` ` ' containment chamber '' could reduce leak by more than 80 percent . It would straddle the pipe and lock itself into the seabed , so that the leaking oil goes into the chamber itself . Water pressure , greater than oil pressure , could help bring the oil to the surface . Engineers still putting together the 100-ton , 40-foot - tall , brown device . Containment chamber could be in place by end of the week , the official says .
` ` ' containment chamber '' could reduce leak by more than 80 percent . Water pressure , greater than oil pressure , could help bring the oil to the surface . Engineers still putting together the 100-ton , 40-foot - tall , brown device . Containment chamber could be in place by end of the week , the official says .