WELL · 42-475-38007 · DISTRICT 8

Elk Alley A2 #21UH

Y

Ward County · Phantom (Wolfcamp) field · Shut IN  · Horizontal

Elk Alley A2 #21UH (API 42-475-38007) is a horizontal well in Ward County operated by Apache Corporation, completed October 17, 2020 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued September 26, 2019, permitted to 11,900 ft.

It was permitted by Callon Petroleum Operating CO and has since transferred to Apache Corporation on the wellbore schedule.

Completion filings report 21 formation tops, including Rustler, Salado, Lamar, Bell Canyon.

Its lease has reported 375K barrels of oil and 578K mcf of gas since January 2020, last reporting in July 2026.

Operator of record

Apache Corporation

Permitted by Callon Petroleum Operating Co; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Oct 4, 2025 · 9,754 permits on file · (713) 296-6400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleApache Corporation
Production reportsApache Corporationthrough Apr 2025
Latest permitCallon Petroleum Operating CoSep 26, 2019

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

11,900
total depth, ft
2
permits on file
Sep 26, 2019
last permit issued
Oct 17, 2020
completed
375K
cumulative oil, bbl
578K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2020 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 17, 2020
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

31.488269, -103.266436

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Elk Alley A2 O-10-54383Phantom (Wolfcamp)Apache Corporation1375K578KJan 2020 – Jul 2026

Oil, barrels lease total

Last 12 months 0 · prior 12 6,300(-100%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 0 · prior 12 7,768(-100%)

05K10K202420252026

Chain of custody

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

  1. 1Callon Petroleum Operating CoJan 2020 → Jun 2024
  2. 2Apache CorporationAug 2024 → Apr 2025

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
857356-98DrillCallon Petroleum Operating CoOct 16, 2019Sep 26, 2019Nov 11, 201911,900
857356-99DrillCallon Petroleum Operating CoSep 23, 2019Sep 26, 2019Nov 11, 201911,900

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-54383————

Formation tops

As filed on W-2/G-1. Download CSV →

FormationMD ft
Rustler635
Salado1,210
Lamar5,123
Bell Canyon5,161
Brushy Canyon7,456
AvalonUPPER AVALON8,407
Bone SpringBONE SPRING LIME8,648
Bone Spring2ND BONE SPRING10,105
Bone Spring2ND BONE SPRING SHALE10,574
Bone Spring3RD BONE SPRING10,928
WolfcampWOLFCAMP B11,510
Atoka—
Clear ForkCLEARFORK—
Delaware—
Devonian—
Ellenburger—
Fusselman—
Glorieta—
Holt—
Queen—
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO—
Seven Rivers—
Tubb—
Yates—

Perforations

Perforated and open-hole intervals.

FromToType
11,97221,885Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,24717.5833 S
10.756,84212.25645 S
7.62511,3029.875537 S
5.521,9976.751,271 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
00Sep 2, 2022May 25, 2022Yes
00Sep 16, 2020Sep 9, 2020—
00Aug 25, 2020May 23, 2020Yes

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 →

Winchester A242-475-38005

0.0 KM · Callon Petroleum Operating Co · Section with this well →

Rustler635
Salado1,210
Lamar5,123
Bell Canyon5,161
San Andres—
Seven Rivers—
Yates—
Queen—

10 TOPS · FIRST 8

Winchester A742-475-38697

0.4 KM · Callon Petroleum Operating Co · Section with this well →

Rustler6152,083
Delaware5,146-2,448
Clear Fork—
Seven Rivers—
San Andres—
Queen—
Holt—
Capitan—

10 TOPS · FIRST 8

Winchester A642-475-38696

0.4 KM · Callon Petroleum Operating Co · Section with this well →

Rustler6152,082
Delaware5,140-2,443
Yates—
Seven Rivers—
San Andres—
Queen—
Holt—
Glorieta—

10 TOPS · FIRST 8

Winchester A742-475-38714

0.4 KM · Callon Petroleum Operating Co · Section with this well →

Rustler6152,082
Delaware5,143-2,446
Glorieta—
Holt—
Queen—
San Andres—
Seven Rivers—
Yates—

10 TOPS · FIRST 8

Teewinot A142-475-37662

0.9 KM · Callon Petroleum Operating Co · Section with this well →

Lamar5,123
Bell Canyon5,161
Yates—
Clear Fork—
Delaware—
Glorieta—
Holt—
Queen—

12 TOPS · FIRST 8

Teewinot A242-475-37663

1.1 KM · Callon Petroleum Operating Co · Section with this well →

Brushy Canyon7,420
Avalon8,397
Bone Spring8,504
Bone Spring10,069
Bone Spring10,588
Bone Spring10,897
Rustler—
Glorieta—

16 TOPS · FIRST 8

Winchester A342-475-38689

1.2 KM · Callon Petroleum Operating Co · Section with this well →

Rustler6002,087
Delaware5,103-2,416
Clear Fork—
Yates—
Seven Rivers—
San Andres—
Queen—
Holt—

10 TOPS · FIRST 8

Winchester A442-475-38690

1.2 KM · Callon Petroleum Operating Co · Section with this well →

Rustler6002,087
Delaware5,103-2,416
Clear Fork—
Glorieta—
Yates—
Seven Rivers—
San Andres—
Holt—

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/47538007, documented in the API reference.