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Steven G Streich, James C Tucker, James R Birchak, Paul F Rodney, Neal G Skinner: Apparatus and method for removing a frangible rupture disc or other frangible device from a wellbore casing. Halliburton Energy Services, John W Wustenberg, Neal R Kennedy, June 4, 2002: US06397950 (114 worldwide citation)

An apparatus and method for removing a frangible rupture disc or other frangible device from a wellbore casing. The casing has a special casing section defining a plurality of holes therethrough. Rupturable glass ceramic discs or inserts are disposed in the holes and retained therein. The glass cera ...


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Gerald Meltz, Neal G Skinner: Distributed flow properties wellbore measurement system. Halliburton Energy Services, Marlin R Smith, April 5, 2005: US06874361 (103 worldwide citation)

A distributed flow properties wellbore measurement system. In a described embodiment, a system for determining at least one parameter of a fluid in a tubular string includes a pressure pulse generator attached to the tubular string and a set of sensors. The generator transmits a pressure pulse throu ...


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Roger L Schultz, Kevin R Manke, Neal G Skinner: Differential actuating system for downhole tools. Halliburton Company, L Wayne Beavers, April 7, 1992: US05101907 (90 worldwide citation)

A differential pressure actuating system for downhole tools provides endless operation by the use of the differential pressure between two isolated zones of a well as a power source for the tool. That differential pressure is applied across a power transfer element to operate the downhole tool.


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Vimal V Shah, Wallace R Gardner, Paul F Rodney, Neal G Skinner: Downhole sensing with fiber in exterior annulus. Halliburton Energy Services, John W Wustenberg, Anthony L Rahhal, January 25, 2005: US06847034 (86 worldwide citation)

A portion of at least one fiber is moved into an exterior annulus of a well between a tubular structure in the well and the wall of the borehole of the well such that the portion is placed to conduct a signal responsive to at least one parameter in the exterior annulus. One particular implementation ...


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Neal G Skinner: Retrievable bridge plug. Halliburton Company, Alan T McCollom, James R Duzan, Thomas R Weaver, January 24, 1984: US04427063 (82 worldwide citation)

A retrievable bridge plug of the type having upper and lower anchors and an elastomeric packer for sealing a well casing. Drill string manipulation of the plug body effects packer compression and sealing. A ratchet maintains packer compression when engaged and permits packer expansion when disengage ...


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Wallace R Gardner, Paul F Rodney, Neal G Skinner, Vimal V Shah: Downhole sensing with fiber in the formation. Halliburton Energy Services, John W Wustenberg, McAfee & Taft, December 27, 2005: US06978832 (79 worldwide citation)

A portion of at least one fiber is moved from a wellbore into a formation such that the portion is placed to conduct a signal responsive to at least one parameter in the formation. One particular implementation uses fiber optic cable with a process selected from the group consisting of a fracturing ...


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Roger L Schultz, Kevin R Manke, Neal G Skinner: Differential actuating system for downhole tools. Halliburton Company, James R Duzan, L Wayne Beavers, August 24, 1993: US05238070 (73 worldwide citation)

A differential pressure actuating system for downhole tools provides endless operation by the use of the differential pressure between two isolated zones of a well as a power source for the tool. That differential pressure is applied across a power transfer element to operate the downhole tool.


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Neal G Skinner, John R Dennis, Michel LeBlanc: Multi-parameter interferometric fiber optic sensor. Halliburton Energy Services, Marlin R Smith, June 8, 2004: US06747743 (67 worldwide citation)

A fiber optic sensor system permits multiple parameters to be sensed using a single sensor. In a described embodiment, a method of sensing multiple parameters is provided in which an interferometric fiber optic sensor is connected to a variable wavelength light source. Light is transmitted from the ...


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