Patents by Inventor Todd MACGILLIVRAY
Todd MACGILLIVRAY 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).
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Patent number: 11965719Abstract: A shaped charge liner may include a plurality of liner segments for a shaped charge configured to perforate a sidewall of a wellbore upon detonation. The plurality of liner segments may include a tip liner segment comprising a first group of compacted metal powder having a hollow cone shape with a trailing interface end disposed opposite a tip end. The tip liner segment is configured to be disposed in a shaped charge casing of the shaped charge. The plurality of liner segments may also include a base liner segment comprising a second group of compacted metal powder having a truncated hollow cone shape with a trailing base end disposed opposite a leading base interface end. The trailing base end has a larger diameter than the leading base interface end, and the base liner segment is configured to be disposed at least partially within the shaped charge casing.Type: GrantFiled: May 10, 2022Date of Patent: April 23, 2024Assignee: Halliburton Energy Services, Inc.Inventors: Christopher C. Hoelscher, Joseph Todd MacGillivray, James M. Barker
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Publication number: 20240018853Abstract: A perforating gun connection is disclosed whereby a signal may be carried from surface, down through a wireline or other conveyance, and across the connection from the pin on one perforating gun to an electrical contact structure on the next perforating gun in the string. In an example, the connection includes a connector body with an electrical pin positioned for contact with an electrical contact structure on the next perforating gun. The electrical contact structure has a contact tab aligned for engagement by the pin when connected with the connector body. The electrical contact structure may be unitarily formed to include a number of features to facilitate connection between perforating guns.Type: ApplicationFiled: September 27, 2023Publication date: January 18, 2024Applicant: Halliburton Energy Services, Inc.Inventors: Joseph Todd MacGillivray, Courtney Ann Thain Roberts, Camille Anne Bryant
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Publication number: 20230364673Abstract: A shaped charge liner may include a plurality of liner segments for a shaped charge configured to perforate a sidewall of a wellbore upon detonation. The plurality of liner segments may include a tip liner segment comprising a first group of compacted metal powder having a hollow cone shape with a trailing interface end disposed opposite a tip end. The tip liner segment is configured to be disposed in a shaped charge casing of the shaped charge. The plurality of liner segments may also include a base liner segment comprising a second group of compacted metal powder having a truncated hollow cone shape with a trailing base end disposed opposite a leading base interface end. The trailing base end has a larger diameter than the leading base interface end, and the base liner segment is configured to be disposed at least partially within the shaped charge casing.Type: ApplicationFiled: May 10, 2022Publication date: November 16, 2023Applicant: Halliburton Energy Services, Inc.Inventors: Christopher C. Hoelscher, Joseph Todd MacGillivray, James M. Barker
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Patent number: 11808116Abstract: A perforating gun connection whereby a signal may be carried from surface, down through a wireline or other conveyance, and across the connection from the pin on one perforating gun to an electrical contact structure on the next perforating gun in the string. In an example, the connection includes a connector body with an electrical pin positioned for contact with an electrical contact structure on the next perforating gun. The electrical contact structure has a contact tab aligned for engagement by the pin when connected with the connector body. The electrical contact structure may be unitarily formed to include a number of features to facilitate connection between perforating guns.Type: GrantFiled: May 3, 2021Date of Patent: November 7, 2023Assignee: Halliburton Energy Services, Inc.Inventors: Joseph Todd MacGillivray, Courtney Ann Thain Roberts, Camille Anne Bryant
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Patent number: 11352860Abstract: Provided is a shaped charge for use in a wellbore. The shaped charge, in one example, includes a case exterior, the case exterior including an outer surface, and an inner surface forming an cavity, a case interior located within the cavity, a toroidal shaped liner located within the cavity and surrounding a base of the case interior, and explosive material located within a first gap between the inner surface of the case exterior and the toroidal shaped liner and a second gap between the toroidal shaped liner and the case interior.Type: GrantFiled: February 1, 2018Date of Patent: June 7, 2022Assignee: Halliburton Energy Services, Inc.Inventor: Joseph Todd MacGillivray
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Patent number: 11313208Abstract: Provided is a detonation cord alignment apparatus. The detonation cord alignment apparatus, in accordance with one example, includes a detonation cord alignment housing having a detonation cord opening extending there through, and one or more protrusions extending inward from the detonation cord opening for linearly securing a detonation cord therein.Type: GrantFiled: May 13, 2020Date of Patent: April 26, 2022Assignee: Halliburton Energy Services, Inc.Inventors: Christopher C. Hoelscher, Joseph Todd MacGillivray
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Publication number: 20210396103Abstract: A perforating gun connection is disclosed whereby a signal may be carried from surface, down through a wireline or other conveyance, and across the connection from the pin on one perforating gun to an electrical contact structure on the next perforating gun in the string. In an example, the connection includes a connector body with an electrical pin positioned for contact with an electrical contact structure on the next perforating gun. The electrical contact structure has a contact tab aligned for engagement by the pin when connected with the connector body. The electrical contact structure may be unitarily formed to include a number of features to facilitate connection between perforating guns.Type: ApplicationFiled: May 3, 2021Publication date: December 23, 2021Applicant: Halliburton Energy Services, Inc.Inventors: Joseph Todd MacGillivray, Courtney Ann Thain Roberts, Camille Anne Bryant
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Publication number: 20210355798Abstract: Provided is a detonation cord alignment apparatus. The detonation cord alignment apparatus, in accordance with one example, includes a detonation cord alignment housing having a detonation cord opening extending there through, and one or more protrusions extending inward from the detonation cord opening for linearly securing a detonation cord therein.Type: ApplicationFiled: May 13, 2020Publication date: November 18, 2021Inventors: Christopher C. Hoelscher, Joseph Todd MacGillivray
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Publication number: 20210131236Abstract: The present disclosure provides a shaped charge for use in a wellbore. The shaped charge, in one example, includes a case exterior, the case exterior including an outer surface, and an inner surface forming an cavity, a case interior located within the cavity, a toroidal shaped liner located within the cavity and surrounding a base of the case interior, and explosive material located within a first gap between the inner surface of the case exterior and the toroidal shaped liner and a second gap between the toroidal shaped liner and the case interior.Type: ApplicationFiled: February 1, 2018Publication date: May 6, 2021Inventor: Joseph Todd MacGillivray
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Patent number: 10920541Abstract: The present disclosure provides an perforating device for use within a wellbore. The perforating device comprises a center member having a length, an expansion tool positioned about the center member along at least a portion of the length, and a plurality of perforating guns positioned about the expansion tool, each of the plurality of perforating guns configured to carry one or more explosive shaped charges. The expansion tool is configured to move the plurality of perforating guns radially outward toward a wellbore target of a wellbore it is configured to be positioned within.Type: GrantFiled: January 6, 2017Date of Patent: February 16, 2021Assignee: Halliburton Energy Services, Inc.Inventors: Richard Ellis Robey, Christopher C. Hoelscher, James Wight, Joseph Todd MacGillivray
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Publication number: 20200284125Abstract: The present disclosure provides an perforating device for use within a wellbore. The perforating device comprises a center member having a length, an expansion tool positioned about the center member along at least a portion of the length, and a plurality of perforating guns positioned about the expansion tool, each of the plurality of perforating guns configured to carry one or more explosive shaped charges. The expansion tool is configured to move the plurality of perforating guns radially outward toward a wellbore target of a wellbore it is configured to be positioned within.Type: ApplicationFiled: January 6, 2017Publication date: September 10, 2020Inventors: Richard Ellis Robey, Christopher C. Hoelscher, James Wight, Joseph Todd MacGillivray
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Patent number: 9296343Abstract: Many tools and other items include a shaft. A restraining device is disclosed for restraining such an item when the item is not in use. In one embodiment, the restraining device includes at least one of: (i) a thumb-receiving surface for receiving a force by a thumb to pivot an arm open; and (ii) a finger-receiving surface for receiving a force by at least one finger to pivot the arm open. The restraining device may be used in restraining a reaching device in a rural mail carrier's vehicle. An apparatus is therefore also disclosed that, in one embodiment, includes a supporting body securable to a vehicle seat. The supporting body supports a tray for holding mail. The restraining device is connected to the supporting body.Type: GrantFiled: September 18, 2012Date of Patent: March 29, 2016Assignee: Canada Post CorporationInventors: Todd MacGillivray, Cathy Janveau, Yves Bedard, Rod Muir, Torrin Mullins, Phil Streets, Luc Boucher, Mike Sirois, Peter Wells
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Patent number: 8708385Abstract: A reaching device that in one embodiment comprises an elongated member, a jaw, and an actuator for opening and closing the jaw. The jaw includes a pair of holding members, one of which has a tapered lateral side edge. In one embodiment, the reaching device may allow a rural mail carrier to remain seated in the driver's side of a conventional (North American) vehicle, reach through the passenger's window, and perform the following tasks: open a mail box, retrieve mail from the mail box, place mail into the mail box, close the mail box, and raise or lower the indicator flag on the side of the mail box.Type: GrantFiled: June 7, 2012Date of Patent: April 29, 2014Assignee: Canada Post CorporationInventors: Martin Dion, Rod Muir, Mike Sirois, Phil Streets, Julian Potvin-Bernal, Andrew Lowe, Peter Wells, Cathy Janveau, Todd MacGillivray, Arland Horner, Yves Bedard, Christopher Eady
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Publication number: 20130069382Abstract: There is provided a reaching device particularly suitable for rural mail delivery. In one embodiment, the reaching device comprises an elongated member, a jaw, and an actuator for opening and closing the jaw. The jaw includes a pair of holding members, one of which has a tapered lateral side edge. In an illustrated embodiment, a reaching device is provided that allows a rural mail carrier to remain seated in the driver's side of a conventional (North American) vehicle, reach through the passenger's window, and perform the following tasks: open a mail box, retrieve mail from the mail box, place mail into the mail box, close the mail box, and raise or lower the indicator flag on the side of the mail box.Type: ApplicationFiled: June 7, 2012Publication date: March 21, 2013Applicant: CANADA POST CORPORATIONInventors: Martin DION, Rod MUIR, Mike SIROIS, Phil STREETS, Julian POTVIN-BERNAL, Andrew LOWE, Peter WELLS, Cathy JANVEAU, Todd MACGILLIVRAY, Arland HORNER, Yves BEDARD, Christopher EADY