JARZOMBEK UNIT

Oil // district 1 // lease#18642

op: FIRST ROCK, INC.

cum_oil

3k BBL

cum_gas

0 MCF

wells

1

production

2015-05 — 2023-02

peak_month

2015-06

-- production_history

cum_oil: 3,375 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

657 BBL/mo

Di (annual)

895.8%

b-factor

0.4

EUR

1,478 BBL

R-squared

0.774

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HNUCORP ENERGY, INC.27,5802015-04-22
EOF // data source: Texas Railroad Commission // 2026