THORNBURG "A"

Oil // district 9 // lease#11655

op: OLSEN ENERGY INC.

cum_oil

37k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2005-02

peak_month

1993-01

-- production_history

cum_oil: 36,826 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

399 BBL/mo

Di (annual)

8.8%

b-factor

0.0

EUR

53,743 BBL

R-squared

0.576

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1OLSEN ENERGY INC.24,7002026-01-09
2OLSEN ENERGY INC.14,7001986-01-10
EOF // data source: Texas Railroad Commission // 2026