ZELPHA

Oil // district 11 // lease#70953

op: HALVEY ENERGY, LLC

cum_oil

16k BBL

cum_gas

0 MCF

wells

1

production

2019-10 — 2026-03

peak_month

2020-01

-- production_history

cum_oil: 16,303 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

395 BBL/mo

Di (annual)

27.2%

b-factor

0.0

EUR

17,378 BBL

R-squared

0.843

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HALVEY ENERGY, LLC18,8002019-06-18
EOF // data source: Texas Railroad Commission // 2026