1
Eugene R Thomas, P Scott Northrop, Hua Hu: Acid gas disposal method. ExxonMobil Upstream Research Company, October 31, 2006: US07128150 (121 worldwide citation)

This invention is method of recovering gas from a gas-bearing subterranean formation in which gas is produced from an upper portion of the formation and a waste gas is injected into a lower portion of the formation to dispose of the waste gas. The waste gas is injected within a 3000 foot (914 m) rad ...


2
Christopher W Sparling, P Scott Northrop, Johnny E Johnson, Jagannathan N Iyengar, Barry M Friedman: Methods for removing sulfur-containing compounds. ExxonMobil Upstream Research Company, ExxonMobil Upstream Research Company Law Department, February 16, 2010: US07662215 (13 worldwide citation)

A method for removing sulfur-containing compounds is provided. In one embodiment, the method includes selectively separating a feed stream (118) comprising carbon dioxide and one or more sulfur-containing compounds, including hydrogen sulfide, at conditions sufficient to produce a first stream (122) ...


3
Narasimhan Sundaram, P Scott Northrop: Kinetic fractionators, and cycling processes for fractionation of gas mixtures. ExxonMobil Upstream Research Company, ExxonMobil Upstream Research Company Law Department, December 30, 2014: US08921637 (5 worldwide citation)

A process for separating methane from a natural gas mixture employs pressure swing adsorption in one or more vessels. Each vessel has an adsorbent material having a kinetic selectivity for contaminants over methane greater than 5. Contaminants within the natural gas mixture become gases kinetically ...


4
P Scott Northrop, Francis S Wu, Margaret Wu legal representative, Narasimhan Sundaram: Method of purifying hydrocarbons and regeneration of adsorbents used therein. ExxonMobil Upstream Research Company, ExxonMobil Upstream Research Company Law Department, September 11, 2012: US08262773 (5 worldwide citation)

An improved method is provided for removing contaminants from a hydrocarbon stream, such as a stream of raw natural gas. The contaminated hydrocarbon stream is passed through a first adsorbent bed containing molecular sieves to adsorb contaminants on the molecular sieves, thereby removing at least s ...


5
Narasimhan Sundaram, P Scott Northrop: Kinetic fractionators, and cycling processes for fractionation of gas mixtures. ExxonMobil Upstream Research Company, ExxonMobil Upstream Research Company Law Department, May 12, 2015: US09028595 (5 worldwide citation)

A process for separating methane from a natural gas mixture employs pressure swing adsorption in one or more vessels. Each vessel has an adsorbent material having a kinetic selectivity for contaminants over methane greater than 5. Contaminants within the natural gas mixture become gases kinetically ...


6
P Scott Northrop: Generating elemental sulfur. ExxonMobil Upstream Research Company, ExxonMobil Upstream Research Company Law Department, November 29, 2016: US09504984

Techniques for generating elemental sulfur are provided herein. The disclosed methods may include a gas processing system including a processed feed gas. The methods may include a distillation column configured to receive the processed feed gas and to generate a high-pressure acid gas stream. The me ...


7
Robert D Denton, P Scott Northrop, Ananda K Nagavarapu: Method and system of controlling a temperature within a melt tray assembly of a distillation tower. ExxonMobil Upstream Research Company, ExxonMobil Upstream Research Company — Law Department, November 21, 2017: US09823017

A method and system of controlling a temperature within a melt tray assembly of a distillation tower. The method may include determining a melt tray fluid composition of a melt tray fluid, determining a melt tray fluid temperature of the melt tray fluid, determining if the melt tray fluid temperatur ...


8
P Scott Northrop, Jaime A Valencia: Method and system for separating fluids in a distillation tower. ExxonMobil Upstream Research Company, ExxonMobil Upstream Research Company Law Department, August 22, 2017: US09739529

A method and system for separating fluids in a distillation tower. The method may include feeding a stream to the distillation tower, wherein the stream includes carbon dioxide, reducing a carbon dioxide concentration of the stream received by the rectifier section by feeding a first cryogenic fluid ...


9
Eleanor R Fieler, P Scott Northrop, Peter C Rasmussen, Edward J Grave: Integrated Acid Gas And Sour Gas Reinjection Process. Adam P Brown, ExxonMobil Upstream Research Company, February 14, 2008: US20080034789-A1

A method for hydrocarbon processing is provided. In one or more embodiments, the method includes splitting a hydrocarbon stream comprising natural gas and acid gas into a first stream and a second stream. Alternatively, the first stream and second stream may be provided from other sources. The first ...


10
Christopher W Sparling, P Scott Northrop, Johnny E Johnson, Jagannathan N Iyengar, Barry M Friedman: Methods for Removing Sulfur-Containing Compounds. Exxonmobil Upstream Research Company, Brent R Knight, Exxonmobil Upstream Research Company, May 8, 2008: US20080107581-A1

A method for removing sulfur-containing compounds is provided. In one embodiment, the method includes selectively separating a feed stream (118) comprising carbon dioxide and one or more sulfur-containing compounds, including hydrogen sulfide, at conditions sufficient to produce a first stream (122) ...



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