WELL · 42-475-33865 · DISTRICT 8
Walling & Costley -A- #1
Ward County · Ward South field · Vertical
Walling & Costley -A- #1 (API 42-475-33865) is a well in Ward County operated by Associated Operating & Explor., completed March 23, 1988.
The RRC has issued one drilling permit, issued February 3, 1988, permitted to 2,700 ft.
It was permitted by Sunset Energy Of Texas, Inc. and has since transferred to Associated Operating & Explor. on the wellbore schedule.
Completion filings report one formation top, including Yates.
Its 2 leases have reported 17.7K barrels of oil and 2.4K mcf of gas since January 1993, last reporting in July 2026. The leases carry 17 wells, so these are lease totals, not this well alone.
Operator of record
Associated Operating & Explor.
Permitted by Sunset Energy of Texas, Inc.; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Mar 6, 2015
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Associated Operating & Explor. |
| Production reports | Recovery Operating LPthrough Apr 2026 |
| Latest permit | Sunset Energy of Texas, Inc.Feb 3, 1988 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,700
- total depth, ft
- 1
- permits on file
- Feb 3, 1988
- last permit issued
- Mar 23, 1988
- completed
- 17.7K
- cumulative oil, bbl
- 2.4K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 23, 1988
- 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 17 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Walling & Costley -A- O-10-34571 | Ward, South | Hailstone Resources, LLC | 7 | 17.7K | 2.4K | May 1995 – Jul 2026 |
| Walling & Costley -A- O-10-7219 | Ward, South | Associated Operating & Explor. | 10 | 0 | 0 | Jan 1993 – Aug 2003 |
Oil, barrels lease total
Last 12 months 42 · prior 12 65(-35%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Jag Oil CompanySep 1995 → Dec 1995
- 2Martin, Jimmy IncJan 1996 → Oct 1996
- 3Ham Oil & Gas, Inc.Nov 1996 → Dec 1998
- 4Fisher Oil Co.Apr 1999 → Mar 2014
- 5D & V Oil Co., LPApr 2014 → Jan 2019
- 6Recovery Operating LPFeb 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 342060-99 | Drill | Sunset Energy of Texas, Inc. | Jan 29, 1988 | Feb 3, 1988 | — | 2,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-7219 | — | — | — | — |
| — | — O-10-34571 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,535 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,324 | 211 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,340 | 2,530 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 861 | 12.25 | 500 S |
| 4.5 | 2,715 | 7.875 | 250 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 | Aug 21, 1995 | Apr 6, 1988 | Yes |
| 00 | Apr 22, 1988 | Apr 6, 1988 | Yes |
| 00 | Apr 19, 1988 | — | — |
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 42-475-33865 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-475-33865 → 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/47533865, documented in the API reference.