ARCO FEE

Oil // district 3 // lease#22273

op: ROBERSON OIL COMPANY

cum_oil

178k BBL

cum_gas

0 MCF

wells

2

production

1993-12 — 2026-03

peak_month

1994-02

-- production_history

cum_oil: 177,577 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,008 BBL/mo

Di (annual)

24.3%

b-factor

0.4

EUR

153,415 BBL

R-squared

0.710

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5ROBERSON OIL COMPANY411,0002003-06-30
6PECOS PETROLEUM COMPANY111,0001993-11-22
EOF // data source: Texas Railroad Commission // 2026