Patents Represented by Attorney, Agent or Law Firm Willliam L. Wang
  • Scale monitor
    Patent number: 6777669
    Abstract: A method of analysing scale at a location in a hydrocarbon well flow system comprises the steps of: using an in situ gamma-ray detector to obtain a gamma-ray spectrum from said scale, and spectroscopically analysing said spectrum to determine the abundances of radioactive isotopes in said scale.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: August 17, 2004
    Assignee: Schlumberger Technology Corporation
    Inventor: John Barry Fitzgerald