Date: 5/16/2013

(1)

Chapter: Glossary

Page: 298

Nature of error:

Definition of unconventional oil and gas incorrect. Should read:

Any method of extracting hydrocarbons other than by drilling into subsurface formations which have favorable porosity and permeability. Included in this category are those sources which are only economically viable with the use of hydraulic fracturing or horizontal drilling.

(2)

Chapter: Glossary

Page: 298

Nature of error:

Definition of upstream sector incorrect. Should read:

The processes, facilities, personnel and infrastructure dedicated to the extraction of oil and gas from the ground. Included in this category are the exploration, drilling, completion, and production phases of an oil or gas well.