LILIAN 21

Oil · District 7C · Lease #21239

Operator: SUMMIT PETROLEUM LLC

Cum Oil

285k BBL

Cum Gas

431k MCF

casinghead

Wells

1

Production

2020-10 — 2026-04

Peak Month

2021-09

Production History

Cum Oil: 284,789 BBL Cum Gas: 430,745 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,992 BBL/mo

Di (annual)

54.2%

b-factor

0.0

EUR

221,435 BBL

R-squared

0.516

type

exponential

Operator History (from monthly production reports)

2020-10 — 2026-07 SUMMIT PETROLEUM LLC 70 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
42WASUMMIT PETROLEUM LLC110,0002020-04-08