Patents by Inventor Allyn Pratt

Allyn Pratt 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).

  • Universal initiator and packaging
    Patent number: 11377935
    Abstract: A wellbore perforating system including a multi-component universal initiator. The universal initiator is a “plug and play” initiator able to accommodate a wide range of perforating gun system.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: July 5, 2022
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: David Austin, II, Kenneth Goodman, Allyn Pratt, Pedro Alejandro Hernandez Lopez, Joseph George
  • UNIVERSAL INITIATOR AND PACKAGING
    Publication number: 20190292887
    Abstract: A wellbore perforating system including a multi-component universal initiator. The universal initiator is a “plug and play” initiator able to accommodate a wide range of perforating gun system.
    Type: Application
    Filed: June 28, 2018
    Publication date: September 26, 2019
    Inventors: David Austin, II, Kenneth Goodman, Allyn Pratt, Pedro Alejandro Hernandez Lopez, Joseph George
  • Lubricator valve
    Patent number: 8151887
    Abstract: A lubricator valve assembly adapted for connection in a pipe string for use in a well includes a tubular valve body having a bore formed longitudinally therethrough; a valve seat connected to the valve body and in communication with the bore; a valve element mounted in the bore and rotatable with respect to the valve seat between positions opening and closing the bore; an operator in connection between the valve element and a hydraulic control system, the operator moving the valve element between the open and close bore positions in response to the hydraulic control system; and a system for opening the valve element upon failure of the hydraulic system.
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: April 10, 2012
    Assignee: Schlumberger Technology Corporation
    Inventors: Deepak J. DCosta, Allyn Pratt
  • LUBRICATOR VALVE
    Publication number: 20090065212
    Abstract: A lubricator valve assembly adapted for connection in a pipe string for use in a well includes a tubular valve body having a bore formed longitudinally therethrough; a valve seat connected to the valve body and in communication with the bore; a valve element mounted in the bore and rotatable with respect to the valve seat between positions opening and closing the bore; an operator in connection between the valve element and a hydraulic control system, the operator moving the valve element between the open and close bore positions in response to the hydraulic control system; and a system for opening the valve element upon failure of the hydraulic system.
    Type: Application
    Filed: September 6, 2007
    Publication date: March 12, 2009
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Deepak J. DCosta, Allyn Pratt
  • Cutter Assembly
    Publication number: 20080105436
    Abstract: A cutter module includes a piston and a shear blade. The piston includes at least two movable telescoping elements that are adapted to expand from a first retracted length to a second expanded length. The shear blade is connected to the first piston to sever a tubing in response to the piston expanding from the retracted length to the second expanded length. The shear blade has a cutting edge that has a radius greater than 0.01 inches.
    Type: Application
    Filed: November 2, 2006
    Publication date: May 8, 2008
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Paul Molina, Allyn Pratt, John Yarnold