SUMBERA HC1

Oil · District 01 · Lease #20226

Operator: INEOS USA OIL & GAS LLC

Cum Oil

252k BBL

Cum Gas

793k MCF

casinghead

Wells

1

Production

2020-07 — 2026-04

Peak Month

2020-09

Production History

Cum Oil: 251,795 BBL Cum Gas: 793,216 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

19,095 BBL/mo

Di (annual)

637.1%

b-factor

1.4

EUR

425,009 BBL

R-squared

0.802

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 1HINEOS USA OIL & GAS LLC111,0002020-01-24