Patents Represented by Attorney Christophe Macquet

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  • Hydrogen sulphide detection method and apparatus
    Patent number: 6939717
    Abstract: Described is a downhole method and apparatus for detecting hydrogen sulphide in formation fluids produced in a hydrocarbon well. The sensor system is located within or in communication with an extraction chamber used to extract hydrogen sulphide in a gaseous state from the formation fluid and preferably equipped with renewable sensing elements.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: September 6, 2005
    Assignee: Schlumberger Technology Corporation
    Inventors: Li Jiang, Timothy Gareth John Jones, Oliver Clinton Mullins, Xu Wu