Baker Hughes Corporation

Baker Hughes Holdings LLC

Carl C Clemmensen

Sascha Schwartze

Ingo Roders

Morten Eidem

Thorsten Regener

Gaute Grindhaug

Trond R Skar

Tore Sorheim

Ole Petter Nipen

Corinna Schwartze

In one aspect, an apparatus for use in a wellbore is disclosed that in one non-limiting embodiment includes a plurality of cutters, each cutter having expandable cutting elements, a control unit associated with each cutter to expand the cutting elements of its associated cutter and a controller that controls each of the control units to independently activate and deactivate each cutter in the plurality of cutters to expand the cutting elements of each such cutter.

Downhole tools with independently-operated cutters and methods of milling long sections of a casing therewith

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.

Apparatus and method for drilling a wellbore, setting a liner and cementing the wellbore during a single trip

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Bergen, Norway

Carl C Clemmensen