GRIFFEN

Oil // district 10 // lease#28139

op: PERMIAN RESOURCES, INC.

cum_oil

22k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2020-10

peak_month

1993-05

-- production_history

cum_oil: 22,243 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

156 BBL/mo

Di (annual)

6.9%

b-factor

0.0

EUR

26,337 BBL

R-squared

0.313

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2MERIDIAN OIL INC.18,1001986-05-20
1MILESTONE PETROLEUM INC.18,0001983-04-15
EOF // data source: Texas Railroad Commission // 2026