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Texas well record

WILLIS #1

CERCO PETROLEUM, INC.

Recent documentsRUNNELS County
API104239930974
API839930974
Latest eventOperator Change Filed
Event dateJan 15, 2026
Well context

Known public record details

API number4239930974
CountyRUNNELS County
OperatorCERCO PETROLEUM, INC.
Field-
LeaseWILLIS (000000)
Well number1
StatusRecent documents
Location

Location summary

Public records currently place this well in Runnels County. 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 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 changesLinked signal foundJan 15, 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

Jun 4, 2026Operator change filed

Effective January 1, 2026-15. Lease WILLIS.

Operator Change FiledCERCO PETROLEUM, INC.API 4239930974
P-4 explainerView source documents
Documents

Recent source documents

P-4 operator or lease changeP-4Jun 4, 2026P-4 explainer
8 linked wells

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

39935633

Runnels County - ENTERPRISE PRODUCTS OPERATINGLLC P.O. BOX 4324

Survey WAGNER, P - Abstract 507

PermittedHorizontal Permit FiledMay 19, 2026
View record
WILLIS #1

SHIELD ENERGY, INC.

Recent documentsOperator Change FiledJan 15, 2026
View record
WILLIS #1

THOMAS-POWELL ROYALTY, INC.

Recent documentsOperator Change FiledJan 15, 2026
View record
WILLIS #3

SHIELD ENERGY, INC.

Recent documentsOperator Change FiledJan 15, 2026
View record
WILLIS #4

SHIELD ENERGY, INC.

Recent documentsOperator Change FiledJan 15, 2026
View record
WILLIS #5

SHIELD ENERGY, INC.

Recent documentsOperator Change FiledJan 15, 2026
View record
WILLIS #6

SHIELD ENERGY, INC.

Recent documentsOperator Change FiledJan 15, 2026
View record
WILLIS #7

SHIELD ENERGY, INC.

Recent documentsOperator Change FiledJan 15, 2026
View record
Related entities
CERCO PETROLEUM, INC.Runnels County
Source form explainers
P-4 operator change
Map point
WILLIS #1API 4239930974
100 ft

32.072812, -99.721540

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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