ROUGH CREEK RANCH

Oil · District 7B · Lease #27895

Operator: QUAY VALLEY, INC.

Cum Oil

20k BBL

Cum Gas

184k MCF

casinghead

Wells

2

Production

1996-06 — 2020-05

Peak Month

1997-01

Production History

Cum Oil: 19,506 BBL Cum Gas: 184,303 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

365 BBL/mo

Di (annual)

70.5%

b-factor

0.7

EUR

15,568 BBL

R-squared

0.618

type

hyperbolic

Operator History (from monthly production reports)

2014-04 — 2026-07 FORTUNA EXPLORATION, INC. 148 mo
2006-05 — 2014-03 BIG STAR OIL & GAS, LLC 95 mo
2005-06 — 2006-04 QUAY VALLEY, INC. 11 mo
2000-02 — 2005-05 AURORA POWER RESOURCES, INC. 64 mo
1996-06 — 2000-01 AURORA GAS, INC. 44 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2FORTUNA EXPLORATION INC.13,6171996-10-03
1FORTUNA EXPLORATION INC.24,0001996-03-27