Cosman-Penza 4-8

Lease Summary
Lease Name: Cosman-Penza 4-8
Operator: R S E C LLC
County: Hillsdale County, MI
Production Dates on File: May 1984 to August 2008

1 Total Wells

Map of Wells Associated with Cosman-Penza 4-8
Wells Associated With Cosman-Penza 4-8
Production Based on July 2025 Data
API # Well Name Status Spud Date Completion Date
# 21-059-37452 COSMAN & PENZA 4-8 Plugging Approved