ConocoPhillips was incorporated in the state of Delaware on November 16, 2001, in connection with, and in anticipation of, the merger between Conoco Inc. and Phillips Petroleum Company. The Company is an independent exploration and production (E&P) company. The Company is engaged in exploring for, developing and producing crude oil and natural gas. The Company's portfolio includes resource-rich North American tight oil and oil sands assets; lower-risk legacy assets in North America, Europe, Asia and Australia; several international developments; and an inventory of conventional and unconventional exploration prospects. The Company manages its operations through six geographical segments including Alaska, Lower 48, Canada, Europe and North Africa, Asia Pacific and Middle East, and Other International. The Alaska segment explores for, produces, transports and markets crude oil, natural gas liquids, natural gas and LNG. It has ownership interests in two of North America's oil fields located on Alaska's North Slope: Prudhoe Bay and Kuparuk. The Lower 48 segment consists of operations located in the U.S. Lower 48 states and exploration activities in the Gulf of Mexico. The Lower 48 business is organized within three regions covering the Gulf Coast, Mid-Continent and Rockies. The Canadian operations consist of natural gas fields in western Canada and oil sands developments in the Athabasca Region of northeastern Alberta. The Europe and North Africa segment consists of operations and exploration activities in Norway, the United Kingdom and Libya. The Asia Pacific and Middle East segment has exploration and production operations in China, Indonesia, Malaysia and Australia; producing operations in Qatar and Timor-Leste; and exploration activities in Brunei. The Other International segment includes exploration activities in Colombia, Angola and Senegal. The Company has a total of approximately 1,012 active patents in 58 countries, including 387 active U.S. patents. The Company is subject to certain laws and regulations relating to environmental remediation obligations associated such as CERCLA and RCRA and their state equivalents.