Ensco (ESV +0.5%), the owner of the world's second-largest offshore drilling fleet, contracts an...

|About: Ensco PLC (ESV)|By:, SA News Editor

Ensco (ESV +0.5%), the owner of the world's second-largest offshore drilling fleet, contracts an ultra-deepwater drillship to BP (BP) for five years, adding over $1B to its revenue backlog.