Patents Assigned to General Oil Tools, LP
  • Method and Apparatus to Complete a Well Having Tubing Inserted Through a Valve
    Publication number: 20060169459
    Abstract: A method and apparatus for inserting a small diameter continuous hydraulic conduit or capillary tube down a well bore is presented. The methods and apparatus allow either the injection of chemicals to enhance production of oil and gas, or to provide a conduit for production up through the small diameter tubing in marginal wells, into a hanger below a well valve to permit its removal from below the valve if the valve should be required to be closed and its reinsertion without pulling the tubing from the well bore.
    Type: Application
    Filed: March 23, 2006
    Publication date: August 3, 2006
    Applicant: General Oil Tools, LP
    Inventors: David Smith, Gary Harkins, Brent Shanley
  • Method and apparatus to complete a well having tubing inserted through a valve
    Patent number: 7082996
    Abstract: A method and apparatus for inserting a small diameter continuous hydraulic conduit or capillary tube down a well bore is presented. The methods and apparatus allow either the injection of chemicals to enhance production of oil and gas, or to provide a conduit for production up through the small diameter tubing in marginal wells, into a hanger below a well valve to permit its removal from below the valve if the valve should be required to be closed and its reinsertion without pulling the tubing from the well bore.
    Type: Grant
    Filed: February 25, 2004
    Date of Patent: August 1, 2006
    Assignee: General Oil Tools, LP
    Inventors: David Randolph Smith, Gary O. Harkins, Brent Shanley