DEAN BROS.

Oil · District 7B · Lease #3663

Operator: SCHKADE, PATRICIA

Cum Oil

7k BBL

Cum Gas

101k MCF

casinghead

Wells

2

Production

1993-01 — 2022-04

Peak Month

2010-07

Production History

Cum Oil: 7,128 BBL Cum Gas: 101,443 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

204 BBL/mo

Di (annual)

277.5%

b-factor

1.0

EUR

4,367 BBL

R-squared

0.699

type

hyperbolic

Operator History (from monthly production reports)

2013-05 — 2026-07 RATTLESNAKE MOUNTAIN OIL LLC 159 mo
2011-06 — 2013-04 SCHKADE, PATRICIA 23 mo
1993-03 — 2011-05 SCHKADE, DONALD 219 mo
1993-01 — 1993-02 SCHKADE AND SON 2 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2RATTLESNAKE MOUNTAIN OIL LLC21,3502008-03-07
142-417-81971RATTLESNAKE MOUNTAIN OIL LLC------