TEXAS · WELLS · ATASCOSA COUNTY · STEWART-GIESE UNIT LEASE · API 42-013-34401 · DISTRICT 01

Stewart-Giese Unit #1H

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Atascosa County · Eagleville (Eagle Ford-1) field · Producing  · Horizontal

Stewart-Giese Unit #1H (API 42-013-34401) is a horizontal well in Atascosa County operated by Marathon Oil EF LLC, completed September 8, 2011 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued July 22, 2011, permitted to 10,945 ft.

It was permitted by Hilcorp Energy Company and has since transferred to Marathon Oil EF LLC on the wellbore schedule.

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

Its lease has reported 106K barrels of oil and 140K mcf of gas since September 2011, last reporting volume in August 2025.

Operator of record

Marathon Oil EF LLC

Permitted by Hilcorp Energy Company; the EWA schedule now lists a different operator.

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 Aug 2025
Latest permitHilcorp Energy CompanyJul 22, 2011

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

10,945
total depth, ft
1
permits on file
Jul 22, 2011
last permit issued
Sep 8, 2011
completed
106K
cumulative oil, bbl
140K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2011 THROUGH Aug 2025

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 8, 2011
Shut in
—
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 lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Stewart-Giese Unit O-1-15600Eagleville (Eagle Ford-1)Marathon Oil EF LLC1106K140KSep 2011 – Aug 2025

Oil, barrels lease total

Last 12 months 388 · prior 12 2,745(-86%)

05001K1.5K202420252026

Gas, mcf lease total

Last 12 months 130 · prior 12 1,982(-93%)

05001K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCNov 2011 → Aug 2025

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
720611-99DrillHilcorp Energy CompanyJul 20, 2011Jul 22, 2011Aug 12, 201113,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Sep 8, 2011Stewart-Giese Unit O-1-15600Eagleville (Eagle Ford-1)Marathon Oil EF LLCProducing10,945

Formation tops

As filed on W-2/G-1. Subsea from 441 ft elevation.Download CSV →

FormationMD ftSubsea
Anacho10,490-10,049
Austin Chalk10,540-10,099
Eagle Ford10,710-10,269

Perforations

Perforated and open-hole intervals.

FromToType
11,08615,262Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.755,31113.51,520 S
5.515,3998.52,170 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 7, 2012Nov 7, 2011Yes

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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

Find logs withinmiles of this well:List →Map →

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/01334401, documented in the API reference.