Shell Oil Comapny

Exxon Chemical Patents, Inc.

Shell Internationale Research Maatschappij, B.v.

Stanley Nemec Milam

Scott Lee Wellington

Michael Reynolds

Frederik Arnold Buhrman

Mahendra L Joshi

Jingyu Cui

Michael Anthony Reynolds

Thomas F Brownscombe

Brendan Dermot Murray

Ann Marie Lauritzen

John Justin Freeman

Dane Clark Grenoble

Richard M Foley

Bruce H C Winquist

Eswarachandra Kumar Paruchuri

Erik Willem Tegelaar

Richard Bruce Taylor

Scott-Lee Wellington

Carl W Bradow

Brent Howard Shanks

Robert Charles Ryan

Bruce H Winquist

Easwar Santhosh Ranganathan

Thomas W Hastings

Rogier Maarten Kamerbeek

Win Sim Chan

Laura J Sanborn

Woodrow K Shiflett

Scott Lee Welligton

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.

Remediation of asphaltene-induced plugging of wellbores and production lines

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.

Oil recovery system and method

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&#xb0; C. to 538&#xb0; 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&#xb0; C. where at least 40 wt. % of the sulfur contained in hydrocarbons having a boiling point less than 343&#xb0; C. is contained in benzothiophenic compounds, and the first hydrocarbon-containing compound is hydrotreated to produce a second hydrocarbon-containing compound.

Process for treating a hydrocarbon-containing feed

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.

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.

Separation of industrial gases

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.

Separation of oxygen containing gases

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&#xb0; C. to 500&#xb0; 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&#xb0; C.-425&#xb0; 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&#xb0; C. The heavy hydrocarbon fraction is then contacted with a fluidizable cracking catalyst at a temperature of at least 500&#xb0; C.

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&#xb0; C. to 500&#xb0; 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&#xb0; C.-425&#xb0; C. and a pressure of from 3.4 MPa to 27.5 MPa to produce a second hydrocarbon-containing product.

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&#xb0; C. to 500&#xb0; 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&#xb0; C.-425&#xb0; C. to produce a second hydrocarbon-containing product.

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&#xb0; 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&#xb0; C. at 0.101 MPa and a specific heat capacity as a liquid of at least 1.9 kJ/kg-&#xb0; 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&#xb0; C.

System and process for generation of electrical power

A crude product composition is provided comprising hydrocarbons that have a boiling range distribution between about 30&#xb0; C. and 538&#xb0; C. (1,000&#xb0; 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.

Crude product composition

A method of processing feed streams high in hydrogen sulfide is provided. The method includes providing a feed gas stream that includes hydrocarbons and at least 5 vol % hydrogen sulfide. At least a portion of the feed gas stream is separated into a hydrogen sulfide stream and a hydrocarbon stream. The hydrocarbon gas stream is processed to produce natural gas. At least 34 mol. % of the hydrogen sulfide in the hydrogen sulfide stream is combusted with an oxidant to generate thermal power. Thermal power generated by the combustion is utilized in one or more of the steps of separating the feed gas stream into the hydrogen sulfide stream and the hydrocarbon gas stream, and processing the hydrocarbon gas stream to produce natural gas, compressed natural gas, or liquefied natural gas.

Method of processing feed streams containing hydrogen sulfide

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.

Separation of gases produced by combustion

A method of producing sulfur dioxide is provided. A feed gas stream comprising at least 5% by volume hydrogen sulfide is provided. The feed gas stream is separated into a hydrogen sulfide stream and a hydrocarbon gas stream. An oxidant stream is provided and is combusted with the hydrogen sulfide stream to produce thermal power and a combustion stream containing sulfur dioxide and steam. Sulfur dioxide is separated from the combustion stream.

Method of producing sulfur dioxide

The present invention is directed to a crude product composition comprising hydrocarbons having a boiling range distribution of from 30&#xb0; C. to 538&#xb0; C., the crude product composition having, per gram of crude product composition, from 0.01 grams to 0.2 grams of hydrocarbons having a boiling range distribution of at most 204&#xb0; C., where olefins comprise at least 0.02 grams per gram of the hydrocarbons having a boiling range distribution of at most 204&#xb0; C., and from 0.000001 grams to 0.05 grams of hydrocarbons having a boiling range distribution of greater than 538&#xb0; C.

Growing community of inventors

Houston, TX, United States of America

Stanley Nemec Milam