ALEXANDER -3-

Oil · District 09 · Lease #28635

Operator: REEF EXPLORATION, INC. (A-1)

Cum Oil

24k BBL

Cum Gas

24 MCF

casinghead

Wells

1

Production

1993-08 — 1997-04

Peak Month

1993-10

Production History

Cum Oil: 23,986 BBL Cum Gas: 24 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,328 BBL/mo

Di (annual)

299.1%

b-factor

0.8

EUR

18,634 BBL

R-squared

0.482

type

hyperbolic

Operator History (from monthly production reports)

1995-08 — 1997-08 GRUY PETROLEUM MANAGEMENT CO. 25 mo
1993-08 — 1995-07 REEF EXPLORATION, INC. (A-1) 24 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3L7 ENERGY LLC17,0001993-05-20