VASTAR-JOHNSON

Oil // district 3 // lease#25680

op: DAVIS SOUTHERN OPERATING CO LLC

cum_oil

322k BBL

cum_gas

0 MCF

wells

1

production

2006-12 — 2022-03

peak_month

2007-05

-- production_history

cum_oil: 322,417 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

12,023 BBL/mo

Di (annual)

70.0%

b-factor

0.2

EUR

257,454 BBL

R-squared

0.871

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DAVIS SOUTHERN OPERATING CO LLC79,4002021-12-22
EOF // data source: Texas Railroad Commission // 2026