An employee inspects a sample of crude oil in a laboratory during testing at the Taneco Oil Refining and Petrochemical complex, operated by Tatneft PJSC, in Nizhenekamsk, Tatarstan, Russia. (Photographer: Andrey Rudakov/Bloomberg)

Infected U.S. Shale Oil Is Being Turned Away by Asian Buyers

(Bloomberg) -- The complex web of U.S. pipelines, tanks and export terminals that’s helped make America the world’s top oil producer is causing a headache for some crude buyers.