MOBIL FEE UNIT

Oil · District 03 · Lease #20067

Operator: SILVER OAK ENERGY, LLC

Fields: SOUR LAKE

Cum Oil

153k BBL

Cum Gas

51k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 152,762 BBL Cum Gas: 51,397 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

661 BBL/mo

Di (annual)

4.8%

b-factor

0.0

EUR

149,753 BBL

R-squared

0.369

type

exponential

Operator History (from monthly production reports)

2014-07 — 2026-07 FOUNDATION ENERGY MANAGEMENT LLC 145 mo
2011-09 — 2014-06 SILVER OAK ENERGY, LLC 34 mo
2010-02 — 2011-08 ADDISON OIL, LLC 19 mo
2001-05 — 2010-01 MERIT ENERGY COMPANY 105 mo
1993-01 — 2001-04 HUNT OIL COMPANY 100 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1FOUNDATION ENERGY MANAGEMENT LLC17,5001988-03-24
1 TFOUNDATION ENERGY MANAGEMENT LLC17,5001988-03-24