SORRELL "D"

Oil · District 7C · Lease #16665

Operator: W.R. GUFFEY LLC

Cum Oil

3k BBL

Cum Gas

580 MCF

casinghead

Wells

2

Production

2008-09 — 2016-02

Peak Month

2009-02

Production History

Cum Oil: 3,250 BBL Cum Gas: 580 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

189 BBL/mo

Di (annual)

173.8%

b-factor

0.8

EUR

4,240 BBL

R-squared

0.794

type

hyperbolic

Operator History (from monthly production reports)

2015-10 — 2016-06 W.R. GUFFEY LLC 9 mo
2008-09 — 2015-09 GUFFEY, WM. R. 85 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2W.R. GUFFEY LLC12,3502008-09-08
1W.R. GUFFEY LLC12,3502008-03-07