SNODGRASS, E.N. 18

Oil · District 08 · Lease #41094

Operator: STRONGHOLD ENERGY II OPER, LLC

Fields: WADDELL

Cum Oil

11k BBL

Cum Gas

15k MCF

casinghead

Wells

1

Production

2010-11 — 2026-04

Peak Month

2011-02

Production History

Cum Oil: 11,216 BBL Cum Gas: 15,302 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

100 BBL/mo

Di (annual)

10.7%

b-factor

0.0

EUR

11,116 BBL

R-squared

0.348

type

exponential

Operator History (from monthly production reports)

2022-09 — 2026-07 RING ENERGY, INC. 47 mo

2019-01 — 2022-08 STRONGHOLD ENERGY II OPER, LLC 44 mo

2010-11 — 2018-12 DEVON ENERGY PRODUCTION CO, L.P. 98 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-103-35698	RING ENERGY, INC.	2	10,300	2010-10-14