An oil worker turns a control wheel on a cluster well as pipework stands on the Russkoye heavy crude oil field, operated by Rosneft PJSC, in the Yamalo-Nenets region of East Siberia, near Novy Urengoy, in Russia. (Photographer: Andrey Rudakov/Bloomberg)

Oil Ekes Out Weekly Gain as Stockpiles Fall Amid Iran Tensions

(Bloomberg) -- Oil is set for a weekly increase as U.S. crude stockpiles tighten and as lingering tensions surrounding Iran stoke concerns that energy flows from the Middle East may be disrupted.