HEADLEE DEVONIAN UNIT

Oil // district 10 // lease#30921

op: FOUR STAR OIL AND GAS COMPANY

cum_oil

30k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2009-02

peak_month

1993-05

-- production_history

cum_oil: 30,388 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

498 BBL/mo

Di (annual)

40.2%

b-factor

0.9

EUR

41,571 BBL

R-squared

0.678

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6701FOUR STAR OIL AND GAS COMPANY112,1802008-12-08
EOF // data source: Texas Railroad Commission // 2026