HEIST OIL UNIT

Oil · District 04 · Lease #12138

Operator: PETROLEUM MANAGEMENT, INC.

Cum Oil

5k BBL

Cum Gas

1k MCF

casinghead

Wells

1

Production

1993-01 — 1994-06

Peak Month

1993-01

Production History

Cum Oil: 4,987 BBL Cum Gas: 1,267 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

828 BBL/mo

Di (annual)

195.7%

b-factor

0.1

EUR

5,639 BBL

R-squared

0.673

type

hyperbolic

Operator History (from monthly production reports)

1993-12 — 2003-08 ENCO EXPLORATION COMPANY 117 mo
1993-01 — 1993-11 PETROLEUM MANAGEMENT, INC. 11 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PETROLEUM MANAGEMENT INC.38,8001992-12-22