WELL · 42-297-36243 · DISTRICT 2

Herrejon 01 #07H

Y

Live Oak County · Sugarkane (Eagle Ford) field · Producing  · Horizontal

Herrejon 01 #07H (API 42-297-36243) is a horizontal well in Live Oak County operated by Marathon Oil EF LLC, completed September 14, 2022 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued May 19, 2022, permitted to 22,000 ft.

It was permitted by Ensign Operating LLC and has since transferred to Marathon Oil EF LLC on the wellbore schedule.

Completion filings report 10 formation tops, including Queen City, Wilcox, Austin Chalk, Eagle Ford.

No lease production has been reported under this well’s leases.

Operator of record

Marathon Oil EF LLC

Permitted by Ensign Operating LLC; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Aug 4, 2025 · 3,191 permits on file · (800) 332-9449

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMarathon Oil EF LLC
Production reportsMarathon Oil EF LLCthrough Apr 2026
Latest permitEnsign Operating LLCMay 19, 2022

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

22,000
total depth, ft
1
permits on file
May 19, 2022
last permit issued
Sep 14, 2022
completed
0
cumulative oil, bbl
2.12M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2022 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 14, 2022
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.543613, -98.186080

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Live Oak 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
Herrejon 01 G-2-293711Sugarkane (Eagle Ford)Marathon Oil EF LLC102.12MSep 2022 – Jul 2026

Gas, mcf lease total

Last 12 months 163,575 · prior 12 292,841(-44%)

050K100K202420252026

Chain of custody

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

  1. 1Ensign Operating LLCSep 2022 → Feb 2023
  2. 2Marathon Oil EF LLCMar 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
880123-99DrillEnsign Operating LLCMay 12, 2022May 19, 2022Jul 20, 202222,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-293711————

Formation tops

As filed on W-2/G-1. Subsea from 204 ft elevation.Download CSV →

FormationMD ftSubsea
Queen City5,386-5,182
Wilcox5,386-5,182
Austin Chalk12,891-12,687
Eagle FordEAGLE FORD - H2S12,894-12,690
Cook Mountain——
EdwardsEDWARDS - H2S——
FrioFRIO - DISPOSAL——
Hockley - Disposal——
JacksonJACKSON-YEGUA - DISPOSAL——
SligoSLIGO - H2S——

Perforations

Perforated and open-hole intervals.

FromToType
13,09417,808Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6256,45812.252,128 S
5.518,0068.754,183 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
00Jan 13, 2023Jan 5, 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). 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 →

Herrejon 0142-297-36242

0.0 KM · Ensign Operating LLC · Section with this well →

Queen City4,395-4,192
Reklaw4,817-4,614
Wilcox5,349-5,146
Midway8,224-8,021
Navarro9,122-8,919
Olmos10,954-10,751
Cook Mountain—
Frio—

10 TOPS · FIRST 8

Herrejon 0142-297-36244

0.0 KM · Ensign Operating LLC · Section with this well →

Queen City4,403-4,199
Wilcox5,381-5,177
Midway8,245-8,041
Escondido9,130-8,926
Navarro9,146-8,942
Olmos10,941-10,737
Frio—
Jackson—

10 TOPS · FIRST 8

Herrejon 0142-297-36241

0.0 KM · Ensign Operating LLC · Section with this well →

Queen City4,402-4,200
Wilcox5,390-5,188
Reklaw5,390-5,188
Hockley - Disposal—
Cook Mountain—
Eagle Ford—
Edwards—
Frio—

10 TOPS · FIRST 8

Three Sisters 01-Lop 02 SA142-297-36378

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

Cook Mountain1,598-1,379
Queen City3,738-3,519
Reklaw4,385-4,166
Carrizo5,036-4,817
Wilcox5,131-4,912
Anacacho12,545-12,326
Austin Chalk12,709-12,490
Eagle Ford12,740-12,521

11 TOPS · FIRST 8

Three Sisters 01-Lop 01 SA242-297-36379

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

Cook Mountain1,598-1,378
Queen City3,738-3,518
Reklaw4,385-4,165
Carrizo5,036-4,816
Wilcox5,131-4,911
Anacacho12,520-12,300
Austin Chalk12,683-12,463
Eagle Ford12,718-12,498

11 TOPS · FIRST 8

Three Sisters 01-Lop 01 SA342-297-36380

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

Cook Mountain1,598-1,377
Queen City3,738-3,517
Reklaw4,385-4,164
Carrizo5,036-4,815
Wilcox5,131-4,910
Anacacho12,494-12,273
Austin Chalk12,667-12,446
Eagle Ford12,704-12,483

11 TOPS · FIRST 8

Live Oak Partners 0142-297-36381

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

Cook Mountain1,598-1,376
Queen City3,738-3,516
Wilcox5,131-4,909
Austin Chalk12,666-12,444
Eagle Ford12,701-12,479
Frio—
Hockley - Disposal—
Jackson—

10 TOPS · FIRST 8

Dobie Ranch42-297-36407

4.5 KM · Burlington Resources O & G Co LP · Section with this well →

Jackson1,585-1,350
Cook Mountain2,559-2,324
Queen City3,837-3,602
Wilcox5,330-5,095
Austin Chalk12,665-12,430
Eagle Ford12,744-12,509
Frio—
Hockley - Disposal—

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/29736243, documented in the API reference.