JOHNSON HC4

Oil // district 1 // lease#20961

op: INEOS USA OIL & GAS LLC

cum_oil

376k BBL

cum_gas

0 MCF

wells

1

production

2023-05 — 2026-03

peak_month

2023-05

-- production_history

cum_oil: 375,785 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

39,846 BBL/mo

Di (annual)

305.2%

b-factor

1.0

EUR

789,509 BBL

R-squared

0.981

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HCHESAPEAKE OPERATING, INC.19,0002022-09-21
EOF // data source: Texas Railroad Commission // 2026