WELL · 42-475-37559 · DISTRICT 8
W. A. Estes #401
Ward County · H. S. A. (Pennsylvanian) field · Producing · Vertical
W. A. Estes #401 (API 42-475-37559) is a well in Ward County operated by Sundown Energy LP, completed April 14, 2019 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued May 30, 2018, permitted to 10,500 ft.
It was permitted by Four Corners Petroleum II, LLC and has since transferred to Sundown Energy LP on the wellbore schedule.
Completion filings report 10 formation tops, including San Andres, Holt, Clear Fork, Tubb.
Its lease has reported 28.1K barrels of oil and 143K mcf of gas since April 2019, last reporting in July 2026.
Operator of record
Permitted by Four Corners Petroleum II, LLC; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed May 4, 2026 · 300 permits on file · (866) 580-2434
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sundown Energy LP |
| Production reports | Sundown Energy LPthrough Mar 2026 |
| Latest permit | Four Corners Petroleum II, LLCMay 30, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,500
- total depth, ft
- 3
- permits on file
- May 30, 2018
- last permit issued
- Apr 14, 2019
- completed
- 28.1K
- cumulative oil, bbl
- 143K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2019 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 14, 2019
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
31.496773, -102.937236
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Ward County.
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| W. A. Estes O-10-52157 | H. S. A. (Pennsylvanian) | Sundown Energy LP | 1 | 28.1K | 143K | Apr 2019 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,673 · prior 12 0
Gas, mcf lease total
Last 12 months 5,923 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Four Corners Petroleum II, LLCMay 2019 → Apr 2021
- 2Sundown Energy LPMay 2021 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 840439-97 | Drill | Four Corners Petroleum II, LLC | Jul 11, 2019 | May 30, 2018 | Mar 2, 2019 | 10,500 |
| 840439-98 | Drill | Four Corners Petroleum II, LLC | Jan 24, 2019 | May 30, 2018 | Mar 2, 2019 | 10,500 |
| 840439-99 | Drill | Four Corners Petroleum II, LLC | May 23, 2018 | May 30, 2018 | — | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-52157 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,598 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 3,554 | -956 |
| Holt | 4,679 | -2,081 |
| Clear ForkCLEARFORK | 5,121 | -2,523 |
| Tubb | 5,889 | -3,291 |
| Delaware | — | — |
| Glorieta | — | — |
| Queen | — | — |
| Rustler | — | — |
| Seven Rivers | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,795 | 9,681 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13 | 804 | 16 | 535 S |
| 8.625 | 3,432 | 11 | 925 S |
| 5.5 | 9,937 | 7.875 | 815 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 | Sep 25, 2019 | Jun 5, 2019 | Yes |
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 42-475-37559 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-475-37559 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Lucy Adams42-475-37561
0.4 KM · Four Corners Petroleum II, LLC · Section with this well →
| San Andres | 3,535 | -943 |
| Holt | 4,675 | -2,083 |
| Delaware | 6,403 | -3,811 |
| Clear Fork | 6,403 | -3,811 |
| Rustler | — | |
| Yates | — | |
| Tubb | — | |
| Seven Rivers | — |
10 TOPS · FIRST 8
E.W. Estes42-475-37800
0.5 KM · Four Corners Petroleum II, LLC · Section with this well →
| Rustler | 900 | 1,694 |
| Yates | 2,398 | 196 |
| Seven Rivers | 2,623 | -29 |
| Queen | 2,918 | -324 |
| San Andres | 3,538 | -944 |
| Glorieta | 4,705 | -2,111 |
| Holt | 4,705 | -2,111 |
| Clear Fork | 5,157 | -2,563 |
10 TOPS · FIRST 8
Lucy Adams42-475-37751
0.7 KM · Four Corners Petroleum II, LLC · Section with this well →
| San Andres | 3,493 | -903 |
| Holt | 4,660 | -2,070 |
| Clear Fork | 5,126 | -2,536 |
| Tubb | 5,999 | -3,409 |
| Wichita-Albany | 6,155 | -3,565 |
| Queen | — | |
| Yates | — | |
| Seven Rivers | — |
11 TOPS · FIRST 8
Lucy Adams42-475-37749
0.8 KM · Four Corners Petroleum II, LLC · Section with this well →
| San Andres | 3,519 | -925 |
| Holt | 4,687 | -2,093 |
| Clear Fork | 5,059 | -2,465 |
| Tubb | 5,918 | -3,324 |
| Delaware | — | |
| Glorieta | — | |
| Yates | — | |
| Seven Rivers | — |
10 TOPS · FIRST 8
E.W. Estes42-475-37555
0.9 KM · Four Corners Petroleum II, LLC · Section with this well →
| San Andres | 3,493 | -897 |
| Clear Fork | — | |
| Delaware | — | |
| Glorieta | — | |
| Holt | — | |
| Queen | — | |
| Rustler | — | |
| Seven Rivers | — |
10 TOPS · FIRST 8
Lucy Adams42-475-37396
1.0 KM · Four Corners Petroleum II, LLC · Section with this well →
| Rustler | 989 | 1,606 |
| Yates | 2,392 | 203 |
| Seven Rivers | 2,616 | -21 |
| Queen | 2,809 | -214 |
| San Andres | 3,554 | -959 |
| Holt | 4,615 | -2,020 |
| Clear Fork | 5,011 | -2,416 |
| Tubb | 5,823 | -3,228 |
10 TOPS · FIRST 8
Lucy Adams42-475-37613
1.1 KM · Four Corners Petroleum II, LLC · Section with this well →
| San Andres | 3,506 | -917 |
| Holt | 4,677 | -2,088 |
| Clear Fork | 5,125 | -2,536 |
| Tubb | 5,947 | -3,358 |
| Queen | — | |
| Yates | — | |
| Seven Rivers | — | |
| Rustler | — |
10 TOPS · FIRST 8
Lucy Adams42-475-37750
1.2 KM · Four Corners Petroleum II, LLC · Section with this well →
| San Andres | 3,480 | -869 |
| Holt | 4,687 | -2,076 |
| Clear Fork | 5,049 | -2,438 |
| Tubb | 5,983 | -3,372 |
| Queen | — | |
| Delaware | — | |
| Glorieta | — | |
| Yates | — |
10 TOPS · FIRST 8
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/47537559, documented in the API reference.