TUBB, J. B., ETAL

Oil · District 08 · Lease #53910

Operator: STRONGHOLD ENERGY II OPER, LLC

Cum Oil

37k BBL

Cum Gas

27k MCF

casinghead

Wells

2

Production

2020-03 — 2026-04

Peak Month

2025-03

Production History

Cum Oil: 36,688 BBL Cum Gas: 27,265 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,895 BBL/mo

Di (annual)

136.6%

b-factor

1.1

EUR

80,339 BBL

R-squared

0.591

type

hyperbolic

Operator History (from monthly production reports)

2022-09 — 2026-07 RING ENERGY, INC. 47 mo
2020-03 — 2022-08 STRONGHOLD ENERGY II OPER, LLC 30 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
0802MRING ENERGY, INC.15,0002024-09-19
71RING ENERGY, INC.36,0002020-04-06