WELL · 42-255-36491 · DISTRICT 2

Yosko-Kinkler-Witte Psa #1H

Y

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

Yosko-Kinkler-Witte Psa #1H (API 42-255-36491) is a horizontal well in Karnes County operated by Marathon Oil EF LLC, completed December 29, 2019 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued June 3, 2019, permitted to 21,000 ft.

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

Its lease has reported 261K barrels of oil and 443K mcf of gas since August 2019, last reporting in July 2026.

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 LLCJun 3, 2019
21,000
total depth, ft
1
permits on file
Jun 3, 2019
last permit issued
Dec 29, 2019
completed
261K
cumulative oil, bbl
443K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 29, 2019
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.874711, -97.951625

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
Yosko-Kinkler-Witte Psa O-2-11767Eagleville (Eagle Ford-2)Marathon Oil EF LLC1261K443KAug 2019 – Jul 2026

Oil, barrels lease total

Last 12 months 2,505 · prior 12 4,148(-40%)

05001K1.5K202420252026

Gas, mcf lease total

Last 12 months 1,400 · prior 12 4,278(-67%)

02K4K6K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCNov 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
853575-99DrillMarathon Oil EF LLCMay 29, 2019Jun 3, 2019Sep 23, 201921,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-11767————

Formation tops

As filed on W-2/G-1. Subsea from 399 ft elevation.Download CSV →

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL1,753-1,354
Queen City3,877-3,478
Reklaw4,374-3,975
Carrizo5,012-4,613
WilcoxWILCOX - DISPOSAL6,327-5,928
Austin ChalkAUSTIN CHALK - H2S11,570-11,171
Eagle FordEAGLE FORD - H2S11,778-11,379
EdwardsEDWARDS - H2S——
FrioFRIO - DISPOSAL——
SligoSLIGO - H2S——

Perforations

Perforated and open-hole intervals.

FromToType
11,98417,201Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6255,71612.251,418 S
5.517,3058.752,641 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
00Apr 9, 2020Jan 24, 2020Yes
00Feb 10, 2020Nov 22, 2019Yes
00Sep 4, 2019Aug 23, 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 →

Salge-Busselman Unit42-255-36480

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

Yegua1,753-1,354
Queen City3,877-3,478
Reklaw4,374-3,975
Carrizo5,012-4,613
Wilcox6,327-5,928
Austin Chalk11,585-11,186
Eagle Ford11,785-11,386
Frio—

10 TOPS · FIRST 8

Y. Witte-K.laubach Psa42-255-36482

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

Yegua1,753-1,353
Queen City3,877-3,477
Reklaw4,374-3,974
Carrizo5,012-4,612
Wilcox6,327-5,927
Austin Chalk11,615-11,215
Eagle Ford11,837-11,437
Edwards—

10 TOPS · FIRST 8

Salge-Busselman Unit42-255-36481

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

Yegua1,753-1,355
Queen City3,877-3,479
Reklaw4,374-3,976
Carrizo5,012-4,614
Wilcox6,327-5,929
Austin Chalk11,574-11,176
Eagle Ford11,765-11,367
Frio—

10 TOPS · FIRST 8

Salge-Kinkler-Busselman Alc42-255-36495

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

Yegua1,753-1,356
Queen City3,877-3,480
Reklaw4,374-3,977
Carrizo5,012-4,615
Wilcox6,327-5,930
Austin Chalk11,521-11,124
Eagle Ford11,727-11,330
Frio—

10 TOPS · FIRST 8

Kempe-Laubach Unit42-255-37248

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

Yegua1,910-1,511
Queen City3,849-3,450
Reklaw4,354-3,955
Wilcox6,150-5,751
Austin Chalk11,689-11,290
Eagle Ford11,923-11,524
Carrizo—
Sligo—

10 TOPS · FIRST 8

Kempe-Laubach Unit42-255-37246

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

Yegua1,729-1,329
Queen City3,893-3,493
Reklaw4,350-3,950
Carrizo4,840-4,440
Wilcox6,075-5,675
Austin Chalk11,701-11,301
Eagle Ford11,936-11,536
Sligo—

10 TOPS · FIRST 8

Kempe-Laubach Unit42-255-37247

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

Yegua1,729-1,329
Queen City3,893-3,493
Reklaw4,350-3,950
Carrizo4,840-4,440
Wilcox6,075-5,675
Austin Chalk11,709-11,309
Eagle Ford11,932-11,532
Frio—

10 TOPS · FIRST 8

Rippstein Mikkelson-Witte SA142-255-38055

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

Queen City3,927-3,518
Reklaw4,430-4,021
Carrizo4,950-4,541
Wilcox6,222-5,813
Austin Chalk11,725-11,316
Eagle Ford11,960-11,551
Edwards—
Sligo—

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

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