Patents by Inventor Anne Fosse

Anne Fosse 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).

  • Biodegradable additive suitable for use in wellbore fluids
    Patent number: 10745607
    Abstract: A wellbore fluid comprising an aqueous base fluid and a plurality of particles of a polyhydroxyalkanoate latex polymer having the formula: [—O—CHR—(CH2)m—CO—]n, wherein m is a value ranging from 1 to 10 and n is a value equal to or less than 20000.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: August 18, 2020
    Assignee: Schlumberger Norge AS
    Inventors: Anders Grinrod, Beathe Pettersen, Anne Fosse
  • Biodegradable Additive Suitable for Use in Wellbore Fluids
    Publication number: 20180037802
    Abstract: A wellbore fluid comprising an aqueous base fluid and a plurality of particles of a polyhydroxyalkanoate latex polymer having the formula: [—O—CHR—(CH2)m—CO—]n, wherein m is a value ranging from 1 to 10 and n is a value equal to or less than 20000.
    Type: Application
    Filed: August 2, 2017
    Publication date: February 8, 2018
    Inventors: Anders Grinrod, Beathe Pettersen, Anne Fosse