TEXAS · WELLS · KARNES COUNTY · API 42-255-33089 · DISTRICT 02

L.B. Hailey Unit #3H

Shut in

Karnes County · Eagleville (Eagle Ford-2) field · Temp Abandoned  · Horizontal

L.B. Hailey Unit #3H (API 42-255-33089) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed June 13, 2013 and listed as temp abandoned on the RRC schedule, shut in May 1, 2021.

The RRC has issued one drilling permit, issued March 29, 2013, permitted to 11,871 ft.

Completion filings report 3 formation tops, including Anacacho, Austin Chalk, Eagle Ford.

Its 2 leases have reported 459K barrels of oil and 2.7M mcf of gas since June 2013, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.

Operator of record

Marathon Oil EF LLC

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Sep 26, 2025
Permits on file
3,191
Phone
(832) 486-2737

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMarathon Oil EF LLC
Production reportsMarathon Oil EF LLCthrough Jan 2026
Latest permitMarathon Oil EF LLCMar 29, 2013
11,871
total depth, ft
1
permits on file
Mar 29, 2013
last permit issued
Jun 13, 2013
completed
459K
cumulative oil, bbl
2.7M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2013 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 13, 2013
Shut in
May 1, 2021
Plugged
—

Operator's P-5 on the schedule: Active – Extension (X)

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

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 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
L.B. Hailey Unit G-2-294318Eagleville (Eagle Ford-2)Marathon Oil EF LLC101.12MJun 2013 – Jul 2026
L.B. Hailey Unit O-2-10556Eagleville (Eagle Ford-2)Marathon Oil EF LLC3459K1.58MJun 2013 – Jul 2026

Oil, barrels lease total

Last 12 months 1,129 · prior 12 22,795(-95%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 2,454 · prior 12 92,449(-97%)

010K20K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCJun 2013 → Jan 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
759491-99DrillMarathon Oil EF LLCMar 26, 2013Mar 29, 2013Apr 18, 201317,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Jun 13, 2013L.B. Hailey Unit G-2-294318Eagleville (Eagle Ford-2)Marathon Oil EF LLCTemp Abandoned · shut in May 1, 202111,871
Jun 13, 2013L.B. Hailey Unit O-2-10556Eagleville (Eagle Ford-2)Marathon Oil EF LLCNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 447 ft elevation.Download CSV →

FormationMD ftSubsea
Anacacho11,696-11,249
Austin Chalk11,834-11,387
Eagle Ford11,959-11,512

Perforations

Perforated and open-hole intervals.

FromToType
12,35417,552Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6256,10012.251,860 S
5.517,7228.52,080 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
00Apr 26, 2023Apr 12, 2023Yes
00Aug 29, 2013Jul 8, 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.

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/25533089, documented in the API reference.