TUBB, J.B. -B-

Oil · District 08 · Lease #22213

Operator: STRONGHOLD ENERGY II OPER, LLC

Cum Oil

97k BBL

Cum Gas

1.6M MCF

casinghead

Wells

11

Production

1993-01 — 2026-04

Peak Month

1993-07

Production History

Cum Oil: 97,052 BBL Cum Gas: 1,560,149 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

705 BBL/mo

Di (annual)

16.5%

b-factor

0.3

EUR

69,131 BBL

R-squared

0.534

type

hyperbolic

Operator History (from monthly production reports)

2022-09 — 2026-07 RING ENERGY, INC. 47 mo
2018-11 — 2022-08 STRONGHOLD ENERGY II OPER, LLC 46 mo
1993-01 — 2018-10 CHEVRON U. S. A. INC. 310 mo

Wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
65RING ENERGY, INC.35,0002013-11-25
66RING ENERGY, INC.25,0002006-06-08
24RING ENERGY, INC.14,3501993-05-07
36RING ENERGY, INC.14,3001993-05-07
46RING ENERGY, INC.14,2001993-05-07
58RING ENERGY, INC.24,6001993-05-07
35RING ENERGY, INC.14,1751993-03-19
63WALSH & WATTS, INC.13,5501984-05-18
60RING ENERGY, INC.13,3501983-05-05
54RING ENERGY, INC.13,7001982-02-25
52WALSH & WATTS, INC.14,6001979-06-11