CHARLOTTE

Oil · District 7C · Lease #16679

Operator: ZARVONA ENERGY LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

126k BBL

Cum Gas

692k MCF

casinghead

Wells

3

Production

2008-06 — 2026-03

Peak Month

2008-08

Production History

Cum Oil: 126,348 BBL Cum Gas: 692,302 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,801 BBL/mo

Di (annual)

402.6%

b-factor

1.7

EUR

120,160 BBL

R-squared

0.400

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

2008-06 — 2010-02 WINDSOR ENERGY GROUP, L.L.C. 21 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-461-35831	SAXUM OPCO, LLC	1	10,505	2008-05-05
3	42-461-35784	SAXUM OPCO, LLC	1	10,519	2008-04-11
1	42-461-35674	SAXUM OPCO, LLC	1	11,000	2008-02-11