CASCADE

Oil · District 06 · Lease #13979

Operator: HARMAN OPERATING COMPANY, INC.

Cum Oil

91k BBL

Cum Gas

22k MCF

casinghead

Wells

1

Production

1999-11 — 2026-03

Peak Month

2000-04

Production History

Cum Oil: 90,895 BBL Cum Gas: 22,328 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

832 BBL/mo

Di (annual)

9.0%

b-factor

0.0

EUR

109,544 BBL

R-squared

0.414

type

exponential

Operator History (from monthly production reports)

2025-03 — 2026-07 BIG CREEK OPERATING COMPANY LLC 17 mo
2008-01 — 2025-02 CULVER & CAIN PRODUCTION LLC 206 mo
2005-03 — 2007-12 HARMAN OPERATING COMPANY, INC. 34 mo
1999-11 — 2005-02 BALANCE PRODUCTION CORPORATION 64 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BIG CREEK OPERATING COMPANY LLC16,0001999-10-07