Patents by Inventor Casey HIRSCHMANN

Casey HIRSCHMANN 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).

  • Tool for metal plugging or sealing of casing
    Patent number: 12129735
    Abstract: This disclosure describes a device and method of sealing perforations on a well casing inside a subterranean well. The device comprises a generally cylindrical sleeve having an open top and a closed bottom; a heater located inside the sleeve, the heater comprising a thermite mixture; an ignition mechanism that ignites the thermite mixture upon actuation; and a string connected to the heater ignition and detachably engages the sleeve.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: October 29, 2024
    Assignee: CONOCOPHILLIPS COMPANY
    Inventors: David D. Hearn, Casey Hirschmann, Randall S. Shafer, Stewart M. Robertson, Dan Mueller
  • TOOL FOR METAL PLUGGING OR SEALING OF CASING
    Publication number: 20240318524
    Abstract: This disclosure describes a device and method of sealing perforations on a well casing inside a subterranean well. The device comprises a generally cylindrical sleeve having an open top and a closed bottom; a heater located inside the sleeve, the heater comprising a thermite mixture; an ignition mechanism that ignites the thermite mixture upon actuation; and a string connected to the heater ignition and detachably engages the sleeve.
    Type: Application
    Filed: June 7, 2022
    Publication date: September 26, 2024
    Inventors: David D. HEARN, Casey HIRSCHMANN, Randall S. SHAFER, Stewart M. ROBERTSON, Dan MUELLER
  • Nano-thermite well plug
    Patent number: 12010970
    Abstract: A composition for a plug for use in wellbores undergoing plugging and abandonment operations, as well as plugs made with the composition, wherein the composition includes a first molten metal produced by igniting nano-thermite clusters of <500 nm average diameter admixed with a second molten metal that is produced by melting the wellbore's production tubing and casing.
    Type: Grant
    Filed: September 22, 2022
    Date of Patent: June 18, 2024
    Assignee: CONOCOPHILLIPS COMPANY
    Inventors: David D. Hearn, Casey Hirschmann, Randall S. Shafer
  • Nano-thermite Well Plug
    Publication number: 20230371454
    Abstract: A composition for a plug for wellbores undergoing plugging and abandonment operations is described. Methods of setting the plug are also described.
    Type: Application
    Filed: September 22, 2022
    Publication date: November 23, 2023
    Inventors: David D. HEARN, Casey HIRSCHMANN, Randall S. SHAFER
  • Nano-thermite well plug
    Patent number: 11480026
    Abstract: A composition and methods for setting a plug for well bores undergoing plugging and abandonment operations is described. Methods of setting the plug are also described include placing a blocking device below the plug location and creating a void space above the blocking device; placing a heat resistant base plate above the blocking device and introducing nano-thermite clusters and expandable bismuth alloy pellets into the void space; igniting the thermite and cooling the melted alloy to form a permanent plug in the void space.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: October 25, 2022
    Assignee: CONOCOPHILLIS COMPANY
    Inventors: David D. Hearn, Casey Hirschmann, Randall S. Shafer
  • TOOL FOR METAL PLUGGING OR SEALING OF CASING
    Publication number: 20220307343
    Abstract: This disclosure describes a device and method of sealing perforations on a well casing inside a subterranean well. The device comprises a generally cylindrical sleeve having an open top and a closed bottom; a heater located inside the sleeve, the heater comprising a thermite mixture; an ignition mechanism that ignites the thermite mixture upon actuation; and a string connected to the heater ignition and detachably engages the sleeve.
    Type: Application
    Filed: June 7, 2022
    Publication date: September 29, 2022
    Inventors: David D. HEARN, Casey HIRSCHMANN, Randall S. SHAFER, Stewart M. ROBERTSON, Dan MUELLER
  • Tool for metal plugging or sealing of casing
    Patent number: 11441384
    Abstract: This disclosure describes a device and method of sealing perforations on a well casing inside a subterranean well. The device comprises a generally cylindrical sleeve having an open top and a closed bottom; a heater located inside the sleeve, the heater comprising a thermite mixture; an ignition mechanism that ignites the thermite mixture upon actuation; and a string connected to the heater ignition and detachably engages the sleeve.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: September 13, 2022
    Assignee: CONOCOPHILLIPS COMPANY
    Inventors: David D. Hearn, Casey Hirschmann, Randall S. Shafer, Stewart M. Robertson, Dan Mueller
  • Nano-thermite Well Plug
    Publication number: 20210087904
    Abstract: A composition and methods for setting a plug for well bores undergoing plugging and abandonment operations is described. Methods of setting the plug are also described include placing a blocking device below the plug location and creating a void space above the blocking device; placing a heat resistant base plate above the blocking device and introducing nano-thermite clusters and expandable bismuth alloy pellets into the void space; igniting the thermite and cooling the melted alloy to form a permanent plug in the void space.
    Type: Application
    Filed: October 21, 2020
    Publication date: March 25, 2021
    Inventors: David D. HEARN, Casey HIRSCHMANN, Randall S. SHAFER
  • Nano-thermite well plug
    Patent number: 10871050
    Abstract: A composition and methods for setting a plug for well bores undergoing plugging and abandonment operations. Methods include placing a blocking device below the plug location and creating a void space above the blocking device; placing a heat resistant base plate above the blocking device and introducing nano-thermite clusters and expandable bismuth alloy pellets into the void space; igniting the thermite and cooling the melted alloy to form a permanent plug in the void space.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: December 22, 2020
    Assignee: ConocoPhillips Company
    Inventors: David D. Hearn, Casey Hirschmann, Randall S. Shafer
  • TOOL FOR METAL PLUGGING OR SEALING OF CASING
    Publication number: 20200381403
    Abstract: This disclosure describes a device and method of sealing perforations on a well casing inside a subterranean well. The device comprises a generally cylindrical sleeve having an open top and a closed bottom; a heater located inside the sleeve, the heater comprising a thermite mixture; an ignition mechanism that ignites the thermite mixture upon actuation; and a string connected to the heater ignition and detachably engages the sleeve.
    Type: Application
    Filed: August 21, 2020
    Publication date: December 3, 2020
    Inventors: David D. HEARN, Casey HIRSCHMANN, Randall S. SHAFER, Stewart M. ROBERTSON, Dan MUELLER
  • Tool for metal plugging or sealing of casing
    Patent number: 10760374
    Abstract: This disclosure describes a device and method of sealing perforations on a well casing inside a subterranean well. The device comprises a generally cylindrical sleeve having a open top and a closed bottom; a heater located inside the sleeve, the heater comprising a thermite mixture; an ignition mechanism that ignites the thermite mixture upon actuation; and a string connected to the heater ignition and detachably engages the sleeve.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: September 1, 2020
    Assignee: ConocoPhillips Company
    Inventors: David D. Hearn, Casey Hirschmann, Randall S. Shafer, Stewart M. Robertson, Dan Mueller
  • TOOL FOR METAL PLUGGING OR SEALING OF CASING
    Publication number: 20180148991
    Abstract: This disclosure describes a device and method of sealing perforations on a well casing inside a subterranean well. The device comprises a generally cylindrical sleeve having a open top and a closed bottom; a heater located inside the sleeve, the heater comprising a thermite mixture; an ignition mechanism that ignites the thermite mixture upon actuation; and a string connected to the heater ignition and detachably engages the sleeve.
    Type: Application
    Filed: September 15, 2017
    Publication date: May 31, 2018
    Inventors: David D. Hearn, Casey HIRSCHMANN, Randall S. Shafer, Stewart M. ROBERTSON, Dan MUELLER
  • Nano-thermite Well Plug
    Publication number: 20180094504
    Abstract: A composition for a plug for wellbores undergoing plugging and abandonment operations is described. Methods of setting the plug are also described.
    Type: Application
    Filed: September 15, 2017
    Publication date: April 5, 2018
    Inventors: David D. Hearn, Casey HIRSCHMANN, Randall S. Shafer