TEXAS · WELLS · KARNES COUNTY · DIRECT-ROBERT-GROSS SA LEASE · API 42-255-37721 · DISTRICT 02

Direct-Robert-Gross SA #1H

Y

Karnes County · Eagleville (Eagle Ford-2) field · Producing  · Horizontal

Direct-Robert-Gross SA #1H (API 42-255-37721) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed September 11, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued March 10, 2023, permitted to 12,231 ft.

Completion filings report 11 formation tops, including Cook Mountain, Sparta, Queen City, Reklaw.

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

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 Apr 2026
Latest permitMarathon Oil EF LLCMar 10, 2023
12,231
total depth, ft
1
permits on file
Mar 10, 2023
last permit issued
Sep 11, 2023
completed
0
cumulative oil, bbl
782K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2023 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 11, 2023
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active – Extension (X)

Surface location

28.792489, -97.971832

Google Maps ↗

Permit surface location from the RRC GIS record, in Karnes 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
Direct-Robert-Gross SA G-2-295934Eagleville (Eagle Ford-2)Marathon Oil EF LLC10782KJun 2023 – Jul 2026

Gas, mcf lease total

Last 12 months 111,803 · prior 12 169,106(-34%)

050K100K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCJun 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
887944-99DrillMarathon Oil EF LLCFeb 6, 2023Mar 10, 2023Apr 2, 202325,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Sep 11, 2023Direct-Robert-Gross SA G-2-295934Eagleville (Eagle Ford-2)Marathon Oil EF LLCProducing12,231

Formation tops

As filed on W-2/G-1. Subsea from 420 ft elevation.Download CSV →

FormationMD ftSubsea
Cook Mountain2,479-2,059
Sparta3,074-2,654
Queen City3,350-2,930
Reklaw3,936-3,516
Carrizo4,493-4,073
WilcoxWILCOX - DISPOSAL4,569-4,149
Anacacho11,886-11,466
Austin ChalkAUSTIN CHALK - H2S12,035-11,615
Eagle FordEAGLE FORD - H2S12,168-11,748
FrioFRIO - DISPOSAL——
YeguaYEGUA - DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
12,53218,603Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6256,13512.251,467 S
618,6038.752,858 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
00Dec 4, 2023Nov 20, 2023—
00Nov 29, 2023Sep 19, 2023Yes

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 neighbors, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Hollman-May B SA42-255-37720

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

Cook Mountain2,479-2,058
Sparta3,074-2,653
Queen City3,350-2,929
Reklaw3,936-3,515
Carrizo4,493-4,072
Wilcox4,569-4,148
Anacacho11,866-11,445
Austin Chalk12,016-11,595

12 TOPS · FIRST 8

Hollman Unit42-255-35838

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

Yegua1,917-1,462
Queen City4,314-3,859
Reklaw4,711-4,256
Carrizo5,302-4,847
Wilcox6,474-6,019
Austin Chalk12,217-11,762
Eagle Ford12,338-11,883
Edwards—

10 TOPS · FIRST 8

Hollman Unit AC42-255-35839

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

Yegua1,917-1,462
Queen City4,314-3,859
Reklaw4,711-4,256
Carrizo5,302-4,847
Wilcox6,474-6,019
Austin Chalk12,216-11,761
Edwards—
Frio—

10 TOPS · FIRST 8

Hollman Unit42-255-35837

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

Yegua1,917-1,462
Queen City4,314-3,859
Reklaw4,711-4,256
Carrizo5,302-4,847
Wilcox6,474-6,019
Austin Chalk12,223-11,768
Eagle Ford12,337-11,882
Frio—

10 TOPS · FIRST 8

Hollman Unit42-255-35836

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

Yegua1,917-1,463
Queen City4,314-3,860
Reklaw4,711-4,257
Carrizo5,302-4,848
Wilcox6,474-6,020
Austin Chalk12,206-11,752
Eagle Ford12,324-11,870
Frio—

10 TOPS · FIRST 8

Hollman Unit42-255-35543

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

Queen City4,202-3,762
Reklaw4,706-4,266
Carrizo5,209-4,769
Wilcox6,533-6,093
Austin Chalk12,008-11,568
Eagle Ford12,156-11,716
Sligo—
Yegua—

10 TOPS · FIRST 8

Hollman Unit42-255-35544

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

Yegua1,910-1,469
Queen City4,242-3,801
Reklaw4,706-4,265
Carrizo5,209-4,768
Wilcox6,533-6,092
Austin Chalk12,010-11,569
Eagle Ford12,153-11,712
Frio—

10 TOPS · FIRST 8

Hollman Unit42-255-35545

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

Yegua1,910-1,469
Queen City4,242-3,801
Reklaw4,706-4,265
Carrizo5,209-4,768
Wilcox6,533-6,092
Austin Chalk12,004-11,563
Eagle Ford12,150-11,709
Edwards—

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/25537721, documented in the API reference.