TEXAS · WELLS · WINKLER COUNTY · WALTON ESTATE "A" LEASE · API 42-495-30397 · DISTRICT 7B
Walton Estate A #4
Winkler County · Keystone (San Andres) field · Vertical
Walton Estate A #4 (API 42-495-30397) is a plugged well in Winkler County, plugged October 8, 2019, last operated by Formentera Operations LLC.
The RRC has issued one drilling permit, issued December 12, 1995, permitted to 5,300 ft.
It was permitted by Hallwood Petroleum, Inc. and has since transferred to Formentera Operations LLC on the wellbore schedule.
Its lease has reported 13.1K barrels of oil and 1.46K mcf of gas since January 1993, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Hallwood Petroleum, Inc.; the EWA schedule now lists a different operator.
- Based in
- Austin, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jun 11, 2026
- Permits on file
- 90
- Phone
- (512) 514-5779
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Cimarex Energy Co. of Coloradothrough May 2009 |
| Latest permit | Hallwood Petroleum, Inc.Dec 12, 1995 |
- 5,300
- total depth, ft
- 1
- permits on file
- Dec 12, 1995
- last permit issued
- Dec 9, 1975
- completed
- 13.1K
- cumulative oil, bbl
- 1.46K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 9, 1975
- Shut in
- —
- Plugged
- Oct 8, 2019
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; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Walton Estate "A" O-10-23838 | Keystone (San Andres) | Formentera Operations LLC | 4 | 13.1K | 1.46K | Jan 1993 – Jul 2026 |
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.
- 1Smith & Marrs Inc.Jan 1993 → Nov 1994
- 2Hallwood Petroleum, Inc.Dec 1994 → Jun 1996
- 3Parker & Parsley Producing L.P.Jul 1996 → Oct 1997
- 4Pioneer Resources Producing, L.PNov 1997 → Jun 1999
- 5Prize Operating CompanyJul 1999 → Mar 2002
- 6Gruy Petroleum Management Co.Apr 2002 → Apr 2006
- 7Cimarex Energy Co. of ColoradoMay 2006 → May 2009
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 442725-99 | Recompletion | Hallwood Petroleum, Inc. | Dec 12, 1995 | Dec 12, 1995 | — | 5,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 9, 1975 | Walton Estate A O-10-23838 | Keystone (San Andres) | Formentera Operations LLC | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| — | 4,605 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 816 | 11 | 200 S |
| 4.5 | 4,900 | 7.875 | 600 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 12, 1984 | Jan 16, 1976 | — |
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 42-495-30397 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-495-30397 → 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/49530397, documented in the API reference.