LOS VAQUEROS UNIT 4

Oil // district 10 // lease#61030

op: PERMIAN RESOURCES OPERATING, LLC

cum_oil

275k BBL

cum_gas

0 MCF

wells

5

production

2024-03 — 2026-03

peak_month

2024-06

-- production_history

cum_oil: 275,304 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

23,627 BBL/mo

Di (annual)

198.3%

b-factor

2.0

EUR

1,875,653 BBL

R-squared

0.877

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
114HPERMIAN RESOURCES OPERATING, LLC112,0002025-04-11
125HPERMIAN RESOURCES OPERATING, LLC112,0002025-04-11
524HEARTHSTONE OPERATING, LLC213,6002023-09-25
464HEARTHSTONE OPERATING, LLC213,3002023-08-22
444HEARTHSTONE OPERATING, LLC213,2002023-08-16
EOF // data source: Texas Railroad Commission // 2026