TM "D"

Oil · District 8A · Lease #68890

Operator: TRIUMPH EXPLORATION, INC.

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

Cum Oil

121k BBL

Cum Gas

549k MCF

casinghead

Wells

3

Production

2005-12 — 2023-03

Peak Month

2006-11

Production History

Cum Oil: 121,286 BBL Cum Gas: 548,823 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,874 BBL/mo

Di (annual)

37.7%

b-factor

0.8

EUR

149,454 BBL

R-squared

0.903

type

hyperbolic

Operator History (from monthly production reports)

2026-03 — 2026-07 SF RESOURCES INC 5 mo

2022-01 — 2026-02 CIERVO RESOURCES ASSET HLDG, LLC 50 mo

2017-11 — 2021-12 FORTUNA RESOURCES DVLPMENT, LLC 50 mo

2014-10 — 2017-10 TRIUMPH EXPLORATION, INC. 37 mo

2007-10 — 2014-09 ENERVEST OPERATING, L.L.C. 84 mo

2006-05 — 2007-09 PLANTATION OPERATING, LLC 17 mo

2005-12 — 2006-04 TRIUMPH EXPLORATION, INC. 5 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3	42-165-36623	SF RESOURCES INC	1	8,000	2006-07-25
2	42-165-36514	SF RESOURCES INC	1	7,800	2006-02-28
1	42-165-36439	SF RESOURCES INC	1	7,800	2005-10-18