WELL · 42-413-30941 · DISTRICT 7
Harkey A #4
Schleicher County · Toe Nail (Harkey) field · Vertical
Harkey A #4 (API 42-413-30941) is a plugged well in Schleicher County, plugged May 2, 2023, last operated by Williams Oil Company.
The RRC has issued 2 drilling permits between 1980 and 1987, permitted to 5,500 ft.
It was permitted by Lone Wolf Producing Company and has since transferred to Williams Oil Company on the wellbore schedule.
Completion filings report 3 formation tops, including Palo Pinto, Harkey, Strawn.
Operator of record
Permitted by Lone Wolf Producing Company; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Oct 4, 2025 · 177 permits on file · (432) 967-1359
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Williams Oil Company |
| Production reports | Williams Oil Companythrough Mar 2023 |
| Latest permit | Lone Wolf Producing CompanyJul 20, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,500
- total depth, ft
- 2
- permits on file
- Jul 20, 1987
- last permit issued
- Jul 28, 1987
- completed
- 0
- cumulative oil, bbl
- 1.2M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH May 2023
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 28, 1987
- Shut in
- —
- Plugged
- May 2, 2023
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 |
|---|---|---|---|---|---|---|
| Harkey "A" G-9-125287 | Toe Nail (Harkey) | Williams Oil Company | 1 | 0 | 1.2M | Jan 1993 – May 2023 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pecos Operators, Inc.Jan 1993 → Dec 1993
- 2Williams Oil CompanyJan 1994 → Mar 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 332973-99 | Recompletion | Lone Wolf Producing Company | Jul 16, 1987 | Jul 20, 1987 | — | 5,250 |
| 88640-99 | Drill | Grace Petroleum Corp. | Aug 4, 1980 | Aug 4, 1980 | Sep 26, 1980 | 5,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-125287 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,390 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Palo Pinto | 4,493 | -2,103 |
| Harkey | 4,653 | -2,263 |
| Strawn | 5,266 | -2,876 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,658 | 4,696 | Perforated |
| 4,764 | 4,770 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,312 | 11 | 1,200 S |
| 2.375 | 4,847 | — | — |
| 5.5 | 5,500 | 7.875 | 450 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 | Oct 16, 1987 | Oct 1, 1987 | Yes |
| 00 | Oct 13, 1987 | — | — |
| 00 | Jan 12, 1984 | Nov 13, 1980 | — |
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 42-413-30941 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-413-30941 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/41330941, documented in the API reference.