FOSSIL WILDMAN TRUST UNIT NO. 1

Oil · District 05 · Lease #3928

Operator: RIVERSHORE OPERATING LLC

Cum Oil

12k BBL

Cum Gas

0 MCF

Wells

1

Production

2010-07 — 2026-03

Peak Month

2010-09

Production History

Cum Oil: 12,490 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

593 BBL/mo

Di (annual)

192.8%

b-factor

0.9

EUR

14,473 BBL

R-squared

0.677

type

hyperbolic

Operator History (from monthly production reports)

2020-09 — 2026-07 CONTRAST ENERGY, LLC 71 mo
2016-10 — 2020-08 RIVERSHORE OPERATING LLC 47 mo
2013-10 — 2016-09 FOSSIL OPERATING, INC. 36 mo
2010-07 — 2013-09 GASTAR EXPLORATION TEXAS, LP 39 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6HCONTRAST ENERGY, LLC18,7002010-04-28