Patents by Inventor Colin P. Andrew

Colin P. Andrew has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10358892
    Abstract: Salt or acid solution is stored inside a frac sleeve instead of being pumped from a surface location. A mechanically-actuated valve releases the stored salt or acid solution into the borehole to electrochemically degrade the frac ball and allow it to pass through the seat. The stored fluid can be immediately released upon mechanical actuation or released after a specified delay using an integrated timer. In multiple sleeve applications a first ball shifts a first sleeve to open treatment ports and a second ball shifts a second sleeve to close the treatment port and open screened production ports while releasing the stored material either between the seated objects or above one of the seated objects to initiate the disintegration that will allow objects on both seats to disintegrate and pass through.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: July 23, 2019
    Assignee: BAKER HUGHES, A GE COMPANY, LLC
    Inventors: John K. Wakefield, Zachary S. Leonard, Colin P. Andrew, Matthew Stone
  • Patent number: 10215019
    Abstract: A method of completing a wellbore system that includes a main wellbore and a lateral wellbore intersecting the main wellbore at a junction is disclosed, wherein in one embodiment the method includes placing a first outer assembly below the junction in the main wellbore and placing a second outer assembly below the junction in the lateral wellbore; placing a first inner assembly in the second outer assembly with a top end thereof below the junction, the top end of the first inner assembly including a first wet connect associated with at least one link in the first inner assembly; and connecting a second wet connect of a string with the first wet connect with a top end of the string having a third wet connect corresponding to the at least one link above the junction in the main wellbore.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: February 26, 2019
    Assignee: BAKER HUGHES, A GE COMPANY, LLC
    Inventors: Carl S. Martin, Colin P. Andrew, Michael H. Johnson, Joshua J. Kaufman, Luis E. Mendez, David E. Schneider, Bryan P. Pendleton
  • Publication number: 20190032447
    Abstract: Salt or acid solution is stored inside a frac sleeve instead of being pumped from a surface location. A mechanically-actuated valve releases the stored salt or acid solution into the borehole to electrochemically degrade the frac ball and allow it to pass through the seat. The stored fluid can be immediately released upon mechanical actuation or released after a specified delay using an integrated timer. In multiple sleeve applications a first ball shifts a first sleeve to open treatment ports and a second ball shifts a second sleeve to close the treatment port and open screened production ports while releasing the stored material either between the seated objects or above one of the seated objects to initiate the disintegration that will allow objects on both seats to disintegrate and pass through.
    Type: Application
    Filed: July 25, 2017
    Publication date: January 31, 2019
    Applicant: Baker Hughes, a GE company, LLC
    Inventors: John K. Wakefield, Zachary S. Leonard, Colin P. Andrew, Matthew Stone
  • Patent number: 9915126
    Abstract: A dual barrier system withstands pressure differentials well above those of the check valves in a float shoe used to allow circulation of a bottom hole assembly on the way to a desired depth. The bottom hole assembly can have screens and an internal wash pipe that pushes a sleeve to hold open a lower flapper for running in. The wash pipe also holds open an upper flapper that has opposed orientation to facilitate circulation when running in. Once on location an annulus packer closes off the producing zones where the screens are located from a lower zone that can have higher pressures. A high pressure packer is set against the shoe track and the wash pipe is retracted through this packer. Retracting the wash pipe allows closure of both flappers. Flow is blocked in opposed directions by the flappers and packer in the shoe track.
    Type: Grant
    Filed: June 9, 2015
    Date of Patent: March 13, 2018
    Assignee: Baker Hughes, a GE company, LLC
    Inventors: Colin P. Andrew, Douglas J. Lehr
  • Publication number: 20170284191
    Abstract: A method of completing a wellbore system that includes a main wellbore and a lateral wellbore intersecting the main wellbore at a junction is disclosed, wherein in one embodiment the method includes placing a first outer assembly below the junction in the main wellbore and placing a second outer assembly below the junction in the lateral wellbore; placing a first inner assembly in the second outer assembly with a top end thereof below the junction, the top end of the first inner assembly including a first wet connect associated with at least one link in the first inner assembly; and connecting a second wet connect of a string with the first wet connect with a top end of the string having a third wet connect corresponding to the at least one link above the junction in the main wellbore.
    Type: Application
    Filed: April 4, 2016
    Publication date: October 5, 2017
    Inventors: Carl S. Martin, Colin P. Andrew, Michael H. Johnson, Joshua J. Kaufman, Luis E. Mendez, David E. Schneider, Bryan P. Pendleton
  • Publication number: 20170275969
    Abstract: A ported sub integrates a seat for an object to land on to allow pressure buildup. A sleeve shifts with the ball and the seat to open ports that are screened. The openings feature hardened inserts to control wear from high velocity fluid. The interval is treated through such openings with treatment fluid that is relatively free of solids. The formation is produced through the same screened inserts that were used for treating. The sleeve can be releasably retained in the ports open position and can optionally be closed with well intervention such as with a shifting tool. The object can pass through the seat after sleeve shifting by disintegration or by using a segmented seat that opens enough to allow the object to pass. An array can be spaced throughout the zone for treating or fracturing and the sleeves shifted bottom up using different or same sized balls.
    Type: Application
    Filed: March 24, 2016
    Publication date: September 28, 2017
    Applicant: BAKER HUGHES INCORPORATED
    Inventor: Colin P. Andrew
  • Publication number: 20160362961
    Abstract: A dual barrier system is provided to withstand pressure differentials well above those of the check valves in a float shoe used to allow circulation of a bottom hole assembly on the way to a desired depth. The bottom hole assembly can have screens and an internal wash pipe that pushes a sleeve to hold open a lower flapper for running in. The wash pipe also holds open an upper flapper that has opposed orientation to facilitate circulation when running in. Once on location an annulus packer closes off the producing zones where the screens are located from a lower zone that can have higher pressures. A high pressure packer is set against the shoe track and the wash pipe is retracted through this packer. Retracting the wash pipe allows closure of both flappers. Flow is blocked in opposed directions by the flappers and packer in the shoe track.
    Type: Application
    Filed: June 9, 2015
    Publication date: December 15, 2016
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Colin P. Andrew, Douglas J. Lehr
  • Patent number: 9512701
    Abstract: A flow control device is disclosed. The device includes a tubular member having a plurality adjacent wraps, wherein each wrap has an outer surface and an inner surface. Some of the wraps include one or more flow control paths, wherein each such flow control path includes a tortuous path to control flow of a fluid from the outer surface to the inner surface.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: December 6, 2016
    Assignee: BAKER HUGHES INCORPORATED
    Inventors: Darin H. Duphorne, Colin P. Andrew
  • Patent number: 9033046
    Abstract: A multi-zone fracturing and sand control completion system employable in a borehole. The system includes a casing. A fracturing assembly including a fracturing telescoping unit extendable from the casing to the borehole and a frac sleeve movable within the casing to access or block the fracturing telescoping unit; and, an opening in the casing. The opening including a dissolvable plugging material capable of maintaining frac pressure in the casing during a fracturing operation through the telescoping unit. Also included is a method of operating within a borehole.
    Type: Grant
    Filed: October 10, 2012
    Date of Patent: May 19, 2015
    Assignee: Baker Hughes Incorporated
    Inventors: Colin P. Andrew, Bradley G. Baker, Michael H. Johnson
  • Publication number: 20150013980
    Abstract: A flow control device is disclosed. The device includes a tubular member having a plurality adjacent wraps, wherein each wrap has an outer surface and an inner surface. Some of the wraps include one or more flow control paths, wherein each such flow control path includes a tortuous path to control flow of a fluid from the outer surface to the inner surface.
    Type: Application
    Filed: July 12, 2013
    Publication date: January 15, 2015
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Darin H. Duphorne, Colin P. Andrew
  • Publication number: 20140096970
    Abstract: A multi-zone fracturing and sand control completion system employable in a borehole. The system includes a casing. A fracturing assembly including a fracturing telescoping unit extendable from the casing to the borehole and a frac sleeve movable within the casing to access or block the fracturing telescoping unit; and, an opening in the casing. The opening including a dissolvable plugging material capable of maintaining frac pressure in the casing during a fracturing operation through the telescoping unit. Also included is a method of operating within a borehole.
    Type: Application
    Filed: October 10, 2012
    Publication date: April 10, 2014
    Applicant: Baker Hughes Incorporated
    Inventors: Colin P. Andrew, Bradley G. Baker, Michael H. Johnson