OPERATORS · RRC 747544 · P-5 STATUS Y
Sandefer Oil & Gas, Inc
Houston, TX
Watch this operatorSandefer Oil & Gas, Inc has filed no drilling permits in the past 12 months; its most recent permit was issued April 12, 1984.
The RRC wellbore file lists 2 wells under its operatorship.
5 drilling permits have been issued to this operator number since 1980; its P-5 organization report was last filed July 7, 1993.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 2 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.
- 40%
- spud rate · 2 of 5 mature permits
- 86
- median days permit to spud · middle half 43–128
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 3
- expired undrilled
- 1
- 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.
All 5 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
- 2
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 2
- plugged
How it got them
- 2
- 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 | 3 |
| 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 |
|---|---|---|
| Wadsworth (11380)94543945 | 1 | 0 |
| Wadsworth ( CH-1)94543074 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Jul 7, 1993
- Address
- 909 Fannin Suite 3250
- Houston, TX 77010
- Officers and agents
- Sandefer, J.D. III · Chairman/President/Director
- Smith, Stephen F. · Vice President/Director
- Wilhite, Allen · Vice President/Cfo
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 235316 | Apr 12, 1984 | Apr 12, 1984 | Sandefer Oil & Gas, Inc. | Matagorda | Cornelius Gas Unit "A" #2 | 12,000 | 32130993 |
| 191324 | Apr 12, 1983 | Apr 12, 1983 | Sandefer Oil & Gas, Inc. | Matagorda | Cornelius Gas Unit #1 | 12,500 | 32130956 |
| 98444 | Nov 7, 1980 | Nov 7, 1980 | Sandefer Oil & Gas, Inc. | Matagorda | Savage, Stewart #1 | 9,000 | 32131064 |
| 93354 | Sep 19, 1980 | Sep 19, 1980 | Sandefer Oil & Gas, Inc. | Matagorda | Milberger, F. J. #1 | 11,500 | 32131041 |
| 79502 | Apr 28, 1980 | Apr 28, 1980 | Sandefer Oil & Gas, Inc. | Matagorda | Cornelius Gas Unit #2 | 12,000 | 32130993 |
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/747544, documented in the API reference.