Patents by Inventor Weijian Mo
Weijian Mo 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: 10400563Abstract: Methods and systems for treating a subsurface hydrocarbon formation are described herein. In some embodiments, method for treating a subsurface hydrocarbon formation is provide wherein the hydrocarbon formation comprises a kerogen containing formation that is adjacent to a formation containing liquid hydrocarbons and not having a natural recharging system, the method comprising the steps of: providing heat sources in the kerogen containing formation; energizing the heat sources to heat the kerogen containing formation; heating at least a portion of the kerogen containing formation to a temperature and for a time period sufficient to pyrolyze at least some of the kerogen; limiting production of pyrolyzed hydrocarbons so that the pyrolyzed hydrocarbons increase the pressure within the formation containing liquid hydrocarbons; and producing hydrocarbons from the formation containing liquid hydrocarbons.Type: GrantFiled: November 23, 2015Date of Patent: September 3, 2019Assignee: Salamander Solutions, LLCInventors: Weijian Mo, John Michael Karanikas, Bernardus Van Den Brule
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Patent number: 9399907Abstract: Methods and systems for treating a subsurface hydrocarbon formation are described herein. A method for treating a subsurface hydrocarbon formation includes applying electrical current to a one or more heating elements positioned in a first tubular located in an opening in the subsurface hydrocarbon formation; providing fluid through a second tubular positioned in the first tubular in the subsurface hydrocarbon formation such that a portion of the fluid flows between the first tubular and second tubular and along a length of the tubulars; allowing the fluid to flow into a hydrocarbon layer in the subsurface hydrocarbon formation; and allowing heat to transfer from at least one of the heating elements and the fluid to a portion of the hydrocarbon layer in the subsurface hydrocarbon formation.Type: GrantFiled: November 18, 2014Date of Patent: July 26, 2016Assignee: Shell Oil CompanyInventors: Weijian Mo, Faruk Ömer Alpak
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Publication number: 20160145985Abstract: Methods and systems for treating a subsurface hydrocarbon formation are described herein. In some embodiments, method for treating a subsurface hydrocarbon formation is provide wherein the hydrocarbon formation comprises a kerogen containing formation that is adjacent to a formation containing liquid hydrocarbons and not having a natural recharging system, the method comprising the steps of: providing heat sources in the kerogen containing formation; energizing the heat sources to heat the kerogen containing formation; heating at least a portion of the kerogen containing formation to a temperature and for a time period sufficient to pyrolyze at least some of the kerogen; limiting production of pyrolyzed hydrocarbons so that the pyrolyzed hydrocarbons increase the pressure within the formation containing liquid hydrocarbons; and producing hydrocarbons from the formation containing liquid hydrocarbons.Type: ApplicationFiled: November 23, 2015Publication date: May 26, 2016Inventors: Weijian MO, John Michael KARANIKAS, Bernardus VAN DEN BRULE
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Publication number: 20150136399Abstract: Methods and systems for treating a subsurface hydrocarbon formation are described herein. A method for treating a subsurface hydrocarbon formation includes applying electrical current to a one or more heating elements positioned in a first tubular located in an opening in the subsurface hydrocarbon formation; providing fluid through a second tubular positioned in the first tubular in the subsurface hydrocarbon formation such that a portion of the fluid flows between the first tubular and second tubular and along a length of the tubulars; allowing the fluid to flow into a hydrocarbon layer in the subsurface hydrocarbon formation; and allowing heat to transfer from at least one of the heating elements and the fluid to a portion of the hydrocarbon layer in the subsurface hydrocarbon formation.Type: ApplicationFiled: November 18, 2014Publication date: May 21, 2015Inventor: Weijian MO
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Patent number: 8920630Abstract: A system comprising a riser reactor comprising a gas oil feedstock and a first catalyst under catalytic cracking conditions to yield a riser reactor product comprising a cracked gas oil product and a first used catalyst; a intermediate reactor comprising at least a portion of the cracked gas oil product and a second catalyst under high severity conditions to yield a cracked intermediate reactor product and a second used catalyst; wherein the intermediate reactor feedstock comprises at least one of a fatty acid and a fatty acid ester.Type: GrantFiled: April 10, 2008Date of Patent: December 30, 2014Assignee: Shell Oil CompanyInventors: George A. Hadjigeorge, Weijian Mo, Colin John Schaverien
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Publication number: 20130269935Abstract: A method for treating a tar sands formation includes providing heated fluid to a first section of the hydrocarbon layer while providing heat to a second section of a hydrocarbon layer in the formation from a plurality of heaters located in the formation. The second section is vertically displaced from the first section. Heat is allowed to transfer from the heaters and heated water to at least a portion of the formation. Fluids are allowed to gravity drain to a third section of the hydrocarbon formation. Fluids are produced from the formation through at least one production well that is located in the third section of the formation.Type: ApplicationFiled: October 4, 2012Publication date: October 17, 2013Inventors: Renfeng Richard CAO, Namit JAISWAL, Jeroen Cornelis VINK, Weijian MO
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Patent number: 8434555Abstract: A method of heating a subsurface hydrocarbon containing formation includes providing heat flux per volume to a first portion of a subsurface hydrocarbon containing formation. The heat flux per volume is provided by two or more first heat sources positioned in the first portion. Heat flux per volume is provided to a second portion of the subsurface hydrocarbon containing formation with the heat flux per volume being provided by two or more second heat sources positioned in the second portion. The heat flux per volume provided by the two or more second heat sources is greater than the heat flux per volume provided by the two or more first heat sources. The second portion is positioned below the first portion.Type: GrantFiled: April 9, 2010Date of Patent: May 7, 2013Assignee: Shell Oil CompanyInventors: Robert Bos, Dirk Roelof Brouwer, Tulio Rafael Colmenares, Eric Pierre De Rouffignac, Jean-Charles Ginestra, Namit Jaiswal, John Michael Karanikas, Zhen Li, Weijian Mo, Robert George Prince-Wright, John Andrew Stanecki, Zuher Syihab
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Publication number: 20130001130Abstract: A fluidized catalytic cracking process and system that provide for the processing of hydrocarbon feedstocks to selectively produce a middle distillate boiling range product and lower olefins. The inventive process uses two riser reactors each having associated therewith a separator/stripper for separating the cracked product and cracking catalyst received from the respective riser reactor and a single regenerator for regenerating coked or spent cracking catalyst received from the separator/strippers. The two riser reactors, two separator/strippers and regenerator are operatively integrated to provide a process system for carrying out the process of the invention.Type: ApplicationFiled: June 28, 2012Publication date: January 3, 2013Applicant: SHELL OIL COMPANYInventor: Weijian MO
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Publication number: 20120085535Abstract: Systems and methods for heaters used in treating a subsurface formation are described herein. Some embodiments also generally relate to heaters that have novel components therein. Such heaters may be obtained by using the systems and methods described. Some embodiments also generally relate to systems, methods, and/or processes for treating fluid produced from the subsurface formation.Type: ApplicationFiled: October 7, 2011Publication date: April 12, 2012Inventors: Weijian Mo, Renfeng Richard Cao
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Patent number: 8151880Abstract: A method for producing alkylated hydrocarbons is disclosed. Formation fluid is produced from a subsurface in situ heat treatment process. The formation fluid is separated to produce a liquid stream and a first gas stream. The first gas stream includes olefins. The liquid stream is fractionated to produce at least a second gas stream including hydrocarbons having a carbon number of at least 3. The first gas stream and the second gas stream are introduced into an alkylation unit to produce alkylated hydrocarbons. At least a portion of the olefins in the first gas stream enhance alkylation. The alkylated hydrocarbons may be blended with one or more components to produce transportation fuel.Type: GrantFiled: December 9, 2010Date of Patent: April 10, 2012Assignee: Shell Oil CompanyInventors: Augustinus Wilhelmus Maria Roes, Weijian Mo, Michel Serge Marie Muylle, Remco Hugo Mandema, Vijay Nair
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Publication number: 20110168394Abstract: A method for producing alkylated hydrocarbons is disclosed. Formation fluid is produced from a subsurface in situ heat treatment process. The formation fluid is separated to produce a liquid stream and a first gas stream. The first gas stream includes olefins. The liquid stream is fractionated to produce at least a second gas stream including hydrocarbons having a carbon number of at least 3. The first gas stream and the second gas stream are introduced into an alkylation unit to produce alkylated hydrocarbons. At least a portion of the olefins in the first gas stream enhance alkylation. The alkylated hydrocarbons may be blended with one or more components to produce transportation fuel.Type: ApplicationFiled: December 9, 2010Publication date: July 14, 2011Inventors: Augustinus Wilhelmus Maria Roes, Weijian Mo, Michel Serge Marie Muylle, Remco Hugo Mandema, Vijay Nair
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Publication number: 20110042084Abstract: A method of heating a subsurface hydrocarbon containing formation includes providing heat flux per volume to a first portion of a subsurface hydrocarbon containing formation. The heat flux per volume is provided by two or more first heat sources positioned in the first portion. Heat flux per volume is provided to a second portion of the subsurface hydrocarbon containing formation with the heat flux per volume being provided by two or more second heat sources positioned in the second portion. The heat flux per volume provided by the two or more second heat sources is greater than the heat flux per volume provided by the two or more first heat sources. The second portion is positioned below the first portion.Type: ApplicationFiled: April 9, 2010Publication date: February 24, 2011Inventors: Robert Bos, Dirk Roelof Brouwer, Tulio Rafael Colmenares, Eric Pierre De Rouffignac, Jean-Charles Ginestra, Namit Jaiswal, Zhen Li, Weijian Mo, John Michael Karanikas, Robert George Prince-Wright, John Andrew Stanecki, Zuher Syihab
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Publication number: 20110034647Abstract: A system comprising a riser reactor comprising a gas oil feedstock and a first catalyst under catalytic cracking conditions to yield a riser reactor product comprising a cracked gas oil product and a first used catalyst; an intermediate reactor comprising at least a portion of the cracked gas oil product, a raffinate stream, and a second catalyst under high severity conditions to yield a cracked intermediate product and a second used catalyst; and a recycle conduit to send at least a portion of the cracked gas oil product to the riser reactor.Type: ApplicationFiled: November 20, 2008Publication date: February 10, 2011Inventors: Weijian Mo, George A. Hadjigeorge
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Patent number: 7866386Abstract: Methods and systems for treating a hydrocarbon containing formation described herein include providing heat to a first portion of the formation from a plurality of heaters in the first portion, producing produced through one or more production wells in a second portion of the formation, reducing or turning off heat provided to the first portion after a selected time, providing an oxidizing fluid through one or more of the heater wells in the first portion, providing heat to the first portion and the second portion through oxidation of at least some hydrocarbons in the first portion, and producing fluids through at least one of the production wells in the second portion. The produced fluids may include at least some oxidized hydrocarbons produced in the first portion.Type: GrantFiled: October 13, 2008Date of Patent: January 11, 2011Assignee: Shell Oil CompanyInventors: Gary Lee Beer, Weijian Mo, Busheng Li, Chonghui Shen
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Publication number: 20100324232Abstract: A system comprising a riser reactor comprising a gas oil feedstock and a first catalyst under catalytic cracking conditions to yield a riser reactor product comprising a cracked gas oil product and a first used catalyst, a intermediate reactor comprising at least a portion of the cracked gas oil product and a second catalyst under high severity conditions to yield a cracked gasoline product and a second used catalyst, and a recycle conduit to send at least a portion of the cracked gas oil product to the riser reactor.Type: ApplicationFiled: October 8, 2008Publication date: December 23, 2010Inventors: Weijian Mo, William Cross Glenn, George A. Hadjigeorge, Wallace Phelps Wilkins
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Publication number: 20100200460Abstract: A system comprising a riser reactor for contacting a gas oil feedstock with a catalytic cracking catalyst under catalytic cracking conditions to yield a riser reactor product comprising a cracked gas oil product and a spent cracking catalyst; a separator for separating said riser reactor product into said cracked gas oil product and said spent cracking catalyst; a regenerator for regenerating said spent cracking catalyst to yield a regenerated catalyst; a intermediate reactor for contacting a gasoline feedstock with said regenerated catalyst under high severity conditions to yield a cracked gasoline product and a used regenerated catalyst; a first conduit connected to the intermediate reactor and the riser reactor, the first conduit adapted to send the used regenerated catalyst to the riser reactor to be used as the catalytic cracking catalyst; and a second conduit connected to the intermediate reactor and the regenerator, the second conduit adapted to send the used regenerated catalyst to the regenerator toType: ApplicationFiled: April 28, 2008Publication date: August 12, 2010Applicant: SHELL OIL COMPANYInventors: David John Brosten, George A. Hadjigeorge, Weijian Mo, Rene Samson
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Publication number: 20100163455Abstract: A system comprising a riser reactor comprising a gas oil feedstock and a first catalyst under catalytic cracking conditions to yield a riser reactor product comprising a cracked gas oil product and a first used catalyst; a intermediate reactor comprising at least a portion of the cracked gas oil product and a second catalyst under high severity conditions to yield a cracked intermediate reactor product and a second used catalyst; wherein the intermediate reactor feedstock comprises at least one of a fatty acid and a fatty acid ester.Type: ApplicationFiled: April 10, 2008Publication date: July 1, 2010Inventors: George A. Hadjigeorge, Weijian Mo, Colin John Schaverien
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Patent number: 7717171Abstract: A method for treating a tar sands formation is disclosed. The method includes heating a first portion of a hydrocarbon layer in the formation from one or more heaters located in the first portion. The heat is controlled to increase a fluid injectivity of the first portion. A drive fluid and/or an oxidizing fluid is injected and/or created in the first portion to cause at least some hydrocarbons to move from a second portion of the hydrocarbon layer to a third portion of the hydrocarbon layer. The second portion is between the first portion and the third portion. The first, second, and third portions are horizontally displaced from each other. The third portion is heated from one or more heaters located in the third portion. Hydrocarbons are produced from the third portion of the formation. The hydrocarbons include at least some hydrocarbons from the second portion of the formation.Type: GrantFiled: October 19, 2007Date of Patent: May 18, 2010Assignee: Shell Oil CompanyInventors: George Leo Stegemeier, Ramesh Raju Mudunuri, Harold J. Vinegar, John Michael Karanikas, Namit Jaiswal, Weijian Mo
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Publication number: 20100076096Abstract: A process for the preparation of alkylate and middle distillate, the process comprising: (a) catalytically cracking a first hydrocarbon feedstock by contacting the feedstock with a cracking catalyst comprising a shape-selective additive at a temperature in the range of from 450 to 650° C. within a riser or downcomer reaction zone to yield a first cracked product comprising middle distillate and a spent cracking catalyst; (b) regenerating the spent cracking catalyst to yield a regenerated cracking catalyst; (c) contacting, within a second reaction zone, at least part of the regenerated cracking catalyst obtained in step (b) with a second hydrocarbon feedstock at a temperature in the range of from 500 to 800° C.Type: ApplicationFiled: February 4, 2008Publication date: March 25, 2010Inventors: Hans Peter Alexander Calis, Georghios Agamemnonons Hadjigeorge, Weijian Mo, Easwar Santhosh Ranganathan
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Publication number: 20100018902Abstract: Method of producing a total product are described. A method includes providing a feed and a supported inorganic salt catalyst to a contacting zone. Contact of the supported inorganic salt catalyst with the feed in the presence of a hydrogen source and steam in the contacting zone at a temperature of at most 1000° C. and a total operating pressure of at most 4 MPa produces the total product.Type: ApplicationFiled: September 30, 2009Publication date: January 28, 2010Inventors: Thomas Fairchild Brownscombe, Scott Lee Wellington, Eswarachandra Kumar Paruchuri, Weijian Mo, William Douglas Gillespie, Chen Elizabeth Ramachandran, Susan Secor Pfrehm, David William Wallace