TREGELLAS 675

Oil · District 10 · Lease #7583

Operator: EOG RESOURCES, INC.

Cum Oil

99k BBL

Cum Gas

600k MCF

casinghead

Wells

3

Production

2005-06 — 2011-04

Peak Month

2006-08

Production History

Cum Oil: 98,626 BBL Cum Gas: 600,400 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,658 BBL/mo

Di (annual)

28.7%

b-factor

0.0

EUR

111,141 BBL

R-squared

0.520

type

exponential

Operator History (from monthly production reports)

2005-06 — 2012-04 EOG RESOURCES, INC. 83 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HHIGHMARK ENERGY OPERATING, LLC19,0002008-10-10
3HHIGHMARK ENERGY OPERATING, LLC19,0002006-03-28
2 HHIGHMARK ENERGY OPERATING, LLC19,0002005-04-13