AMOCO-COWDEN -9-

Oil · District 08 · Lease #30978

Operator: PHOENIX HYDROCARBONS OPERATING

Cum Oil

50k BBL

Cum Gas

116k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

1993-04

Production History

Cum Oil: 49,672 BBL Cum Gas: 115,520 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

434 BBL/mo

Di (annual)

48.4%

b-factor

1.7

EUR

56,370 BBL

R-squared

0.848

type

hyperbolic

Operator History (from monthly production reports)

2008-10 — 2026-07 JAY MANAGEMENT COMPANY, LLC 214 mo
1993-01 — 2008-09 PHOENIX HYDROCARBONS OPERATING 189 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3JAY MANAGEMENT COMPANY, LLC25,8501989-06-20
2JAY MANAGEMENT COMPANY, LLC15,9001987-02-25
1JAY MANAGEMENT COMPANY, LLC15,9001986-02-19