Patents Assigned to Balmoral Group Ltd.
  • Macrospheres for dual gradient drilling
    Publication number: 20030130134
    Abstract: A method of preparing a pressure resistant sphere comprising the steps of
    Type: Application
    Filed: February 1, 2002
    Publication date: July 10, 2003
    Applicant: Balmoral Group Ltd
    Inventor: Robert Kenneth Oram
  • Subsea buoy
    Patent number: 6537118
    Abstract: A subsea buoy for use in maneuvering a submerged object, the buoy comprising a buoyant body, a first frangible link for securing said buoy to the object, means for rupturing said first frangible link, a drogue secured to said buoyant body by a second frangible link and by means allowing said drogue to move on rupture of said second frangible link from a first configuration to a second configuration, where said drogue is spaced apart from said buoyant body, and a third frangible link extending between the object and said drogue.
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: March 25, 2003
    Assignee: Balmoral Group Ltd.
    Inventor: Robert McAlpine
  • Subsea buoy
    Publication number: 20020072283
    Abstract: A subsea buoy for use in manoeuvring a submerged object, the buoy comprising
    Type: Application
    Filed: November 6, 2001
    Publication date: June 13, 2002
    Applicant: Balmoral Group Ltd.
    Inventor: Robert McAlpine
  • Buoyancy material
    Patent number: 5973031
    Abstract: A buoyancy material comprising:i. a matrix obtainable by reacting a dispersion of polyester precursor in water with a catalyst; andii. at least one density reducing agent selected from the group consisting of gas bubbles, microspheres and macrospheres dispersed in the matrix.
    Type: Grant
    Filed: June 13, 1997
    Date of Patent: October 26, 1999
    Assignee: Balmoral Group Ltd
    Inventor: Robert K Oram