ANNE

Oil · District 7C · Lease #16684

Operator: ZARVONA ENERGY LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

102k BBL

Cum Gas

421k MCF

casinghead

Wells

5

Production

2008-07 — 2026-04

Peak Month

2008-12

Production History

Cum Oil: 102,370 BBL Cum Gas: 421,053 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,022 BBL/mo

Di (annual)

17.6%

b-factor

0.0

EUR

69,472 BBL

R-squared

0.348

type

exponential

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

2008-07 — 2010-02 WINDSOR ENERGY GROUP, L.L.C. 20 mo

Wells (5)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4	42-461-35795	SAXUM OPCO, LLC	1	10,398	2008-04-11
5	42-461-35769	SAXUM OPCO, LLC	1	10,286	2008-04-10
1	42-461-35762	SAXUM OPCO, LLC	1	10,377	2008-04-07
2	42-461-35763	SAXUM OPCO, LLC	1	10,377	2008-04-07
3	42-461-35764	SAXUM OPCO, LLC	1	10,440	2008-04-07