Patent application number | Description | Published |
20090194282 | IN SITU OXIDATION OF SUBSURFACE FORMATIONS - 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. | 08-06-2009 |
20090301724 | METHODS OF PRODUCING ALKYLATED HYDROCARBONS FROM AN IN SITU HEAT TREATMENT PROCESS LIQUID - 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. | 12-10-2009 |
20100018902 | METHODS FOR PRODUCING A TOTAL PRODUCT AT SELECTED TEMPERATURES - 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 | 01-28-2010 |
20100076096 | PROCESS FOR THE PREPARATION OF ALKYLATE AND MIDDLE DISTILLATE - 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. to yield a second cracked product and a used regenerated catalyst, the second feedstock comprising at least 70 wt % C | 03-25-2010 |
20100163455 | SYSTEMS AND METHODS FOR MAKING A MIDDLE DISTILLATE PRODUCT AND LOWER OLEFINS FROM A HYDROCARBON FEEDSTOCK - 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. | 07-01-2010 |
20100200460 | SYSTEMS AND METHODS FOR MAKING A MIDDLE DISTILLATE PRODUCT AND LOWER OLEFINS FROM A HYDROCARBON FEEDSTOCK - 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 to yield a regenerated catalyst. | 08-12-2010 |
20100324232 | SYSTEMS AND METHODS FOR MAKING A MIDDLE DISTILLATE PRODUCT AND LOWER OLEFINS FROM A HYDROCARBON FEEDSTOCK - 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. | 12-23-2010 |
20110034647 | SYSTEMS AND METHODS FOR MAKING A MIDDLE DISTILLATE PRODUCT AND LOWER OLEFINS FROM A HYDROCARBON FEEDSTOCK - 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. | 02-10-2011 |
20110042084 | IRREGULAR PATTERN TREATMENT OF A SUBSURFACE FORMATION - 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. | 02-24-2011 |
20110168394 | METHODS OF PRODUCING ALKYLATED HYDROCARBONS FROM AN IN SITU HEAT TREATMENT PROCESS LIQUID - 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. | 07-14-2011 |
20120085535 | METHODS OF HEATING A SUBSURFACE FORMATION USING ELECTRICALLY CONDUCTIVE PARTICLES - 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. | 04-12-2012 |
20130001130 | DUAL RISER CATALYTIC CRACKING PROCESS FOR MAKING MIDDLE DISTILLATE AND LOWER OLEFINS - 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. | 01-03-2013 |
20130269935 | TREATING HYDROCARBON FORMATIONS USING HYBRID IN SITU HEAT TREATMENT AND STEAM METHODS - 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. | 10-17-2013 |