TUBB, J. B., ETAL

Oil · District 08 · Lease #19230

Operator: STRONGHOLD ENERGY II OPER, LLC

Cum Oil

1.3M BBL

Cum Gas

13.9M MCF

casinghead

Wells

63

Production

1993-01 — 2026-04

Peak Month

2011-07

Production History

Cum Oil: 1,260,176 BBL Cum Gas: 13,885,095 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,617 BBL/mo

Di (annual)

16.0%

b-factor

0.0

EUR

871,575 BBL

R-squared

0.888

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 (63)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
76RING ENERGY, INC.55,0002022-03-17
103RING ENERGY, INC.35,0002022-03-10
77RING ENERGY, INC.35,0002022-03-10
32RING ENERGY, INC.54,6502022-01-31
73RING ENERGY, INC.35,0002022-01-31
75RING ENERGY, INC.35,0002022-01-31
88RING ENERGY, INC.45,0002022-01-31
95RING ENERGY, INC.35,0002022-01-31
92RING ENERGY, INC.55,0002022-01-03
72RING ENERGY, INC.35,0002021-12-29
98RING ENERGY, INC.45,0002021-11-30
26RING ENERGY, INC.24,5002021-11-29
85RING ENERGY, INC.35,0002021-11-29
86RING ENERGY, INC.35,0002021-11-22
19RING ENERGY, INC.45,0002021-11-03
74RING ENERGY, INC.25,0002021-11-02
82RING ENERGY, INC.25,0002021-11-01
83RING ENERGY, INC.35,0002021-11-01
89RING ENERGY, INC.45,0002021-11-01
84RING ENERGY, INC.25,0002021-10-15
67RING ENERGY, INC.34,9002021-07-13
81RING ENERGY, INC.35,0002021-06-30
87RING ENERGY, INC.35,0002021-06-30
90RING ENERGY, INC.35,0002021-06-07
27RING ENERGY, INC.24,6502021-05-10
108RING ENERGY, INC.15,0002011-01-14
109RING ENERGY, INC.15,0002010-12-17
106RING ENERGY, INC.15,0002010-07-23
107RING ENERGY, INC.15,0002010-07-23
105RING ENERGY, INC.15,0002010-07-22
104RING ENERGY, INC.15,0002010-07-14
102RING ENERGY, INC.15,0002010-07-09
100RING ENERGY, INC.15,0002010-06-28
99RING ENERGY, INC.15,0002010-06-21
97RING ENERGY, INC.15,0002009-09-08
94RING ENERGY, INC.15,0002009-07-01
96RING ENERGY, INC.15,0002009-07-01
93RING ENERGY, INC.25,0002009-06-11
91RING ENERGY, INC.25,0002009-06-08
68RING ENERGY, INC.36,3002009-03-20
78RING ENERGY, INC.15,0002007-08-07
79RING ENERGY, INC.15,0002007-08-07
80RING ENERGY, INC.15,0002007-08-07
31RING ENERGY, INC.24,7001994-02-18
5RING ENERGY, INC.14,4201990-01-26
33RING ENERGY, INC.24,6001989-11-01
18RING ENERGY, INC.24,5741989-07-12
25RING ENERGY, INC.14,5001989-03-28
34RING ENERGY, INC.13,5501984-05-18
35RING ENERGY, INC.13,5501984-05-18
36RING ENERGY, INC.13,5501984-05-18
30RING ENERGY, INC.13,1001979-11-20
1RING ENERGY, INC.15,7651979-11-13
29 URING ENERGY, INC.14,9501979-06-14
1042-103-00824RING ENERGY, INC.------
1242-103-00826RING ENERGY, INC.------
242-103-00816RING ENERGY, INC.------
2042-103-30399RING ENERGY, INC.------
2142-103-30669RING ENERGY, INC.------
2242-103-30670RING ENERGY, INC.------
2342-103-30876RING ENERGY, INC.------
342-103-00817RING ENERGY, INC.------
742-103-00821RING ENERGY, INC.------