LEGGETT

Oil // district 5 // lease#3581

op: SPARTAN OPERATING COMPANY, INC.

cum_oil

32k BBL

cum_gas

0 MCF

wells

1

production

1997-10 — 2026-03

peak_month

2004-10

-- production_history

cum_oil: 31,744 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

161 BBL/mo

Di (annual)

6.0%

b-factor

0.0

EUR

30,431 BBL

R-squared

0.360

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SPARTAN OPERATING COMPANY, INC.16,0001997-08-22
EOF // data source: Texas Railroad Commission // 2026