MOBIL -13-

Oil · District 08 · Lease #26097

Operator: R.K.G. OPERATIONS, INC.

Fields: TROPORO (DEVONIAN)

Cum Oil

101k BBL

Cum Gas

1.2M MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

1995-04

Production History

Cum Oil: 101,127 BBL Cum Gas: 1,241,847 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

472 BBL/mo

Di (annual)

6.2%

b-factor

0.0

EUR

86,938 BBL

R-squared

0.754

type

exponential

Operator History (from monthly production reports)

2016-01 — 2026-07 OLSEN ENERGY INC. 127 mo

2004-07 — 2015-12 R. K. G. ENGINEERING, INC. 138 mo

1997-01 — 2004-06 R.K.G. OPERATIONS, INC. 90 mo

1993-01 — 1996-12 R. K. G. ENGINEERING, INC. 48 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-371-33657	OLSEN ENERGY INC.	1	6,000	1981-11-25
1	42-371-33139	OLSEN ENERGY INC.	1	6,000	1980-06-26