WELL · 42-383-33208 · DISTRICT 7
Nunn 5A #4
Reagan County · Spraberry (Trend Area) field · Vertical
Nunn 5a #4 (API 42-383-33208) is a plugged well in Reagan County, plugged September 11, 2023, last operated by Endeavor Energy Resources L.P..
The RRC has issued one drilling permit, issued September 19, 1984, permitted to 8,300 ft.
It was permitted by Cass Oil Company and has since transferred to Endeavor Energy Resources L.P. on the wellbore schedule.
Completion filings report 3 formation tops, including Spraberry, Joe Mills, Dean.
Its lease has reported 87.5K barrels of oil and 607K mcf of gas since January 1993, last reporting in November 2023. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Endeavor Energy Resources L.P.
Permitted by Cass Oil Company; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jun 12, 2026
- Permits on file
- 6,190
- Phone
- (432) 221-7400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Endeavor Energy Resources L.P. |
| Production reports | Endeavor Energy Resources L.P.through Jan 2022 |
| Latest permit | Cass Oil CompanySep 19, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,300
- total depth, ft
- 1
- permits on file
- Sep 19, 1984
- last permit issued
- Nov 16, 1984
- completed
- 87.5K
- cumulative oil, bbl
- 607K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 2023
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 16, 1984
- Shut in
- —
- Plugged
- Sep 11, 2023
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Nunn 5A O-9-11947 | Spraberry (Trend Area) | Endeavor Energy Resources L.P. | 2 | 87.5K | 607K | Jan 1993 – Nov 2023 |
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.
- 1Parker & Parsley Development Co.Jan 1993 → Feb 1995
- 2Parker & Parsley Development L.PMar 1995 → Jul 1996
- 3Stephens, Autry C.Aug 1996 → Aug 2000
- 4Endeavor Energy Resources L.P.Sep 2000 → Jan 2022
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 251843-99 | Drill | Cass Oil Company | Sep 18, 1984 | Sep 19, 1984 | Oct 11, 1984 | 8,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 16, 1984 | Nunn 5A O-9-11947 | Spraberry (Trend Area) | Endeavor Energy Resources L.P. | Plugged | — |
| Nov 16, 1984 | Nunn 5 O-9-7613 | Spraberry (Trend Area) | Endeavor Energy Resources L.P. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,671 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,602 | 6,949 | Perforated |
| 7,222 | 7,576 | Perforated |
| 8,022 | 8,188 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 463 | 12.25 | 350 S |
| 4.5 | 8,363 | 7.875 | 1,050 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 | Jul 8, 1986 | Dec 12, 1984 | — |
| 00 | Jul 1, 1986 | — | — |
| 00 | Dec 27, 1984 | Dec 12, 1984 | — |
| 00 | Dec 20, 1984 | — | — |
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 42-383-33208 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-33208 → 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/38333208, documented in the API reference.