When the drilling is finished, water, combined with chemicals designed to reduce friction and serve other purposes, is injected from the surface into the well shaft at very high pressures, thereby fracturing the shale rock formations far below, and making it possible to extract economically the natural gas embedded in the shale.
"I knew that if I could keep my serve strong it would make things hard (for Gambill), " said Suzuki, who finished in the quarter-finals in last year's event.