OPERATORS · RRC 257010 · P-5 STATUS Y
Expando Oil Co
Wichita Falls, TX
Watch this operatorExpando Oil CO has filed no drilling permits in the past 12 months; its most recent permit was issued September 16, 1988.
The RRC wellbore file lists 36 wells under its operatorship.
186 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed August 3, 1992.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 36 of record
- 1
- 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.
- 18%
- spud rate · 34 of 186 mature permits
- 36
- median days permit to spud · middle half 10–88
- 0
- spuds, last 180 days
- 3%
- cancelled · 6 permits
- 146
- expired undrilled
- 16
- permits a year over 12 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 |
|---|---|---|---|---|
| Clay county → | — | 53 | 17 | Apr 13, 1988 |
| Refugio county → | — | 23 | 3 | Sep 16, 1988 |
| Duval county → | — | 21 | 2 | May 26, 1987 |
| Archer county → | — | 12 | 1 | Aug 8, 1983 |
| Grayson county → | — | 12 | 1 | Jun 30, 1988 |
| Jack county → | — | 12 | 1 | Nov 14, 1986 |
| Hardeman county → | — | 8 | 1 | May 2, 1985 |
| Baylor county → | — | 7 | 1 | Apr 13, 1981 |
| DE Witt county → | — | 5 | 2 | Mar 30, 1978 |
| Montague county → | — | 5 | 0 | May 3, 1983 |
| Smith county → | — | 5 | 0 | Oct 15, 1985 |
| Jim Wells county → | — | 4 | 1 | Aug 22, 1980 |
| Victoria county → | — | 4 | 3 | Mar 2, 1981 |
| Cooke county → | — | 2 | 1 | Jul 20, 1978 |
| Jackson county → | — | 2 | 1 | Dec 22, 1987 |
| Live Oak county → | — | 2 | 0 | Dec 27, 1979 |
| McMullen county → | — | 2 | 0 | May 27, 1986 |
| Young county → | — | 2 | 0 | Oct 29, 1980 |
| Fayette county → | — | 1 | 0 | May 27, 1981 |
| Goliad county → | — | 1 | 0 | Sep 14, 1978 |
| Matagorda county → | — | 1 | 0 | Dec 31, 1980 |
| Starr county → | — | 1 | 0 | Dec 21, 1979 |
| Wilbarger county → | — | 1 | 0 | Apr 13, 1979 |
All 186 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 |
|---|---|---|
| Caddo | 15 | 0 |
| Bryson | 14 | 0 |
| Ellenburger | 13 | 0 |
| Barnett | 7 | 0 |
| Greta | 4 | 0 |
| Catahoula | 4 | 0 |
| Paluxy | 3 | 0 |
| Goodland | 2 | 0 |
| Woodbine | 2 | 0 |
| Mississippian | 1 | 0 |
| Marble Falls | 1 | 0 |
| Smithwick | 1 | 0 |
| Kiamichi | 1 | 0 |
| Frio | 1 | 0 |
| Bend | 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
- 36
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 31
- plugged
How it got them
- 30
- permitted itself
- 3
- acquired from others
- 61
- 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 5
- 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 | 133 |
| Recompletion | 0 | 0 | 25 |
| Other | 0 | 0 | 24 |
| Reenter | 0 | 0 | 4 |
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 |
|---|---|---|
| Blue Grove South (Bryson)9824500 | 11 | 0 |
| Clay County Regular18707001 | 4 | 0 |
| Sarnosa West81136001 | 3 | 0 |
| Baylor County Regular6334001 | 1 | 0 |
| Cooke County Regular20350001 | 1 | 0 |
| Greta (3420 Stringer)36867730 | 1 | 0 |
| Greta North (6650)36870850 | 1 | 0 |
| Kyle & Tapp(mississippian)50462500 | 1 | 0 |
| LA Rosa North (6100)50977740 | 1 | 0 |
| Mission Valley W. (Frio 2850)62157100 | 1 | 0 |
| Rowe (3300)78666666 | 1 | 0 |
| Short (Ellenburger)83410100 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Aug 3, 1992
- Address
- P O Drawer 8246
- Wichita Falls, TX 76307
- Officers and agents
- Thacker, W. M. Jr. · Partner
- McCullough, M. E. · Partner
- Lewis, Roger E. · Partner
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 444577 | Mar 1, 1996 | Mar 1, 1996 | CTR Petroleum, Inc. | Jackson | Volkmer #1 | 6,819 | 23930690 |
| 350482 | Sep 16, 1988 | Sep 16, 1988 | Expando Oil Company | Refugio | Heard, Kathleen #3 | 2,267 | 39100776 |
| 348357 | Jun 30, 1988 | Jun 30, 1988 | Expando Oil Company | Grayson | Godwin Unit #2 #2 | 5,400 | 18100034 |
| 347931 | Jun 21, 1988 | Jun 21, 1988 | Expando Oil Company | Refugio | Heard, J.F.B. #8 | 6,200 | 39131280 |
| 345338 | Apr 20, 1988 | Apr 20, 1988 | Expando Oil Company | Refugio | Heard, C. E. "B" #5 | 4,130 | 39102299 |
| 342943 | Apr 13, 1988 | Apr 13, 1988 | Expando Oil Company | Clay | CCC Unit #502 | 4,700 | 07734227 |
| 342947 | Feb 25, 1988 | Feb 25, 1988 | Expando Oil Company | Clay | CCC Unit #503 | 4,700 | 07734216 |
| 342947 | Feb 25, 1988 | Feb 25, 1988 | Expando Oil Company | Clay | CCC Unit #503 | 4,700 | 07734216 |
| 340461 | Dec 22, 1987 | Dec 22, 1987 | Expando Oil Company | Jackson | Volkmer #1 | 6,819 | 23930690 |
| 338685 | Dec 10, 1987 | Dec 10, 1987 | Expando Oil Company | Refugio | Heard, Bob #3 | 2,267 | 39100776 |
| 337235 | Oct 13, 1987 | Oct 13, 1987 | Expando Oil Company | Grayson | Irma #1 | 2,800 | 18131206 |
| 335860 | Sep 18, 1987 | Sep 18, 1987 | Expando Oil Company | Clay | Chapman "B" #1 | 6,201 | 07730026 |
| 332093 | Jul 1, 1987 | Jul 1, 1987 | Expando Oil Company | Grayson | Godwin Unit #1 | 5,500 | 18131197 |
| 332093 | Jul 1, 1987 | Jul 1, 1987 | Expando Oil Company | Grayson | Godwin Unit #1 | 5,500 | 18131197 |
| 330356 | May 26, 1987 | May 26, 1987 | Expando Oil Company | Duval | Weil F Unit #1 | 2,550 | 13137014 |
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/257010, documented in the API reference.