WELL · 42-177-32959 · DISTRICT 1

T. R. Marshall Unit #13H

N

Gonzales County · Eagleville (Eagle Ford-1) field  · Horizontal

T. R. Marshall Unit #13H (API 42-177-32959) is a horizontal well in Gonzales County operated by Eog Resources Inc., completed July 8, 2013.

The RRC has issued one drilling permit, issued April 24, 2013, permitted to 12,500 ft.

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

Its 2 leases have reported 1.54M barrels of oil and 2.92M mcf of gas since December 2010, last reporting in July 2026. The leases carry 13 wells, so these are lease totals, not this well alone.

Operator of record

EOG Resources Inc.

Based in
Midland, TX
P-5 status
Active (A)
P-5 last filed
Oct 2, 2025
Permits on file
16,348
Phone
(713) 651-7000

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleEOG Resources Inc.
Production reportsEOG Resources, Inc.through Apr 2026
Latest permitEOG Resources, Inc.Apr 24, 2013
12,500
total depth, ft
1
permits on file
Apr 24, 2013
last permit issued
Jul 8, 2013
completed
1.54M
cumulative oil, bbl
2.92M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2010 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jul 8, 2013
Shut in
—
Plugged
—

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Marshall, T. R. Unit O-1-15249Eagleville (Eagle Ford-1)EOG Resources, Inc.111.46M2.84MDec 2010 – Jul 2026
T. R. Marshall Unit O-1-17050Eagleville (Eagle Ford-1)EOG Resources, Inc.286.8K72.9KJul 2013 – Jun 2014

Oil, barrels lease total

Last 12 months 18,079 · prior 12 20,199(-10%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 44,241 · prior 12 58,966(-25%)

05K10K202420252026

Chain of custody

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

  1. 1EOG Resources, Inc.Dec 2010 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
760772-99DrillEOG Resources, Inc.Apr 15, 2013Apr 24, 2013May 17, 201312,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-15249————
—— O-1-17050————

Formation tops

As filed on W-2/G-1. Subsea from 322 ft elevation.Download CSV →

FormationMD ftSubsea
Anacacho10,134-9,812
Austin Chalk10,548-10,226
Eagle Ford10,980-10,658

Perforations

Perforated and open-hole intervals.

FromToType
11,39915,660Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6252,53012.25755 S
5.515,7418.52,405 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 26, 2013Aug 23, 2013Yes
00Oct 22, 2013Aug 23, 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/17732959, documented in the API reference.