WARD, RUFUS JR.

Oil // district 5 // lease#3570

op: SPARTAN OPERATING COMPANY, INC.

cum_oil

32k BBL

cum_gas

0 MCF

wells

2

production

1997-06 — 2026-03

peak_month

1997-12

-- production_history

cum_oil: 32,110 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

425 BBL/mo

Di (annual)

29.0%

b-factor

0.5

EUR

30,861 BBL

R-squared

0.699

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2SPARTAN OPERATING COMPANY, INC.16,0001997-08-14
1XSPARTAN OPERATING COMPANY, INC.16,0001997-05-05
EOF // data source: Texas Railroad Commission // 2026