Methods of recovering hydrocarbons from water-containing...

Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking

Reexamination Certificate

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C208S187000, C299S002000, C299S003000, C299S005000, C405S132000, C405S133000, C405S150100, C405S150200

Reexamination Certificate

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07862706

ABSTRACT:
A method of recovering hydrocarbons from water-containing hydrocarbonaceous materials can include forming a constructed permeability control infrastructure. This constructed infrastructure defines a substantially encapsulated volume. A mined or separately collected water-containing hydrocarbonaceous material can be introduced into the control infrastructure to form a permeable body of hydrocarbonaceous material. The permeable body can be heated sufficient to initially remove water therefrom as a water vapor. The water vapor can be removed from the infrastructure via an outlet which can be controlled or shut off when the permeable body is sufficiently dewatered. The dewatered permeable body can be heated sufficient to remove hydrocarbons therefrom. During heating the hydrocarbonaceous material is substantially stationary as the constructed infrastructure is a fixed structure. Removed hydrocarbons can be collected for further processing, use in the process, and/or use as recovered.

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Alternative Methods for Fluid Delivery and Recovery; Manual; Sep. 1994; United States Environmental Protection Agency; 87 pgs.

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