Patents Assigned to PolyOil Limited
  • Patent number: 8875792
    Abstract: The present invention relates to apparatus for retaining at least one umbilical in relation to a string. The apparatus (30) comprises a body (32), first (38) and second members (40) and first (50, 52) and second fasteners. The body and the first member are movable in relation to each other between a first disposition, in which the body and the first member define a first bore (34) between them for accommodating a string, and a second disposition, in which the body and the first member are spaced apart from each other such that the string can be received in or removed from the first bore.
    Type: Grant
    Filed: June 11, 2008
    Date of Patent: November 4, 2014
    Assignee: Polyoil Limited
    Inventors: Calum Whitelaw, Alan Craigie
  • Patent number: 8752633
    Abstract: The present invention relates to protector apparatus (30) for protecting at least one cable (24) during operation of a diverter (28). The protector apparatus (30) comprises at least one protector assembly substantially formed of a plastics material. The protector assembly defines a plurality of bores, a first of the plurality of bores being configured to receive a string (23) and a second of the plurality of bores being configured to receive a cable (24). The protector assembly is further configured to define an external surface with which an operating diverter engages when the protector apparatus is in use and a string is received in the first bore.
    Type: Grant
    Filed: June 2, 2008
    Date of Patent: June 17, 2014
    Assignee: Polyoil Limited
    Inventors: Calum Whitelaw, Alan Craigie, Andrew Hicks
  • Patent number: 8167035
    Abstract: The present invention relates to a method of forming downhole apparatus. The method comprises disposing a plastics material (26) on a reinforcing apparatus (24) to form a body (12) having a bore extending through the body. The reinforcing apparatus (24) provides reinforcement of the plastics material (26) and the thus formed body (12) is configured to provide, when in use, standoff between downhole components, with the reinforcing apparatus being configured to at least one of contract and expand.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: May 1, 2012
    Assignee: PolyOil Limited
    Inventor: Calum Whitelaw
  • Publication number: 20110174494
    Abstract: The present invention relates to protector apparatus (30) for protecting at least one cable (24) during operation of a diverter (28). The protector apparatus (30) comprises at least one protector assembly substantially formed of a plastics material. The protector assembly defines a plurality of bores, a first of the plurality of bores being configured to receive a string (23) and a second of the plurality of bores being configured to receive a cable (24). The protector assembly is further configured to define an external surface with which an operating diverter engages when the protector apparatus is in use and a string is received in the first bore.
    Type: Application
    Filed: June 2, 2008
    Publication date: July 21, 2011
    Applicant: Polyoil Limited
    Inventors: Calum Whitelaw, Alan Craigie, Andrew Hicks
  • Publication number: 20100059218
    Abstract: The present invention relates to a method of forming downhole apparatus. The method comprises disposing a plastics material (26) on a reinforcing apparatus (24) to form a body (12) having a bore extending through the body. The reinforcing apparatus (24) provides reinforcement of the plastics material (26) and the thus formed body (12) is configured to provide, when in use, standoff between downhole components, with the reinforcing apparatus being configured to at least one of contract and expand.
    Type: Application
    Filed: October 31, 2007
    Publication date: March 11, 2010
    Applicant: PolyOil Limited
    Inventor: Calum Whitelaw