WELL · 42-307-31209 · DISTRICT 7

White Ranch A #4

N

McCulloch County · Wildcat field  · Vertical

White Ranch A #4 (API 42-307-31209) is a well in Mcculloch County operated by Discovery Operating Inc., completed July 3, 2020.

The RRC has issued one drilling permit (amended once), issued June 10, 2020, permitted to 1,500 ft.

Completion filings report 3 formation tops, including Canyon, Strawn, Problem Zone - Saltwater Flow.

Its 2 leases have reported 7.51K barrels of oil since February 2019, last reporting in July 2026. The leases carry 6 wells, so these are lease totals, not this well alone.

Operator of record

Discovery Operating Inc.

Midland, TX · P-5 Y, filed Dec 4, 2025 · 712 permits on file · (432) 683-5203

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDiscovery Operating Inc.
Production reportsDiscovery Operating, Inc.through Apr 2026
Latest permitDiscovery Operating, Inc.Jun 10, 2020
1,500
total depth, ft
2
permits on file
Jun 10, 2020
last permit issued
Jul 3, 2020
completed
7.51K
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jul 3, 2020
Shut in
—
Plugged
—

Surface location

31.104575, -99.579532

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in McCulloch County.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 6 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
White Ranch 'A' O-9-21139Needle Creek (Strawn)Discovery Operating, Inc.37.51K0Sep 2020 – Jul 2026
White Ranch 'A' O-9-20413WildcatDiscovery Operating, Inc.300Feb 2019 – Dec 2021

Oil, barrels lease total

Last 12 months 977 · prior 12 1,153(-15%)

050100150202420252026

Chain of custody

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

  1. 1Discovery Operating, Inc.Sep 2020 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
863825-98DrillDiscovery Operating, Inc.May 7, 2021Jun 10, 2020Jun 29, 20201,500
863825-99DrillDiscovery Operating, Inc.Jun 5, 2020Jun 10, 2020—1,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-20413————
—— O-9-21139————

Formation tops

As filed on W-2/G-1. Subsea from 1,954 ft elevation.Download CSV →

FormationMD ftSubsea
Canyon1,134820
Strawn1,254700
Problem Zone - Saltwater Flow——

Perforations

Perforated and open-hole intervals.

FromToType
1,2581,268Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
4.51,4287.875425 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 14, 2021Apr 16, 2021Yes
00Dec 10, 2020Dec 3, 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). then paste it into their search.

Nearby wells and their tops

NEAREST 4 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 4 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

White Ranch 'A'42-307-31206

0.1 KM · Discovery Operating, Inc. · Section with this well →

Canyon1,140821
Strawn1,256705
Problem Zone - Saltwater Flow—

White Ranch A42-307-31207

0.3 KM · Discovery Operating, Inc. · Section with this well →

Canyon1,128816
Strawn1,246698
Problem Zone - Saltwater Flow—

White Ranch 'A'42-307-31204

0.6 KM · Callan Operating Company, LLC · Section with this well →

Cisco3121,650
Canyon—
Problem Zone - Saltwater Flow—
Strawn—

Wise42-307-31205

7.0 KM · Sierra Blanca Operating · Section with this well →

Canyon7621,133
Strawn1,006889
Problem Zone - Saltwater Flow—

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/30731209, documented in the API reference.