TUBB, J.B., ETAL

Oil · District 08 · Lease #55485

Operator: STRONGHOLD ENERGY II OPER, LLC

Cum Oil

24k BBL

Cum Gas

112k MCF

casinghead

Wells

3

Production

2021-02 — 2026-04

Peak Month

2021-04

Production History

Cum Oil: 24,357 BBL Cum Gas: 111,829 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,164 BBL/mo

Di (annual)

62.0%

b-factor

0.0

EUR

22,518 BBL

R-squared

0.778

type

exponential

Operator History (from monthly production reports)

2022-09 — 2026-07 RING ENERGY, INC. 47 mo
2021-02 — 2022-08 STRONGHOLD ENERGY II OPER, LLC 19 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
28RING ENERGY, INC.34,8502021-12-21
74RING ENERGY, INC.25,0002021-11-02
17RING ENERGY, INC.14,5002021-01-08