Hess Corporation, yesterday, informed about its ninth oil discovery in Guyana. Oil was discovered in the Hammerhead-1 well, offshore Guyana. This is fifth in the line of oil discoveries made by Hess in the past year. High-quality, oil-bearing sandstone reservoir was encountered in the Hammerhead-1 well at 60 meters of drilling. The well was then carefully bored till 4,225 meters depth.