05.07.2009

A single geological petroleum structure or petroleum field which includes gas and/or oil and which extends over more than one block

The EPA is an agency of the Federal government of the US which is responsible for protecting human health and safeguarding the natural environment: air, water and land. It began operations in 1970 and is chiefly responsible for the environmental policy of the United States

The United States Energy Association (USEA) is the U.S. Member Committee of the World Energy Council (WEC). USEA is an association of public and private energy-related organizations, corporations, and government agencies. USEA represents the broad interests of the U.S. energy sector by increasing the understanding of energy issues, both domestically and internationally. In conjunction with the U.S. Agency for International Development and the U.S. Department of Energy, USEA sponsors the US’s Energy Partnership Program.  USEA sponsors policy reports and conferences dealing with global and domestic energy issues as well as sponsors trade and educational exchange visits with other countries. Membership in USEA is open to all organizations having an interest in the energy sector of the United States.

Those areas of the sea over which the UK exercises sovereign rights of exploration and exploitation of natural resources

Unit operating expenditure per boe is calculated by dividing production and other operating costs (royalties) by the net production for the period. This measure does not include the impact of depreciation and amortization costs and exploration costs as they are not considered to be costs associated with the operation of producing assets

Unit lifting costs per boe’ is calculated by excluding royalty, tariff and insurance costs from unit operating costs/expenditure