ARCO FEE

Oil // district 3 // lease#23520

op: ROBERSON OIL COMPANY

cum_oil

177k BBL

cum_gas

0 MCF

wells

4

production

1998-05 — 2026-03

peak_month

2000-12

-- production_history

cum_oil: 177,316 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,127 BBL/mo

Di (annual)

51.5%

b-factor

0.4

EUR

118,274 BBL

R-squared

0.793

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5ROBERSON OIL COMPANY411,0002003-06-30
2ROBERSON OIL COMPANY611,0002000-07-19
3PECOS PETROLEUM COMPANY411,0001999-11-10
1PECOS PETROLEUM COMPANY310,5001998-05-20
EOF // data source: Texas Railroad Commission // 2026