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Methods for hydrocarbon recovery from a subsurface formation include removing a mixture comprising hydrocarbons and particulate solids from a first formation. At least a portion of the hydrocarbons are separated from the particulate solids. The particulate solids are separated into a plurality of st

Methods for hydrocarbon recovery from a subsurface formation include removing a mixture comprising hydrocarbons and particulate solids from a first formation. At least a portion of the hydrocarbons are separated from the particulate solids. The particulate solids are separated into a plurality of streams. A mixed slurry comprising a first portion of the plurality of streams is injected through a first pipe into the first formation. A waste stream comprising a second portion of the plurality of streams is injected through a second pipe into a second formation. The first formation and the second formation lie in a substantially vertical line.

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1. A method for disposing of waste during a hydrocarbon recovery process, the method comprising: removing a mixture comprising hydrocarbons and particulate solids from a reservoir formation;separating at least a portion of the hydrocarbons from the particulate solids;separating the particulate solid

1. A method for disposing of waste during a hydrocarbon recovery process, the method comprising: removing a mixture comprising hydrocarbons and particulate solids from a reservoir formation;separating at least a portion of the hydrocarbons from the particulate solids;separating the particulate solids into a plurality of streams comprising a fines particle stream and a coarse particle stream;injecting a mixed slurry comprising the coarse particle stream and the fines particle stream through a first pipe into the reservoir formation;controlling a permeability of the mixed slurry relative to a fluid of the reservoir formation by varying a concentration of the fines particle stream in the mixed slurry such that the coarse particle stream and only a first portion of the fines particle stream is in the mixed slurry and a second portion of the fines particle stream is in a waste stream; andinjecting the waste stream comprising the second portion of the fines particle stream through a second pipe into a target formation, wherein the reservoir formation and the target formation lie in a substantially vertical line. 2. The method of claim 1, comprising injecting the waste stream at a lower depth than the mixed slurry. 3. The method of claim 1, comprising monitoring deformation at the surface in a substantially vertical line above the reservoir formation and controlling injection into the target formation to minimize surface deformation. 4. The method of claim 1, wherein removing the mixture comprising the hydrocarbons and the particulate solids from the reservoir formation is performed using a slurrification process. 5. The method of claim 1, comprising incorporating particulates obtained from another source into the waste stream prior to injection. 6. The method of claim 1, comprising injecting the mixed slurry, the waste stream, or both intermittently. 7. The method of claim 1, comprising minimizing an amount of water injected with the waste stream. 8. The method of claim 1, comprising forming the mixed slurry, the waste stream, or both from brine. 9. The method of claim 1, comprising adding water to the mixed slurry to control a rheological property of the mixed slurry, density of the mixed slurry, or both. 10. The method of claim 1, comprising injecting the waste stream into the reservoir formation below where the mixed slurry is injected. 11. The method of claim 1, comprising adding water to the waste stream to control a rheological property of the waste stream, density of the waste stream, or both. 12. The method of claim 1, comprising removing water from the waste stream to control a rheological property of the waste stream, density of the waste stream, or both. 13. The method of claim 1, comprising adding coarse particles to the waste stream to control a permeability of the waste stream relative to the reservoir formation. 14. A system for harvesting hydrocarbons from a reservoir, the system comprising: a production well configured to convey a mixture from a reservoir formation, wherein the mixture comprises hydrocarbons and particulate materials;a separation system configured to separate the particulate materials into a plurality of tailings streams comprising a fines particle stream and a coarse particle stream;a mixing system configured to form a slurry mixture from the coarse particle stream and only a first portion of the fines particle stream and to form a waste stream from a second portion of the fines particle stream; anda first injection pipe configured to inject the slurry mixture into the reservoir formation; anda second injection pipe configured to inject the waste stream comprising the second portion of the fines particle stream into a target formation. 15. The system of claim 14, wherein the separation system is configured to separate the hydrocarbons from the particulate materials. 16. The system of claim 14, wherein the first injection pipe and the second injection pipe are placed in a single wellbore. 17. The system of claim 14, wherein the plurality of tailings streams comprises a coarse tailings stream and a fine tailings stream. 18. The system of claim 14, wherein the mixing system is configured to adjust a water content of the slurry mixture to achieve a target density. 19. The system of claim 18, wherein brine is used as a water source. 20. The system of claim 14, wherein the target formation is the reservoir formation. 21. The system of claim 14, wherein the waste stream is injected into the reservoir formation below the slurry mixture. 22. The system of claim 14, wherein the target formation is substantially vertically below the reservoir formation. 23. The system of claim 14, wherein the reservoir formation comprises bitumen. 24. The system of claim 14, wherein at least one of the slurry mixture and the waste stream comprises residual hydrocarbons. 25. A method for harvesting hydrocarbons from a reservoir, comprising: drilling at least one injection well to a reservoir formation;drilling at least one production well to the reservoir formation;producing a material from the at least one production well, wherein the material comprises a mixture of particulate solids and hydrocarbons;removing at least a portion of the hydrocarbons from the material to form a plurality of particulate streams;separating the particulate solids into a plurality of streams comprising a fines particle stream and a coarse particle stream;forming a mixture comprising the coarse particle stream and only a first portion of the fines particle stream, wherein the ratio of the first portion of the fines particle stream to the coarse particle stream is controlled to control a permeability of the mixture relative to a fluid of the reservoir formation;forming a waste stream comprising a second portion of the fines particle stream;controlling a water content of the mixture to control a rheological property of the mixture;injecting the mixture through the injection well into the reservoir at substantially the same rate as production of the material from the reservoir; andinjecting the waste stream comprising the second portion of the fines particle stream through an injection pipe. 26. The method of claim 25, comprising processing the at least the portion of the hydrocarbons removed from the material. 27. The method of claim 25, comprising drilling a separate injection well to a target formation for injecting the waste stream. 28. The method of claim 25, comprising injecting the waste stream and the mixture through separate pipes that are co-located in a single wellbore.