APPARATUS AND METHOD FOR DRILLNG A WELLBORE, SETTING A LINER AND CEMENTING THE WELLBORE DURING A SINGLE TRIP

摘要

A method of forming a wellbore is disclosed. An inner string and an outer string are conveyed downhole. The inner string is attached to the outer string at a first location and the wellbore is formed. The inner stringy is attached to the outer string at a second location us hole of the first location and an annulus between the outer string and the wellbore is cemented without retrieving the inner string from the wellbore.