STEINLE 15

Oil · District 8A · Lease #70474

Operator: TRIUMPH EXPLORATION, INC.

Cum Oil

49k BBL

Cum Gas

22k MCF

casinghead

Wells

2

Production

2016-05 — 2022-05

Peak Month

2016-06

Production History

Cum Oil: 49,240 BBL Cum Gas: 21,512 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,815 BBL/mo

Di (annual)

76.4%

b-factor

0.1

EUR

49,122 BBL

R-squared

0.818

type

hyperbolic

Operator History (from monthly production reports)

2022-01 — 2026-07 CIERVO RESOURCES ASSET HLDG, LLC 55 mo
2017-11 — 2021-12 FORTUNA RESOURCES DVLPMENT, LLC 50 mo
2016-05 — 2017-10 TRIUMPH EXPLORATION, INC. 18 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HCIERVO RESOURCES ASSET HLDG LLC14,6502016-09-22
1HCIERVO RESOURCES ASSET HLDG LLC14,6202016-04-01