OVERVIEW SemGroup Corporation is a Delaware corporation headquartered in Tulsa, Oklahoma that provides diversified services for end-users and consumers of crude oil, natural gas, natural gas liquids, refined products and asphalt. The accompanying consolidated financial statements include the activities of SemGroup Corporation and its subsidiaries. The terms we, our, us, the Company and similar language used in these notes to consolidated financial statements refer to SemGroup Corporation and its subsidiaries. At December 31, 2016, our reportable segments include the following:  Crude Transportation, which operates crude oil pipelines and truck transportation businesses in the United States. Crude Transportations assets include:  a crude oil gathering and transportation pipeline system in Kansas and northern Oklahoma that is connected to several third-party pipelines and refineries;  the Wattenberg Oil Trunkline ("WOT"), a crude oil gathering pipeline system that transports crude oil from production facilities in the DJ Basin to the pipeline owned by White Cliffs Pipeline, L.L.C. ("White Cliffs");  a crude oil trucking fleet of over 225 transport trucks and 235 trailers;  Maurepas Pipeline, a project underway to build three pipelines to service refineries in the Gulf Coast region, which is expected to be completed in late second quarter 2017;  a 51% ownership interest in White Cliffs, which owns crude oil pipelines that transport crude oil from Platteville, Colorado to Cushing, Oklahoma (the "White Cliffs Pipeline"); and  a 50% ownership interest in Glass Mountain Pipeline, LLC ("Glass Mountain"), which owns a crude oil pipeline in western and north central Oklahoma (the "Glass Mountain Pipeline").  Crude Facilities, which operates crude oil storage and terminal businesses in Cushing, Oklahoma and a crude oil truck unloading facility in Platteville, Colorado that connects to the origination point of the White Cliffs Pipeline.  Crude Supply and Logistics, which operates a crude oil marketing busin