TEXAS · WELLS · MIDLAND COUNTY · API 42-329-00220 · DISTRICT 7B
Willis 41 #1
Midland County · Spraberry (Trend Area) field · Shut In · Vertical
Willis 41 #1 (API 42-329-00220) is a well in Midland County operated by Diamondback E&P LLC, completed May 22, 2003 and listed as shut in on the RRC schedule, shut in January 1, 2025.
The RRC has issued one drilling permit, issued February 6, 2003, permitted to 11,789 ft.
It was permitted by Endeavor Energy Resources L.P. and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Spraberry, Dean, Wolfcamp.
Its 2 leases have reported 195K barrels of oil and 1.09M mcf of gas since January 1993, last reporting in July 2026. The leases carry 5 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Endeavor Energy Resources L.P.; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 4, 2026
- Permits on file
- 5,243
- Phone
- (432) 221-7400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Dec 2024 |
| Latest permit | Endeavor Energy Resources L.P.Feb 6, 2003 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,789
- total depth, ft
- 1
- permits on file
- Feb 6, 2003
- last permit issued
- May 22, 2003
- completed
- 195K
- cumulative oil, bbl
- 1.09M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 2024
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 22, 2003
- Shut in
- Jan 1, 2025
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Willis "41" O-10-37215 | Spraberry (Trend Area) | Diamondback E&P LLC | 4 | 191K | 1.05M | Aug 2003 – Jul 2026 |
| Willis O-10-25831 | Azalea (Strawn) | Endeavor Energy Resources L.P. | 1 | 4.52K | 46.3K | Jan 1993 – Feb 2004 |
Oil, barrels lease total
Last 12 months 0 · prior 12 154(-100%)
Gas, mcf lease total
Last 12 months 0 · prior 12 213(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Meridian Oil Inc.Jan 1993 → Aug 1994
- 2Stephens, Autry C.Sep 1994 → Jul 2000
- 3Endeavor Energy Resources L.P.Aug 2003 → Dec 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 528201-99 | Recompletion | Endeavor Energy Resources L.P. | Feb 6, 2003 | Feb 6, 2003 | May 22, 2003 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 22, 2003 | Willis 41 O-10-37215 | Spraberry (Trend Area) | Diamondback E&P LLC | Shut In · shut in Jan 1, 2025 | 11,789 |
| Apr 26, 1958 | Willis O-10-25831 | Azalea (Strawn) | Endeavor Energy Resources L.P. | Not on Schedule | — |
| — | Willis G-10-19462 | Azalea (Strawn) | El Paso Natural Gas Company | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,717 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,431 | 10,364 | Perforated |
| 10,480 | 10,567 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,568 | 12.25 | 650 S |
| 10.75 | 1,568 | — | 650 S |
| 7.625 | 10,340 | 8.75 | 500 S |
| 7.625 | 10,340 | — | — |
| 2.375 | 10,453 | — | — |
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 | Mar 11, 2004 | Sep 22, 2003 | Yes |
| 00 | Feb 17, 2004 | Feb 13, 1980 | — |
| 00 | Jan 12, 1984 | Feb 13, 1980 | — |
| 00 | Jan 12, 1984 | Apr 28, 1958 | — |
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 42-329-00220 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-00220 → 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/32900220, documented in the API reference.