WELL · 42-495-34834 · DISTRICT 8

UL Spruce 1621-21B #421H

Y

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

WPX Energy Permian LLC

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 scheduleWPX Energy Permian LLC
Production reportsWPX Energy Permian, LLCthrough Mar 2026
Latest permitWPX 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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
UL Spruce 1621-21B O-10-60344Phantom (Wolfcamp)WPX Energy Permian, LLC1274K324KOct 2023 – Jul 2026

Oil, barrels lease total

Last 12 months 68,600 · prior 12 110,914(-38%)

010K20K30K202420252026

Gas, mcf lease total

Last 12 months 86,188 · prior 12 130,817(-34%)

010K20K30K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1WPX Energy Permian, LLCOct 2023 → Mar 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
886224-99DrillWPX Energy Permian, LLCDec 5, 2022Dec 19, 2022May 1, 202314,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-60344————

Formation tops

As filed on W-2/G-1. Subsea from 2,835 ft elevation.Download CSV →

FormationMD ftSubsea
RustlerRUSTLER - POSSIBLE FLOW; POSSIBL1,1001,735
Delaware5,087-2,252
Bone Spring2ND BONE SPRING10,057-7,222
Bone Spring3RD BONE SPRING10,785-7,950
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.

FromToType
12,40722,628Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,51112.25600 S
712,2248.751,000 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Oct 7, 2024Aug 7, 2024—
00Mar 1, 2024Dec 14, 2023Yes

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.

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.

Open the cross-section →

UL Spruce 1621-21D42-495-34835

0.0 KM · WPX Energy Permian, LLC · Section with this well →

Rustler1,1001,735
Delaware5,079-2,244
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 →

Rustler1,0401,794
Delaware5,082-2,248
Cherry Canyon6,069-3,235
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 →

Rustler1,6031,229
Delaware5,058-2,226
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 →

Rustler1,6031,229
Delaware5,058-2,226
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 →

Rustler8931,948
Delaware5,067-2,226
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 →

Rustler1,6031,232
Delaware5,058-2,223
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 →

Rustler1,6031,232
Delaware5,058-2,223
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 →

Rustler1,5541,279
Delaware5,064-2,231
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.