CLARK -7-

Oil // district 10 // lease#20270

op: STEPHENS, AUTRY C.

cum_oil

100k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2026-03

peak_month

1993-06

-- production_history

cum_oil: 100,062 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

624 BBL/mo

Di (annual)

7.9%

b-factor

0.0

EUR

93,266 BBL

R-squared

0.640

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3RHOUSTON OIL & MINERALS CORP.18,4001991-09-05
4HOUSTON OIL & MINERALS CORP.18,4001991-07-18
242-173-30124--------
EOF // data source: Texas Railroad Commission // 2026