WELL · 42-041-31679 · DISTRICT 3
Ashlock Unit #1
Brazos County · Kurten (Buda) field · Horizontal
Ashlock Unit #1 (API 42-041-31679) is a plugged horizontal well in Brazos County, plugged November 18, 1998, last operated by Williams Clayton Energy Inc..
The RRC has issued one drilling permit, issued October 20, 1992, permitted to 8,023 ft.
It was permitted by Williams, Clayton W., JR., Inc. and has since transferred to Williams Clayton Energy Inc. on the wellbore schedule.
Completion filings report 4 formation tops, including Pecan Gap, Austin Chalk, Eagle Ford, Buda.
Its lease has reported 51.5K barrels of oil and 30.9K mcf of gas since January 1993, last reporting in January 1999.
Operator of record
Permitted by Williams, Clayton W., Jr., Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- Apr 11, 2017
- Permits on file
- 1,139
- Phone
- (281) 872-3100
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Williams Clayton Energy Inc. |
| Production reports | Williams, Clayton Energy, Inc.through Jan 1997 |
| Latest permit | Williams, Clayton W., Jr., Inc.Oct 20, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,023
- total depth, ft
- 1
- permits on file
- Oct 20, 1992
- last permit issued
- Dec 1, 1992
- completed
- 51.5K
- cumulative oil, bbl
- 30.9K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jan 1999
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 1, 1992
- Shut in
- —
- Plugged
- Nov 18, 1998
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 |
|---|---|---|---|---|---|---|
| Ashlock Unit O-3-21848 | Kurten (Buda) | Williams, Clayton Energy, Inc. | 1 | 51.5K | 30.9K | Jan 1993 – Jan 1999 |
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.
- 1Williams, Clayton W., Jr., Inc.Jan 1993 → Apr 1993
- 2Williams, Clayton Energy, L.L.CMay 1993 → May 1993
- 3Williams, Clayton Energy, Inc.Jun 1993 → Jan 1997
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 404897-99 | Drill | Williams, Clayton W., Jr., Inc. | Oct 19, 1992 | Oct 20, 1992 | Oct 26, 1992 | 8,023 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-21848 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 429 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Pecan Gap | 6,300 | -5,871 |
| Austin Chalk | 7,065 | -6,636 |
| Eagle FordEAGLEFORD | 7,346 | -6,917 |
| Buda | 7,953 | -7,524 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,906 | 12,310 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,042 | 14.75 | 590 S |
| 7.625 | 7,906 | 9.875 | 530 S |
| 7.625 | — | 9.875 | 790 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 | Feb 3, 1993 | Dec 31, 1992 | Yes |
| 00 | Jan 15, 1993 | — | — |
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 42-041-31679 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-041-31679 → 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/04131679, documented in the API reference.