Oil Spill Could Be Contained by Monday 5.46K Jim Newell 07/09/10 03:45PM Filed to: oil spill oil spill Bp gulf of mexico containment cap io9 Cross your fingers: BP and the government will put a new containment cap over The Leak this weekend that could fully contain—not "stop"—the oil. There will, however, be a period of free-flowing oil during the transition.