1
Gregory G Galloway, David J Brunnert: Drilling with concentric strings of casing. Weatherford Lamb, Moser Patterson & Sheridan L, February 22, 2005: US06857487 (102 worldwide citation)

The present invention provides a method and apparatus for setting concentric casing strings within a wellbore in one run-in of a casing working string. In one aspect of the invention, the apparatus comprises a drilling system comprising concentric casing strings, with each casing string having a dri ...


2
Gregory G Galloway, David J Brunnert: Apparatus and method for drilling with casing. Weatherford Lamb, Moser Patterson & Sheridan L, February 15, 2005: US06854533 (63 worldwide citation)

The present invention generally relates to a method and an apparatus for drilling with casing. In one aspect, a method of drilling a wellbore with casing is provided, including placing a string of casing with a drill bit at the lower end thereof into a previously formed wellbore and urging the strin ...


3
Gregory G Galloway, David J Brunnert: Apparatus and method of drilling with casing. Weatherford Lamb, Moser Patterson & Sheridan, May 31, 2005: US06899186 (49 worldwide citation)

The present invention generally relates to methods for drilling a subsea wellbore and landing a casing mandrel in a subsea wellhead. In one aspect, a method of drilling a subsea wellbore with casing is provided. The method includes placing a string of casing with a drill bit at the lower end thereof ...


4
Richard L Giroux, Gregory G Galloway, Tuong Thanh Le, Raymond H Jackson, Gregory R Nazzal, James C Swarr, David J Brunnert, William M Beasley, Brent J Lirette, Albert C Odell, Jim Terry, Dave McKay, Samir Alkhatib, Mike Wardley: Apparatus and methods for drilling a wellbore using casing. Weatherford Lamb, Patterson & Sheridan, February 26, 2008: US07334650 (41 worldwide citation)

Apparatus and methods for drilling with casing. In an embodiment, methods and apparatus for deflecting casing using a diverter apparatus are disclosed. In another embodiment, the apparatus comprises a motor operating system disposed in a motor system housing, a shaft operatively connected to the mot ...


5
Richard L Giroux, Gregory G Galloway, David J Brunnert, Patrick G Maguire, Tuong Thanh Le, Albert C Odell II, David M Haugen, Frederick T Tilton, Brent J Lirette, Mark Murray, Peter Barnes Moyes: Methods and apparatus for wellbore construction and completion. Weatherford Lamb, Patterson & Sheridan, December 25, 2007: US07311148 (35 worldwide citation)

The present invention relates methods and apparatus for lining a wellbore. In one aspect, a drilling assembly having an earth removal member and a wellbore lining conduit is manipulated to advance into the earth. The drilling assembly includes a first fluid flow path and a second fluid flow path. Fl ...


6
Gregory G Galloway, David J Brunnert: Apparatus and method of drilling with casing. Weatherford Lamb, Patterson & Sheridan L, August 1, 2006: US07083005 (23 worldwide citation)

The present invention generally relates to methods for drilling a subsea wellbore and landing a casing mandrel in a subsea wellhead. In one aspect, a method of drilling a subsea wellbore with casing is provided. The method includes placing a string of casing with a drill bit at the lower end thereof ...


7
Tuong Thanh Le, Richard L Giroux, Albert C Odell, Gary Thompson, Deborah L Banta, Robert P Badrak, Gregory G Galloway, Mark S Fuller: Vibration damper systems for drilling with casing. Weatherford Lamb, Patterson & Sheridan L, August 12, 2008: US07409758 (14 worldwide citation)

Apparatus and methods are provided for reducing drilling vibration during drilling with casing. In one embodiment, an apparatus for reducing vibration of a rotating casing includes a tubular body disposed concentrically around the casing, wherein tubular body is movable relative to the casing. Prefe ...


8
Richard L Giroux, Doug Reid, Albert C Odell II, Gregory G Galloway, Mark J Murray: Deep water drilling with casing. Weatherford Lamb, Patterson & Sheridan, May 10, 2011: US07938201 (11 worldwide citation)

Methods and apparatus are provided to place a conductor pipe and a casing in a subsea environment. In one embodiment, a conductor pipe is jetted or drilled into the subsea floor. Thereafter, a casing drilling assembly comprising a drill casing and a drilling assembly is connected to the drill pipe u ...


9
Richard L Giroux, Gregory G Galloway, Tuong Thanh Le, Raymond H Jackson, Gregory R Nazzal, James C Swarr, David J Brunnert, William M Beasley, Brent J Lirette, Albert C Odell, Jim Terry, Dave McKay, Samir Alkhatib, Mike Wardley: Apparatus and methods for drilling a wellbore using casing. Weatherford Lamb, Patterson & Sheridan L, November 2, 2010: US07823660 (11 worldwide citation)

Apparatus and methods for drilling with casing. In an embodiment, methods and apparatus for deflecting casing using a diverter apparatus are disclosed. In another embodiment, the apparatus comprises a motor operating system disposed in a motor system housing, a shaft operatively connected to the mot ...


10
Richard L Giroux, Gregory G Galloway, Tuong Thanh Le, Raymond H Jackson, Gregory R Nazzal, James C Swarr, David J Brunnert, William M Beasley, Brent J Lirette, Albert C Odell, Jim Terry, Dave McKay, Samir Alkhatib, Mike Wardley: Apparatus and methods for drilling a wellbore using casing. Weatherford Lamb, Patterson & Sheridan, October 25, 2011: US08042616 (7 worldwide citation)

Apparatus and methods for drilling with casing. In an embodiment, methods and apparatus for deflecting casing using a diverter apparatus are disclosed. In another embodiment, the apparatus comprises a motor operating system disposed in a motor system housing, a shaft operatively connected to the mot ...