WELL · 42-255-36342 · DISTRICT 2

Wieding-Weston Unit #16H

Y

Karnes County · Sugarkane (Eagle Ford) field · Producing  · Horizontal

Wieding-Weston Unit #16H (API 42-255-36342) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed December 13, 2019 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued March 19, 2019, permitted to 22,000 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 scheduleMarathon Oil EF LLC
Production reportsMarathon Oil EF LLCthrough Apr 2026
Latest permitMarathon Oil EF LLCMar 19, 2019
22,000
total depth, ft
1
permits on file
Mar 19, 2019
last permit issued
Dec 13, 2019
completed
0
cumulative oil, bbl
2.64M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 13, 2019
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.716167, -98.017347

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Wieding-Weston Unit G-2-287308Sugarkane (Eagle Ford)Marathon Oil EF LLC102.64MMay 2019 – Jul 2026

Gas, mcf lease total

Last 12 months 104,945 · prior 12 142,722(-26%)

010K20K30K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCAug 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
850182-99DrillMarathon Oil EF LLCFeb 19, 2019Mar 19, 2019Jun 28, 201922,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-2-287308————

Formation tops

As filed on W-2/G-1. Subsea from 382 ft elevation.Download CSV →

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL1,296-914
Queen City4,415-4,033
Reklaw4,873-4,491
Carrizo5,529-5,147
WilcoxWILCOX - DISPOSAL6,762-6,380
Austin ChalkAUSTIN CHALK - H2S12,314-11,932
Eagle FordEAGLE FORD - H2S12,368-11,986
EdwardsEDWARDS - H2S——
FrioFRIO - DISPOSAL——
SligoSLIGO - H2S——
YeguaYEGUA - DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
12,52219,226Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6256,24012.251,810 S
5.519,3178.752,976 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
00Mar 19, 2020Jan 23, 2020Yes
00Nov 26, 2019Aug 31, 2019—
00Nov 1, 2019Jul 14, 2019Yes

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

Open the cross-section →

Wieding-Weston Unit42-255-36341

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

Yegua1,296-914
Queen City3,429-3,047
Reklaw4,085-3,703
Carrizo4,318-3,936
Wilcox5,737-5,355
Austin Chalk12,250-11,868
Eagle Ford12,374-11,992
Edwards—

10 TOPS · FIRST 8

Wieding-Weston Unit42-255-36343

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

Yegua1,296-914
Queen City4,415-4,033
Reklaw4,873-4,491
Carrizo5,529-5,147
Wilcox6,762-6,380
Austin Chalk12,284-11,902
Eagle Ford12,358-11,976
Frio—

10 TOPS · FIRST 8

Mobil C-D-W.weston Psa42-255-36344

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

Yegua2,115-1,733
Queen City4,415-4,033
Reklaw4,873-4,491
Carrizo5,529-5,147
Wilcox6,762-6,380
Austin Chalk12,292-11,910
Eagle Ford12,358-11,976
Sligo—

10 TOPS · FIRST 8

Wieding-Weston Unit42-255-36340

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

Yegua2,115-1,734
Queen City4,415-4,034
Reklaw4,873-4,492
Carrizo5,529-5,148
Wilcox6,762-6,381
Austin Chalk12,243-11,862
Eagle Ford12,373-11,992
Frio—

10 TOPS · FIRST 8

Olson Esse-Kennedy SA142-255-37927

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

Cook Mountain1,278-838
Queen City2,202-1,762
Reklaw2,847-2,407
Carrizo3,616-3,176
Wilcox3,718-3,278
Anacacho12,360-11,920
Austin Chalk12,531-12,091
Eagle Ford12,570-12,130

12 TOPS · FIRST 8

Olson Esse-Kennedy SA242-255-37926

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

Queen City2,202-1,760
Reklaw2,847-2,405
Carrizo3,616-3,174
Wilcox3,718-3,276
Austin Chalk12,543-12,101
Eagle Ford12,579-12,137
Yegua—
Sligo—

10 TOPS · FIRST 8

SCR G-Mobil C SA42-255-36603

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

Yegua1,684-1,279
Queen City4,007-3,602
Wilcox6,249-5,844
Austin Chalk12,174-11,769
Eagle Ford12,232-11,827
Sligo—
Reklaw—
Frio—

10 TOPS · FIRST 8

San Christoval Ranch Unit G AC42-255-36602

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

Yegua1,305-901
Queen City3,165-2,761
Reklaw3,475-3,071
Carrizo4,190-3,786
Wilcox5,377-4,973
Austin Chalk12,115-11,711
Sligo—
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/25536342, documented in the API reference.