Patent ID: 8186455
Filing Date: 2012-05-29
Classification: E21B

Abstract:
1. A system for drilling, said system comprising: a drilling deck; a drilling structure disposed with said drilling deck; a primary tubular advancing station having a well center and disposed with said drilling structure for advancing a first tubular to said well center; an auxiliary tubular handling station for handling a second tubular; said drilling deck having a preparation hole positioned with said auxiliary tubular handling station for receiving a portion of the second tubular; an auxiliary tubular handling device for positioning the second tubular in a substantially vertical position above said preparation hole; an auxiliary tubular racking station above said auxiliary tubular handling station for holding the second tubular from said auxiliary tubular handling station, wherein the second tubular is positioned in a substantially vertical position above said preparation hole or held in said auxiliary tubular racking station while the first tubular is independently and simultaneously advanced through said primary tubular advancing station to said well center; and a bridge racker crane configured to move the second tubular between said auxiliary tubular racking station and said well center, wherein said auxiliary tubular handling device configured to directly position the second tubular with said auxiliary tubular racking station.