WELL · 42-125-30894 · DISTRICT 8
Hill - Mayo Brown Unit #1
Dickens County · Soldier Mound (Tannehill) field · Producing · Vertical
Hill - Mayo Brown Unit #1 (API 42-125-30894) is a well in Dickens County operated by Schalk Oil Company Inc., completed October 28, 2003 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued September 30, 2003, permitted to 5,200 ft.
Completion filings report 3 formation tops, including Base Stockwether, Top Croton Lime, Tannehill.
Its lease has reported 52.2K barrels of oil and 1.03K mcf of gas since November 2003, last reporting in July 2026.
Operator of record
- Based in
- Wichita Falls, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jun 3, 2026
- Permits on file
- 184
- Phone
- (940) 322-3424
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Schalk Oil Company Inc. |
| Production reports | Schalk Oil Company, Inc.through Apr 2026 |
| Latest permit | Schalk Oil Company, Inc.Sep 30, 2003 |
- 5,200
- total depth, ft
- 2
- permits on file
- Sep 30, 2003
- last permit issued
- Oct 28, 2003
- completed
- 52.2K
- cumulative oil, bbl
- 1.03K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2003 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 28, 2003
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Hill - Mayo Brown Unit O-11-68627 | Soldier Mound (Tannehill) | Schalk Oil Company, Inc. | 1 | 52.2K | 1.03K | Nov 2003 – Jul 2026 |
Oil, barrels lease total
Last 12 months 458 · prior 12 395(+16%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Schalk Oil Company, Inc.Nov 2003 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 536996-98 | Drill | Schalk Oil Company, Inc. | Oct 2, 2003 | Sep 30, 2003 | Oct 8, 2003 | 5,200 |
| 536996-99 | Drill | Schalk Oil Company, Inc. | Sep 30, 2003 | Sep 30, 2003 | — | 5,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-68627 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,306 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Stockwether | 4,807 | -2,501 |
| Top Croton Lime | 4,876 | -2,570 |
| TannehillTOP TANNEHILL | 4,928 | -2,622 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,930 | 4,932 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 255 | 17 | 255 S |
| 8.625 | 1,518 | 12.25 | 250 S |
| 5.5 | 5,014 | 7.875 | 300 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 21, 2004 | Nov 14, 2003 | Yes |
| 00 | Dec 22, 2003 | — | — |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-125-30894 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-125-30894 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/12530894, documented in the API reference.