OLIVER, J. R.

Oil // district 5 // lease#3557

op: CRAWFORD HUGHES OPERATING CO.

cum_oil

222k BBL

cum_gas

0 MCF

wells

2

production

1997-06 — 2026-03

peak_month

1997-10

-- production_history

cum_oil: 221,999 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

5,222 BBL/mo

Di (annual)

77.3%

b-factor

0.5

EUR

154,101 BBL

R-squared

0.684

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2CRAWFORD ENERGY, INCORPORATED25,7001999-01-22
2CCRAWFORD ENERGY, INCORPORATED25,7001999-01-22
EOF // data source: Texas Railroad Commission // 2026