Patents Represented by Attorney Bob Nisbett

Find this attorney in the Justia Lawyer Directory

  • Scavenging hydrogen sulfide in an oil well
    Patent number: 4252655
    Abstract: Fluids for drilling, completing or servicing wells are treated for the removal or inactivation of hydrogen sulfide contamination by the addition of at least one organic zinc chelate.
    Type: Grant
    Filed: April 17, 1978
    Date of Patent: February 24, 1981
    Assignee: Halliburton Company
    Inventor: Leroy L. Carney