ER UNIT 58-3

Oil // district 9 // lease#18624

op: ZARVONA ENERGY LLC

cum_oil

673k BBL

cum_gas

0 MCF

wells

4

production

2014-01 — 2026-03

peak_month

2015-10

-- production_history

cum_oil: 672,689 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

14,606 BBL/mo

Di (annual)

109.3%

b-factor

1.2

EUR

812,609 BBL

R-squared

0.888

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5WADIAMONDBACK E&P LLC110,0002014-09-16
3HDIAMONDBACK E&P LLC210,0002014-05-23
2HDIAMONDBACK E&P LLC19,0002014-04-25
1HDIAMONDBACK E&P LLC19,0002013-11-26
EOF // multi-state drilling data platform // 2026