DEAN, C. S. "A"

Oil · District 8A · Lease #68634

Operator: WALSH PETROLEUM, INC.

Fields: LEVELLAND

Cum Oil

53k BBL

Cum Gas

108k MCF

casinghead

Wells

2

Production

2003-12 — 2026-04

Peak Month

2005-05

Production History

Cum Oil: 52,535 BBL Cum Gas: 107,789 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

677 BBL/mo

Di (annual)

30.3%

b-factor

0.6

EUR

52,728 BBL

R-squared

0.900

type

hyperbolic

Operator History (from monthly production reports)

2023-01 — 2026-07 A.C.T. OPERATING COMPANY 43 mo
2003-12 — 2022-12 WALSH PETROLEUM, INC. 229 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1A.C.T. OPERATING COMPANY15,1002003-10-30
2A.C.T. OPERATING COMPANY15,1002003-10-27