CASCADE "D"

Oil · District 08 · Lease #40632

Operator: GRACE PETROLEUM OPERATING, LLC

Cum Oil

16k BBL

Cum Gas

33k MCF

casinghead

Wells

1

Production

2010-06 — 2026-04

Peak Month

2010-07

Production History

Cum Oil: 16,353 BBL Cum Gas: 32,527 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

97 BBL/mo

Di (annual)

5.1%

b-factor

0.0

EUR

21,159 BBL

R-squared

0.329

type

exponential

Operator History (from monthly production reports)

2021-01 — 2026-07 GRACE PETROLEUM OPERATING, LLC 67 mo
2010-06 — 2020-12 BROWN, H.L. OPERATING, L.L.C. 127 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1GRACE PETROLEUM OPERATING, LLC37,1002002-12-31