WELL · 42-413-00770 · DISTRICT 7
Thomerson A. B. -65A- #4
Schleicher County · Toe Nail (Strawn) field · Horizontal
Thomerson A. B. -65a- #4 (API 42-413-00770) is a permitted horizontal well in Schleicher County filed by Marathon Oil Company; no completion report is on file yet.
The RRC has issued one drilling permit, issued April 17, 1995, permitted to 5,350 ft.
It was permitted by Marathon Oil Company and has since transferred to Bob Hughes Oil Company LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Canyon, Harkey, Strawn.
Its 2 leases have reported 55.6K barrels of oil and 85.4K mcf of gas since January 1993, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Marathon Oil Company; the EWA schedule now lists a different operator.
San Angelo, TX · P-5 Y, filed Jan 4, 2026 · 17 permits on file · (325) 653-0693
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Bob Hughes Oil Company LLC |
| Production reports | Legacy Reserves Operating LPthrough Jul 2007 |
| Latest permit | Marathon Oil CompanyApr 17, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,350
- total depth, ft
- 1
- permits on file
- Apr 17, 1995
- last permit issued
- —
- completed
- 55.6K
- cumulative oil, bbl
- 85.4K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Thomerson, A. B. -65A- O-9-2043 | Toe Nail (Strawn) | Bob Hughes Oil Company, LLC | 3 | 55.6K | 85.4K | Jan 1993 – Jul 2026 |
| Thomerson, A. B. 65-A O-9-6042 | Toe Nail (Harkey) | Marathon Oil Company | 1 | 0 | 0 | Jan 1993 – Mar 2008 |
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.
- 1Permian Resources, Inc.Jan 1993 → Oct 1993
- 2J L B Operating Co.Nov 1993 → Jul 1994
- 3Marathon Oil CompanyMar 1995 → Oct 1999
- 4Brothers Production Company Inc.Nov 1999 → Mar 2006
- 5Legacy Reserves Operating LPApr 2006 → Mar 2007
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 434112-99 | Recompletion | Marathon Oil Company | Mar 23, 1995 | Apr 17, 1995 | Apr 23, 1995 | 5,350 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-2043 | — | — | — | — |
| — | — O-9-6042 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,430 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,602 | 5,618 | Perforated |
| 5,290 | 5,341 | Perforated |
| 5,292 | 5,341 | Perforated |
| — | 4,812 | Perforated |
| — | 5,320 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 510 | 12.25 | 300 S |
| 9.625 | 510 | — | 300 S |
| 7 | 5,370 | 8.75 | 300 S |
| 7 | 5,370 | — | 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 15, 1997 | Dec 17, 1996 | — |
| 00 | Sep 26, 1995 | Aug 28, 1995 | Yes |
| 00 | Sep 5, 1995 | May 5, 1972 | — |
| 00 | Jan 12, 1984 | May 5, 1972 | — |
| 00 | Jan 12, 1984 | — | — |
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 42-413-00770 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-413-00770 → 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/41300770, documented in the API reference.