SINCLAIR 57 H12

Oil · District 7C · Lease #22609

Operator: COG OPERATING LLC

Cum Oil

147k BBL

Cum Gas

622k MCF

casinghead

Wells

1

Production

2024-02 — 2026-04

Peak Month

2024-08

Production History

Cum Oil: 147,084 BBL Cum Gas: 622,398 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

29,116 BBL/mo

Di (annual)

557.6%

b-factor

0.8

EUR

233,427 BBL

R-squared

0.986

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
606BHCOG OPERATING LLC212,0002023-10-06