UL OG EAST I 1219-27

Oil // district 9 // lease#23032

op: DE CENTRAL OPERATING, LLC

cum_oil

253k BBL

cum_gas

0 MCF

wells

4

production

2025-02 — 2026-03

peak_month

2025-06

-- production_history

cum_oil: 252,729 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

45,784 BBL/mo

Di (annual)

181.0%

b-factor

0.0

EUR

304,049 BBL

R-squared

0.973

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4215HDE IV OPERATING, LLC18,7002024-10-16
4415HDE IV OPERATING, LLC18,7002024-10-16
4209HDE IV OPERATING, LLC28,7002024-09-20
4409HDE IV OPERATING, LLC28,7002024-09-19
EOF // data source: Texas Railroad Commission // 2026