TUBB, J. B. -A-

Oil · District 08 · Lease #21478

Operator: STRONGHOLD ENERGY II OPER, LLC

Cum Oil

343k BBL

Cum Gas

6.5M MCF

casinghead

Wells

23

Production

1993-01 — 2026-04

Peak Month

2009-01

Production History

Cum Oil: 342,732 BBL Cum Gas: 6,535,770 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,953 BBL/mo

Di (annual)

6.7%

b-factor

0.0

EUR

338,223 BBL

R-squared

0.417

type

exponential

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 (23)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
52RING ENERGY, INC.25,0002021-07-14
53RING ENERGY, INC.15,0002007-09-24
50RING ENERGY, INC.15,0002007-06-25
51RING ENERGY, INC.15,0002007-06-25
27RING ENERGY, INC.34,5001997-11-25
12RING ENERGY, INC.13,1001996-10-30
5RING ENERGY, INC.13,0001996-09-12
16RING ENERGY, INC.14,0001996-08-30
20RING ENERGY, INC.14,0001996-08-30
32RING ENERGY, INC.35,8001996-05-30
3RING ENERGY, INC.25,7541996-05-01
36RING ENERGY, INC.34,4501996-04-22
44RING ENERGY, INC.23,6001996-04-22
39RING ENERGY, INC.23,6501994-02-17
35RING ENERGY, INC.24,6001993-08-18
38RING ENERGY, INC.24,6501993-02-25
1342-103-30294RING ENERGY, INC.------
1842-103-30608RING ENERGY, INC.------
1942-103-30668RING ENERGY, INC.------
242-103-00834RING ENERGY, INC.------
2142-103-30667RING ENERGY, INC.------
2242-103-30822RING ENERGY, INC.------
642-103-00838RING ENERGY, INC.------