Patents by Inventor Robert L. Crow

Robert L. Crow 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).

  • Apparatus and method for gravel packing an interval of a wellbore
    Patent number: 6702018
    Abstract: An apparatus and method for gravel packing an interval of a wellbore comprises an outer tubular (110), which forms a first annulus with the wellbore, and an inner tubular (114) disposed within the outer tubular (110) forming a second annulus therebetween. Within the second annulus is an axially extending production pathway (190) and an axially extending slurry passageway (194), which is defined between a channel (170) and the inner tubular (114). The outer tubular (110) has outlets (128) that are substantially aligned with outlets (178) of the channel (170). The portions of both the outer and inner tubulars (110, 114) adjacent the production pathway (190) have openings (122, 146). When a fluid slurry containing gravel is injected through the slurry passageway (194), the fluid slurry exits through the outlets (178, 128) leaving gravel in the first annulus, thereby gravel packing the interval.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: March 9, 2004
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Ronald W. McGregor, Travis T. Hailey, William David Henderson, Robert L. Crow, Philip D. Nguyen
  • Apparatus and method for gravel packing an interval of a wellbore
    Publication number: 20020125007
    Abstract: An apparatus and method for gravel packing an interval of a wellbore comprises an outer tubular (110), which forms a first annulus with the wellbore, and an inner tubular (114) disposed within the outer tubular (110) forming a second annulus therebetween. Within the second annulus is an axially extending production pathway (190) and an axially extending slurry passageway (194), which is defined between a channel (170) and the inner tubular (114). The outer tubular (110) has outlets (128) that are substantially aligned with outlets (178) of the channel (170). The portions of both the outer and inner tubulars (110, 114) adjacent the production pathway (190) have openings (122, 146). When a fluid slurry containing gravel is injected through the slurry passageway (194), the fluid slurry exits through the outlets (178, 128) leaving gravel in the first annulus, thereby gravel packing the interval.
    Type: Application
    Filed: August 10, 2001
    Publication date: September 12, 2002
    Inventors: Ronald W. McGregor, Travis T. Hailey, William David Henderson, Robert L. Crow, Philip D. Nguyen