Patents by Inventor Terry Lee Mytopher

Terry Lee Mytopher 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: 9945214
    Abstract: A firing assembly for a wellbore perforating gun or other downhole tool includes: one or more casings connected together to form a firing head containment body, the firing head containment body is in fluid communication with a firing assembly that includes a click pressure firing module that allows the wellbore to be pressurized to high pressures required for pressure testing the well casing one or more times without firing the gun or actuating a certain downhole tool, and after a predetermined number of pressure increase events, allows the subsequent high pressure activation to reach the firing pin or actuation device and fire the gun or activate the tool without further activity from the surface other than applying the pressure.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: April 17, 2018
    Assignee: Nine Energy Canada Inc.
    Inventors: Nathan Brian Coffey, Terry Lee Mytopher
  • Patent number: 9664013
    Abstract: Wellbore subassemblies usable to create a flowpath between a formation and a wellbore can include an inner sleeve and an outer sleeve positioned internal to and external of a core, the core having sockets containing charge assemblies. Upon actuation of the charge assemblies, the inner and outer sleeves are both simultaneously penetrated to form a fluid flowpath between the interior of the subassembly and the formation exterior to the subassembly. The structure of the subassembly can enable it to be lowed and used as part of a tubular conduit string both before and after perforation, the charge assemblies being unobtrusively embedded within the wall of the subassembly.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: May 30, 2017
    Assignee: Nine Energy Canada Inc.
    Inventors: Nathan Brian Coffey, Terry Lee Mytopher
  • Patent number: 9441466
    Abstract: The present invention discloses a wellbore perforating apparatus. The apparatus includes a tubular body and a perforating charge. The tubular body has a wall defining an interior space and an exterior space and the wall has a cavity. In some embodiments, the cavity may be shaped to define a charge socket that receives a perforating charge. The perforating charge is configured in the cavity at a location inside the wall. The perforating charge is configured to discharge toward and into the interior space and penetrate into the exterior space by perforating the wall across the interior space from the location of the perforating charge.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: September 13, 2016
    Assignee: Nine Energy Canada Inc.
    Inventors: Nathan Brian Coffey, Terry Lee Mytopher
  • Publication number: 20150041135
    Abstract: A firing assembly for a wellbore perforating gun or other downhole tool includes; one or more casings connected together to form a firing head containment body, the firing head containment body is in fluid communication with a firing assembly that includes a click pressure firing module that allows the wellbore to be pressurized to high pressures required for pressure testing the well casing one or more times without firing the gun or actuating a certain downhole tool, and after a predetermined number of pressure increase events, allows the subsequent high pressure activation to reach the firing pin or actuation device and fire the gun or activate the tool without further activity from the surface other than applying the pressure.
    Type: Application
    Filed: July 15, 2014
    Publication date: February 12, 2015
    Inventors: Nathan Brian Coffey, Terry Lee Mytopher
  • Patent number: 8950509
    Abstract: A firing assembly is configured to be contained in a recess formed in a wall of a tubular string subassembly and operates without blockage of the central core of the casing subassembly. The assembly can include: one or more casings connected together to form a firing head containment body, the firing head containment body comprising a detonation chamber and actuation chamber; a detonator configured in the detonation chamber; a moveable actuator configured in the actuation chamber and operatively connected to the detonator, wherein the actuator is retained in a first position in the actuation chamber by a retention detent; a coupler operatively connected to the actuator opposite the detonator, wherein the coupler comprises a channel for communicating pressure through the coupler to the actuator that overcomes the retention detent and allows the actuator to move in the actuation chamber to as second position, wherein the detonator activates in dependence upon the actuator moving to the second position.
    Type: Grant
    Filed: July 22, 2011
    Date of Patent: February 10, 2015
    Assignee: Nine Energy Canada Inc.
    Inventors: Nathan Brian Coffey, Terry Lee Mytopher
  • Publication number: 20140116775
    Abstract: The present invention discloses a wellbore perforating apparatus. The apparatus includes a tubular body and a perforating charge. The tubular body has a wall defining an interior space and an exterior space and the wall has a cavity. In some embodiments, the cavity may be shaped to define a charge socket that receives a perforating charge. The perforating charge is configured in the cavity at a location inside the wall. The perforating charge is configured to discharge toward and into the interior space and penetrate into the exterior space by perforating the wall across the interior space from the location of the perforating charge.
    Type: Application
    Filed: January 6, 2014
    Publication date: May 1, 2014
    Applicant: NINE ENERGY CANADA, INC.
    Inventors: Nathan Brian Coffey, Terry Lee Mytopher
  • Patent number: 8622132
    Abstract: The present invention discloses a wellbore subassembly with a perforating gun. The wellbore subassembly includes a tubular body and a perforating charge. The tubular body has a wall defining an interior space and an exterior space and the wall has a cavity. In some embodiments, the cavity may be shaped to define a charge socket that receives only a single perforating charge. The perforating charge is configured in the cavity at a location inside the wall. The perforating charge is configured to discharge toward and into the interior space and penetrate into the exterior space by perforating the wall across the interior space from the location of the perforating charge.
    Type: Grant
    Filed: July 23, 2010
    Date of Patent: January 7, 2014
    Inventors: Nathan Brian Coffey, Terry Lee Mytopher
  • Publication number: 20140000894
    Abstract: Wellbore subassemblies usable to create a flowpath between a formation and a wellbore can include an inner sleeve and an outer sleeve positioned internal to and external of a core, the core having sockets containing charge assemblies. Upon actuation of the charge assemblies, the inner and outer sleeves are both simultaneously penetrated to form a fluid flowpath between the interior of the subassembly and the formation exterior to the subassembly. The structure of the subassembly can enable it to be lowed and used as part of a tubular conduit string both before and after perforation, the charge assemblies being unobtrusively embedded within the wall of the subassembly.
    Type: Application
    Filed: February 8, 2013
    Publication date: January 2, 2014
    Applicant: Integrated Production Services, LTD.
    Inventors: Nathan Brian Coffey, Terry Lee Mytopher
  • Patent number: 8393392
    Abstract: A bottom hole assembly for one trip perforating and treating a wellbore, the bottom hole assembly including: a tool body including an outer surface and an upper end; a fluid passage extending into the tool body from the upper end; a valve to provide (i) in one orientation fluid access from the fluid passage to an outlet port opening to the outer surface and (ii) in another orientation fluid access from the fluid passage to a perforating gun actuation fluid supply channel while sealing fluid access from the fluid passage to the outer surface; an annular sealing member encircling the outer surface below the outlet port; and a perforating gun carried below the resettable, annular sealing member and hydraulically actuable to detonate by fluid communication through the perforating gun actuation fluid supply channel.
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: March 12, 2013
    Assignee: Integrated Production Services Ltd.
    Inventors: Terry Lee Mytopher, Nathan Coffey
  • Publication number: 20120024528
    Abstract: The present disclosure discloses a firing assembly for detonating charges of a perforating gun. The firing assembly includes: one or more casings connected together to form a firing head containment body, the firing head containment body comprising a detonation chamber and actuation chamber; a detonator configured in the detonation chamber; a moveable actuator configured in the actuation chamber and operatively connected to the detonator, wherein the actuator is retained in a first position in the actuation chamber by a retention detent; a coupler operatively connected to the actuator opposite the detonator, wherein the coupler comprises a channel for communicating pressure through the coupler to the actuator that overcomes the retention detent and allows the actuator to move in the actuation chamber to a second position, wherein the detonator activates in dependence upon the actuator moving to the second position.
    Type: Application
    Filed: July 22, 2011
    Publication date: February 2, 2012
    Inventors: Terry Lee Mytopher, Nathan Brian Coffey
  • Publication number: 20110017453
    Abstract: The present invention discloses a wellbore subassembly with a perforating gun. The wellbore subassembly includes a tubular body and a perforating charge. The tubular body has a wall defining an interior space and an exterior space and the wall has a cavity. In some embodiments, the cavity may be shaped to define a charge socket that receives only a single perforating charge. The perforating charge is configured in the cavity at a location inside the wall. The perforating charge is configured to discharge toward and into the interior space and penetrate into the exterior space by perforating the wall across the interior space from the location of the perforating charge.
    Type: Application
    Filed: July 23, 2010
    Publication date: January 27, 2011
    Inventors: Terry Lee Mytopher, Nathan Brian Coffey
  • Publication number: 20100236781
    Abstract: A bottom hole assembly for one trip perforating and treating a wellbore, the bottom hole assembly including: a tool body including an outer surface and an upper end; a fluid passage extending into the tool body from the upper end; a valve to provide (i) in one orientation fluid access from the fluid passage to an outlet port opening to the outer surface and (ii) in another orientation fluid access from the fluid passage to a perforating gun actuation fluid supply channel while sealing fluid access from the fluid passage to the outer surface; an annular sealing member encircling the outer surface below the outlet port; and a perforating gun carried below the resettable, annular sealing member and hydraulically actuable to detonate by fluid communication through the perforating gun actuation fluid supply channel.
    Type: Application
    Filed: March 22, 2010
    Publication date: September 23, 2010
    Applicant: INTEGRATED PRODUCTION SERVICES LTD.
    Inventors: TERRY LEE MYTOPHER, NATHAN COFFEY
  • Publication number: 20100051278
    Abstract: A perforating gun assembly including: an upper end; a perforating gun connected to the upper end; a hydraulically actuated tool connected to the perforating gun on an end opposite the upper end; and a fluid conduit extending through the upper end and to the hydraulically actuated tool, the fluid conduit allowing fluid communication past the perforating gun to the hydraulically actuated tool such that fluid can be communicated through the upper end to actuate the hydraulically actuated tool.
    Type: Application
    Filed: September 4, 2008
    Publication date: March 4, 2010
    Applicant: INTEGRATED PRODUCTION SERVICES LTD.
    Inventors: Terry Lee Mytopher, Joseph Melvin Farnel