UNIVERSITY 11 SEC. 11 "A"

Oil // district 10 // lease#33578

op: ARCO PERMIAN

cum_oil

66k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2001-05

peak_month

1994-07

-- production_history

cum_oil: 66,161 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

901 BBL/mo

Di (annual)

16.7%

b-factor

2.0

EUR

207,433 BBL

R-squared

0.421

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6ARCO PERMIAN57,2001999-03-11
5ARCO OIL & GAS CO.47,2001993-07-02
4ARCO OIL & GAS CO.47,2001992-07-08
EOF // data source: Texas Railroad Commission // 2026