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Texas well record

MUELLER-WARNER SA2 #501H

MARATHON OIL EF LLC

PermittedKARNES County
API104225538366
API825538366
Latest eventDirectional Survey Available
Event dateMay 20, 2026
Well context

Known public record details

API number4225538366
CountyKARNES County
OperatorMARATHON OIL EF LLC
Field-
LeaseMUELLER-WARNER SA2 (000000)
Well number501H
StatusPermitted
Location

Location summary

Public records currently place this well in Karnes County, survey ZEPEDA, V, abstract 13. Surface locations can be incomplete or misleading for horizontal wells, so verify official plats, directional surveys, completion records, and source documents before relying on a map point.

SurveyZEPEDA, V
Abstract13
Block-
Section-
Directional survey

Directional survey / wellbore path available

Parsed public directional survey records include a map-ready wellbore path for this well. Wellbore paths are derived records and are not official parcel or boundary lines.

Geometry confidenceComputed local offsets
Station count17
Measured depth end21,494 ft
TVD end13,564 ft
Open source surveyOpen map centered on lateral
Lifecycle

Well lifecycle timeline

W-1 permitLinked signal foundMay 20, 2026

Permit records can indicate requested drilling, recompletion, deepening, or related work, but do not guarantee drilling or production.

W-2/G-1 completionNo linked signal yetDate unknown

Completion filings can show that a well moved from permitted or drilled status into a completed well record.

Form PR productionNo linked signal yetDate unknown

Production signals help identify wells with linked monthly production or derived producing status.

P-4 operator/lease changesNo linked signal yetDate unknown

P-4 activity can indicate operator, lease, gatherer, purchaser, or responsibility changes tied to the record.

W-3A/W-3 pluggingNo linked signal yetDate unknown

Plugging notices and plugging records help distinguish planned plugging from wells already reported as plugged.

Directional survey, plat, or L-1Linked signal foundMay 20, 2026

Directional surveys, plats, and L-1 records can be important for understanding horizontal wells beyond the surface point.

Activity

Recent activity timeline

Jun 3, 2026Directional survey available

Directional survey

Directional Survey AvailableKarnes CountyMARATHON OIL EF LLCAPI 42255383664 source records
W-12 explainerView source documents
Documents

Recent source documents

Directional surveyForm type unknownJun 3, 2026
Directional surveyForm type unknownJun 3, 2026
Directional surveyForm type unknownJun 3, 2026
Directional surveyForm type unknownJun 3, 2026
8 linked wells

Related wells from the same lease, operator, field, or county

CAT-KENEDY SWD #1

Karnes County - MARATHON OIL EF LLC - SUGARKANE (EAGLE FORD)

Survey ODOM, B - Abstract 220

ProducingMonthly Production ReportApr 30, 2026
View record
25538415

Karnes County - EOG RESOURCES, INC. - EAGLEVILLE (EAGLE FORD-2)

Block 27135750 EAGLEVILLE - Section 02

PermittedHorizontal Permit FiledJun 8, 2026
View record
25538417

Karnes County - EOG RESOURCES, INC. - EAGLEVILLE (EAGLE FORD-2)

Block 27135750 EAGLEVILLE - Section 02

PermittedHorizontal Permit FiledJun 8, 2026
View record
25537939

Karnes County - BURLINGTON RESOURCES O & G CO LP PO BOX 2197 - EAGLEVILLE (EAGLE FORD-2)

Survey BULLOCK, W C - Abstract 31 - Block 27135750 EAGLEVILLE - Section 02

PermittedHorizontal Permit FiledJun 4, 2026
View record
25538402

Karnes County - MAGNOLIA OIL & GAS OPERATING LLC - EAGLEVILLE (EAGLE FORD-2)

Survey REED, N - Abstract 246 - Block 27135750 EAGLEVILLE - Section 02

PermittedHorizontal Permit FiledMay 15, 2026
View record
25538397

Karnes County - MAGNOLIA OIL & GAS OPERATING LLC - EAGLEVILLE (EAGLE FORD-2)

Survey REED, N - Abstract 246 - Block 27135750 EAGLEVILLE - Section 02

PermittedHorizontal Permit FiledMay 14, 2026
View record
25538398

Karnes County - MAGNOLIA OIL & GAS OPERATING LLC - EAGLEVILLE (EAGLE FORD-2)

Survey REED, N - Abstract 246 - Block 27135750 EAGLEVILLE - Section 02

PermittedHorizontal Permit FiledMay 14, 2026
View record
25538399

Karnes County - MAGNOLIA OIL & GAS OPERATING LLC - EAGLEVILLE (EAGLE FORD-2)

Survey REED, N - Abstract 246 - Block 27135750 EAGLEVILLE - Section 02

PermittedHorizontal Permit FiledMay 14, 2026
View record
Related entities
MARATHON OIL EF LLCKarnes County
Source form explainers
W-1 drilling permitW-12 directional survey
Map point
MUELLER-WARNER SA2 #501HAPI 4225538366
100 ft

28.899330, -97.736684

Open in FutureWells map
Source note

Well pages combine public records, linked source documents, derived status signals, and normalized activity. Verify API, operator, status, production, location, and lifecycle facts against official records before relying on them.

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