DUNCAN, G.C. JR. ET AL

Oil · District 03 · Lease #23776

Operator: ZINN PETROLEUM CO.

Cum Oil

32k BBL

Cum Gas

89k MCF

casinghead

Wells

2

Production

1999-10 — 2008-12

Peak Month

1999-11

Production History

Cum Oil: 32,182 BBL Cum Gas: 88,734 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

932 BBL/mo

Di (annual)

54.5%

b-factor

0.4

EUR

33,369 BBL

R-squared

0.654

type

hyperbolic

Operator History (from monthly production reports)

1999-10 — 2011-03 ZINN PETROLEUM CO. 138 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5ZINN PETROLEUM CO.17,7001999-08-27
5 CZINN PETROLEUM CO.17,7001999-08-27