SINCLAIR 57 H1

Oil · District 7C · Lease #22601

Operator: COG OPERATING LLC

Cum Oil

235k BBL

Cum Gas

364k MCF

casinghead

Wells

1

Production

2024-03 — 2026-04

Peak Month

2024-10

Production History

Cum Oil: 234,957 BBL Cum Gas: 363,751 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

36,098 BBL/mo

Di (annual)

578.0%

b-factor

1.1

EUR

517,717 BBL

R-squared

0.950

type

hyperbolic

Operator History (from monthly production reports)

2024-03 — 2026-07 COG OPERATING LLC 29 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
109LHCOG OPERATING LLC212,0002023-10-20