WELL · 42-495-34834 · DISTRICT 8
UL Spruce 1621-21B #421H
Winkler County · Phantom (Wolfcamp) field · Producing · Horizontal
UL Spruce 1621-21b #421H (API 42-495-34834) is a horizontal well in Winkler County operated by Wpx Energy Permian LLC, completed February 10, 2024 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued December 19, 2022, permitted to 14,000 ft.
Completion filings report 11 formation tops, including Rustler, Delaware, Bone Spring, Capitan.
Its lease has reported 274K barrels of oil and 324K mcf of gas since October 2023, last reporting in July 2026.
Operator of record
Oklahoma City, OK · P-5 Y, filed Sep 4, 2025 · 956 permits on file · (800) 465-8314
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | WPX Energy Permian LLC |
| Production reports | WPX Energy Permian, LLCthrough Mar 2026 |
| Latest permit | WPX Energy Permian, LLCDec 19, 2022 |
- 14,000
- total depth, ft
- 1
- permits on file
- Dec 19, 2022
- last permit issued
- Feb 10, 2024
- completed
- 274K
- cumulative oil, bbl
- 324K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2023 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 10, 2024
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.743562, -103.238536
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Winkler 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 |
|---|---|---|---|---|---|---|
| UL Spruce 1621-21B O-10-60344 | Phantom (Wolfcamp) | WPX Energy Permian, LLC | 1 | 274K | 324K | Oct 2023 – Jul 2026 |
Oil, barrels lease total
Last 12 months 68,600 · prior 12 110,914(-38%)
Gas, mcf lease total
Last 12 months 86,188 · prior 12 130,817(-34%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1WPX Energy Permian, LLCOct 2023 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 886224-99 | Drill | WPX Energy Permian, LLC | Dec 5, 2022 | Dec 19, 2022 | May 1, 2023 | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-60344 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,835 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| RustlerRUSTLER - POSSIBLE FLOW; POSSIBL | 1,100 | 1,735 |
| Delaware | 5,087 | -2,252 |
| Bone Spring2ND BONE SPRING | 10,057 | -7,222 |
| Bone Spring3RD BONE SPRING | 10,785 | -7,950 |
| CapitanCAPITAN REEF - HIGH FLOWS | — | — |
| Clear ForkCLEARFORK | — | — |
| Colby / Queen | — | — |
| Glorieta | — | — |
| Holt | — | — |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | — | — |
| Seven RiversSEVEN RIVERS / QUEEN | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,407 | 22,628 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,511 | 12.25 | 600 S |
| 7 | 12,224 | 8.75 | 1,000 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 | Oct 7, 2024 | Aug 7, 2024 | — |
| 00 | Mar 1, 2024 | Dec 14, 2023 | 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 42-495-34834 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-495-34834 → 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.
UL Spruce 1621-21D42-495-34835
0.0 KM · WPX Energy Permian, LLC · Section with this well →
| Rustler | 1,100 | 1,735 |
| Delaware | 5,079 | -2,244 |
| Glorieta | — | |
| Colby / Queen | — | |
| Clear Fork | — | |
| Capitan | — | |
| Seven Rivers | — | |
| Yates | — |
10 TOPS · FIRST 8
UL Maroon 0904-21E42-495-34836
0.0 KM · WPX Energy Permian, LLC · Section with this well →
| Rustler | 1,040 | 1,794 |
| Delaware | 5,082 | -2,248 |
| Cherry Canyon | 6,069 | -3,235 |
| Seven Rivers | — | |
| Yates | — | |
| San Andres | — | |
| Holt | — | |
| Glorieta | — |
11 TOPS · FIRST 8
UL Spruce 1621-21 A42-495-34106
0.4 KM · Felix Energy Holdings II, LLC · Section with this well →
| Rustler | 1,603 | 1,229 |
| Delaware | 5,058 | -2,226 |
| San Andres | — | |
| Wichita-Albany | — | |
| Yates | — | |
| Clear Fork | — | |
| Colby-Queen | — | |
| Glorieta | — |
10 TOPS · FIRST 8
UL Spruce 1621-2142-495-34104
0.4 KM · WPX Energy Permian, LLC · Section with this well →
| Rustler | 1,603 | 1,229 |
| Delaware | 5,058 | -2,226 |
| Wichita-Albany | — | |
| Yates | — | |
| Holt | — | |
| San Andres | — | |
| Colby-Queen | — | |
| Queen | — |
10 TOPS · FIRST 8
University 9-2142-495-33872
0.4 KM · Felix Water, LLC · Section with this well →
| Rustler | 893 | 1,948 |
| Delaware | 5,067 | -2,226 |
| Clear Fork | — | |
| Colby-Queen | — | |
| Glorieta | — | |
| Holt | — | |
| Queen | — | |
| San Andres | — |
10 TOPS · FIRST 8
UL Spruce 1621-2142-495-34107
0.5 KM · Felix Energy Holdings II, LLC · Section with this well →
| Rustler | 1,603 | 1,232 |
| Delaware | 5,058 | -2,223 |
| Fusselman | — | |
| Ellenburger | — | |
| Colby-Queen | — | |
| Yates | — | |
| Silurian (undifferentiated) | — | |
| San Andres | — |
10 TOPS · FIRST 8
UL Spruce 1621-2142-495-34105
0.5 KM · Felix Energy Holdings II, LLC · Section with this well →
| Rustler | 1,603 | 1,232 |
| Delaware | 5,058 | -2,223 |
| Colby-Queen | — | |
| Yates | — | |
| San Andres | — | |
| Queen | — | |
| Holt | — | |
| Glorieta | — |
10 TOPS · FIRST 8
UL Maroon 0904-21 A42-495-34108
0.5 KM · Felix Energy Holdings II, LLC · Section with this well →
| Rustler | 1,554 | 1,279 |
| Delaware | 5,064 | -2,231 |
| Wichita-Albany | — | |
| Yates | — | |
| Clear Fork | — | |
| Glorieta | — | |
| Colby-Queen | — | |
| Queen | — |
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/49534834, documented in the API reference.