WELL · 42-255-35975 · DISTRICT 2

Wieding-Weston Unit #4H

Karnes County · Sugarkane (Eagle Ford) field · Shut IN · Horizontal

Wieding-Weston Unit #4H (API 42-255-35975) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed June 21, 2018 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit, issued May 23, 2018, permitted to 21,000 ft.

Completion filings report 10 formation tops, including Yegua, Queen City, Reklaw, Carrizo.

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

Operator of record

Marathon Oil EF LLC

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 schedule	Marathon Oil EF LLC
Production reports	none
Latest permit	Marathon Oil EF LLCMay 23, 2018

21,000: total depth, ft
1: permits on file
May 23, 2018: last permit issued
Jun 21, 2018: completed
0: cumulative oil, bbl
0: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: Jun 21, 2018
Shut in: —
Plugged: —

Operator's P-5 on the schedule: Active

Surface location

28.732736, -98.026114

OpenStreetMap → · 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 →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Wieding-Weston Unit G-2-288134	Sugarkane (Eagle Ford)	Marathon Oil EF LLC	1	0	0	Jun 2018 – Jul 2026

No volumes reported on these leases in the last three years.

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
840371-99	Drill	Marathon Oil EF LLC	May 22, 2018	May 23, 2018	Jun 18, 2018	21,000

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-2-288134	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 435 ft elevation.Download CSV →

Formation	MD ft	Subsea
YeguaYEGUA - DISPOSAL	1,848	-1,413
Queen City	4,148	-3,713
Reklaw	4,606	-4,171
Carrizo	5,262	-4,827
Austin ChalkAUSTIN CHALK - H2S	—	—
Eagle FordEAGLE FORD - H2S	—	—
EdwardsEDWARDS - H2S	—	—
FrioFRIO - DISPOSAL	—	—
SligoSLIGO - H2S	—	—
WilcoxWILCOX - DISPOSAL	—	—

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
9.625	6,210	12.25	1,796 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 →

Suffix	Filed	W-2 / G-1 date	Logs referenced
00	Mar 6, 2020	Oct 30, 2019	Yes
00	Feb 25, 2020	—	—

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.

Wellbore filings for 42-255-35975 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-255-35975 → scanned completion filings

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 →

Wieding-Weston Unit42-255-35976

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

Yegua	1,848	-1,413
Queen City	4,148	-3,713
Carrizo	5,262	-4,827

Wieding-Weston Unit42-255-35977

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

Yegua	1,848	-1,413
Queen City	4,148	-3,713
Carrizo	5,262	-4,827

Wieding-Weston Unit42-255-35978

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

Yegua	1,848	-1,413
Queen City	4,148	-3,713
Carrizo	5,262	-4,827

Mobil C-D-Wieding Weston Psa42-255-35979

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

Yegua	1,848	-1,413
Queen City	4,148	-3,713
Reklaw	4,606	-4,171
Carrizo	5,262	-4,827
Wilcox	6,495	-6,060
Austin Chalk	12,016	-11,581
Eagle Ford	12,103	-11,668
Frio	—

10 TOPS · FIRST 8

South Sugarloaf SWD42-255-34439

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

Yegua	1,834	-1,392
Yegua	1,834	-1,392
Queen City	4,134	-3,692
Reklaw	4,591	-4,149
Carrizo	5,247	-4,805
Wilcox	6,154	-5,712
Wilcox	6,154	-5,712
Austin Chalk	7,100	-6,658

12 TOPS · FIRST 8

Kennedy-Olson Esse 2H Psa42-255-36005

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

Yegua	2,053	-1,620
Queen City	4,353	-3,920
Reklaw	4,811	-4,378
Carrizo	5,467	-5,034
Wilcox	6,700	-6,267
Austin Chalk	12,286	-11,853
Eagle Ford	12,337	-11,904
Frio	—

10 TOPS · FIRST 8

Kennedy-Olson Esse 3H Psa42-255-36007

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

Yegua	2,053	-1,620
Queen City	4,353	-3,920
Reklaw	4,811	-4,378
Carrizo	5,467	-5,034
Wilcox	6,700	-6,267
Austin Chalk	12,284	-11,851
Eagle Ford	12,361	-11,928
Edwards	—

10 TOPS · FIRST 8

Kennedy-Olson Esse 6H Psa42-255-36008

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

Yegua	2,053	-1,620
Queen City	4,353	-3,920
Reklaw	4,811	-4,378
Carrizo	5,467	-5,034
Wilcox	6,700	-6,267
Austin Chalk	12,299	-11,866
Eagle Ford	12,366	-11,933
Frio	—

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/25535975, documented in the API reference.