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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 geometry

5 Wellbore Paths

Multiple validated directional survey or wellbore paths are available for this well record.

Final certified survey

Mueller - Warner SA2 501H

Mueller - Warner SA2 · Well 501H

Derived lateral/wellbore geometry is available for this well from parsed public directional survey records.

Preview shows surface point, lateral/wellbore path, and bottomhole/end point where available.
Geometry sourceMWD survey
PrecisionSurveyed station table
ExtractionComputed local offsets
Station count200
Measured depth end18,254 ft
TVD end13,227 ft
Source form/documentDirectional survey record
Source document ID23557
Parsed wellbore-
Parsed well / leaseMueller - Warner SA2 · Well 501H
Geometry roleFinal certified survey
Completeness100%
View source documentOpen on Texas map
Earlier survey

Final Certified Survey 2

Derived lateral/wellbore geometry is available for this well from parsed public directional survey records.

Preview shows surface point, lateral/wellbore path, and bottomhole/end point where available.
Geometry sourceMWD survey
PrecisionSurveyed station table
ExtractionComputed local offsets
Station count18
Measured depth end21,494 ft
TVD end13,564 ft
Source form/documentDirectional survey record
Source document ID24410
Parsed wellbore-
Parsed well / lease-
Geometry roleFinal certified survey
Completeness100%
View source documentOpen on Texas map
Earlier survey

Final Certified Survey 3

Derived lateral/wellbore geometry is available for this well from parsed public directional survey records.

Preview shows surface point, lateral/wellbore path, and bottomhole/end point where available.
Geometry sourceMWD survey
PrecisionSurveyed station table
ExtractionComputed local offsets
Station count12
Measured depth end18,289 ft
TVD end13,211 ft
Source form/documentDirectional survey record
Source document ID23539
Parsed wellbore-
Parsed well / lease-
Geometry roleFinal certified survey
Completeness100%
View source documentOpen on Texas map
Earlier survey

Final Certified Survey 4

Derived lateral/wellbore geometry is available for this well from parsed public directional survey records.

Preview shows surface point, lateral/wellbore path, and bottomhole/end point where available.
Geometry sourceMWD survey
PrecisionSurveyed station table
ExtractionComputed local offsets
Station count10
Measured depth end18,241 ft
TVD end13,128 ft
Source form/documentDirectional survey record
Source document ID24200
Parsed wellbore-
Parsed well / lease-
Geometry roleFinal certified survey
Completeness100%
View source documentOpen on Texas map
Earlier survey

Final Certified Survey 5

Derived lateral/wellbore geometry is available for this well from parsed public directional survey records.

Preview shows surface point, lateral/wellbore path, and bottomhole/end point where available.
Geometry sourceMWD survey
PrecisionSurveyed station table
ExtractionComputed local offsets
Station count10
Measured depth end17,885 ft
TVD end13,163 ft
Source form/documentDirectional survey record
Source document ID23833
Parsed wellbore-
Parsed well / lease-
Geometry roleFinal certified survey
Completeness100%
View source documentOpen on Texas map

Wellbore paths are derived from parsed public directional survey records. They are not official property, tract, or legal boundary lines. Verify critical decisions with official source records.

Land-grid crossings

Survey, Block & Section Crossings

Surface location

SurveyZEPEDA, V
Abstract13
Block-
Section-

Wellbore path: No cached survey/block/section crossings are available yet

Survey/block/section crossings have not been generated for this wellbore cache yet.

Final certified surveyEarlier surveyEarlier surveyEarlier surveyEarlier survey
Final certified survey

No cached survey/block/section crossings are available yet

No cached land-grid crossing rows are available for this geometry yet.

Earlier survey

No cached survey/block/section crossings are available yet

No cached land-grid crossing rows are available for this geometry yet.

Earlier survey

No cached survey/block/section crossings are available yet

No cached land-grid crossing rows are available for this geometry yet.

Earlier survey

No cached survey/block/section crossings are available yet

No cached land-grid crossing rows are available for this geometry yet.

Earlier survey

No cached survey/block/section crossings are available yet

No cached land-grid crossing rows are available for this geometry yet.

Survey, abstract, block, and section crossings are derived from public GIS polygons and parsed wellbore geometry. They are approximate and are not official parcel, mineral-title, ownership, or legal-boundary determinations.

Lifecycle

Well lifecycle timeline

W-1 permit
Linked signal foundMay 20, 2026

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

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

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

W-2/G-1 completion
No linked signal yetDate unknown

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

Form PR production
No linked signal yetDate unknown

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

P-4 operator/lease changes
No linked signal yetDate unknown

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

W-3A/W-3 plugging
No linked signal yetDate unknown

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

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

KIRK-BUTLER B SA1 #1H

Karnes County - MARATHON OIL EF LLC

Survey CI CO - Abstract 307

PermittedDirectional Survey AvailableJun 16, 2026
View record
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
25538423

Karnes County - MARATHON OIL EF LLC PO BOX 2197 - SUGARKANE (EAGLE FORD)

Block 86950600 SUGARKANE - Section 02

PermittedHorizontal Permit FiledJun 18, 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 FiledJun 11, 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 FiledJun 11, 2026
View record
25538400

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

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

PermittedHorizontal Permit FiledJun 11, 2026
View record
25538401

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

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

PermittedHorizontal Permit FiledJun 11, 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 FiledJun 11, 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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