LEONA

Oil · District 03 · Lease #25263

Operator: U. S. OPERATING, INC.

Cum Oil

1k BBL

Cum Gas

2k MCF

casinghead

Wells

1

Production

2008-09 — 2010-04

Peak Month

2008-10

Production History

Cum Oil: 1,225 BBL Cum Gas: 2,252 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

131 BBL/mo

Di (annual)

313.9%

b-factor

1.3

EUR

4,024 BBL

R-squared

0.690

type

hyperbolic

Operator History (from monthly production reports)

2008-09 — 2010-06 U. S. OPERATING, INC. 22 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1U. S. OPERATING INC.210,0002008-07-09