Patents by Inventor George Alexander Burnett
George Alexander Burnett 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: 11395983Abstract: An apparatus for separating solids from solids laden drilling fluid is provided. The apparatus includes a shale shaker and a screen assembly. The shale shaker includes a base and a basket isolated from the base, a flow tray arranged in the basket for directing screened drilling fluid. The screen assembly includes at least one layer of screening material, a screen support having a perimeter with at least one support point within the perimeter, wherein the flow tray includes at least one raised portion to support the screen assembly. In some versions the shale shaker has a basket having side supports and at least one intermediate support arranged between the side supports. The screen assembly includes a screen support supporting at least one layer of screening material.Type: GrantFiled: July 28, 2020Date of Patent: July 26, 2022Assignee: National Oilwell Varco, L.P.Inventor: George Alexander Burnett
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Publication number: 20200353387Abstract: An apparatus for separating solids from solids laden drilling fluid is provided. The apparatus includes a shale shaker and a screen assembly. The shale shaker includes a base and a basket isolated from the base, a flow tray arranged in the basket for directing screened drilling fluid. The screen assembly includes at least one layer of screening material, a screen support having a perimeter with at least one support point within the perimeter, wherein the flow tray includes at least one raised portion to support the screen assembly. In some versions the shale shaker has a basket having side supports and at least one intermediate support arranged between the side supports. The screen assembly includes a screen support supporting at least one layer of screening material.Type: ApplicationFiled: July 28, 2020Publication date: November 12, 2020Applicant: National Oilwell Varco, L.P.Inventor: George Alexander Burnett
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Patent number: 10799817Abstract: An apparatus for separating solids from solids laden drilling fluid is provided. The apparatus includes a shale shaker and a screen assembly. The shale shaker includes a base and a basket isolated from the base, a flow tray arranged in the basket for directing screened drilling fluid. The screen assembly includes at least one layer of screening material, a screen support having a perimeter with at least one support point within the perimeter, wherein the flow tray includes at least one raised portion to support the screen assembly. In some versions the shale shaker has a basket having side supports and at least one intermediate support arranged between the side supports. The screen assembly includes a screen support supporting at least one layer of screening material.Type: GrantFiled: October 5, 2017Date of Patent: October 13, 2020Assignee: National Oilwell Varco, L.P.Inventor: George Alexander Burnett
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Patent number: 10150066Abstract: A screen assembly for a shale shaker, the screen assembly including a support structure and at least one layer of screening material thereon. The support structure includes structural members having a thermal expansion coefficient and the at least one layer of screening material has a thermal expansion coefficient. The thermal expansion coefficient of the structural members is substantially equal to the thermal expansion coefficient of the at least one layer of screening material. A method for making a support structure for a screen assembly is also provided. The method includes placing at least one support member in a mold whereupon a flowable plastics material is injected into the mold, whereupon the flowable plastics material hardens, at least a portion of the flowable plastics material forming a brace.Type: GrantFiled: January 10, 2012Date of Patent: December 11, 2018Assignee: National Oilwell Varco, L.P.Inventor: George Alexander Burnett
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Publication number: 20180028947Abstract: An apparatus for separating solids from solids laden drilling fluid is provided. The apparatus includes a shale shaker and a screen assembly. The shale shaker includes a base and a basket isolated from the base, a flow tray arranged in the basket for directing screened drilling fluid. The screen assembly includes at least one layer of screening material, a screen support having a perimeter with at least one support point within the perimeter, wherein the flow tray includes at least one raised portion to support the screen assembly. In some versions the shale shaker has a basket having side supports and at least one intermediate support arranged between the side supports. The screen assembly includes a screen support supporting at least one layer of screening material.Type: ApplicationFiled: October 5, 2017Publication date: February 1, 2018Inventor: George Alexander Burnett
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Patent number: 9815005Abstract: An apparatus for separating solids from solids laden drilling fluid is provided. The apparatus includes a shale shaker and a screen assembly. The shale shaker includes a base and a basket isolated from the base, a flow tray arranged in the basket for directing screened drilling fluid. The screen assembly includes at least one layer of screening material, a screen support having a perimeter with at least one support point within the perimeter, wherein the flow tray includes at least one raised portion to support the screen assembly. In some versions the shale shaker has a basket having side supports and at least one intermediate support arranged between the side supports. The screen assembly includes a screen support supporting at least one layer of screening material.Type: GrantFiled: March 24, 2011Date of Patent: November 14, 2017Assignee: National Oilwell Varco, L.P.Inventor: George Alexander Burnett
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Patent number: 9677353Abstract: Methods and systems are disclosed employing a shale shaker for processing a mixture of drilling fluid and solids with multiple screen assemblies and conversion apparatus for switching flow to the screen assemblies between series flow and parallel flow; and in one aspect, a screen or screens for screening lost circulation material.Type: GrantFiled: September 5, 2013Date of Patent: June 13, 2017Assignee: National Oilwell Varco, L.P.Inventor: George Alexander Burnett
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Patent number: 9364777Abstract: An apparatus for separating solids from solids laden drilling fluid, the apparatus comprising a skid and a basket resiliently suspended thereto and a vibratory mechanism to vibrate the basket, the basket having at least one screen deck for receiving at least one screen, the basket having a feed end at which solids laden drilling fluid is introduced and a discharge end at which solids are discharged through a solids discharge opening, the apparatus further comprising a hood encompassing at least a discharge end of the basket and at least one extraction outlet arranged at the discharge end to remove fume laden air from the basket.Type: GrantFiled: April 23, 2012Date of Patent: June 14, 2016Assignee: National Oilwell Varco, L.P.Inventor: George Alexander Burnett
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Patent number: 9199278Abstract: A method for operating a shale shaker to separate solids from a solids laden fluid, the shale shaker comprising a basket for holding at least one screen and a vibratory mechanism for vibrating the basket to an acceleration value, the method comprising the steps of monitoring the magnitude of the load of solids laden fluid in the basket and adjusting the acceleration value induced in the basket according to the magnitude of the load, wherein the acceleration is stepped down to a low acceleration value below a low load threshold.Type: GrantFiled: March 3, 2011Date of Patent: December 1, 2015Assignee: GLOBALFOUNDRIES Inc.Inventors: Eric Scott, George Alexander Burnett, Khaled El Dorry, Nahum Ronquillo
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Patent number: 9079222Abstract: A shale shaker for separating solids from solids laden drilling fluid is disclosed as having a basket with a scalping screen deck, at least one first screen deck and at least one second screen deck. The basket further may have a flow tray arranged between said scalping screen deck and at least one first screen deck, and a plurality of first ducts and a plurality of second ducts, the plurality of first ducts for directing solids laden drilling fluid to the at least one first screen deck. The second plurality of second ducts are for directing solids laden drilling fluid to said second screen deck.Type: GrantFiled: April 30, 2010Date of Patent: July 14, 2015Assignee: National Oilwell Varco, L.P.Inventors: George Alexander Burnett, Thomas Robert Larson
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Patent number: 9073104Abstract: Generally, the present disclosure is related to systems and methods for separating hydrocarbons and/or other liquids from drill cuttings material. One illustrative embodiment disclosed herein is directed to a system that includes, among other things, a thermal reactor that is adapted to remove liquid from drill cuttings material by heating the drill cuttings material to at least a first temperature that is sufficiently high enough to vaporize the liquid. The illustrative system also includes a feeder system that is adapted to controllably feed a flow of the drill cuttings material to the thermal reactor, and a control system that is adapted to control the flow of the drill cuttings material from the feeder system so as to maintain a temperature in the thermal reactor at or above the first temperature.Type: GrantFiled: September 20, 2011Date of Patent: July 7, 2015Assignee: National Oilwell Varco, L.P.Inventors: George Alexander Burnett, Brian Bender Madsen, Dale Alton Pierce
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Publication number: 20150153102Abstract: A method of treating drilling cuttings includes controllably feeding a flow of drill cuttings material to a thermal reactor, removing liquid from the drill cuttings material with the thermal reactor, and increasing the flow of drill cuttings material to the thermal reactor when a temperature in the thermal reactor decreases.Type: ApplicationFiled: January 19, 2015Publication date: June 4, 2015Inventors: George Alexander Burnett, Brian Bender Madsen, Dale Alton Pierce
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Publication number: 20140190905Abstract: An apparatus for separating solids from solids laden drilling fluid, the apparatus comprising a skid and a basket resiliently suspended thereto and a vibratory mechanism to vibrate the basket, the basket having at least one screen deck for receiving at least one screen, the basket having a feed end at which solids laden drilling fluid is introduced and a discharge end at which solids are discharged through a solids discharge opening, the apparatus further comprising a hood encompassing at least a discharge end of the basket and at least one extraction outlet arranged at the discharge end to remove fume laden air from the basket.Type: ApplicationFiled: April 23, 2012Publication date: July 10, 2014Applicant: NATIONAL OILWELL VARCO, L.P.Inventor: George Alexander Burnett
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Publication number: 20140054216Abstract: A screen assembly for a shale shaker, the screen assembly including a support structure and at least one layer of screening material thereon. The support structure includes structural members having a thermal expansion coefficient and the at least one layer of screening material has a thermal expansion coefficient. The thermal expansion coefficient of the structural members is substantially equal to the thermal expansion coefficient of the at least one layer of screening material. A method for making a support structure for a screen assembly is also provided. The method includes placing at least one support member in a mold whereupon a flowable plastics material is injected into the mould, whereupon the flowable plastics material hardens, at least a portion of the flowable plastics material forming a brace.Type: ApplicationFiled: January 10, 2012Publication date: February 27, 2014Applicant: NATIONAL OILWELL VARCO, L.P.Inventor: George Alexander Burnett
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Publication number: 20140021120Abstract: Methods and systems are disclosed employing a shale shaker for processing a mixture of drilling fluid and solids with multiple screen assemblies and conversion apparatus for switching flow to the screen assemblies between series flow and parallel flow; and in one aspect, a screen or screens for screening lost circulation material.Type: ApplicationFiled: September 5, 2013Publication date: January 23, 2014Applicant: National Oilwell Varco, L.P.Inventor: George Alexander Burnett
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Patent number: 8556083Abstract: Methods and systems are disclosed employing a shale shaker for processing a mixture of drilling fluid and solids with multiple screen assemblies and conversion apparatus for switching flow to the screen assemblies between series flow and parallel flow; and in one aspect, a screen or screens for screening lost circulation material.Type: GrantFiled: June 24, 2009Date of Patent: October 15, 2013Assignee: National Oilwell Varco L.P.Inventor: George Alexander Burnett
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Patent number: 8533974Abstract: The present disclosure is generally directed to systems that are used for reclaiming components of wellbore cuttings material. In one illustrative embodiment, a system is disclosed that includes, among other things, a dryer that is adapted to receive a drill cuttings mixture that includes drilling fluid and cuttings material, the dryer being further adapted to treat the drill cuttings mixture by drying the cuttings material below a preselected moisture content level. The system also includes a moisture sensor that is adapted to sense a moisture content of the cuttings material after it is dried by the dryer, and a cuttings reinjection system that is adapted to reinject the dried cuttings material into a well bore. Additionally, the system includes a conveyor system that is adapted to convey the dried cuttings material to the cuttings reinjection system, wherein the conveyor system includes, among other things, a positive pressure pneumatic conveying apparatus.Type: GrantFiled: October 23, 2012Date of Patent: September 17, 2013Assignee: Varco I/P, Inc.Inventor: George Alexander Burnett
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Publication number: 20130105412Abstract: An apparatus for separating solids from solids laden drilling fluid is provided. The apparatus includes a shale shaker and a screen assembly. The shale shaker includes a base and a basket isolated from the base, a flow tray arranged in the basket for directing screened drilling fluid. The screen assembly includes at least one layer of screening material, a screen support having a perimeter with at least one support point within the perimeter, wherein the flow tray includes at least one raised portion to support the screen assembly. In some versions the shale shaker has a basket having side supports and at least one intermediate support arranged between the side supports. The screen assembly includes a screen support supporting at least one layer of screening material.Type: ApplicationFiled: March 24, 2011Publication date: May 2, 2013Applicant: National Oilwell Varco, L.P.Inventor: George Alexander Burnett
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Patent number: 8316557Abstract: A screen assembly for a shale shaker comprising a panel (500) and a support structure (600), the panel (500) having an area provided with a multiplicity of apertures and at least one layer of screening material arranged over the multiplicity of apertures, wherein said panel (500) is removable from said support structure (600).Type: GrantFiled: May 21, 2009Date of Patent: November 27, 2012Assignee: Varco I/P, Inc.Inventor: George Alexander Burnett
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Publication number: 20120073932Abstract: Generally, the present disclosure is related to systems and methods for separating hydrocarbons and/or other liquids from drill cuttings material. One illustrative embodiment disclosed herein is directed to a system that includes, among other things, a thermal reactor that is adapted to remove liquid from drill cuttings material by heating the drill cuttings material to at least a first temperature that is sufficiently high enough to vaporize the liquid. The illustrative system also includes a feeder system that is adapted to controllably feed a flow of the drill cuttings material to the thermal reactor, and a control system that is adapted to control the flow of the drill cuttings material from the feeder system so as to maintain a temperature in the thermal reactor at or above the first temperature.Type: ApplicationFiled: September 20, 2011Publication date: March 29, 2012Inventors: George Alexander Burnett, Brian Bender Madsen, Dale Alton Pierce