Cogeneration systems and processes for treating hydrocarbon containing formations
First Claim
1. A system for treating a hydrocarbon containing formation, comprising:
- a steam and electricity cogeneration facility;
at least one injection well located in a first portion of the formation, the injection well configured to provide steam from the steam and electricity cogeneration facility to the first portion of the formation;
at least one production well located in the first portion of the formation, the production well configured to produce first hydrocarbons;
at least one electrical heater located in a second portion of the formation, at least one of the electrical heaters configured to be powered by electricity from the steam and electricity cogeneration facility;
at least one production well located in the second portion of the formation, the production well configured to produce second hydrocarbons; and
the steam and electricity cogeneration facility being configured to use at least a portion of the first hydrocarbons and/or the second hydrocarbons to generate electricity, wherein at least a portion of the generated electricity is made in one or more generators, and at least some exhaust heat from at least one of the generators is configured to be used to make steam.
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Accused Products
Abstract
A system for treating a hydrocarbon containing formation includes a steam and electricity cogeneration facility. At least one injection well is located in a first portion of the formation. The injection well provides steam from the steam and electricity cogeneration facility to the first portion of the formation. At least one production well is located in the first portion of the formation. The production well in the first portion produces first hydrocarbons. At least one electrical heater is located in a second portion of the formation. At least one of the electrical heaters is powered by electricity from the steam and electricity cogeneration facility. At least one production well is located in the second portion of the formation. The production well in the second portion produces second hydrocarbons. The steam and electricity cogeneration facility uses the first hydrocarbons and/or the second hydrocarbons to generate electricity.
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Citations
40 Claims
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1. A system for treating a hydrocarbon containing formation, comprising:
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a steam and electricity cogeneration facility; at least one injection well located in a first portion of the formation, the injection well configured to provide steam from the steam and electricity cogeneration facility to the first portion of the formation; at least one production well located in the first portion of the formation, the production well configured to produce first hydrocarbons; at least one electrical heater located in a second portion of the formation, at least one of the electrical heaters configured to be powered by electricity from the steam and electricity cogeneration facility; at least one production well located in the second portion of the formation, the production well configured to produce second hydrocarbons; and the steam and electricity cogeneration facility being configured to use at least a portion of the first hydrocarbons and/or the second hydrocarbons to generate electricity, wherein at least a portion of the generated electricity is made in one or more generators, and at least some exhaust heat from at least one of the generators is configured to be used to make steam. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for treating a hydrocarbon containing formation, comprising:
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providing steam to a first portion of the formation; producing at least some first hydrocarbons from the first portion of the formation; providing heat from one or more electrical heaters to a second portion of the formation; allowing the provided heat to transfer from the heaters to the second portion of the formation; producing at least some second hydrocarbons from the second portion of the formation; using at least a portion of the first hydrocarbons and/or the second hydrocarbons in a steam and electricity generation facility, wherein the facility provides steam to the first portion of the formation and electricity for at least some of the heaters; and using at least a portion of the second hydrocarbons as a gas for one or more additional heaters in the formation, wherein at least one of the additional heaters is configured to combust the gas. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A method for treating a hydrocarbon containing formation, comprising:
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providing steam to a first portion of the formation; providing heat from one or more electrical heaters to the first portion of the formation; producing first hydrocarbons and/or second hydrocarbons from the first portion of the formation; providing heat from one or more electrical heaters to a second portion of the formation; allowing the provided heat to transfer from the heaters to the second portion of the formation; producing second hydrocarbons from the second portion of the formation; and using the first hydrocarbons and/or the second hydrocarbons in a steam and electricity generation facility, wherein the facility provides steam to the first portion of the formation and electricity for at least some of the heaters. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30)
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31. A method for treating a hydrocarbon containing formation, comprising:
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providing steam to a first portion of the formation; producing first hydrocarbons from the first portion of the formation; providing heat from one or more electrical heaters to a second portion of the formation; allowing the provided heat to transfer from the heaters to the second portion of the formation; providing steam to the second portion of the formation; producing first hydrocarbons and/or second hydrocarbons from the second portion of the formation; using the first hydrocarbons and/or the second hydrocarbons in a steam and electricity generation facility, wherein the facility provides steam to the first portion or the second portion of the formation and electricity for at least some of the heaters; and providing heat from one or more electrical heaters to the first portion of the formation, and producing first hydrocarbons and/or second hydrocarbons from the first portion of the formation. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38)
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39. A system for treating a hydrocarbon containing formation, comprising:
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a steam and electricity cogeneration facility; at least one injection well located in a first portion of the formation, the injection well configured to provide steam from the steam and electricity cogeneration facility to the first portion of the formation; at least one production well located in the first portion of the formation, the production well configured to produce first hydrocarbons; at least one electrical heater located in a second portion of the formation, at least one of the electrical heaters configured to be powered by electricity from the steam and electricity cogeneration facility; at least one production well located in the second portion of the formation, the production well configured to produce second hydrocarbons; wherein the first and second portions are separated from each other by a barrier or by a substantially impermeable zone of the formation; and the steam and electricity cogeneration facility is configured to use at least a portion of the first hydrocarbons and/or the second hydrocarbons to generate electricity.
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40. A system for treating a hydrocarbon containing formation, comprising:
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a steam and electricity cogeneration facility; at least one injection well located in a first portion of the formation, the injection well configured to provide steam from the steam and electricity cogeneration facility to the first portion of the formation; at least one production well located in the first portion of the formation, the production well configured to produce first hydrocarbons; at least one electrical heater located in a second portion of the formation, at least one of the electrical heaters configured to be powered by electricity from the steam and electricity cogeneration facility; at least one production well located in the second portion of the formation, the production well configured to produce second hydrocarbons; wherein the first portion is at a depth that is different from the second portion, and the first portion comprises different initial hydrocarbon properties than the second portion; and the steam and electricity cogeneration facility is configured to use at least a portion of the first hydrocarbons and/or the second hydrocarbons to generate electricity.
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Specification