Patents by Inventor John Dexter Brunet
John Dexter Brunet 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: 11815085Abstract: A pump for use in a hydraulic fracturing system, the pump including a conical packing sleeve including a tapered segment adjacent a pump insertion side a pilot and sealing segment adjacent and contiguous with the tapered segment and an attachment segment adjacent and contiguous with the pilot and sealing segment and adjacent a pump removal side. Methods of installing, removing and replacing the sleeve are also disclosed.Type: GrantFiled: September 23, 2022Date of Patent: November 14, 2023Assignee: Halliburton Energy Services, Inc.Inventor: John Dexter Brunet
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Patent number: 11754068Abstract: A packing sleeve for a pump fluid end. The packing sleeve comprising a tubular body having a first end, a second end, and a total axial length along a center axis extending from the first end to the second end; the tubular body further comprises a first region that is adjacent to the first end, wherein the first region extends away from the first end a first axial distance and a second region that is adjacent to the second end, wherein the second region extends away from the second end a second axial distance and abuts the first region, wherein the first axial distance and the second axial distance equal the total axial length and wherein the first axial distance comprises about 35-70% of the total axial length.Type: GrantFiled: September 21, 2022Date of Patent: September 12, 2023Assignee: Halliburton Energy Services, Inc.Inventors: John Dexter Brunet, Justin Lee Hurst
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Patent number: 11543041Abstract: Examples of a two-piece guide bushing apparatus are provided. A specific example comprises a guide bushing base comprising flanges which extend into the interior of the guide bushing base, and a guide bushing center comprising a spring clip. The guide bushing center is coupled to the guide bushing base and configured to be removable from the guide bushing base.Type: GrantFiled: August 25, 2016Date of Patent: January 3, 2023Assignee: Halliburton Energy Services, Inc.Inventors: Jacob Glenn Davis, John Dexter Brunet, Justin Lee Hurst
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Patent number: 11293227Abstract: An assembly including a seal adapter having a bearing retainer and a bearing, wherein the bearing retainer is cylindrical and has a bearing retainer inside surface and a bearing retainer outside surface, and wherein the bearing retainer comprises a cavity along the bearing retainer inside surface, and wherein the bearing is cylindrical, wherein the bearing has a bearing outside surface, a bearing inside surface, a bearing front surface and a bearing back surface, and wherein, when assembled, the bearing is at least partially within the cavity, such that the bearing outside surface and the bearing back surface are in contact with the bearing retainer inside surface.Type: GrantFiled: February 28, 2020Date of Patent: April 5, 2022Assignee: Halliburton Energy Services, Inc.Inventor: John Dexter Brunet
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Publication number: 20210270087Abstract: An assembly including a seal adapter having a bearing retainer and a bearing, wherein the bearing retainer is cylindrical and has a bearing retainer inside surface and a bearing retainer outside surface, and wherein the bearing retainer comprises a cavity along the bearing retainer inside surface, and wherein the bearing is cylindrical, wherein the bearing has a bearing outside surface, a bearing inside surface, a bearing front surface and a bearing back surface, and wherein, when assembled, the bearing is at least partially within the cavity, such that the bearing outside surface and the bearing back surface are in contact with the bearing retainer inside surface.Type: ApplicationFiled: February 28, 2020Publication date: September 2, 2021Inventor: John Dexter BRUNET
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Patent number: 11059154Abstract: Examples of a removal tool for a two-piece guide bushing are provided. A specific example comprises a handle, a cap coupled to the handle, the cap comprising arced slots; and a raised boss coupled to the cap, the raised boss configured to fit over the stem guide of a two-piece guide bushing. The guide bushing removal tool may be coupled to a two-piece guide bushing and the guide bushing removal tool may be configured such that rotation of the handle releases the guide bushing center of the two-piece guide bushing.Type: GrantFiled: August 25, 2016Date of Patent: July 13, 2021Assignee: HALLIBURTON ENERGY SERVICES, INC.Inventors: Jacob Glenn Davis, John Dexter Brunet, Justin Lee Hurst, James Alan Olis
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Patent number: 10857626Abstract: A pump fluid end includes a body that defines a plunger bore and a working fluid bore that intersects the plunger bore to form a cross bore. A packing bore is defined in the plunger bore and includes a packing sleeve bore, a taper relief bore, and a transition bore. The packing sleeve bore transitions to the taper relief bore at a radial shoulder and the taper relief bore transitions to the plunger bore across the transition bore. The transition bore extends between an external corner contiguous with the plunger bore and an internal corner contiguous with the taper relief bore and at least one of the external and internal corners is rounded and exhibits a radius. The packing bore is treated with a surface pre-stressing treatment.Type: GrantFiled: October 21, 2016Date of Patent: December 8, 2020Assignee: HALLIBURTON ENERGY SERVICES, INC.Inventors: David Mark Stribling, Benedict I Portillo, John Dexter Brunet
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Publication number: 20200041014Abstract: Examples of a two-piece guide bushing apparatus are provided. A specific example comprises a guide bushing base comprising flanges which extend into the interior of the guide bushing base, and a guide bushing center comprising a spring clip. The guide bushing center is coupled to the guide bushing base and configured to be removable from the guide bushing base.Type: ApplicationFiled: August 25, 2016Publication date: February 6, 2020Inventors: Jacob Glenn DAVIS, John Dexter Brunet, Justin Lee Hurst
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Publication number: 20200001444Abstract: Examples of a removal tool for a two-piece guide bushing are provided. A specific example comprises a handle, a cap coupled to the handle, the cap comprising arced slots; and a raised boss coupled to the cap, the raised boss configured to fit over the stem guide of a two-piece guide bushing. The guide bushing removal tool may be coupled to a two-piece guide bushing and the guide bushing removal tool may be configured such that rotation of the handle releases the guide bushing center of the two-piece guide bushing.Type: ApplicationFiled: August 25, 2016Publication date: January 2, 2020Inventors: Jacob Glenn DAVIS, John Dexter BRUNET, Justin Lee HURST, James Alan OLIS
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Publication number: 20190247957Abstract: A pump fluid end includes a body that defines a plunger bore and a working fluid bore that intersects the plunger bore to form a cross bore. A packing bore is defined in the plunger bore and includes a packing sleeve bore, a taper relief bore, and a transition bore. The packing sleeve bore transitions to the taper relief bore at a radial shoulder and the taper relief bore transitions to the plunger bore across the transition bore. The transition bore extends between an external corner contiguous with the plunger bore and an internal corner contiguous with the taper relief bore and at least one of the external and internal corners is rounded and exhibits a radius. The packing bore is treated with a surface pre-stressing treatment.Type: ApplicationFiled: October 21, 2016Publication date: August 15, 2019Inventors: David Mark STRIBLING, Benedict I. PORTILLO, John Dexter BRUNET
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Patent number: 9435333Abstract: Corrosion resistant alloys in fluid ends to prolong the life of a well service pump. Methods of using such corrosion resistant alloys that provide a fluid end that has a corrosion resistant alloy having a fatigue limit greater than or equal to the tensile stress on the fluid end at maximum working pressure in the fluid end for an aqueous-based fluid; installing the fluid end in a well service pump; and pumping the aqueous-based fluid through the fluid end.Type: GrantFiled: December 21, 2011Date of Patent: September 6, 2016Assignee: Halliburton Energy Services, Inc.Inventors: Terry H. McCoy, David M. Stribling, John Dexter Brunet, Stanley V. Stephenson, Timothy A. Freeney
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Patent number: 8621979Abstract: A positive displacement pump comprising a lubricant manifold comprising a first fluid pathway, a housing comprising a second fluid pathway in fluid communication with the first pathway, a crosshead slide within the housing and comprising a third fluid pathway in fluid communication with the second pathway; a crosshead configured to reciprocate within the crosshead slide, the crosshead comprising a fourth fluid pathway in fluid communication with the third pathway, the crosshead further comprising a wrist-pin having a fifth fluid pathway in fluid communication with the fourth pathway, a crankshaft within the housing, and a connecting rod disposed between the crosshead and the crankshaft and connected thereto, wherein the connecting rod comprises a sixth fluid pathway displaced from the connecting rod centerline and in fluid communication with the fifth pathway, and wherein the crankshaft end of the connecting rod comprises a seventh fluid pathway in fluid communication with the sixth pathway.Type: GrantFiled: March 16, 2011Date of Patent: January 7, 2014Assignee: Halliburton Energy Services, Inc.Inventors: John Dexter Brunet, David Mark Stribling, Dickey Charles Headrick, Ivan L. Blanco
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Publication number: 20130161013Abstract: The present invention relates to the use of corrosion resistant alloys in fluid ends to prolong the life of a well service pump. One embodiment of the present invention provides a method of providing a fluid end that has a corrosion resistant alloy having a fatigue limit greater than or equal to the tensile stress on the fluid end at maximum working pressure in the fluid end for an aqueous-based fluid; installing the fluid end in a well service pump; and pumping the aqueous-based fluid through the fluid end.Type: ApplicationFiled: December 21, 2011Publication date: June 27, 2013Applicant: Halliburton Energy Services, Inc.Inventors: Terry H. McCoy, David M. Stribling, John Dexter Brunet, Stanley V. Stephenson, Timothy A. Freeney
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Patent number: 8444398Abstract: A pump has a pump fluid end and a manifold that is detachable from the fluid end. A device is attachable to the pump, and has a manifold support beam portion adapted to affix to the pump fluid end at a location adjacent a manifold mating surface of the pump fluid end and extend outward from the pump fluid end. A support is provided on the manifold support beam portion that, when the manifold support beam portion is affixed to the fluid end of the pump, engages the manifold detached from the fluid end and supports the weight of the manifold.Type: GrantFiled: March 31, 2011Date of Patent: May 21, 2013Assignee: Halliburton Energy Services, Inc.Inventors: John Dexter Brunet, Justin Lee Hurst
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Publication number: 20120247578Abstract: A pump has a pump fluid end and a manifold that is detachable from the fluid end. A device is attachable to the pump, and has a manifold support beam portion adapted to affix to the pump fluid end at a location adjacent a manifold mating surface of the pump fluid end and extend outward from the pump fluid end. A support is provided on the manifold support beam portion that, when the manifold support beam portion is affixed to the fluid end of the pump, engages the manifold detached from the fluid end and supports the weight of the manifold.Type: ApplicationFiled: March 31, 2011Publication date: October 4, 2012Applicant: Halliburton Energy Services, Inc.Inventors: John Dexter Brunet, Justin Lee Hurst
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Publication number: 20120234539Abstract: A positive displacement pump comprising a lubricant manifold comprising a first fluid pathway, a housing comprising a second fluid pathway in fluid communication with the first pathway, a crosshead slide within the housing and comprising a third fluid pathway in fluid communication with the second pathway; a crosshead configured to reciprocate within the crosshead slide, the crosshead comprising a fourth fluid pathway in fluid communication with the third pathway, the crosshead further comprising a wrist-pin having a fifth fluid pathway in fluid communication with the fourth pathway, a crankshaft within the housing, and a connecting rod disposed between the crosshead and the crankshaft and connected thereto, wherein the connecting rod comprises a sixth fluid pathway displaced from the connecting rod centerline and in fluid communication with the fifth pathway, and wherein the crankshaft end of the connecting rod comprises a seventh fluid pathway in fluid communication with the sixth pathway.Type: ApplicationFiled: March 16, 2011Publication date: September 20, 2012Applicant: Halliburton Energy Services, Inc.Inventors: John Dexter BRUNET, David Mark STRIBLING, Dickey Charles HEADRICK, Ivan L. BLANCO
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Publication number: 20090252616Abstract: A pumping system comprising a motor, wherein the motor has an operating speed, a pump coupled to the motor, wherein the pump has a volumetric displacement, a fluid end coupled to the pump, wherein the fluid end is operable to draw fluid from an input and provide fluid to an output, and a control system operable to regulate the motor and the pump in order to provide fluid to the output at a selected pressure and flow rate within a continuous range of pressures and flow rates between the peak horsepower output and peak torque output of the motor.Type: ApplicationFiled: June 15, 2009Publication date: October 8, 2009Applicant: Halliburton Energy Services, Inc.Inventors: John Dexter Brunet, David Mark Stribling, Todd J. Dean, James D. Roach, Stephen Franklin Crain
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Patent number: 7563076Abstract: A pumping system comprising a motor, wherein the motor has an operating speed, a pump coupled to the motor, wherein the pump has a volumetric displacement, a fluid end coupled to the pump, wherein the fluid end is operable to draw fluid from an input and provide fluid to an output, and a control system operable to regulate the motor and the pump in order to provide fluid to the output at a selected pressure and flow rate within a continuous range of pressures and flow rates between the peak horsepower output and peak torque output of the motor.Type: GrantFiled: October 27, 2004Date of Patent: July 21, 2009Assignee: Halliburton Energy Services, Inc.Inventors: John Dexter Brunet, David Mark Stribling, Todd J. Dean, James D. Roach, Stephen Franklin Crain