OPERATORS · RRC 750420 · P-5 STATUS Y
Schalk, Thomas S
Wichita Falls, TX
Watch this operatorSchalk, Thomas S has filed no drilling permits in the past 12 months; its most recent permit was issued February 22, 1993.
The RRC wellbore file lists 11 wells under its operatorship.
41 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed July 5, 2002.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 11 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.
- 61%
- spud rate · 25 of 41 mature permits
- 31
- median days permit to spud · middle half 17–51
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 16
- expired undrilled
- 3
- permits a year over 16 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 |
|---|---|---|---|---|
| Wichita county → | — | 26 | 10 | Feb 22, 1993 |
| Jones county → | — | 5 | 1 | Feb 12, 1981 |
| Knox county → | — | 3 | 0 | Feb 4, 1991 |
| Archer county → | — | 2 | 0 | Jun 28, 1982 |
| Clay county → | — | 1 | 0 | Nov 30, 1977 |
| Cooke county → | — | 1 | 0 | Aug 27, 1985 |
| Dickens county → | — | 1 | 0 | Aug 31, 1992 |
| Jack county → | — | 1 | 0 | Sep 21, 1978 |
| Young county → | — | 1 | 0 | Nov 8, 1984 |
All 41 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 |
|---|---|---|
| Cisco | 5 | 0 |
| Coleman Junction | 1 | 0 |
| Gunsight | 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
- 12.3K
- 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
- 11
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 3
- plugged
How it got them
- 1
- permitted itself
- 0
- acquired from others
- 28
- 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 14
- 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 →
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 |
|---|---|---|
| Wichita County Regular97155001 | 10 | 0 |
| Jones County Regular47113001 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Jul 5, 2002
- Address
- 719 Scott Ste 612
- Wichita Falls, TX 76301
- Officers and agents
- Schalk, John T. · Texas Resident Agent
- Schalk, Thomas S. · Owner
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 409125 | Feb 22, 1993 | Feb 22, 1993 | Schalk, Thomas S. | Wichita | Krohn, W.A. #14 | 2,000 | 48542783 |
| 409125 | Feb 22, 1993 | Feb 22, 1993 | Schalk, Thomas S. | Wichita | Krohn, W.A. #14 | 2,100 | 48542783 |
| 402755 | Aug 31, 1992 | Aug 31, 1992 | Schalk, Thomas S. | Dickens | Beggs #1 | 4,400 | 12530497 |
| 396191 | Jan 30, 1992 | Jan 30, 1992 | Schalk, Thomas S. | Wichita | Sheldon, W.J. et AL #3 | 2,000 | 48542524 |
| 387608 | May 20, 1991 | May 20, 1991 | Schalk, Thomas S. | Wichita | Sheldon #7 | 2,000 | 48542355 |
| 384051 | Feb 4, 1991 | Feb 4, 1991 | Schalk, Thomas S. | Knox | Blake #1 | 2,040 | 27531981 |
| 346965 | May 26, 1988 | May 26, 1988 | Schalk, Thomas S. | Wichita | Krohn, W. A. #13 | 2,000 | 48541716 |
| 330655 | May 22, 1987 | May 22, 1987 | Schalk, Thomas S. | Wichita | Obehaus #2 | 2,000 | 48541389 |
| 292360 | Dec 11, 1985 | Dec 11, 1985 | Schalk, Thomas S. | Wichita | Lewis, Norba Dale #30 | 2,000 | 48540844 |
| 290117 | Nov 15, 1985 | Nov 15, 1985 | Schalk, Thomas S. | Wichita | Sheldon #6 | 2,000 | 48540771 |
| 283254 | Aug 27, 1985 | Aug 27, 1985 | Schalk, Thomas S. | Cooke | Farr #1 | 2,300 | 09732765 |
| 273297 | Apr 26, 1985 | Apr 26, 1985 | Schalk, Thomas S. | Wichita | Krohn, W. A. #12 | 2,000 | 48540417 |
| 267026 | Feb 19, 1985 | Feb 19, 1985 | Schalk, Thomas S. | Knox | Howell #1 | 2,650 | 27500819 |
| 264021 | Jan 11, 1985 | Jan 11, 1985 | Schalk, Thomas S. | Wichita | Sheldon #5 | 2,000 | 48540232 |
| 257419 | Nov 12, 1984 | Nov 12, 1984 | Schalk, Thomas S. | Knox | Meers #1 | 2,100 | 27531614 |
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/750420, documented in the API reference.