ISAACS -209-

Oil · District 10 · Lease #5527

Operator: CHEVRON U. S. A. INC.

Cum Oil

26k BBL

Cum Gas

499k MCF

casinghead

Wells

3

Production

1993-01 — 2006-08

Peak Month

1993-01

Production History

Cum Oil: 26,188 BBL Cum Gas: 498,680 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

524 BBL/mo

Di (annual)

30.9%

b-factor

0.0

EUR

20,321 BBL

R-squared

0.787

type

exponential

Operator History (from monthly production reports)

1993-01 — 2010-10 CHEVRON U. S. A. INC. 214 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2209PANTERA ENERGY COMPANY311,6002009-10-06
3209MOUNTAINSIDE ENERGY OPERATING, L312,2001999-12-22
5CHEVRON U. S. A. INC.28,1001983-09-02