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Texas well record

GRIFFIN-KRUEGER SA4 #4H

MARATHON OIL EF LLC - EAGLEVILLE (EAGLE FORD-1)

Recently completedATASCOSA County
API104201336233
API801336233
Latest eventDocument Filed
Event dateMay 27, 2026
Well context

Known public record details

API number4201336233
CountyATASCOSA County
OperatorMARATHON OIL EF LLC
FieldEAGLEVILLE (EAGLE FORD-1)
Lease-
Well number-
StatusRecently completed
Location

Location summary

Public records currently place this well in Atascosa County, EAGLEVILLE (EAGLE FORD-1) field. 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.

Survey-
Abstract-
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 completionLinked signal foundJan 1, 2026

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 changesLinked signal foundJan 1, 2026

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

May 27, 2026P-16 document filed

P-16 acreage designation

Document FiledAtascosa CountyMARATHON OIL EF LLCAPI 4201336233
P-16 explainer
Jan 1, 2026Operator change filed

Effective January 1, 2026-01. Lease GRIFFIN-KRUEGER SA4.

Operator Change FiledAtascosa CountyMARATHON OIL EF LLCAPI 4201336233
P-4 explainer
Jan 1, 2026Completion report filed

Potential test date January 1, 2026-23. Calculated 24-hour rate: oil 1966 bbl, gas 1769 mcf, water 914 bbl. Test period: oil 1966 bbl, gas 1769 mcf, water 914 bbl.

Completion Report FiledAtascosa CountyMARATHON OIL EF LLCAPI 4201336233
G-1 explainer
Documents

Recent source documents

P-16 acreage designationP-16May 28, 2026P-16 explainer
P-4 operator or lease changeP-4May 28, 2026P-4 explainer
W-2 completion reportW-2May 28, 2026W-2 explainer
0 linked wells

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

No related public well cards are linked yet for this lease, operator, field, or county.

Related entities
MARATHON OIL EF LLCAtascosa CountyEAGLEVILLE (EAGLE FORD-1)
Source form explainers
W-2 oil completionP-4 operator change
Map point
GRIFFIN-KRUEGER SA4 #4HAPI 4201336233

28.789421, -98.161099

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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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