ALTA-WILLIAMSON -A-

Oil · District 08 · Lease #31509

Operator: PHOENIX HYDROCARBONS OPERATING

Cum Oil

34k BBL

Cum Gas

63k MCF

casinghead

Wells

2

Production

1993-01 — 2006-10

Peak Month

1993-07

Production History

Cum Oil: 34,306 BBL Cum Gas: 63,178 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

371 BBL/mo

Di (annual)

12.0%

b-factor

0.5

EUR

55,536 BBL

R-squared

0.906

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 2007-04 PHOENIX HYDROCARBONS OPERATING 172 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2JAY MANAGEMENT COMPANY, LLC15,8501988-02-17
1JAY MANAGEMENT COMPANY, LLC15,8501987-09-14