RUTH "A"

Oil // district 9 // lease#9582

op: DISCOVERY OPERATING, INC.

cum_oil

36k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

1994-10

-- production_history

cum_oil: 36,102 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

154 BBL/mo

Di (annual)

5.0%

b-factor

0.0

EUR

33,959 BBL

R-squared

0.641

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DISCOVERY OPERATING, INC.27,4002025-06-05
EOF // data source: Texas Railroad Commission // 2026