top kill


noun

a technique in which a heavy fluid, usually drilling mud, is pumped into a leaking oil well to stop the flow of oil: The top kill is underway, but success remains uncertain as engineers desperately pump mud into the damaged blowout preventer.

British Dictionary definitions for top kill

top kill

noun

a procedure used by oil companies to attempt to plug a leaking well, by pumping heavy drilling fluids into the well before sealing it with concrete