Oct 2, 1987 | Petrolero Corp. | LA Salle | South Texas Syndicate #4248 | 5,600 | 28331231 |
| 330989 | Jun 2, 1987 | Jun 2, 1987 | Petrolero Corp. | Atascosa | Peeler, Alonzo M. Jr.,et UX #1 | 5,930 | 01333818 |
| 324300 | Dec 19, 1986 | Dec 19, 1986 | Petrolero Corp. | McMullen | S.T.S. -C- #1010 | 5,570 | 31131844 |
| 323464 | Nov 26, 1986 | Nov 26, 1986 | Petrolero Corp. | Atascosa | Rugh-Peeler Unit #1 | 4,750 | 01333794 |
| 323186 | Nov 19, 1986 | Nov 19, 1986 | Petrolero Corp. | Atascosa | Seay-Lucas #1 | 5,400 | 01333791 |
| 304683 | Jul 29, 1986 | Jul 29, 1986 | Petrolero Corp. | Karnes | Barth, Finley et UX #1 | 4,450 | 25531152 |
| 304164 | Jul 14, 1986 | Jul 14, 1986 | Petrolero Corp. | Live Oak | Gaebler-Stolte Unit #1 | 6,500 | 29733700 |
| 299457 | Mar 13, 1986 | Mar 13, 1986 | Petrolero Corp. | McMullen | S.T.S. -C- #3010 | 5,650 | 31132454 |
| 298573 | Feb 26, 1986 | Feb 26, 1986 | Petrolero Corp. | McMullen | S.T.S. -E- #703 | 5,650 | 31132451 |
| 289112 | Oct 31, 1985 | Oct 31, 1985 | Petrolero Corp. | McMullen | Rayes, Margaret Lewis #1 | 6,000 | 31132393 |
| 287753 | Oct 18, 1985 | Oct 18, 1985 | Petrolero Corp. | McMullen | S. T. S. -E- #603 | 5,650 | 31132380 |
| 285004 | Sep 13, 1985 | Sep 13, 1985 | Petrolero Corp. | McMullen | South Texas Syndicate #204 | 5,600 | 31132368 |
| 282339 | Aug 13, 1985 | Aug 13, 1985 | Petrolero Corp. | Karnes | Nichols, James W. et AL #1 | 6,950 | 25531129 |
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/660115, documented in the API reference.