WELL · 42-297-35913 · DISTRICT 2

Free Unit #12H

Y

Live Oak County · Sugarkane (Eagle Ford) field · Temp Abandoned  · Horizontal

Free Unit #12H (API 42-297-35913) is a horizontal well in Live Oak County operated by Marathon Oil EF LLC, completed July 27, 2018 and listed as temp abandoned on the RRC schedule.

The RRC has issued one drilling permit, issued March 2, 2018, permitted to 21,000 ft.

Completion filings report 10 formation tops, including Hockley - Disposal, Jackson, Cook Mountain, Queen City.

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

Operator of record

Marathon Oil EF LLC

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 permitMarathon Oil EF LLCMar 2, 2018
21,000
total depth, ft
1
permits on file
Mar 2, 2018
last permit issued
Jul 27, 2018
completed
0
cumulative oil, bbl
1.94M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jul 27, 2018
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.617233, -98.138139

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
Free Unit G-2-284751Sugarkane (Eagle Ford)Marathon Oil EF LLC101.94MApr 2018 – Jul 2026

Gas, mcf lease total

Last 12 months 34,513 · prior 12 41,596(-17%)

05K10K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCJul 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
835730-99DrillMarathon Oil EF LLCJan 29, 2018Mar 2, 2018Jul 8, 201821,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-284751————

Formation tops

As filed on W-2/G-1. Subsea from 303 ft elevation.Download CSV →

FormationMD ftSubsea
Hockley - Disposal1,034-731
JacksonJACKSON-YEGUA - DISPOSAL1,663-1,360
Cook Mountain2,872-2,569
Queen City4,017-3,714
Wilcox6,249-5,946
Austin Chalk12,618-12,315
Eagle FordEAGLE FORD - H2S12,633-12,330
EdwardsEDWARDS - H2S——
FrioFRIO - DISPOSAL——
SligoSLIGO - H2S——

Perforations

Perforated and open-hole intervals.

FromToType
13,07917,143Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6256,27212.251,821 S
5.517,2508.752,969 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
00Nov 13, 2018Aug 31, 2018Yes
00Oct 3, 2018Aug 31, 2018Yes

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 →

Free Unit42-297-35912

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

Hockley - Disposal1,034-731
Jackson1,663-1,360
Cook Mountain2,872-2,569
Queen City4,017-3,714
Wilcox6,249-5,946
Austin Chalk12,594-12,291
Eagle Ford12,624-12,321
Frio—

10 TOPS · FIRST 8

Free Unit42-297-35911

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

Hockley - Disposal1,034-730
Jackson1,663-1,359
Cook Mountain2,872-2,568
Queen City4,017-3,713
Wilcox6,249-5,945
Austin Chalk12,602-12,298
Eagle Ford12,636-12,332
Frio—

10 TOPS · FIRST 8

Free Unit42-297-35868

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

Hockley - Disposal1,062-763
Jackson1,691-1,392
Cook Mountain2,900-2,601
Queen City4,045-3,746
Wilcox6,277-5,978
Austin Chalk12,648-12,349
Eagle Ford12,685-12,386
Sligo—

10 TOPS · FIRST 8

Frank Malek 0142-297-36220

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

Queen City4,438-4,173
Wilcox5,170-4,905
Austin Chalk12,637-12,372
Eagle Ford12,671-12,406
Edwards—
Jackson—
Sligo—
Hockley - Disposal—

10 TOPS · FIRST 8

Frank Malek 0142-297-36221

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

Queen City4,409-4,144
Wilcox5,188-4,923
Austin Chalk12,638-12,373
Eagle Ford12,670-12,405
Edwards—
Jackson—
Cook Mountain—
Hockley - Disposal—

10 TOPS · FIRST 8

Frank Malek 0242-297-36225

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

Queen City3,692-3,426
Carrizo5,098-4,832
Wilcox5,098-4,832
Midway8,029-7,763
Austin Chalk12,664-12,398
Eagle Ford12,697-12,431
Hockley - Disposal—
Edwards—

12 TOPS · FIRST 8

Frank Malek 0242-297-36224

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

Queen City3,692-3,429
Reklaw4,174-3,911
Carrizo5,098-4,835
Wilcox5,201-4,938
Midway8,029-7,766
Olmos10,889-10,626
Austin Chalk12,664-12,401
Eagle Ford12,697-12,434

13 TOPS · FIRST 8

Nitsch Unit a-B Psa42-297-35959

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

Hockley - Disposal1,062-771
Jackson1,691-1,400
Cook Mountain2,899-2,608
Queen City4,044-3,753
Wilcox6,277-5,986
Austin Chalk12,640-12,349
Eagle Ford12,679-12,388
Frio—

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/29735913, documented in the API reference.