TEXAS · WELLS · DE WITT COUNTY · API 42-123-32936 · DISTRICT 02

Thomas Duhon Unit #1H

Shut in

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

Thomas Duhon Unit #1H (API 42-123-32936) is a horizontal well in De Witt County operated by Marathon Oil EF LLC, completed May 12, 2013 and listed as temp abandoned on the RRC schedule, shut in February 1, 2026.

The RRC has issued one drilling permit, issued October 29, 2012, permitted to 12,866 ft.

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

Its 2 leases have reported 31.5K barrels of oil and 189K mcf of gas since May 2013, last reporting volume in January 2026. The leases carry 2 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 LLCOct 29, 2012
12,866
total depth, ft
1
permits on file
Oct 29, 2012
last permit issued
May 12, 2013
completed
31.5K
cumulative oil, bbl
189K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2013 THROUGH Jan 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 12, 2013
Shut in
Feb 1, 2026
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 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Thomas Duhon Unit G-2-286010Eagleville (Eagle Ford-2)Marathon Oil EF LLC131.5K189KMay 2013 – Jan 2026
Thomas Duhon Unit O-2-10496Eagleville (Eagle Ford-2)Marathon Oil EF LLC100May 2013 – —

Gas, mcf lease total

Last 12 months 134 · prior 12 83(+61%)

0200400202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCMay 2013 → Jan 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
750398-99DrillMarathon Oil EF LLCOct 24, 2012Oct 29, 2012Feb 8, 201315,000

Completions

CompletedLeaseFieldOperatorStatusDepth
May 12, 2013Thomas Duhon Unit G-2-286010Eagleville (Eagle Ford-2)Marathon Oil EF LLCTemp Abandoned · shut in Feb 1, 202612,866
Jul 13, 2013Thomas Duhon Unit O-2-10496Eagleville (Eagle Ford-2)Marathon Oil EF LLCNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 258 ft elevation.Download CSV →

FormationMD ftSubsea
Anacacho12,126-11,868
Austin Chalk12,391-12,133
Eagle Ford12,910-12,652

Perforations

Perforated and open-hole intervals.

FromToType
13,40018,301Perforated
16,70418,301Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.754,24014.751,780 S
7.62510,2129.8751,337 S
5.518,4216.751,028 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Mar 29, 2019Jan 22, 2019—
00Sep 24, 2013Aug 2, 2013Yes
00Aug 5, 2013Jun 11, 2013Yes
00Jul 2, 2013May 2, 2013Yes

Well logs

3 logs loaded from the RRC's log index, the latest received Sep 19, 2016. Resistivity. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.

Open the RRC's log search for this well ↗
Logas describedFiles Intervalft, as filedDatereceivedSizeMB
RESISTIVITYSpans Anacacho, Austin Chalk, Eagle FordTIFF8,500 to 18,421Sep 19, 2016run Jan 24, 20130.74
RESISTIVITYSpans Anacacho, Austin Chalk, Eagle FordTIFF8,500 to 18,421Jan 12, 2015run Jan 24, 20131.38
RESISTIVITYSpans Anacacho, Austin Chalk, Eagle FordTIFF8,500 to 16,610Jun 29, 2016run Jan 14, 20130.60

"Spans" is by this well's own filed formation tops: a formation runs from its top to the next deeper top filed, and the deepest runs to the bottom of the log. Depths are measured along the wellbore, so on a horizontal the lateral counts in the formation it was landed in.

Find logs withinmiles of this well:List →Map →

Search the well logs loaded into Petrora →

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.

The logs loaded for this well are under Well logs, with the RRC's log search for it.

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/12332936, documented in the API reference.