EAST RANKIN UNIT 58-3

Oil · District 7C · Lease #18039

Operator: ZARVONA ENERGY LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

169k BBL

Cum Gas

1.3M MCF

casinghead

Wells

2

Production

2012-09 — 2026-04

Peak Month

2012-11

Production History

Cum Oil: 169,204 BBL Cum Gas: 1,349,332 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,470 BBL/mo

Di (annual)

168.7%

b-factor

0.7

EUR

166,183 BBL

R-squared

0.607

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

2012-09 — 2021-05 DIAMONDBACK E&P LLC 105 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
14	42-461-38455	SAXUM OPCO, LLC	4	11,000	2012-11-06
13	42-461-38117	SAXUM OPCO, LLC	3	11,500	2012-05-18