Patents by Inventor Joe R. Hastings

Joe R. Hastings 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 performing step rate tests on injection wells
    Patent number: 4523459
    Abstract: In a method for performing a step rate test on an injection well, a portable pumping unit is employed to increase the pressure on the injected water to a predetermined level in order to carry out the step rate test, and the predetermined pressure and flow rate are maintained and controlled by separating a portion of the pressurized water outflow from the portable pump from the main stream thereof, and the separated portion of pressurized water is returned to the water storage tank which feeds the input to the portable pump.
    Type: Grant
    Filed: March 9, 1984
    Date of Patent: June 18, 1985
    Assignee: Atlantic Richfield Company
    Inventor: Joe R. Hastings