Abstract: A method of treating a wellbore penetrating a subterranean formation comprising: providing an asphaltene solvent, wherein the asphaltene solvent comprises at least 75 mol % dimethyl sulfide and introducing the asphaltene solvent into the wellbore.

Abstract: A system and process for recovering oil from an oil-bearing formation. An oil recovery formulation that is first contact miscible with a liquid petroleum composition that is comprised of at least 15 mol % dimethyl sulfide is introduced together with steam or hot water into a subterranean oil-bearing formation comprising heavy oil, extra heavy oil, or bitumen, and oil is produced from the formation.

Abstract: A process is provided for recovering oil from a hydrocarbon-bearing formation comprised of hydrocarbons and formation water. The process presented herein includes an oil recovery formulation comprising at least 75 mol % dimethyl sulfide and between 1 mol % and 18 mol % of dimethyl ether, wherein the amount of dimethyl ether in the oil recovery formulation is selected relative to the solubility of dimethyl ether in the formation water.

Abstract: A system, composition, and process are provided for recovering oil from an oil-bearing formation. An oil recovery formulation comprising a polymer dispersed in a fluid that is at least 75 mol % dimethyl sulfide is introduced into an oil-bearing formation, and oil is produced from the formation.

Abstract: A process is provided in which a first hydrocarbon-containing composition is provided where the first hydrocarbon-containing composition comprises hydrocarbons having a boiling range from 25° C. to 538° C. and from 0.1 wt. % to 5 wt. % sulfur, where at least 40 wt. % of the sulfur is contained in hydrocarbons having a boiling point of less than 343° C. where at least 40 wt. % of the sulfur contained in hydrocarbons having a boiling point less than 343° C. is contained in benzothiophenic compounds, and the first hydrocarbon-containing compound is hydrotreated to produce a second hydrocarbon-containing compound.

Abstract: Petroleum coke or coal coke is gasified to produce a gas stream containing carbon monoxide, hydrogen, hydrogen sulfide, and optionally ammonia, carbon dioxide, water, and nitrogen. Carbon monoxide, hydrogen, and hydrogen sulfide, and optionally ammonia, carbon dioxide, water, and nitrogen are separated from the gas stream. The separated carbon monoxide and hydrogen are reacted to produce methanol, and the methanol is reacted with the separated hydrogen sulfide to produce dimethyl sulfide.

Abstract: Dimethyl sulfide is produced from sour gas. The dimethyl sulfide is utilized in an oil recovery formulation introduced into a petroleum-bearing formation to enhance recovery of petroleum from the formation.

Abstract: A method of treating a wellbore penetrating a subterranean formation comprising: providing an asphaltene solvent, wherein the asphaltene solvent comprises at least 75 mol % dimethyl sulfide and introducing the asphaltene solvent into the wellbore

Abstract: A system and process are provided for recovering oil from an oil-bearing formation. An oil recovery formulation that is first contact miscible with a liquid petroleum composition that is comprised of at least 15 mol % dimethyl sulfide is introduced together with steam or hot water into a subterranean oil-bearing formation comprising heavy oil, extra heavy oil, or bitumen, and oil is produced from the formation.

Abstract: A system and method for remediation of asphaltene-induced fouling of an oil-bearing formation is provided wherein an asphaltene solvent comprising at least 75 mol % dimethyl sulfide is introduced into an oil-bearing formation containing asphaltene deposits and the dimethyl sulfide is contacted with the asphaltene deposits.

Abstract: A process for treating a hydrocarbon-containing feedstock is provided in which a hydrocarbon-containing feedstock comprising at least 20 wt. % of heavy hydrocarbons is mixed with hydrogen and a catalyst to produce a vapor comprising a first hydrocarbon-containing product. The vapor comprising the first hydrocarbon-containing product is separated from the mixture, and, apart from the mixture, the first hydrocarbon-containing product is contacted with hydrogen and a catalyst containing a Column 6 metal to produce a second hydrocarbon-containing product.

Abstract: The present invention is directed to a method and a system for separating oxygen from air. A compressible air stream that contains oxygen is mixed in a substantially co-current flow with an incompressible fluid stream comprising an incompressible fluid in which oxygen is capable of being preferentially absorbed. Rotational velocity is imparted to the mixed streams, separating an incompressible fluid in which at least a portion of the oxygen is absorbed from other compressible components of the air stream. The compressible air stream may be provided at a stream velocity having a Mach number of at least 0.1.

Abstract: The present invention is directed to a method and a system for separating hydrogen or helium from gas having a mixture of gaseous components. A compressible feed stream that contains at least one target compressible component and hydrogen or helium is mixed in a substantially co-current flow with an incompressible fluid stream comprising an incompressible fluid in which the target component(s) is/are capable of being preferentially absorbed. Rotational velocity is imparted to the mixed streams, separating an incompressible fluid in which at least a portion of the target component is absorbed from a compressible product stream containing the hydrogen or helium. The compressible feed stream may be provided at a stream velocity having a Mach number of at least 0.1.

Abstract: A process for treating a hydrocarbon-containing feedstock is provided in which a hydrocarbon-containing feedstock comprising at least 20 wt. % of heavy hydrocarbons is mixed with hydrogen and a non-acidic metal-containing catalyst at a temperature of 375° C. to 500° C. to produce a vapor comprising a first hydrocarbon-containing product. The vapor comprising the first hydrocarbon-containing product is separated from the mixture, and, apart from the mixture, the first hydrocarbon-containing product is contacted with hydrogen and a catalyst containing a Column 6 metal at a temperature of 260° C.-425° C. to produce a second hydrocarbon-containing product. The second hydrocarbon-containing product is separated into fractions, one of the fractions being a heavy hydrocarbon fraction comprised of hydrocarbons having a boiling point of at least 343° C. The heavy hydrocarbon fraction is then contacted with a fluidizable cracking catalyst at a temperature of at least 500° C.

Abstract: A process for treating a hydrocarbon-containing feedstock is provided in which a hydrocarbon-containing feedstock comprising at least 20 wt. % of heavy hydrocarbons is mixed with hydrogen, hydrogen sulfide and a metal-containing catalyst at a temperature of 375° C. to 500° C. and a pressure of from 6.9 MPa to 27.5 MPa to produce a vapor comprising a first hydrocarbon-containing product, where the hydrogen sulfide is mixed with the feedstock, metal-containing catalyst, and hydrogen at a mole ratio of hydrogen sulfide to hydrogen of at least 1:10. The vapor comprising the first hydrocarbon-containing product is separated from the mixture, and, apart from the mixture, the first hydrocarbon-containing product is contacted with hydrogen and a catalyst containing a Column 6 metal at a temperature of 260° C.-425° C. and a pressure of from 3.4 MPa to 27.5 MPa to produce a second hydrocarbon-containing product.

Abstract: A process for treating a hydrocarbon-containing feedstock is provided in which a hydrocarbon-containing feedstock comprising at least 20 wt. % of heavy hydrocarbons is mixed with hydrogen and a metal-containing non-acidic catalyst at a temperature of 375° C. to 500° C. to produce a vapor comprising a first hydrocarbon-containing product. The vapor comprising the first hydrocarbon-containing product is separated from the mixture, and, apart from the mixture, the first hydrocarbon-containing product is contacted with hydrogen and a catalyst containing a Column 6 metal at a temperature of 260° C.-425° C. to produce a second hydrocarbon-containing product.

Abstract: A system and process for generation of electrical power is provided. Electrical power is generated by a system including two integrated power cycles, a first power cycle utilizing water/steam as a working fluid and the second power cycle utilizing a fluid selected from the group consisting of molecular nitrogen, argon, a chemical compound having a boiling point of at most 65° C. at 0.101 MPa and a latent heat of vaporization of at least 350 kJ/kg, and a chemical compound having a boiling point of at most 65° C. at 0.101 MPa and a specific heat capacity as a liquid of at least 1.9 kJ/kg-° K as a working fluid. The working fluid of the second power cycle is expanded through a two-phase expander to produce power in the second power cycle, where the expanded working fluid of the second cycle has a temperature of at most 10° C.

Abstract: A system and a process for recovering bitumen from oil sands are provided. The system includes a bitumen solvent comprised of at least 75 mol % dimethyl sulfide that is first contact miscible with bitumen, an oil sands material comprised of bitumen, and a contacting apparatus configured to receive the bitumen solvent and the oil sands material and to contact and mix the bitumen solvent and oil sands material to form a bitumen-containing extract and a bitumen-depleted oil sands material. The process includes the steps of providing the oil sands material; contacting the oil sands material with the solvent comprised of at least 75 mol % dimethyl sulfide to form the bitumen-containing extract and the bitumen-depleted oil sands material; and separating the bitumen-containing extract from the bitumen-depleted oil sands material.

Abstract: A crude product composition is provided comprising hydrocarbons that have a boiling range distribution between about 30° C. and 538° C. (1,000° F.) at 0.101 MPa, the hydrocarbons comprising iso-paraffins and n-paraffins with a weight ratio of the iso-paraffins to n-paraffins of at most 1.4.

Abstract: The present invention is directed to a method and a system for separating gas components of a combustion gas. A compressible feed stream derived from a combustion gas that contains at least one target compressible component and at least one non-target compressible component is mixed in a substantially co-current flow with an incompressible fluid stream comprising an incompressible fluid in which the target component(s) is/are capable of being preferentially absorbed. Rotational velocity is imparted to the mixed streams, separating an incompressible fluid in which at least a portion of the target component is absorbed from a compressible product stream containing the non-target compressible component(s). The compressible feed stream may be provided at a stream velocity having a Mach number of at least 0.1.