< leases

STEINLE 15

Oil · District 8A · Lease #70305

Operator: TRIUMPH EXPLORATION, INC.

Fields: TEX-MEX, SE. (WICHITA ALBANY)

Cum Oil

82k BBL

Cum Gas

306k MCF

casinghead

Wells

2

Production

2015-01 — 2026-04

Peak Month

2015-11

Production History

Cum Oil: 81,884 BBL Cum Gas: 306,391 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,897 BBL/mo

Di (annual)

58.3%

b-factor

0.8

EUR

107,315 BBL

R-squared

0.678

type

hyperbolic

Operator History (from monthly production reports)

2024-06 — 2026-07 SOZO NATURAL RESOURCES LLC 26 mo
2022-01 — 2024-05 CIERVO RESOURCES ASSET HLDG, LLC 29 mo
2017-11 — 2021-12 FORTUNA RESOURCES DVLPMENT, LLC 50 mo
2015-01 — 2017-10 TRIUMPH EXPLORATION, INC. 34 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-165-38334SOZO NATURAL RESOURCES LLC17,9502015-08-07
142-165-38275SOZO NATURAL RESOURCES LLC17,9502014-12-04