FOSSIL LONE OAK RANCH

Oil · District 05 · Lease #3979

Operator: RIVERSHORE OPERATING LLC

Cum Oil

6k BBL

Cum Gas

0 MCF

Wells

1

Production

2012-08 — 2024-01

Peak Month

2013-02

Production History

Cum Oil: 5,869 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

294 BBL/mo

Di (annual)

78.1%

b-factor

0.2

EUR

5,597 BBL

R-squared

0.720

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
2012-08 — 2013-09 GASTAR EXPLORATION TEXAS, LP 14 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HCONTRAST ENERGY LLC213,7502012-06-16