HOLDEN 20

Oil // district 10 // lease#44707

op: OVINTIV USA INC.

cum_oil

26k BBL

cum_gas

0 MCF

wells

1

production

2013-12 — 2026-03

peak_month

2014-02

-- production_history

cum_oil: 25,709 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,119 BBL/mo

Di (annual)

113.8%

b-factor

0.7

EUR

31,318 BBL

R-squared

0.801

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ATHLON FE OPERATING LLC19,6002013-09-26
EOF // data source: Texas Railroad Commission // 2026