WELL · 42-123-35109 · DISTRICT 2

James Gano 01 - PF01 - J01 A #01H

Y

DE Witt County · DE Witt (Eagle Ford Shale) field · Temp Abandoned  · Horizontal

James Gano 01 - Pf01 - J01 A #01H (API 42-123-35109) is a horizontal well in De Witt County operated by Marathon Oil EF LLC, completed August 4, 2022 and listed as temp abandoned on the RRC schedule.

The RRC has issued one drilling permit, issued October 1, 2021, permitted to 26,000 ft.

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

Completion filings report 8 formation tops, including Wilcox, Austin Chalk, Eagle Ford, Catahoula.

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 Jan 2026
Latest permitEnsign Operating LLCOct 1, 2021

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

26,000
total depth, ft
1
permits on file
Oct 1, 2021
last permit issued
Aug 4, 2022
completed
0
cumulative oil, bbl
3.23M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 2022 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 4, 2022
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.991764, -97.579777

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in DE Witt 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
James Gano 01 - PF01 - J01 A G-2-293312DE Witt (Eagle Ford Shale)Marathon Oil EF LLC103.23MAug 2022 – Jul 2026

Gas, mcf lease total

Last 12 months 168,061 · prior 12 432,836(-61%)

050K100K150K202420252026

Chain of custody

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

  1. 1Ensign Operating LLCAug 2022 → Feb 2023
  2. 2Marathon Oil EF LLCMar 2023 → Jan 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
873179-99DrillEnsign Operating LLCSep 28, 2021Oct 1, 2021Apr 29, 202226,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-293312————

Formation tops

As filed on W-2/G-1. Subsea from 308 ft elevation.Download CSV →

FormationMD ftSubsea
Wilcox6,299-5,991
Austin Chalk13,110-12,802
Eagle Ford13,379-13,071
Catahoula——
EdwardsEDWARDS - H2S——
Frio——
Vicksburg——
Yegua——

Perforations

Perforated and open-hole intervals.

FromToType
13,76821,068Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6254,52712.251,482 S
5.521,1368.754,426 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
00Oct 26, 2022Sep 26, 2022Yes

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 →

James Gano 01 - PF01 - J01 B42-123-35110

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

Wilcox6,252-5,943
Austin Chalk13,116-12,807
Eagle Ford13,387-13,078
Catahoula—
Yegua—
Vicksburg—
Frio—
Edwards—

James Gano 01 - PF01 - J01 C42-123-35111

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

Wilcox6,258-5,949
Austin Chalk13,110-12,801
Eagle Ford13,374-13,065
Catahoula—
Vicksburg—
Frio—
Edwards—
Yegua—

Jahn Unit42-123-35161

1.8 KM · Magnolia Oil & Gas Operating LLC · Section with this well →

Wilcox7,144-6,827
Midway10,009-9,692
Navarro11,358-11,041
Tyler12,065-11,748
Pecan Gap12,959-12,642
Catahoula—
Frio—
Vicksburg—

9 TOPS · FIRST 8

Jahn Unit42-123-34924

1.8 KM · Magnolia Oil & Gas Operating LLC · Section with this well →

Wilcox7,121-6,804
Austin Chalk13,073-12,756
Eagle Ford13,301-12,984
Vicksburg—
Catahoula—
Edwards—
Yegua—
Frio—

Jahn Unit42-123-34925

1.8 KM · Magnolia Oil & Gas Operating LLC · Section with this well →

Wilcox7,121-6,803
Austin Chalk13,073-12,755
Eagle Ford13,343-13,025
Yegua—
Vicksburg—
Frio—
Edwards—
Catahoula—

Jahn Unit42-123-34926

1.8 KM · Magnolia Oil & Gas Operating LLC · Section with this well →

Wilcox7,121-6,803
Austin Chalk13,075-12,757
Eagle Ford13,330-13,012
Vicksburg—
Edwards—
Catahoula—
Yegua—
Frio—

Jahn Unit42-123-34927

1.8 KM · Magnolia Oil & Gas Operating LLC · Section with this well →

Wilcox7,121-6,803
Austin Chalk12,972-12,654
Eagle Ford13,339-13,021
Vicksburg—
Frio—
Edwards—
Catahoula—
Yegua—

Jahn Unit42-123-35162

1.8 KM · Magnolia Oil & Gas Operating LLC · Section with this well →

Wilcox7,285-6,968
Austin Chalk13,081-12,764
Eagle Ford13,366-13,049
Catahoula—
Yegua—
Vicksburg—
Edwards—
Frio—

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/12335109, documented in the API reference.