LOTTIE

Oil · District 7C · Lease #15955

Operator: ZARVONA ENERGY LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

62k BBL

Cum Gas

274k MCF

casinghead

Wells

2

Production

2006-05 — 2026-02

Peak Month

2006-07

Production History

Cum Oil: 62,439 BBL Cum Gas: 273,553 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,738 BBL/mo

Di (annual)

289.4%

b-factor

1.3

EUR

56,567 BBL

R-squared

0.569

type

hyperbolic

Operator History (from monthly production reports)

2025-10 — 2026-07 SAXUM OPCO, LLC 10 mo

2021-06 — 2025-09 ZARVONA ENERGY LLC 52 mo

2012-07 — 2021-05 DIAMONDBACK E&P LLC 107 mo

2010-03 — 2012-06 WINDSOR PERMIAN LLC 28 mo

2008-01 — 2010-02 WINDSOR ENERGY GROUP, L.L.C. 26 mo

2006-05 — 2007-12 EXL PETROLEUM, LP 20 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-461-35904	SAXUM OPCO, LLC	1	10,378	2008-06-09
1	42-461-34991	SAXUM OPCO, LLC	1	10,900	2005-12-30