KLINE

Oil // district 11 // lease#66117

op: THREE SPAN OIL & GAS, INC.

cum_oil

512k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2026-03

peak_month

2003-01

-- production_history

cum_oil: 512,342 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,567 BBL/mo

Di (annual)

27.3%

b-factor

0.6

EUR

388,032 BBL

R-squared

0.853

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3WTHREE SPAN OIL & GAS, INC.37,6652023-08-18
1IP PETROLEUM COMPANY, INC.28,2001990-09-18
2IP PETROLEUM COMPANY, INC.18,2001988-02-22
EOF // data source: Texas Railroad Commission // 2026