BUTLER-RICHTER UNIT

Oil // district 1 // lease#10078

op: M IV OPS., INC.

cum_oil

4k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2008-07

peak_month

1994-07

-- production_history

cum_oil: 3,855 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

126 BBL/mo

Di (annual)

126.9%

b-factor

0.0

EUR

1,183 BBL

R-squared

0.413

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MARK IV ENERGY26,5361984-08-29
EOF // data source: Texas Railroad Commission // 2026