UL OG EAST O 1219-27

Oil // district 9 // lease#23010

op: DE CENTRAL OPERATING, LLC

cum_oil

254k BBL

cum_gas

0 MCF

wells

6

production

2025-02 — 2026-03

peak_month

2025-05

-- production_history

cum_oil: 253,575 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

56,112 BBL/mo

Di (annual)

265.0%

b-factor

0.2

EUR

318,615 BBL

R-squared

0.979

type

hyperbolic

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4215 HDE IV OPERATING, LLC18,7002024-10-16
4215HDE IV OPERATING, LLC18,7002024-10-16
4415 HDE 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