CONGER, FOSTER -19-

Oil // district 10 // lease#27123

op: STANOLIND PRODUCTION LLC

cum_oil

343k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2026-03

peak_month

1995-05

-- production_history

cum_oil: 342,952 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,096 BBL/mo

Di (annual)

7.9%

b-factor

0.0

EUR

311,611 BBL

R-squared

0.837

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4 LDORCHESTER EXPLORATION, INC.18,8501983-06-29
5DORCHESTER EXPLORATION, INC.18,8081982-05-07
2DORCHESTER EXPLORATION, INC.18,7201981-06-05
EOF // data source: Texas Railroad Commission // 2026