Patents by Inventor Robert W. Gissler

Robert W. Gissler 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: 10907470
    Abstract: A cable assembly, well system, and method of use. A cable assembly may comprise a protective covering and a cable disposed in the protective covering. The cable may comprise a center conductor, an insulator. The insulator may be disposed about the center conductor. The cable may comprise an extra conductive layer, where the extra conductive layer may comprise copper and may be disposed about the insulator, and an outer conductive casing. A well system may comprise a cable assembly, which may comprise a protective covering, and a cable. The well system may further comprise downhole equipment disposed in a wellbore, wherein the downhole equipment may be connected to the cable assembly. A method for using a cable assembly in a well may comprise providing the cable assembly, inserting the cable assembly in the well, and sending a signal current through the cable assembly from the surface to downhole equipment.
    Type: Grant
    Filed: October 5, 2016
    Date of Patent: February 2, 2021
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Robert W. Gissler, Hai Bi, Aswin Balasubramanian, Quanling Zheng
  • Publication number: 20200347716
    Abstract: A well bore completion tool includes an accelerometer having an accelerometer output representative of acceleration of the well bore completion tool. The well bore completion tool includes a signal conditioning device coupled to the accelerometer output and producing a conditioned accelerometer output. The well bore completion tool includes an uplink coupled to the conditioned accelerometer output.
    Type: Application
    Filed: December 7, 2018
    Publication date: November 5, 2020
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Robert W. Gissler, Aswin Balasubramanian, Quanling Zheng
  • Publication number: 20180374611
    Abstract: A cable assembly, well system, and method of use. A cable assembly may comprise a protective covering and a cable disposed in the protective covering. The cable may comprise a center conductor, an insulator. The insulator may be disposed about the center conductor. The cable may comprise an extra conductive layer, where the extra conductive layer may comprise copper and may be disposed about the insulator, and an outer conductive casing. A well system may comprise a cable assembly, which may comprise a protective covering, and a cable. The well system may further comprise downhole equipment disposed in a wellbore, wherein the downhole equipment may be connected to the cable assembly. A method for using a cable assembly in a well may comprise providing the cable assembly, inserting the cable assembly in the well, and sending a signal current through the cable assembly from the surface to downhole equipment.
    Type: Application
    Filed: October 5, 2016
    Publication date: December 27, 2018
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Robert W. Gissler, Hai Bi, Aswin Balasubramanian, Quanling Zheng
  • Patent number: 9500072
    Abstract: A position sensor for well tools. A position sensor includes an indicator portion including a carrier supporting a resistive element and at least one contact, and a support device for supporting the carrier. Another position sensor includes an indicator portion including a slider for displacing at least one contact relative to a resistive element, the slider being displaceable between first and second limits, and an end load mechanism including a biasing device which exerts a biasing force on the slider as the slider approaches at least the first limit. Another position sensor includes an indicator portion including a resistive element and at least one contact which contacts and displaces across the resistive element, a change in position of the contact relative to the resistive element being indicated by a resistance change as the contact displaces across the resistive element.
    Type: Grant
    Filed: May 11, 2012
    Date of Patent: November 22, 2016
    Assignee: Welldynamics, Inc.
    Inventor: Robert W. Gissler
  • Publication number: 20120256635
    Abstract: A position sensor for well tools. A position sensor includes an indicator portion including a carrier supporting a resistive element and at least one contact, and a support device for supporting the carrier. Another position sensor includes an indicator portion including a slider for displacing at least one contact relative to a resistive element, the slider being displaceable between first and second limits, and an end load mechanism including a biasing device which exerts a biasing force on the slider as the slider approaches at least the first limit. Another position sensor includes an indicator portion including a resistive element and at least one contact which contacts and displaces across the resistive element, a change in position of the contact relative to the resistive element being indicated by a resistance change as the contact displaces across the resistive element.
    Type: Application
    Filed: May 11, 2012
    Publication date: October 11, 2012
    Applicant: WELLDYNAMICS, INC.
    Inventor: Robert W. GISSLER
  • Patent number: 7779912
    Abstract: A well tool having a magnetically coupled position sensor. In operation of a well tool, relative displacement is produced between members of the well tool. A magnetically coupled position sensor includes one magnet assembly attached to a member for displacement therewith and another magnet assembly movably attached to the other member and magnetically coupled to the first magnet assembly for displacement therewith. The position sensor further includes a magnetically permeable material which increases a magnetic flux density between the magnet assemblies. The magnetically permeable material may be positioned between magnets of the magnet assemblies and/or spaced apart therefrom.
    Type: Grant
    Filed: February 27, 2007
    Date of Patent: August 24, 2010
    Assignee: Welldynamics, Inc.
    Inventor: Robert W. Gissler
  • Patent number: 7673683
    Abstract: A well tool having a magnetically coupled position sensor. In operation of a well tool, relative displacement is produced between members of the well tool. A magnetically coupled position sensor includes one magnet assembly attached to a member for displacement therewith and another magnet assembly movably attached to the other member and magnetically coupled to the first magnet assembly for displacement therewith. The position sensor further includes a magnetically permeable material which increases a magnetic flux density between the magnet assemblies. In another position sensor, one magnet assembly includes a magnet having a pole axis, the other magnet assembly includes another magnet having another pole axis, and the pole axes are aligned with each other.
    Type: Grant
    Filed: January 18, 2007
    Date of Patent: March 9, 2010
    Assignee: Welldynamics, Inc.
    Inventor: Robert W. Gissler
  • Publication number: 20090071717
    Abstract: A position sensor for well tools. A position sensor includes an indicator portion including a carrier supporting a resistive element and at least one contact, and a support device for supporting the carrier. Another position sensor includes an indicator portion including a slider for displacing at least one contact relative to a resistive element, the slider being displaceable between first and second limits, and an end load mechanism including a biasing device which exerts a biasing force on the slider as the slider approaches at least the first limit. Another position sensor includes an indicator portion including a resistive element and at least one contact which contacts and displaces across the resistive element, a change in position of the contact relative to the resistive element being indicated by a resistance change as the contact displaces across the resistive element.
    Type: Application
    Filed: September 8, 2008
    Publication date: March 19, 2009
    Applicant: WELLDYNAMICS, INC.
    Inventor: Robert W. Gissler
  • Publication number: 20070170914
    Abstract: A well tool having a magnetically coupled position sensor. In operation of a well tool, relative displacement is produced between members of the well tool. A magnetically coupled position sensor includes one magnet assembly attached to a member for displacement therewith and another magnet assembly movably attached to the other member and magnetically coupled to the first magnet assembly for displacement therewith. The position sensor further includes a magnetically permeable material which increases a magnetic flux density between the magnet assemblies. In another position sensor, one magnet assembly includes a magnet having a pole axis, the other magnet assembly includes another magnet having another pole axis, and the pole axes are aligned with each other.
    Type: Application
    Filed: January 18, 2007
    Publication date: July 26, 2007
    Inventor: Robert W. Gissler
  • Patent number: 6349767
    Abstract: A disconnect tool includes a housing that has a first segment and a second segment. A first collet is coupled to the first segment and has a first plurality of fingers, each of the first plurality of fingers is bendable between a first position in which the fingers engage the first segment and prevent relative sliding movement between the first and second segments, and a second position in which the fingers do not engage the first segment and do not prevent relative sliding movement between the first and second segments. A first piston is positioned in the housing and has a third position wherein the piston engages and prevents the fingers from bending from the first position, and a fourth position wherein the piston does not engage and prevent the fingers from bending from the first position. The disconnect tool includes means for selectively retaining the first piston in the third position and means for moving the first piston from the third position to the fourth position.
    Type: Grant
    Filed: May 13, 1998
    Date of Patent: February 26, 2002
    Assignee: Halliburton Energy Services, Inc.
    Inventor: Robert W. Gissler
  • Publication number: 20020000320
    Abstract: A disconnect tool includes a housing that has a first segment and a second segment. A first collet is coupled to the first segment and has a first plurality of fingers, each of the first plurality of fingers is bendable between a first position in which the fingers engage the first segment and prevent relative sliding movement between the first and second segments, and a second position in which the fingers do not engage the first segment and do not prevent relative sliding movement between the first and second segments. A first piston is positioned in the housing and has a third position wherein the piston engages and prevents the fingers from bending from the first position, and a fourth position wherein the piston does not engage and prevent the fingers from bending from the first position. The disconnect tool includes means for selectively retaining the first piston in the third position and means for moving the first piston from the third position to the fourth position.
    Type: Application
    Filed: May 13, 1998
    Publication date: January 3, 2002
    Inventor: ROBERT W. GISSLER
  • Patent number: 6273189
    Abstract: A downhole tractor is provided that includes a housing and a first wheel assembly coupled to the housing that is operable to translate away from the housing in a first direction. The first wheel assembly has a first electric motor, a first wheel, and a first reduction gear assembly coupled between the first electric motor and the first wheel. A second wheel assembly is coupled to the housing and is operable to translate away from the housing in a second direction that is opposite to the first direction. The second wheel assembly has a second electric motor, a second wheel, and a second reduction gear assembly coupled between the second electric motor and the second wheel. A fluid ram is coupled to the first and second wheel assemblies for selectively translating the first and second wheel assemblies toward and away from the housing. A first controller is provided for controlling the flow of current to the first and second electric motors.
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: August 14, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Robert W. Gissler, Michael W. Holcombe, Daniel Purkis
  • Patent number: 6269883
    Abstract: A disconnect tool includes a housing that has a first segment and a second segment. A first collet is coupled to the first segment and has a first plurality of fingers, each of the first plurality of fingers is bendable between a first position in which the fingers engage the first segment and prevent relative sliding movement between the first and second segments and a second position in which the fingers do not engage the first segment and do not prevent relative sliding movement between the first and second segments. A first piston is positioned in the housing and has a third position wherein the piston engages and prevents the fingers from bending from the first position, and a fourth position wherein the piston does not engage and prevent the fingers from bending from the first position. The disconnect tool includes means for selectively retaining the first piston in the third position and means for moving the first piston from the third position to the fourth position.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: August 7, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Robert W. Gissler, Michael Holcombe
  • Patent number: 6220346
    Abstract: A thermal insulation vessel is provided that includes a first housing has a first internal cavity and an inner wall. A first plurality of magnets are coupled to the first housing and positioned proximate the inner wall in circumferentially spaced-apart relation. A second housing is positioned in the first internal cavity and has a second internal cavity and an outer wall. A second plurality of magnets is coupled to the second housing and positioned proximate the outer wall in circumferentially spaced-apart relation. The second plurality of magnets interacts with the first plurality of magnets to maintain a gap between the inner wall and the outer wall. The vessel may be used to thermally isolate components within or for use with various downhole tools. Magnetic levitation eliminates most and possibly all pathways for conductive heat transfer.
    Type: Grant
    Filed: May 29, 1999
    Date of Patent: April 24, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventor: Robert W. Gissler
  • Patent number: 5680049
    Abstract: An apparatus for measuring the resistivity of earth formations penetrated by a wellbore having a conductive conduit. The apparatus includes an elongated sonde mandrel, a plurality of electrodes positioned at axially spaced apart locations along the mandrel, the electrodes being electrically insulated from the mandrel and from each other, the electrodes adapted to electrically contact the conduit and positioned collinearly so that the electrodes contact the conduit when the mandrel is radially displaced towards the wall of the conduit. Some electrodes are for injecting electrical current into the conduit, other electrodes are for measuring voltage drop along the conduit at axially spaced apart locations. The mandrel includes selectively extensible locking arms for urging the mandrel into contact with the conduit. The arms are radially positioned opposite to the electrodes.
    Type: Grant
    Filed: December 11, 1995
    Date of Patent: October 21, 1997
    Assignee: Western Atlas International, Inc.
    Inventors: Robert W. Gissler, Otto Fanini, Jacques Maissa, H. Wade Bullock, Peter Rellinger