Patents by Inventor David A. Baker

David A. Baker 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: 11555381
    Abstract: A method of conveying a production fluid from an offshore subsea well to an offshore vessel includes deploying an inflatable bladder from the offshore vessel, the inflatable bladder including a bladder valve, and fluidly connecting the inflatable bladder to an offloading port positioned at a seafloor, wherein the offloading port includes a port valve and is in fluid communication with one or more subterranean hydrocarbon-bearing formations. The method further includes opening the bladder and port valves to discharge the production fluid from the offloading port into the inflatable bladder, and thereby resulting in a substantially filled bladder, closing the bladder and port valves, and fluidly disconnecting the substantially filled bladder from the offloading port.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: January 17, 2023
    Assignee: ExxonMobil Upstream Research Company
    Inventors: Deborah J. Davis, Sushil K. Mandot, David A. Baker, Zhen Li, Brian J. Fielding
  • Publication number: 20220243565
    Abstract: A method of conveying a production fluid from an offshore subsea well to an offshore vessel includes deploying an inflatable bladder from the offshore vessel, the inflatable bladder including a bladder valve, and fluidly connecting the inflatable bladder to an offloading port positioned at a seafloor, wherein the offloading port includes a port valve and is in fluid communication with one or more subterranean hydrocarbon-bearing formations. The method further includes opening the bladder and port valves to discharge the production fluid from the offloading port into the inflatable bladder, and thereby resulting in a substantially filled bladder, closing the bladder and port valves, and fluidly disconnecting the substantially filled bladder from the offloading port.
    Type: Application
    Filed: January 10, 2022
    Publication date: August 4, 2022
    Inventors: Deborah J. Davis, Sushil K. Mandot, David A. Baker, Zhen Li, Brian J. Fielding
  • Patent number: 10400936
    Abstract: Conduit system for conveying fluids is described. The conduit system comprises a conduit, a tubular, and a sealing component. The tubular is positioned radially interior of an inner surface of the conduit along a length. The tubular comprises a polymeric material. The sealing component is positioned proximate the distal end of the tubular in an annulus formed between an outer surface of the tubular and the inner surface of the conduit, the sealing component constructed and arranged to seal the annulus. Methods for reducing corrosion of or providing pressure integrity to a conduit are also described.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: September 3, 2019
    Assignee: ExxonMobil Upstream Research Company
    Inventors: Venkat R. Krishnan, Neerav Verma, Astrid-Cecilie Alveid Haarseth, Timothy D. Anderson, David A. Baker, Stefanie L. Asher
  • Publication number: 20180283597
    Abstract: Conduit system for conveying fluids is described. The conduit system comprises a conduit, a tubular, and a sealing component. The tubular is positioned radially interior of an inner surface of the conduit along a length. The tubular comprises a polymeric material. The sealing component is positioned proximate the distal end of the tubular in an annulus formed between an outer surface of the tubular and the inner surface of the conduit, the sealing component constructed and arranged to seal the annulus. Methods for reducing corrosion of or providing pressure integrity to a conduit are also described.
    Type: Application
    Filed: March 8, 2018
    Publication date: October 4, 2018
    Inventors: Venkat R. Krishnan, Neerav Verma, Astrid-Cecilie Alveid Haarseth, Timothy D. Anderson, David A. Baker, Stefanie L. Asher
  • Patent number: 9631437
    Abstract: Systems and methods for managing pressures present in an annular space defined between casing strings contained within a subterranean well. These systems and methods may include providing a pressure distribution casing that includes a plurality of pressure distribution passages and distributing fluids present within the annular space along a length of the pressure distribution casing and/or between the annular space and the subterranean formation using a portion of the plurality of pressure distribution passages. Pressure distribution passages may be present on an inner surface of the pressure distribution casing, on an outer surface of the pressure distribution casing, and/or within a wall of the pressure distribution casing and may distribute the fluids along the length of the pressure distribution casing without distributing the fluids across and/or through a wall of the pressure distribution casing, such as between the inner surface and the outer surface of the pressure distribution casing.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: April 25, 2017
    Assignee: ExxonMobil Upstream Research Company
    Inventors: Bruce A. Dale, David A. Baker, Michael S. Chelf, Charles S. Yeh
  • Patent number: 9624750
    Abstract: A bridge plug arrangement includes a plug having an upper end and a bottom end. The bridge plug arrangement also optionally includes a cylindrical seat. The bridge plug arrangement further includes a tubular member. The tubular member may be part of a casing string. The tubular member is configured to receive the plug and, when used, the seat. The plug and/or the seat may be fabricated from a frangible material. Also disclosed is a method for diverting fluids in a wellbore using the bridge plug arrangement. The method may include landing the plug onto the seat within the wellbore below a subsurface zone of interest. Treatment fluids are then injected into the wellbore, where they are diverted through perforations and into a formation. The plug and/or seat is then optionally broken into a plurality of pieces through use of a downward mechanical force.
    Type: Grant
    Filed: April 13, 2010
    Date of Patent: April 18, 2017
    Assignees: EXXONMOBIL UPSTREAM RESEARCH COMPANY, RASGAS COMPANY LIMITED
    Inventors: Pavlin B. Entchev, William A. Sorem, Zhihua Wang, David A. Baker, John K. Montgomery, Larry Mercer, Dennis H. Petrie
  • Patent number: 9187965
    Abstract: A method associated with the selection of tubulars for hydrocarbon production is described based upon evaluating the performance limits of threaded connections. Constituents of an evaluation group of threaded connections are determined and then a first group of the connections is evaluated via model analysis over a range of conditions. Then, physical testing on a first group of threaded connections in the evaluation group is conducted over that range of conditions. Once modeled, the results from the physical testing and the modeling analysis of the first group are compared to assess a characteristic performance factor for the first group. A second group of threaded connections are determined and the assessed performance factor from the first group is applied to a second group, and the performance limits of the second group are defined over the range of conditions based on this characteristic performance factor, without requiring testing the second group.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: November 17, 2015
    Assignee: ExxonMobil Upstream Research Company
    Inventors: A. S. David Khemakhem, Mark W. Biegler, David A. Baker, Jason A. Burdette, Bruce A. Dale, John W. Mohr, Ismail Ceyhan, James Powers, James H. Myers, Marcus Asmann
  • Patent number: 9133141
    Abstract: The present invention provides cysteine and cystine bioisosteres for the treatment of schizophrenia and drug addiction. The invention further encompasses pharmaceutical compositions containing such bioisosteres and methods of using the bioisosteres for treatment of schizophrenia and drug addiction.
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: September 15, 2015
    Assignees: Marquette University, UWM Research Foundation, Inc.
    Inventors: James M. Cook, David A. Baker, Edward Merle Johnson, II, Wenyuan Yin, Ranjit Singh Verma
  • Publication number: 20150175559
    Abstract: The present invention discloses cysteine prodrugs having the general formula: cystine dimmers of the cysteine prodrugs having the general formula: protected cysteine analogs having the general formula: and dimmers of the protected cysteine analogs having the general formula: The invention further encompasses pharmaceutical compositions containing the disclosed prodrugs, dimmers, analogs, and methods of using such compounds for treatment of schizophrenia and drug addiction.
    Type: Application
    Filed: February 20, 2015
    Publication date: June 25, 2015
    Applicants: Marquette University, UWM Research Foundation, Inc.
    Inventors: James M. Cook, David A. Baker, Wenyuan Yin, Edward M. Johnson, II
  • Patent number: 8962692
    Abstract: The present invention discloses cysteine prodrugs having the general formula: cystine dimers of the cysteine prodrugs having the general formula: protected cysteine analogs having the general formula: and dimers of the protected cysteine analogs having the general formula: The invention further encompasses pharmaceutical compositions containing the disclosed prodrugs, dimers, and analogs, and methods of using such compounds for treatment of schizophrenia and drug addiction.
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: February 24, 2015
    Assignees: Marquette University, UWM Research Foundation, Inc.
    Inventors: James M. Cook, David A. Baker, Wenyuan Yin, Edward Merle Johnson, II
  • Patent number: 8812175
    Abstract: An orientation-based wireless sensor includes a transmitter unit having a body housing a microprocessor, a transmitter, and an accelerometer for detecting the orientation of the transmitter unit relative to one-, two- or three-axis of the direction of the pull of earth's gravity. The transmitter body is mounted on a feature of a vehicle that it is desirable to monitor. The transmitter will transmit orientation data at predetermined time intervals to a receiver on the vehicle, which will in turn process the information, adding additional information, such as GPS location, and wirelessly send the data to a database that is available to a customer over the Internet.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: August 19, 2014
    Assignee: Lat-Lon, LLC
    Inventor: David A. Baker
  • Publication number: 20140155440
    Abstract: The present invention provides cysteine and cystine bioisosteres for the treatment of schizophrenia and drug addiction. The invention further encompasses pharmaceutical compositions containing such bioisosteres and methods of using the bioisosteres for treatment of schizophrenia and drug addiction.
    Type: Application
    Filed: January 7, 2014
    Publication date: June 5, 2014
    Applicants: MARQUETTE UNIVERSITY, UWM RESEARCH FOUNDATION, INC.
    Inventors: James M. Cook, David A. Baker, Edward Merle Johnson, II, Wenyuan Yin, Ranjit Singh Verma
  • Publication number: 20140041864
    Abstract: A method associated with the selection of tubulars for hydrocarbon production is described based upon evaluating the performance limits of threaded connections. Constituents of an evaluation group of threaded connections are determined and then a first group of the connections is evaluated via model analysis over a range of conditions. Then, physical testing on a first group of threaded connections in the evaluation group is conducted over that range of conditions. Once modeled, the results from the physical testing and the modeling analysis of the first group are compared to assess a characteristic performance factor for the first group. A second group of threaded connections are determined and the assessed performance factor from the first group is applied to a second group, and the performance limits of the second group are defined over the range of conditions based on this characteristic performance factor, without requiring testing the second group.
    Type: Application
    Filed: October 17, 2013
    Publication date: February 13, 2014
    Inventors: A.S. David Khemakhem, Mark W. Biegler, David A. Baker, Jason A. Burdette, Bruce A. Dale, John W. Mohr, Ismail Ceyhan, James Powers, James H. Myers, Marcus Asmann
  • Publication number: 20130338165
    Abstract: Methods of treating Parkinson's Disease comprising administering compounds that up-regulate cystine-glutamate exchange (system Xc?) and/or increase glutathione levels in the brain cells. Preferred compounds are cysteine/cystine prodrugs or N-acetyl cysteine (NAC) prodrugs.
    Type: Application
    Filed: June 17, 2013
    Publication date: December 19, 2013
    Inventors: David A. Baker, Daniel G. Lawton, Chad Beyer, Michael Neary
  • Patent number: 8590641
    Abstract: A method associated with the selection of tubulars for hydrocarbon production is described. In particular, the method is associated with the evaluation of performance limits of threaded connections. In this method, constituents of an evaluation group of threaded connections are determined via model analysis. Then, physical testing on a first group of threaded connections in the evaluation group is conducted. Modeling analysis on the first group and a second group of threaded connections is performed, wherein the second group are not physically tested. Once modeled, the results from the physical testing and the modeling analysis are compared to assess a characteristic performance factor for the first group. Then, the characteristic performance factor is applied to the second group, and the performance limits are defined based on this characteristic performance factor.
    Type: Grant
    Filed: November 20, 2006
    Date of Patent: November 26, 2013
    Assignee: ExxonMobil Upstream Research Company
    Inventors: A. S. David Khemakhem, Mark W. Biegler, David A. Baker, Jason A. Burdette, Bruce A. Dale, John W. Mohr, Ismail Ceyhan, James Powers, James H. Myers, Marcus Asmann
  • Publication number: 20130299180
    Abstract: Systems and methods for managing pressures present in an annular space defined between casing strings contained within a subterranean well. These systems and methods may include providing a pressure distribution casing that includes a plurality of pressure distribution passages and distributing fluids present within the annular space along a length of the pressure distribution casing and/or between the annular space and the subterranean formation using a portion of the plurality of pressure distribution passages. Pressure distribution passages may be present on an inner surface of the pressure distribution casing, on an outer surface of the pressure distribution casing, and/or within a wall of the pressure distribution casing and may distribute the fluids along the length of the pressure distribution casing without distributing the fluids across and/or through a wall of the pressure distribution casing, such as between the inner surface and the outer surface of the pressure distribution casing.
    Type: Application
    Filed: December 6, 2011
    Publication date: November 14, 2013
    Inventors: Bruce A. Dale, David A. Baker, Michael S. Chelf, Charles S. Yeh
  • Patent number: 8435997
    Abstract: The present invention provides cysteine prodrugs for the treatment of schizophrenia and drug addiction. The invention further encompasses pharmaceutical compositions containing prodrugs and methods of using the prodrugs and compositions for treatment of schizophrenia and drug addiction.
    Type: Grant
    Filed: October 4, 2010
    Date of Patent: May 7, 2013
    Assignees: Marquette University, UWM Research Foundation, Inc.
    Inventors: James M. Cook, Edward Merle Johnson, II, David A. Baker, Wenyuan Yin
  • Publication number: 20120310443
    Abstract: An orientation-based wireless sensor includes a transmitter unit having a body housing a microprocessor, a transmitter, and an accelerometer for detecting the orientation of the transmitter unit relative to one-, two- or three-axis of the direction of the pull of earth's gravity. The transmitter body is mounted on a feature of a vehicle that it is desirable to monitor.
    Type: Application
    Filed: August 14, 2012
    Publication date: December 6, 2012
    Applicant: LAT-LON, LLC.
    Inventor: David A. Baker
  • Publication number: 20120220596
    Abstract: The present invention provides cysteine and cystine prodrugs for the treatment of schizophrenia and drug addiction. The invention further encompasses pharmaceutical compositions containing prodrugs and methods of using the prodrugs and compositions for treatment of schizophrenia and drug addiction.
    Type: Application
    Filed: May 7, 2012
    Publication date: August 30, 2012
    Applicants: UWM RESEARCH FOUNDATION, INC., MARQUETTE UNIVERSITY
    Inventors: James M. Cook, David A. Baker, Wenyuan Yin, Edward Merle Johnson, II
  • Patent number: 8244411
    Abstract: An orientation-based wireless sensor includes a transmitter unit having a body housing a microprocessor, a transmitter, and an accelerometer for detecting the orientation of the transmitter unit relative to one-, two- or three-axis of the direction of the pull of earth's gravity. The transmitter body is mounted on a feature of a vehicle that it is desirable to monitor. The transmitter will transmit orientation data at predetermined time intervals to a receiver on the vehicle, which will in turn process the information, adding additional information, such as GPS location, and wirelessly send the data to a database that is available to a customer over the Internet.
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: August 14, 2012
    Inventor: David A. Baker