WELL · 42-461-36254 · DISTRICT 7
Wanda #504
Upton County · Spraberry (Trend Area) field · Vertical
Wanda #504 (API 42-461-36254) is a plugged well in Upton County, plugged July 30, 2024, last operated by Cog Operating LLC.
The RRC has issued one drilling permit, issued January 5, 2009, permitted to 10,800 ft.
It was permitted by Henry Petroleum LP and has since transferred to Cog Operating LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Clear Fork, Spraberry, Dean, Wolfcamp.
Its lease has reported 1.07M barrels of oil and 1.95M mcf of gas since February 2009, last reporting in July 2026. The lease carries 11 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Henry Petroleum LP; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed May 4, 2026 · 4,568 permits on file · (432) 853-2355
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | COG Operating LLC |
| Production reports | COG Operating LLCthrough Apr 2026 |
| Latest permit | Henry Petroleum LPJan 5, 2009 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,800
- total depth, ft
- 1
- permits on file
- Jan 5, 2009
- last permit issued
- Mar 28, 2009
- completed
- 1.07M
- cumulative oil, bbl
- 1.95M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 28, 2009
- Shut in
- —
- Plugged
- Jul 30, 2024
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 11 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Wanda O-9-16907 | Spraberry (Trend Area) | COG Operating LLC | 11 | 1.07M | 1.95M | Feb 2009 – Jul 2026 |
Oil, barrels lease total
Last 12 months 31,985 · prior 12 37,409(-14%)
Gas, mcf lease total
Last 12 months 157,522 · prior 12 209,169(-25%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1COG Operating LLCFeb 2009 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 676601-99 | Drill | Henry Petroleum LP | Dec 19, 2008 | Jan 5, 2009 | Jan 28, 2009 | 10,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-16907 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,772 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 6,565 | -3,793 |
| Spraberry | 7,350 | -4,578 |
| Dean | 8,705 | -5,933 |
| Wolfcamp | 8,855 | -6,083 |
| WolfcampLOWER WOLFCAMP | 9,190 | -6,418 |
| BB Lime | 10,315 | -7,543 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,570 | 10,240 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 513 | 12.25 | 315 S |
| 5.5 | 10,465 | 7.875 | 850 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 | Jun 22, 2009 | Apr 29, 2009 | Yes |
| 00 | May 18, 2009 | — | — |
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 42-461-36254 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-36254 → 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/46136254, documented in the API reference.