WELL · 42-255-32821 · DISTRICT 2

Ridley 01 #04H

N

Karnes County · Sugarkane (Eagle Ford) field  · Horizontal

Ridley 01 #04H (API 42-255-32821) is a horizontal well in Karnes County operated by Pioneer Natural Res. USA Inc., completed January 4, 2013.

The RRC has issued one drilling permit (amended once), issued November 13, 2012, permitted to 21,000 ft.

Completion filings report 3 formation tops, including Austin Chalk, To Egfd, Top Egfd.

Its 2 leases have reported 2.87M barrels of oil and 6.55M mcf of gas since February 2012, last reporting in July 2026. The leases carry 12 wells, so these are lease totals, not this well alone.

Operator of record

Pioneer Natural Res. USA Inc.

Spring, TX · P-5 Y, filed May 4, 2026 · 15,619 permits on file · (972) 598-8150

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulePioneer Natural Res. USA Inc.
Production reportsMarathon Oil EF LLCthrough Apr 2026
Latest permitPioneer Natural Res. USA, Inc.Nov 13, 2012

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

21,000
total depth, ft
2
permits on file
Nov 13, 2012
last permit issued
Jan 4, 2013
completed
2.87M
cumulative oil, bbl
6.55M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2012 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jan 4, 2013
Shut in
—
Plugged
—

Surface location

28.898192, -97.772192

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Karnes 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 12 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Ridley 01 O-2-11355Sugarkane (Eagle Ford)Marathon Oil EF LLC112.87M6.55MFeb 2012 – Jul 2026
Ridley 01 G-2-269685Sugarkane (Eagle Ford)Pioneer Natural Res. USA, Inc.100Jan 2013 – Mar 2016

Oil, barrels lease total

Last 12 months 569,670 · prior 12 418,530(+36%)

050K100K150K202420252026

Gas, mcf lease total

Last 12 months 1,664,838 · prior 12 1,163,726(+43%)

0200K400K202420252026

Chain of custody

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

  1. 1Pioneer Natural Res. USA, Inc.Feb 2012 → Sep 2019
  2. 2Ensign Operating LLCOct 2019 → Feb 2023
  3. 3Marathon Oil EF LLCMar 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
749619-98DrillPioneer Natural Res. USA, Inc.Aug 23, 2017Nov 13, 2012Nov 13, 201221,000
749619-99DrillPioneer Natural Res. USA, Inc.Oct 9, 2012Nov 13, 2012Nov 13, 201221,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-269685————
—— O-2-11355————

Formation tops

As filed on W-2/G-1. Subsea from 229 ft elevation.Download CSV →

FormationMD ftSubsea
Austin ChalkAUSTIN CHALK (UPPER)12,432-12,203
Austin ChalkAUSTIN CHALK (LOWER)12,575-12,346
TO Egfd12,739-12,510
Top Egfd12,739-12,510

Perforations

Perforated and open-hole intervals.

FromToType
13,18518,858Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37580617.5799 S
9.3759,61312.25532 S
5.519,0748.52,100 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 28, 2017Jun 1, 2017—
00Sep 10, 2013May 6, 2013Yes

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 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 →

Ridley 0142-255-32959

0.6 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Carrizo5,796-5,567
Midway9,876-9,647
Eagle Ford12,770-12,541

Ridley 0142-255-38121

0.6 KM · Marathon Oil EF LLC · Section with this well →

Queen City13496
Reklaw1,235-1,005
Carrizo1,325-1,095
Wilcox1,425-1,195
Austin Chalk12,452-12,222
Eagle Ford13,027-12,797
Yegua—
Sligo—

10 TOPS · FIRST 8

Ridley 0142-255-38118

0.6 KM · Marathon Oil EF LLC · Section with this well →

Queen City13496
Reklaw1,235-1,005
Carrizo1,325-1,095
Wilcox1,425-1,195
Austin Chalk12,452-12,222
Eagle Ford12,960-12,730
Sligo—
Edwards—

10 TOPS · FIRST 8

Ridley 0142-255-38120

0.6 KM · Marathon Oil EF LLC · Section with this well →

Queen City13497
Reklaw1,235-1,004
Carrizo1,325-1,094
Wilcox1,425-1,194
Austin Chalk11,950-11,719
Eagle Ford12,935-12,704
Edwards—
Yegua—

10 TOPS · FIRST 8

Reynolds Gas Unit 242-255-38078

1.0 KM · Marathon Oil EF LLC · Section with this well →

Reklaw4,839-4,583
Carrizo5,646-5,390
Wilcox5,828-5,572
Austin Chalk12,559-12,303
Eagle Ford12,719-12,463
Edwards—
Queen City—
Sligo—

10 TOPS · FIRST 8

Reynolds Gas Unit 242-255-38077

1.0 KM · Marathon Oil EF LLC · Section with this well →

Reklaw4,839-4,583
Carrizo5,646-5,390
Wilcox5,828-5,572
Austin Chalk12,530-12,274
Eagle Ford12,737-12,481
Frio—
Queen City—
Sligo—

10 TOPS · FIRST 8

Ridley 0142-255-32977

1.1 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Carrizo5,842-5,609
Midway9,145-8,912
Eagle Ford12,452-12,219

Ridley 0142-255-32978

1.1 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Carrizo6,338-6,106
Midway9,426-9,194
Eagle Ford12,775-12,543

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/25532821, documented in the API reference.