WELL · 42-475-37947 · DISTRICT 8

Wally A3 #20H

Y

Ward County · Phantom (Wolfcamp) field · Producing  · Horizontal

Wally A3 #20H (API 42-475-37947) is a horizontal well in Ward County operated by Apache Corporation, completed August 28, 2021 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued July 9, 2019, permitted to 12,500 ft.

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

Completion filings report 17 formation tops, including Rustler, Salado, Lamar, Bell Canyon.

Its lease has reported 156K barrels of oil and 341K mcf of gas since February 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 2026
Latest permitCallon Petroleum Operating CoJul 9, 2019

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

12,500
total depth, ft
2
permits on file
Jul 9, 2019
last permit issued
Aug 28, 2021
completed
156K
cumulative oil, bbl
341K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2020 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 28, 2021
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

31.493881, -103.230792

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
Wally A3 O-10-53987Phantom (Wolfcamp)Apache Corporation1156K341KFeb 2020 – Jul 2026

Oil, barrels lease total

Last 12 months 10,688 · prior 12 9,174(+17%)

02K4K202420252026

Gas, mcf lease total

Last 12 months 13,299 · prior 12 72,834(-82%)

010K20K30K202420252026

Chain of custody

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

  1. 1Callon Petroleum Operating CoFeb 2020 → Jul 2024
  2. 2Apache CorporationAug 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
854516-98DrillCallon Petroleum Operating CoJul 31, 2019Jul 9, 2019—12,500
854516-99DrillCallon Petroleum Operating CoJun 24, 2019Jul 9, 2019Oct 23, 201912,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-53987————

Formation tops

As filed on W-2/G-1. Download CSV →

FormationMD ft
Rustler760
Salado1,215
Lamar5,043
Bell Canyon5,063
Brushy Canyon7,327
AvalonUPPER AVALON8,292
Bone SpringBONE SPRING LIME8,486
Bone Spring2ND BONE SPRING10,071
Bone Spring2ND BONE SPRING SHALE10,598
Bone Spring3RD BONE SPRING10,911
WolfcampWOLFCAMP B11,507
Clear ForkCLEARFORK—
Delaware—
Glorieta—
Holt—
Queen—
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO—
Seven Rivers—
Tubb—
Yates—

Perforations

Perforated and open-hole intervals.

FromToType
12,12520,092Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,20517.5833 S
10.756,82312.25645 S
7.62511,2709.875551 S
5.520,1996.751,153 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
00May 29, 2024Mar 27, 2024—
00Jul 20, 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 →

Wally A142-475-37946

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

Rustler760
Clear Fork—
Delaware—
Glorieta—
Holt—
Queen—
Seven Rivers—
San Andres—

10 TOPS · FIRST 8

Wally A142-475-37938

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

Rustler760
Salado1,215
Lamar5,043
Bell Canyon5,063
Brushy Canyon7,317
Avalon8,274
Bone Spring8,474
Bone Spring10,060

11 TOPS · FIRST 8

Wally A242-475-37943

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

Rustler760
Salado1,215
Lamar5,042
Bell Canyon5,074
Brushy Canyon7,313
Avalon8,271
Bone Spring8,468
Bone Spring10,059

16 TOPS · FIRST 8

Wally A142-475-37942

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

Rustler760
Salado1,215
Lamar5,043
Bell Canyon5,063
Brushy Canyon7,317
Avalon8,274
Bone Spring8,474
Bone Spring10,060

10 TOPS · FIRST 8

Arena A242-475-38251

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

Rustler750
Delaware5,074
Yates—
Capitan—
Clear Fork—
Glorieta—
Holt—
Queen—

10 TOPS · FIRST 8

Arena A142-475-38250

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

Rustler750
Delaware5,090
Tubb—
Seven Rivers—
Glorieta—
San Andres—
Yates—
Capitan—

11 TOPS · FIRST 8

Arena A342-475-38247

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

Rustler748
Delaware5,088
Yates—
Capitan—
Clear Fork—
Glorieta—
Holt—
Queen—

10 TOPS · FIRST 8

Arena A542-475-38249

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

Rustler748
Delaware5,089
Yates—
Seven Rivers—
San Andres—
Queen—
Holt—
Capitan—

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/47537947, documented in the API reference.