PUMA 21

Oil // district 10 // lease#45703

op: OVINTIV USA INC.

cum_oil

38k BBL

cum_gas

0 MCF

wells

1

production

2014-03 — 2026-03

peak_month

2014-04

-- production_history

cum_oil: 38,034 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,331 BBL/mo

Di (annual)

339.5%

b-factor

1.0

EUR

24,209 BBL

R-squared

0.495

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BIG STAR OIL & GAS, LLC211,0002013-12-20
EOF // data source: Texas Railroad Commission // 2026