TXFuture Wells Texas
MapFeaturesCountiesDataGuides
LoginCreate Free Beta Account
MapFeaturesCountiesDataGuides
LoginCreate Free Beta Account
  1. Home
  2. Texas Wells
  3. API 4225533667
Texas well record

CHALLENGER UNIT A #11H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-2)

HistoricalKARNES County
API104225533667
API825533667
Latest event-
Event date-
Well context

Known public record details

API number4225533667
CountyKARNES County
OperatorMARATHON OIL EF LLC
FieldEAGLEVILLE (EAGLE FORD-2)
LeaseCHALLENGER UNIT A (10519)
Well number11H
StatusHistorical
Location

Location summary

Public records currently place this well in Karnes County, EAGLEVILLE (EAGLE FORD-2) field, survey SEGUIN, D E, abstract 10. 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.

SurveySEGUIN, D E
Abstract10
Block-
Section-
Lifecycle

Well lifecycle timeline

W-1 permitNo linked signal yetDate unknown

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-1No linked signal yetDate unknown

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

Activity

Recent activity timeline

No recent activity is linked to this public well card yet.

Documents

Recent source documents

No scanned source documents are linked to this public well card yet. Production activity may still be present from structured monthly production records.

8 linked wells

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

BLALOCK, CHARLIE "A" #1

YELLOW ROSE EXPL. OF TEXAS, INC.

Historical
View record
TAYLOR, RAYMOND #2

OLD TAYLOR OIL COMPANY - SHACKELFORD COUNTY REGULAR

Survey TE & L - Section 660

Plugged
View record
TAYLOR, RAYMOND #4

OLD TAYLOR OIL COMPANY - SHACKELFORD COUNTY REGULAR

Survey TE & L - Section 660

Plugged
View record
41720358

Survey T E & L CO. #660

Plugged
View record
RITCHIE, H.G. #1

CANTRO EXPLORATION, INC. - RITCHIE (NORTH)

Survey ELISHA MAXEY/4TH ADDTN TAFT FARMLANDS, LOT 3 - Abstract 186 - Block 44

Plugged
View record
LEWIS, J. C. SWD #1

EXPRO ENGINEERING, INC. - DUNCAN SLOUGH (FRIO-4)

Plugged
View record
LEWIS, J. C. #2 SWD

INTERCOASTAL OPERATING COMPANY

Survey CHRISTOPHER COX - Abstract 18

Historical
View record
CHALLENGER UNIT A #10H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-2)

Survey SEGUIN, D E - Abstract 10

Historical
View record
Related entities
MARATHON OIL EF LLCKarnes CountyEAGLEVILLE (EAGLE FORD-2)
Source form explainers
W-1 drilling permitW-2 oil completionG-1 gas completionP-4 operator change
Map point
CHALLENGER UNIT A #11HAPI 4225533667
100 ft

28.923778, -97.980082

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.

Beta access

Explore Texas well activity in the beta workspace.

FutureWells Texas is currently in beta. Data coverage, search tools, and map layers are actively being expanded and verified.

Create Free Beta AccountOpen Beta MapExplore Texas Well Activity
TXFutureWells Texas

FutureWells Texas is an independent data organization project and is not an official government website. Always verify critical records with official sources.

Copyright 2026 FutureWells Texas. All rights reserved.

PlatformMapCountiesData CoverageData SourcesMethodology
ResourcesDisclaimerPrivacyTermsBlogLoginContact