SNODGRASS, E.N. 18

Oil · District 08 · Lease #40106

Operator: STRONGHOLD ENERGY II OPER, LLC

Cum Oil

218k BBL

Cum Gas

290k MCF

casinghead

Wells

5

Production

2010-03 — 2026-04

Peak Month

2010-08

Production History

Cum Oil: 218,365 BBL Cum Gas: 290,320 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

12,904 BBL/mo

Di (annual)

170.9%

b-factor

0.6

EUR

210,524 BBL

R-squared

0.971

type

hyperbolic

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
2010-03 — 2018-12 DEVON ENERGY PRODUCTION CO, L.P. 106 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2RING ENERGY, INC.210,3002010-10-14
4RING ENERGY, INC.19,0002010-05-07
5RING ENERGY, INC.19,0002010-05-07
1RING ENERGY, INC.29,1052009-11-25
3RING ENERGY, INC.19,0002009-11-25