MADOLYN

Oil · District 7C · Lease #16087

Operator: ZARVONA ENERGY LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

94k BBL

Cum Gas

583k MCF

casinghead

Wells

3

Production

2006-10 — 2026-04

Peak Month

2022-03

Production History

Cum Oil: 94,238 BBL Cum Gas: 583,384 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

938 BBL/mo

Di (annual)

25.4%

b-factor

0.7

EUR

92,347 BBL

R-squared

0.458

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

2006-10 — 2007-12 EXL PETROLEUM, LP 15 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3	42-461-37553	SAXUM OPCO, LLC	2	10,915	2011-07-22
2	42-461-35146	SAXUM OPCO, LLC	1	11,000	2006-08-08
1	42-461-35035	SAXUM OPCO, LLC	1	10,900	2006-03-03