SUMBERA HC4

Oil · District 01 · Lease #20233

Operator: INEOS USA OIL & GAS LLC

Cum Oil

203k BBL

Cum Gas

734k MCF

casinghead

Wells

1

Production

2020-07 — 2023-10

Peak Month

2020-10

Production History

Cum Oil: 202,700 BBL Cum Gas: 734,010 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

26,317 BBL/mo

Di (annual)

239.8%

b-factor

0.4

EUR

219,295 BBL

R-squared

0.955

type

hyperbolic

Operator History (from monthly production reports)

2023-04 — 2026-07 INEOS USA OIL & GAS LLC 40 mo
2020-07 — 2023-03 CHESAPEAKE OPERATING, L.L.C. 33 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
C 4HINEOS USA OIL & GAS LLC111,0002020-01-24