STATE LEASE 103389

Oil // district 3 // lease#25415

op: JEFFERSON BLOCK 24 OIL & GAS LLC

cum_oil

124k BBL

cum_gas

0 MCF

wells

1

production

2009-07 — 2026-03

peak_month

2009-09

-- production_history

cum_oil: 123,528 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

14,233 BBL/mo

Di (annual)

145.3%

b-factor

0.1

EUR

130,749 BBL

R-squared

0.812

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
C 10VASTAR RESOURCES, INC.415,0002009-08-04
EOF // data source: Texas Railroad Commission // 2026