OPERATORS · RRC 331927 · P-5 STATUS Y
Gregco Expl, Inc
Reno, NV
Watch this operatorGregco Expl, Inc has filed no drilling permits in the past 12 months; its most recent permit was issued September 1, 1983.
The RRC wellbore file lists 1 well under its operatorship.
14 drilling permits have been issued to this operator number since 1979; its P-5 organization report was last filed March 15, 1985.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 1 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.
- 14%
- spud rate · 2 of 14 mature permits
- 41
- median days permit to spud · middle half 41–41
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 12
- expired undrilled
- 3
- permits a year over 5 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 |
|---|---|---|---|---|
| Throckmorton county → | — | 8 | 1 | May 13, 1981 |
| Shackelford county → | — | 6 | 0 | Sep 1, 1983 |
All 14 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
- 1
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 1
- plugged
How it got them
- 1
- permitted itself
- 0
- acquired from others
- 1
- 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 | 11 |
| Recompletion | 0 | 0 | 2 |
| Other | 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 |
|---|---|---|
| Throckmorton County Regular89812001 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Mar 15, 1985
- Address
- 437 Octavia
- Reno, NV 89509
- Officers and agents
- Gregory, Daniel S. · President
- Gregory, Jon S. · Vice President
- Gregory, W. Jean · Secretary/Treasurer
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 209037 | Sep 1, 1983 | Sep 1, 1983 | Gregco Exploration, Inc. | Shackelford | McFarlane, J. W. "A" #2A | 2,600 | 41784192 |
| 200536 | Jul 6, 1983 | Jul 6, 1983 | Gregco Exploration, Inc. | Shackelford | McFarlane, J.W. "C" #4 | 1,500 | 41735247 |
| 199769 | Jun 28, 1983 | Jun 28, 1983 | Gregco Exploration, Inc. | Shackelford | McFarlane, J. W. "C" #2 | 1,200 | 41731280 |
| 199136 | Jun 22, 1983 | Jun 22, 1983 | Gregco Exploration, Inc. | Shackelford | McFarlane, J. W. "C" #3 | 1,000 | 41735222 |
| 197556 | Jun 7, 1983 | Jun 7, 1983 | Gregco Exploration, Inc. | Shackelford | McFarlane, J. W. "A" #1 | 2,600 | 41730922 |
| 196787 | Jun 1, 1983 | Jun 1, 1983 | Gregco Exploration, Inc. | Shackelford | McFarlane "C" #1 | 834 | 41735181 |
| 118003 | May 13, 1981 | May 13, 1981 | Gregco Exploration, Inc. | Throckmorton | Turner Ranch #4 | 4,380 | 44732723 |
| 96719 | Oct 24, 1980 | Oct 24, 1980 | Gregco Exploration, Inc. | Throckmorton | Graham Ranch #2 | 3,700 | 44732434 |
| 70782 | Jan 25, 1980 | Jan 25, 1980 | Gregco Exploration, Inc. | Throckmorton | Turner Ranch #2A | 475 | 44732113 |
| 70018 | Jan 17, 1980 | Jan 17, 1980 | Gregco Exploration, Inc. | Throckmorton | Vineyard #1 | 4,800 | 44732108 |
| 63634 | Nov 13, 1979 | Nov 13, 1979 | Gregco Exploration, Inc. | Throckmorton | Turner Ranch #3 | 4,820 | 44732043 |
| 61488 | Oct 22, 1979 | Oct 22, 1979 | Gregco Exploration, Inc. | Throckmorton | Turner Ranch #2 | 4,900 | 44732030 |
| 56378 | Aug 23, 1979 | Aug 23, 1979 | Gregco Exploration, Inc. | Throckmorton | Turner Ranch #1 | 4,900 | 44731969 |
| 56343 | Aug 23, 1979 | Aug 23, 1979 | Gregco Exploration, Inc. | Throckmorton | Graham Estate #1 | 4,760 | 44731968 |
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/331927, documented in the API reference.