HAMPTON/HARDIN UNIT

Oil // district 9 // lease#15277

op: W.R. GUFFEY LLC

cum_oil

33k BBL

cum_gas

0 MCF

wells

1

production

2002-08 — 2026-03

peak_month

2003-07

-- production_history

cum_oil: 32,967 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

617 BBL/mo

Di (annual)

24.5%

b-factor

0.0

EUR

30,140 BBL

R-squared

0.752

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1GUFFEY, WM. R.13,3002002-06-13
EOF // data source: Texas Railroad Commission // 2026