DUGAT UNIT

Oil · District 02 · Lease #8779

Operator: CHAPARRAL NATURAL RESOURCES,INC.

Cum Oil

2k BBL

Cum Gas

107k MCF

casinghead

Wells

1

Production

2003-03 — 2004-04

Peak Month

2003-05

Production History

Cum Oil: 2,013 BBL Cum Gas: 107,172 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

400 BBL/mo

Di (annual)

630.4%

b-factor

0.0

EUR

777 BBL

R-squared

0.765

type

exponential

Operator History (from monthly production reports)

2003-03 — 2005-06 CHAPARRAL NATURAL RESOURCES,INC. 28 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1CHAPARRAL NATURAL RESOURCES INC.29,0002003-01-23