Patents by Inventor Lloyd Murray Dallas

Lloyd Murray Dallas 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).

  • Patent number: 9644463
    Abstract: Long lateral wellbores are prepared for the production of hydrocarbons by preparing only a portion of the wellbore for production at a time, starting at a remote end of the long lateral wellbore. The prepared production section is produced until production becomes uneconomic before a further production section is prepared and produced.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: May 9, 2017
    Inventor: Lloyd Murray Dallas
  • Publication number: 20170107805
    Abstract: Enhanced oil recovery is practiced in long lateral welfares by drilling at least one of a sidetrack lateral wellborn end a branch lateral wellbore from the main lateral wellborn. After production of the sidetrack lateral wellbore or the branch lateral wellborn, EOR flood fluid is pumped info the at least one of the sidetrack lateral wellborn and the branch lateral wellborn and recovered hydrocarbons and EOR flood fluid are produced from the main lateral wellborn or vice versa.
    Type: Application
    Filed: October 20, 2015
    Publication date: April 20, 2017
    Inventor: Lloyd Murray Dallas
  • Publication number: 20170051594
    Abstract: Long lateral wellbores are prepared for the production of hydrocarbons by preparing only a portion of the wellbore for production at a time, starting at a remote end of the long lateral wellbore. The prepared production section is produced until production becomes uneconomic before a further production section is prepared and produced.
    Type: Application
    Filed: August 17, 2015
    Publication date: February 23, 2017
    Inventor: Lloyd Murray Dallas
  • Patent number: 9493993
    Abstract: A work string for completing long lateral well bores is assembled using small diameter drill pipe having a nigh make-up torque for a curved section and lateral bore of a well. A larger diameter drill pipe is used in the vertical section of the well to facilitate pushing the small diameter drill pipe through the long lateral bore.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: November 15, 2016
    Assignee: PTECH DRILLING TUBULARS LLC
    Inventors: Lloyd Murray Dallas, Nels Peter Wickander