DOUGHERTY - CHALLENGER A

Oil // district 2 // lease#12542

op: DEVON ENERGY PRODUCTION CO, L.P.

cum_oil

204k BBL

cum_gas

0 MCF

wells

1

production

2023-01 — 2026-03

peak_month

2023-01

-- production_history

cum_oil: 203,911 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

25,991 BBL/mo

Di (annual)

350.3%

b-factor

0.8

EUR

316,642 BBL

R-squared

0.939

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HVALIDUS NRG AQUILAS ASSETCO LLC214,0002022-07-20
EOF // data source: Texas Railroad Commission // 2026