Patents by Inventor Eric Moulin

Eric Moulin 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).

  • Fluid loss control agents and compositions for cementing oil wells comprising said fluid loss control agent
    Patent number: 6180689
    Abstract: The present invention concerns a fluid loss control agent for a petroleum industry (or analogous) cement slurry, comprising a surfactant and a micro-gel obtained by chemical cross-linking of a polyvinyl alcohol. The micro-gel and the surfactant are advantageously compatible with a wide range of petroleum industry cement additives and can also produce compositions which are gas tight.
    Type: Grant
    Filed: October 26, 1999
    Date of Patent: January 30, 2001
    Assignee: Schlumberger Technology Corporation
    Inventor: Eric Moulin