Patents by Inventor Douglas B. Finley

Douglas B. Finley 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).

  • Method for determining liquid recovery during a closed-chamber drill stem test
    Patent number: 5092167
    Abstract: Method for determining the volume of fluid produced and other production characteristics from a subterranean formation during a drill stem test based on determining the location of well fluid within the drill stem tubing by measuring the travel time of an acoustic signal reflected from the well fluid.
    Type: Grant
    Filed: January 9, 1991
    Date of Patent: March 3, 1992
    Assignee: Halliburton Company
    Inventors: Douglas B. Finley, Alvey O. Bass