DUNGAN-KEY TRUST

Oil // district 4 // lease#14121

op: WAPITI OPERATING, LLC

fields: SPARTAN (F-A)

cum_oil

52k BBL

cum_gas

0 MCF

wells

1

production

2019-01 — 2026-03

peak_month

2019-04

-- production_history

cum_oil: 51,931 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,106 BBL/mo

Di (annual)

14.8%

b-factor

0.0

EUR

89,900 BBL

R-squared

0.313

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WAPITI OPERATING, LLC28,0002018-09-28
EOF // data source: Texas Railroad Commission // 2026