KING-BOX UNIT

Oil // district 13 // lease#30325

op: D L OPERATING

cum_oil

54k BBL

cum_gas

0 MCF

wells

1

production

2004-04 — 2026-03

peak_month

2004-05

-- production_history

cum_oil: 53,926 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

329 BBL/mo

Di (annual)

7.9%

b-factor

0.0

EUR

49,126 BBL

R-squared

0.373

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WESTERN CHIEF OIL & GAS COMPANY25,3002004-04-27
EOF // data source: Texas Railroad Commission // 2026