SINCLAIR 57 H9

Oil · District 7C · Lease #22598

Operator: COG OPERATING LLC

Cum Oil

278k BBL

Cum Gas

1.2M MCF

casinghead

Wells

1

Production

2024-03 — 2026-04

Peak Month

2024-10

Production History

Cum Oil: 277,980 BBL Cum Gas: 1,196,937 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

45,001 BBL/mo

Di (annual)

328.4%

b-factor

0.6

EUR

392,919 BBL

R-squared

0.988

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
601BHCOG OPERATING LLC212,0002023-10-20