Brennan 1

Lease Summary
Lease Name: Brennan 1
Operator: Casillas Petroleum Corp
County: Haskell County, KS
Production Dates on File: January 1980 to May 2026

1 Total Wells

253 MCF of Gas Produced in Apr 2026

Map of Wells Associated with Brennan 1
Wells Associated With Brennan 1
Production Based on April 2026 Data
API # Well Name Status Spud Date Completion Date
# 15-081-00416 BRENNAN 1 Producing 1956-01-02 1956-02-01