Methods of making transportation fuel
First Claim
1. A method of making transportation fuel, comprising:
- providing formation fluid produced from a subsurface in situ heat treatment process;
separating the formation fluid to produce a liquid stream and a first gas stream, wherein the first gas stream comprises olefins;
fractionating at least a portion of the liquid stream to produce at least a second gas stream comprising hydrocarbons having a carbon number of at least 3;
introducing at least a portion of the first gas stream and at least a portion of the second gas stream into an alkylation unit to produce alkylated hydrocarbons, wherein the olefins in the first gas stream enhance alkylation; and
forming transportation fuel with at least a portion of the alkylated hydrocarbons.
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Abstract
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.
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Citations
20 Claims
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1. A method of making transportation fuel, comprising:
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providing formation fluid produced from a subsurface in situ heat treatment process; separating the formation fluid to produce a liquid stream and a first gas stream, wherein the first gas stream comprises olefins; fractionating at least a portion of the liquid stream to produce at least a second gas stream comprising hydrocarbons having a carbon number of at least 3; introducing at least a portion of the first gas stream and at least a portion of the second gas stream into an alkylation unit to produce alkylated hydrocarbons, wherein the olefins in the first gas stream enhance alkylation; and forming transportation fuel with at least a portion of the alkylated hydrocarbons. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification