TEXAS · WELLS · DAWSON COUNTY · NAPPER LEASE · API 42-115-31973 · DISTRICT 7B
Napper #4
Dawson County · Welch SE. (Spraberry) field · Vertical
Napper #4 (API 42-115-31973) is a plugged well in Dawson County, plugged April 25, 1995, last operated by Libertad Operating LLC.
The RRC has issued one drilling permit, issued February 23, 1984, permitted to 7,900 ft.
It was permitted by Bta Oil Producers and has since transferred to Libertad Operating LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Yates, San Andres, Clear Fork, Spraberry.
Its lease has reported 88.8K barrels of oil and 17.9K mcf of gas since January 1993, last reporting in July 2026. The lease carries 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by BTA Oil Producers; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jul 2, 2026
- Permits on file
- 1
- Phone
- (832) 570-9311
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Libertad Operating LLC |
| Production reports | Libertad Operating LLCthrough Mar 2026 |
| Latest permit | BTA Oil ProducersFeb 23, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,900
- total depth, ft
- 1
- permits on file
- Feb 23, 1984
- last permit issued
- Apr 7, 1984
- completed
- 88.8K
- cumulative oil, bbl
- 17.9K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 7, 1984
- Shut in
- —
- Plugged
- Apr 25, 1995
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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Napper O-11-63684 | Welch, SE. (Spraberry) | Libertad Operating LLC | 3 | 88.8K | 17.9K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 2,403 · prior 12 2,024(+19%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1BTA Oil ProducersJan 1993 → Jan 2008
- 2BTA Oil Producers, LLCFeb 2008 → Jul 2025
- 3Libertad Operating LLCAug 2025 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 230447-99 | Drill | BTA Oil Producers | Feb 23, 1984 | Feb 23, 1984 | Mar 6, 1984 | 7,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 7, 1984 | Napper O-11-63684 | Welch SE. (Spraberry) | Libertad Operating LLC | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,060 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,960 | 100 |
| San Andres | 4,412 | -1,352 |
| Clear ForkCLEARFORK | 5,840 | -2,780 |
| Spraberry | 7,425 | -4,365 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,793 | 7,804 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 410 | 17.5 | 450 S |
| 8.625 | 4,550 | 11 | 500 S |
| 5.5 | 7,880 | 7.875 | 110 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 | May 1, 1984 | Apr 19, 1984 | — |
| 00 | Apr 25, 1984 | Apr 19, 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 42-115-31973 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-115-31973 → 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/11531973, documented in the API reference.