ROUGH CREEK RANCH "A"

Oil // district 8 // lease#30098

op: FORTUNA EXPLORATION, INC.

cum_oil

10k BBL

cum_gas

0 MCF

wells

3

production

2008-04 — 2026-03

peak_month

2008-11

-- production_history

cum_oil: 9,809 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

296 BBL/mo

Di (annual)

98.6%

b-factor

0.6

EUR

8,096 BBL

R-squared

0.784

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
15FORTUNA EXPLORATION, INC.13,7502009-03-24
12FORTUNA EXPLORATION, INC.13,8002008-06-28
11FORTUNA EXPLORATION, INC.13,8002008-01-16
EOF // multi-state drilling data platform // 2026