HARDEE "A"

Oil // district 11 // lease#5663

op: SOUTHWEST ROYALTIES, INC.

cum_oil

105k BBL

cum_gas

0 MCF

wells

13

production

1993-01 — 2026-03

peak_month

1993-03

-- production_history

cum_oil: 105,049 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,069 BBL/mo

Di (annual)

11.8%

b-factor

0.0

EUR

108,242 BBL

R-squared

0.600

type

exponential

-- wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
14DEMINEX U. S. OIL CO.11,8001985-10-29
13DEMINEX U. S. OIL CO.11,8001985-10-24
142-415-02184--------
1042-415-01919--------
1142-415-01920--------
12W42-415-01921--------
242-415-02185--------
342-415-00485--------
442-415-00488--------
6W42-415-01914--------
742-415-01915--------
842-415-01916--------
9W42-415-01917--------
EOF // data source: Texas Railroad Commission // 2026