Western Hemisphere Energy Security Act of 2012

Western Hemisphere Energy Security Act of 2012 - Permits U.S. persons (including agents and affiliates) to: (1) engage in any transaction necessary for either exploration and extraction of hydrocarbon resources or for oil spill prevention and clean-up activities from any portion of a foreign exclusive economic zone contiguous to the U.S. exclusive economic zone; (2) export without license authority all equipment necessary for such exploration, extraction, or oil spill prevention and clean-up activities; and (3) import into the United States the hydrocarbon resources and products that are extracted under this Act.

Amends the Trade Sanctions Reform and Export Enhancement Act of 2000 to instruct the Secretary of the Treasury to authorize under a general license certain travel-related transactions for travel to, from, or within Cuba in connection with either exploration and extraction of hydrocarbon resources or oil spill prevention and clean-up activities in any such part of a foreign maritime exclusive economic zone contiguous to the U.S. exclusive economic zone.

Includes among persons authorized to travel to Cuba under this Act full-time employees, executives, agents, and consultants of oil and gas producers, distributors, shippers, and persons who engage in oil spill prevention and clean-up activities.