Method and system for extraction of hydrocarbons from oil shale and limestone formations

Abstract

A system and method for extracting hydrocarbon products from limestone using nuclear energy sources for energy to fracture the limestone formations and provide sufficient heat and pressure to produce liquid and gaseous hydrocarbon products. Embodiments of the present invention also disclose steps for extracting the hydrocarbon products from the limestone formations.

1 . A method for recovering hydrocarbon products, the method comprising the steps of:
 producing thermal energy using a nuclear reactor;   providing said thermal energy to a supercritical material generator;   providing a material to said supercritical material generator;   producing a supercritical material flow from said supercritical material generator using a high pressure pump;   injecting said supercritical material flow into fracturing wells wherein said fracturing wells are disposed in an limestone formation; and   fracturing said limestone formation using heat of said supercritical material flow from said fracturing wells.   
   
   
       2 . A method as recited in  claim 1 , further comprising the steps of:
 providing said thermal energy to a hot gas generator;   providing a gas to said hot gas generator;   producing a high pressure hot gas flow from said hot gas generator using a high pressure pump; and   injecting said high pressure hot gas flow into injection wells wherein said injection wells are disposed in said limestone formation.   
   
   
       3 . A method as recited in  claim 2 , further comprising the steps of:
 retorting limestone in said limestone formation using heat from said hot gas flow to produce hydrocarbon products; and   extracting said hydrocarbon products from said injection wells.   
   
   
       4 . A method as recited in  claim 3 , wherein the step of extracting includes a product recovery system coupled to said injection wells in a configuration for collection of gaseous and liquefied hydrocarbons released during the step of retorting. 
   
   
       5 . A method as recited in  claim 3 , further comprising the step of recovering residual gas from the step of retorting via a recycle system, said residual gas being injected with said hot gas generator. 
   
   
       6 . A method as recited in  claim 1 , further comprising the steps of:
 providing said thermal energy to a steam generator;   providing water to said steam generator;   producing steam from said steam generator;   injecting said steam into a steam turbine to generate mechanical energy;   providing said mechanical energy to an electric generator;   generating current from said electric generator from said mechanical energy; and   powering electric resistance heaters with said current, said heaters being disposed with injection wells wherein said injection wells are disposed in said limestone formation.   
   
   
       7 . A method as recited in  claim 6 , further comprising the steps of:
 retorting limestone in said limestone formation using heat from said heaters to produce hydrocarbon products; and   extracting said hydrocarbon products from said injection wells.   
   
   
       8 . A method as recited in  claim 7 , wherein the step of extracting includes a product recovery system coupled to said injection wells in a configuration for collection of gaseous and liquefied hydrocarbons released during the step of retorting. 
   
   
       9 . A method as recited in  claim 1 , further comprising the steps of:
 providing said thermal energy to a molten salt or liquid metal generator;   providing a salt or metal to said molten salt or liquid metal generator;   producing a molten salt or liquid metal flow from said molten salt or liquid metal generator using a pump; and   injecting said molten salt or liquid metal flow into bayonet injection wells wherein said injection wells are disposed in said limestone formation.   
   
   
       10 . A method as recited in  claim 9 , further comprising the steps of:
 retorting limestone in said limestone formation using heat from said molten salt or liquid metal flow to produce hydrocarbon products; and   extracting said hydrocarbon products from said injection well.   
   
   
       11 . A method as recited in  claim 10 , wherein the step of extracting includes a product recovery system coupled to said injection wells in a configuration for collection of gaseous and liquefied hydrocarbons released during the step of retorting. 
   
   
       12 . A method as recited in  claim 10 , further comprising the step of recovering residual salt or metal from the step of retorting via a recycle system, said residual salt or metal being injected with said molten salt or liquid metal generator. 
   
   
       13 . A method as recited in  claim 1 , further comprising the steps of:
 providing said thermal energy to a steam generator;   providing water to said steam generator;   producing steam from said steam generator;   injecting said steam into a steam turbine to generate mechanical energy;   providing said mechanical energy to an electric generator;   generating current from said electric generator from said mechanical energy; and   powering oscillators with said current to create radio frequencies to produce heat, said oscillators being disposed with injection wells wherein said injection wells are disposed in said limestone formation.   
   
   
       14 . A method as recited in  claim 13 , further comprising the steps of:
 retorting limestone in said limestone formation using heat from said oscillators to produce hydrocarbon products; and   extracting said hydrocarbon products from said injection wells.   
   
   
       15 . A method as recited in  claim 13 , wherein the step of extracting includes a product recovery system coupled to said injection wells in a configuration for collection of gaseous and liquefied hydrocarbons released during the step of retorting. 
   
   
       16 . A method as recited in  claim 1 , further comprising the step of constructing an infrastructure in said limestone formation, said infrastructure being formed by horizontal and vertical direction drilling in a configuration to increase permeability and porosity of said limestone formation. 
   
   
       17 . A method for recovering hydrocarbon products, the method comprising the steps of:
 producing thermal energy using a nuclear reactor;   providing said thermal energy to a hot gas generator;   providing a gas to said hot gas generator;   producing a high pressure hot gas flow from said hot gas generator using a high pressure pump;   injecting said high pressure hot gas flow into injection wells wherein said injection wells are disposed in an limestone formation;   retorting limestone in said limestone formation using heat from said hot gas flow to produce hydrocarbon products; and   extracting said hydrocarbon products from said injection wells.   
   
   
       18 . A method for recovering hydrocarbon products, the method comprising the steps of:
 producing thermal energy using a nuclear reactor;   providing said thermal energy to a steam generator;   providing water to said steam generator;   producing steam from said steam generator;   injecting said steam into a steam turbine to generate mechanical energy;   providing said mechanical energy to an electric generator;   generating current from said electric generator from said mechanical energy;   powering electric resistance heaters with said current, said heaters being disposed with injection wells wherein said injection wells are disposed in an limestone formation;   retorting limestone in said limestone formation using heat from said heaters to produce hydrocarbon products; and   extracting said hydrocarbon products from said injection wells.   
   
   
       19 . A method for recovering hydrocarbon products, the method comprising the steps of:
 producing thermal energy using a nuclear reactor;   providing said thermal energy to a molten salt or liquid metal generator;   providing a salt or metal to said molten salt or liquid metal generator;   producing a molten salt or liquid -metal flow from said molten salt or liquid metal generator using a pump;   injecting said molten salt or liquid metal flow into bayonet injection wells wherein said injection wells are disposed in an limestone formation;   retorting limestone in said limestone formation using heat from said molten salt or liquid metal flow to produce hydrocarbon products; and   extracting said hydrocarbon products from said injection well.   
   
   
       20 . A method for recovering hydrocarbon products, the method comprising the steps of:
 producing thermal energy using a nuclear reactor;   providing said thermal energy to a steam generator;   providing water to said steam generator;   producing steam from said steam generator;   injecting said steam into a steam turbine to generate mechanical energy;   providing said mechanical energy to an electric generator;   generating current from said electric generator from said mechanical energy;   powering oscillators with said current to create radio frequencies to produce heat, said oscillators being disposed with injection wells wherein said injection wells are disposed in a limestone formation;   retorting limestone in said limestone formation using heat from said oscillators to produce hydrocarbon products; and   extracting said hydrocarbon products from said injection wells.   
   
   
       21 . A method as recited in  claim 1 , wherein the step of injecting includes said fracturing wells being disposed in a formation including limestone and oil shale. 
   
   
       22 . A method as recited in  claim 3 , wherein the step of retorting includes retorting oil shale and limestone.