Patents by Inventor Mujeer Ahmed MOHAMMED

Mujeer Ahmed MOHAMMED 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).

  • Packoff for liner deployment assembly
    Patent number: 9650854
    Abstract: A packoff for hanging a liner string from a tubular string cemented in a wellbore includes: a tubular body having an outer groove and an inner groove; an inner seal assembly disposed in the inner groove; an outer seal assembly disposed in the outer groove; a cap connected to an upper end of the body for retaining the seal assemblies; a plurality dogs disposed in respective openings formed through a wall of the body; and a lock sleeve. The lock sleeve is: disposed in the body, longitudinally movable relative to the body, and has a cam profile formed in an outer surface thereof for extending the dogs.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: May 16, 2017
    Assignee: Weatherford Technology Holdings, LLC
    Inventors: Kannan Devarajan, Muhammad Saleem Pervez, George Givens, Alexis Takotue, Mujeer Ahmed Mohammed
  • PACKOFF FOR LINER DEPLOYMENT ASSEMBLY
    Publication number: 20140352944
    Abstract: A packoff for hanging a liner string from a tubular string cemented in a wellbore includes: a tubular body having an outer groove and an inner groove; an inner seal assembly disposed in the inner groove; an outer seal assembly disposed in the outer groove; a cap connected to an upper end of the body for retaining the seal assemblies; a plurality dogs disposed in respective openings formed through a wall of the body; and a lock sleeve. The lock sleeve is: disposed in the body, longitudinally movable relative to the body, and has a cam profile formed in an outer surface thereof for extending the dogs.
    Type: Application
    Filed: May 28, 2013
    Publication date: December 4, 2014
    Applicant: Weatherford/Lamb, Inc.
    Inventors: Kannan DEVARAJAN, Muhammad Saleem PERVEZ, George GIVENS, Alexis TAKOTUE, Mujeer Ahmed MOHAMMED