Patents by Inventor Nathan Harder
Nathan Harder 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: 9016369Abstract: A downhole piston accumulator system is disclosed, such as for a formation tester. The soft piston of the system is designed to withstand high pressure downhole fluids in small volume cylinders, the fluid being collected for optical fluid identification or other analyses. The temperature range of the fluid may vary widely, which can be accommodated by the soft piston. Sealing components on the soft piston include additional materials for sealing the soft piston and otherwise helping to accommodate the wide ranging pressures and temperatures. The piston container or cylinder is designed to properly capture the piston and accommodate piston movement. The piston accumulator system allows an outer or exterior position sensor to detect piston movement, such as by a magnetic sensor.Type: GrantFiled: September 8, 2010Date of Patent: April 28, 2015Assignee: Halliburton Energy Services, Inc.Inventors: Robert Atkinson, Nathan Harder, Michael T. Pelletier
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Publication number: 20130168088Abstract: A downhole piston accumulator system is disclosed, such as for a formation tester. The soft piston of the system is designed to withstand high pressure downhole fluids in small volume cylinders, the fluid being collected for optical fluid identification or other analyses. The temperature range of the fluid may vary widely, which can be accommodated by the soft piston. Sealing components on the soft piston include additional materials for sealing the soft piston and otherwise helping to accommodate the wide ranging pressures and temperatures. The piston container or cylinder is designed to properly capture the piston and accommodate piston movement. The piston accumulator system allows an outer or exterior position sensor to detect piston movement, such as by a magnetic sensor.Type: ApplicationFiled: September 8, 2010Publication date: July 4, 2013Applicant: Halliburton Energy Services, Inc.Inventors: Robert Atkinson, Nathan Harder, Michael T. Pelletier
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Patent number: 8427638Abstract: Optical measurement devices including one or more sealing assemblies are described. The sealing assemblies are configured for use at relatively high temperatures and pressures, such as temperatures over 200 degrees F. and pressures over 10,000 psi. The sealing assemblies can include a deformable seal element surrounded on each side by a backup seal element. In some examples, the deformable seal element is formed of a material selected from a group consisting of a fluoroelastomer or polytetrafluoroethylene, and the backup seal elements are formed of a material selected from a group consisting of flexible graphite or metal foil. Optionally, at least one additional seal element functioning as an extrusion barrier can be placed on the opposite side of one or both backup seal elements from the deformable seal element. The additional seal element can be formed of polyether ether ketone or flexible graphite, for example. Additional devices and assemblies are described.Type: GrantFiled: January 21, 2011Date of Patent: April 23, 2013Assignee: Halliburton Energy Services, Inc.Inventors: Robert Atkinson, Christopher M. Jones, Michael T. Pelletier, Nathan Harder, Robert J. Murphy
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Publication number: 20120300200Abstract: Optical measurement devices including one or more sealing assemblies are described. The sealing assemblies are configured for use at relatively high temperatures and pressures, such as temperatures over 200 degrees F. and pressures over 10,000 psi. The sealing assemblies can include a deformable seal element surrounded on each side by a backup seal element. In some examples, the deformable seal element is formed of a material selected from a group consisting of a fluoroelastomer or polytetrafluoroethylene, and the backup seal elements are formed of a material selected from a group consisting of flexible graphite or metal foil. Optionally, at least one additional seal element functioning as an extrusion barrier can be placed on the opposite side of one or both backup seal elements from the deformable seal element. The additional seal element can be formed of polyether ether ketone or flexible graphite, for example. Additional devices and assemblies are described.Type: ApplicationFiled: January 21, 2011Publication date: November 29, 2012Applicant: HALLIBURTON ENERGY SERVICES, INCInventors: Robert Atkinson, Christopher M. Jones, Michael T. Pelletier, Nathan Harder, Robert J. Murphy
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Publication number: 20060191717Abstract: A system and method for excavating a subterranean formation according to which a fluid is introduced into a vessel to draw a plurality of impactors into the vessel to form a suspension. The suspension is discharged from the vessel and into another vessel, and fluid is introduced into the other vessel to draw the suspension into the other vessel. A suspension is formed in the other vessel that is discharged towards the formation to remove a portion of the formation.Type: ApplicationFiled: August 16, 2005Publication date: August 31, 2006Applicant: Particle Drilling Technologies, Inc.Inventors: Nathan Harder, Harry Curlett, Paul Padgett, Samuel Curlett
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Publication number: 20060191718Abstract: A system and method according to which at least one vessel injects a suspension of liquid and a plurality of impactors into a formation to remove at least a portion of the formation.Type: ApplicationFiled: August 16, 2005Publication date: August 31, 2006Applicant: Particle Drilling Technologies, Inc.Inventors: Nathan Harder, Harry Curlett, Paul Padgett, Butch Hazel
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Publication number: 20060180350Abstract: A system and method for excavating a subterranean formation, according to which a slurry of liquid and a plurality of impactors are introduced into at least one cavity formed in a body member and are discharged from the cavity so that the impactors remove a portion of the formation. The impactors are separated from at least a portion of the fluid and the materials removed from the formation, so that the impactors can be reused.Type: ApplicationFiled: August 16, 2005Publication date: August 17, 2006Applicant: Particle Drilling Technologies, Inc.Inventors: Nathan Harder, Harry Curlett, Paul Padgett, Samuel Curlett
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Publication number: 20060027398Abstract: A drill bit for drilling a well bore using solid material impactors comprising a nozzle and a cavity for accelerating the velocity of the solid material impactors and directing flow of the solid material impactors through the nozzle. The drill bit may also comprise a junk slot for return flow of the drilling fluid and solid material impactors.Type: ApplicationFiled: April 15, 2004Publication date: February 9, 2006Applicant: Particle Drilling, Inc.Inventors: Gordon Tibbitts, Paul Padgett, Harry Curlett, Samuel Curlett, Nathan Harder