OPERATORS · RRC 324650 · P-5 STATUS Y
Granbury Oil Co., Inc
Colorado City, TX
Watch this operatorGranbury Oil CO., Inc has filed no drilling permits in the past 12 months; its most recent permit was issued January 29, 1980.
The RRC wellbore file lists 1 well under its operatorship.
13 drilling permits have been issued to this operator number since 1979; its P-5 organization report was last filed March 12, 1982.
- 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.
- 15%
- spud rate · 2 of 13 mature permits
- 30
- median days permit to spud · middle half 23–38
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 11
- expired undrilled
- 13
- permits a year over 1 active year
Where
Counties by permits in the last 12 months, with all-time permits and current wells of record there.
All 13 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 | 13 |
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 |
|---|---|---|
| Sharon Ridge (1700)82710498 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Mar 12, 1982
- Address
- PO Box 969
- Colorado City, TX 79512
- Officers and agents
- Gwaltney, P. L. · President
- Thompson, A. L. · Vice President
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 71109 | Jan 29, 1980 | Jan 29, 1980 | Granbury Oil Co., Inc. | Mitchell | Humphreys, E. #1 | 1,700 | 33531644 |
| 64987 | Nov 29, 1979 | Nov 29, 1979 | Granbury Oil Co., Inc. | Mitchell | Lee, A. J. #6 | 1,700 | 33531599 |
| 64906 | Nov 29, 1979 | Nov 29, 1979 | Granbury Oil Co., Inc. | Mitchell | Lee, A. J. #5 | 1,700 | 33531598 |
| 64905 | Nov 29, 1979 | Nov 29, 1979 | Granbury Oil Co., Inc. | Mitchell | Lee, A. J. #8 | 1,700 | 33531597 |
| 64904 | Nov 29, 1979 | Nov 29, 1979 | Granbury Oil Co., Inc. | Mitchell | Lee, A. J. #2 | 1,700 | 33531596 |
| 64903 | Nov 29, 1979 | Nov 29, 1979 | Granbury Oil Co., Inc. | Mitchell | Lee, A. J. #1 | 1,700 | 33531595 |
| 64902 | Nov 29, 1979 | Nov 29, 1979 | Granbury Oil Co., Inc. | Mitchell | Lee, A. J. #3 | 1,700 | 33531594 |
| 64901 | Nov 29, 1979 | Nov 29, 1979 | Granbury Oil Co., Inc. | Mitchell | Lee, A. J. #4 | 1,700 | 33531593 |
| 64900 | Nov 29, 1979 | Nov 29, 1979 | Granbury Oil Co., Inc. | Mitchell | Lee, Grover #5 | 1,700 | 33531592 |
| 64899 | Nov 29, 1979 | Nov 29, 1979 | Granbury Oil Co., Inc. | Mitchell | Lee, Grover #3 | 1,700 | 33531591 |
| 64896 | Nov 29, 1979 | Nov 29, 1979 | Granbury Oil Co., Inc. | Mitchell | Lee, Grover #2 | 1,700 | 33531590 |
| 64895 | Nov 29, 1979 | Nov 29, 1979 | Granbury Oil Co., Inc. | Mitchell | Lee, Grover #1 | 1,700 | 33531589 |
| 64446 | Nov 19, 1979 | Nov 19, 1979 | Granbury Oil Co., Inc. | Mitchell | Sharon Ridge Grover Lee #4 | 1,700 | 33531585 |
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/324650, documented in the API reference.