United States

Alabama (including Coalbed Methane)

Nebraska

Alaska (Cook Inlet; North Slope; Prudhoe Bay)

New Mexico (including Coalbed Methane)

Arkansas

New York

Arizona

North Dakota

California (Coalbed Methane; Offshore; Onshore)

Ohio

Colorado (including Coalbed Methane)

Oklahoma

Florida

Oregon

Illinois

Pennsylvania

South Dakota

Kansas

Texas (including Gulf of Mexico)

Kentucky

Utah

Louisiana (including Gulf of Mexico)

Virginia

Michigan

West Virginia

Mississippi (including Deep Sour Gas)

Wyoming

Montana

International

Angola

Malaysia

Argentina

Mexico

Australia

New Zealand

Azerbaijan

Nigeria

Bangladesh

North Sea

Barbados

Oman

Belize

Peru

Bolivia

Qatar

Brazil

Russia

Canada (including oil shale)

South Africa (Offshore)

Colombia

Syria

Congo

Thailand

Dubai

Trinidad

Equatorial Guinea

Tunisia

Egypt

U. K. (Onshore)

France

United Arab Emirates

Guatemala

Venezuela

Honduras

Western Siberia

Indonesia

Viet Nam

Irish Sea

Yemen

Ivory Coast (Offshore Africa)