SINCLAIR 57 H11

Oil · District 7C · Lease #22659

Operator: COG OPERATING LLC

Cum Oil

186k BBL

Cum Gas

744k MCF

casinghead

Wells

1

Production

2024-01 — 2026-04

Peak Month

2024-08

Production History

Cum Oil: 185,574 BBL Cum Gas: 743,707 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

42,500 BBL/mo

Di (annual)

972.7%

b-factor

1.1

EUR

406,701 BBL

R-squared

0.991

type

hyperbolic

Operator History (from monthly production reports)

2024-01 — 2026-07 COG OPERATING LLC 31 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
604BHCOG OPERATING LLC212,0002023-10-30