BLACKWELL, S.M. -B-

Oil // district 1 // lease#8489

op: SOTOL ENERGY, INC.

cum_oil

544 BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

2012-10

-- production_history

cum_oil: 544 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

61 BBL/mo

Di (annual)

378.8%

b-factor

0.6

EUR

391 BBL

R-squared

0.835

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4BASTROP ENERGY GROUP12,4002023-12-13
EOF // data source: Texas Railroad Commission // 2026