OPERATORS · RRC 461550 · P-5 STATUS Y
Kilroy Co of Texas, Inc
Houston, TX
Watch this operatorKilroy CO Of Texas, Inc has filed no drilling permits in the past 12 months; its most recent permit was issued September 28, 1990.
The RRC wellbore file lists 57 wells under its operatorship.
235 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed March 4, 1992.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 57 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.
- 27%
- spud rate · 64 of 235 mature permits
- 34
- median days permit to spud · middle half 11–66
- 0
- spuds, last 180 days
- 3%
- cancelled · 6 permits
- 165
- expired undrilled
- 17
- permits a year over 14 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 |
|---|---|---|---|---|
| Live Oak county → | — | 37 | 7 | Aug 22, 1990 |
| Orange county → | — | 17 | 8 | Sep 28, 1988 |
| Harris county → | — | 16 | 5 | Apr 5, 1989 |
| High IS-LB county → | — | 16 | 0 | May 31, 1989 |
| Brazoria county → | — | 14 | 2 | May 30, 1989 |
| Jasper county → | — | 14 | 0 | Aug 21, 1984 |
| Goliad county → | — | 12 | 4 | Jun 29, 1990 |
| Liberty county → | — | 11 | 1 | Jul 30, 1990 |
| Matgrda IS-LB county → | — | 10 | 1 | Jan 15, 1990 |
| Zapata county → | — | 10 | 3 | Sep 28, 1990 |
| McMullen county → | — | 7 | 2 | Apr 19, 1990 |
| Cherokee county → | — | 6 | 3 | Apr 28, 1981 |
| Lavaca county → | — | 6 | 1 | Aug 10, 1982 |
| Anderson county → | — | 4 | 1 | Dec 31, 1981 |
| Brazos-LB county → | — | 4 | 0 | Sep 7, 1989 |
| Brazos-SB county → | — | 4 | 0 | Apr 20, 1981 |
| Colorado county → | — | 4 | 1 | Mar 30, 1983 |
| High IS-SB county → | — | 4 | 0 | Sep 17, 1982 |
| Jefferson county → | — | 4 | 4 | Jan 17, 1989 |
| Wharton county → | — | 4 | 0 | Jan 25, 1988 |
| Hardin county → | — | 3 | 2 | Jan 8, 1986 |
| Matgrda IS-SB county → | — | 3 | 0 | Jul 22, 1982 |
| San Jacinto county → | — | 3 | 0 | Jan 21, 1986 |
| Terry county → | — | 3 | 1 | Jul 13, 1988 |
| Winkler county → | — | 3 | 0 | Mar 3, 1989 |
| Fort Bend county → | — | 2 | 0 | Jan 30, 1980 |
| Lynn county → | — | 2 | 0 | Jul 12, 1989 |
| Matagorda county → | — | 2 | 0 | Jul 30, 1990 |
| Bee county → | — | 1 | 3 | Dec 30, 1981 |
| Calhoun county → | — | 1 | 0 | Jul 27, 1978 |
| Dawson county → | — | 1 | 0 | Mar 18, 1981 |
| Glasscock county → | — | 1 | 0 | Jul 7, 1982 |
| Houston county → | — | 1 | 0 | Jan 16, 1987 |
| Karnes county → | — | 1 | 0 | Apr 15, 1986 |
| Lee county → | — | 1 | 0 | Jan 18, 1979 |
| Refugio county → | — | 1 | 0 | Aug 22, 1980 |
| Starr county → | — | 1 | 0 | Oct 5, 1987 |
| Waller county → | — | 1 | 0 | Jun 18, 1982 |
All 235 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 |
|---|---|---|
| Frio | 11 | 0 |
| Yegua | 7 | 0 |
| Miocene (undifferentiated) | 5 | 0 |
| Vicksburg | 5 | 0 |
| Cook Mountain | 3 | 0 |
| Wilcox | 2 | 0 |
| Reklaw | 2 | 0 |
| Queen City | 2 | 0 |
| Edwards | 1 | 0 |
| Pearsall | 1 | 0 |
| Sligo | 1 | 0 |
| Spraberry | 1 | 0 |
| Yates | 1 | 0 |
| Clear Fork | 1 | 0 |
| Wolfcamp | 1 | 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
- 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
- 57
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 45
- plugged
How it got them
- 32
- permitted itself
- 5
- acquired from others
- 57
- 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 3
- 0
- permitted bbl/day, active
- 0
- bbl injected, last 12 reported months
- Jun 2025
- reported through
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 | 194 |
| Recompletion | 0 | 0 | 38 |
| Other | 0 | 0 | 3 |
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 |
|---|---|---|
| Beeville North (Hockley)6787200 | 3 | 0 |
| Shannon (Hackberry)82660400 | 3 | 0 |
| Lopeno SW (Wilcox 7380)54872500 | 3 | 0 |
| Coon Creek (Pettit)20415500 | 3 | 0 |
| Clayton (Wilcox 8350)18765980 | 2 | 0 |
| Satsuma (6850)81178450 | 2 | 0 |
| Potrero Lopena S. (7450)72660664 | 2 | 0 |
| Silsbee North (7100)83586950 | 2 | 0 |
| Borchers (5700 Yegua)10634870 | 1 | 0 |
| Bland (Nodosaria)8813250 | 1 | 0 |
| Big Hill (Frio 10 400)7884297 | 1 | 0 |
| Clayton (Wilcox 7720)18765960 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Mar 4, 1992
- Address
- 1221 McKinney St Ste 2850
- Houston, TX 77010
- Officers and agents
- Kilroy, W.S. · President/Chairman
- Chiles, Douglas C. · Vice President
- Shell, J. E. · Vice President
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
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/461550, documented in the API reference.