SINCLAIR 57 H13

Oil · District 7C · Lease #22621

Operator: COG OPERATING LLC

Cum Oil

241k BBL

Cum Gas

883k MCF

casinghead

Wells

1

Production

2024-02 — 2026-04

Peak Month

2024-09

Production History

Cum Oil: 240,985 BBL Cum Gas: 883,108 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

33,454 BBL/mo

Di (annual)

405.1%

b-factor

0.9

EUR

436,489 BBL

R-squared

0.996

type

hyperbolic

Operator History (from monthly production reports)

2024-02 — 2026-07 COG OPERATING LLC 30 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
607BHCOG OPERATING LLC212,0002023-10-06