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Don Victory
Founder and Chair of Energy Mentors
Phone:
281-384-2636
Email:
Address:
18722 University Blvd Suite 300
Sugar Land, Texas 77479
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“Systems and methods for selectively removing hydrogen sulfide from a feed gas stream”
US Patent No. 112229874-b2
Date of Patent: January 25, 2022
Systems and methods for selectively removing hydrogen sulfide from a feed gas stream. The systems include an absorber-heat exchanger (ABHEX) assembly configured to exchange thermal energy between a mixed stream and a thermal management fluid stream. The ABHEX assembly defines a mixed stream volume and a thermal management fluid stream volume. The ABHEX assembly includes an isolation structure that maintains fluid separation between the mixed stream and the thermal management fluid stream and facilitates thermal communication between the mixed stream and the thermal management fluid stream. The ABHEX assembly is configured to receive and to mix the feed gas stream and a lean solvent stream to generate the mixed stream, to separate the mixed stream into a product gas stream and a rich solvent stream, and to cool the mixed stream. The methods include methods of operating the systems.
“Method and system for LNG production using standardized multi-shaft gas turbines, compressors, and refrigerant systems”
AU Patent No. 2018321557-B2
Date of Patent: September 9, 2021
A drive system for liquefied natural gas (LNG) production. A standardized machinery string consisting of a multi-shaft gas turbine with no more than three compressor bodies, where the compressor bodies are applied to one or more refrigerant compressors employed in one or more refrigerant cycles (e.g., single mixed refrigerant, propane precooled mixed refrigerant, dual mixed refrigerant). The standardized machinery strings and associated standardized refrigerators are designed for a generic range of feed gas composition and ambient temperature conditions and are installed in opportunistic liquefaction plants without substantial reengineering and modifications. The approach captures DIBM ("Design 1 Build Many) cost and schedule efficiencies by allowing for broader variability in liquefaction efficiency with location and feed gas composition.
“Method of natural gas liquefaction on LNG carriers storing liquid nitrogen”
CA Patent No. 3006957-C
Date of Patent: September 15, 2020
A method for producing liquefied natural gas (LNG). A natural gas stream is transported to a liquefaction vessel. The natural gas stream is liquefied on the liquefaction vessel using at least one heat exchanger that exchanges heat between the natural gas stream and a liquid nitrogen stream to at least partially vaporize the liquefied nitrogen stream, thereby forming a warmed nitrogen gas stream and an at least partially condensed natural gas stream comprising LNG. The liquefaction vessel includes at least one tank that only stores liquid nitrogen and at least one tank that only stores LNG.
“Methods and systems for treating fuel gas"
US Patent No. 2018016977-A1
Date of Patent: January 18, 2018
Methods and systems for treating a compressed gas stream. The compressed gas stream is cooled and liquids are removed therefrom to form a dry gas stream, which is chilled in a first heat exchanger. Liquids are separated therefrom, thereby producing a cold vapor stream and a liquids stream. A first part of the cold vapor stream is expanded to produce a cold two-phase fluid stream, and a second part of the cold vapor stream is cooled to form a cooled reflux stream. Various streams are fed into a separation column to produce a cold fuel gas stream and a low temperature liquids stream. The second part of the cold vapor stream is cooled by the cold fuel gas stream, which becomes a warmed fuel gas stream that is compressed and used with the low-temperature liquids stream to chill the dry gas stream and to cool the compressed gas stream.
“Multi-Stage Separation Using a Single Vessel”
US Patent No. 2016186549-A1
Date of Patent: June 30, 2016
Apparatuses and methods are disclosed herein for separating well fluids into gaseous and liquid components using a single vessel that achieves multiple stages of separation. In one example embodiment, a system for separating a fluid mixture into different components is disclosed. The system comprises a separator. The separator comprises a first inlet configured to receive a stream of the fluid mixture, a first stage separation section configured to provide a first stage of separation to separate the stream into a first liquid, a second liquid, and a gas at a first temperature, and a second stage separation section in fluid communication with the first stage separation section such that the first stage and the second stage separation sections operate at substantially the same pressure. The second stage separation section is configured to provide a second stage of separation to further separate the second liquid at a second temperature.
“Method of Downhole Gas Separation Using a Diaphragm.”
NO Patent No. 331625-B1
Date of Patent: February 6, 2012
A method of separating multicomponent fluid in a wellbore using at least one fluid separation membrane (21) having a feed side and a permeate side incorporated into the wellbore. A flowing stream (16) of multicomponent fluid obtained from an underground zone (11) in fluid communication with the wellbore is placed over the feed side of the membrane (21) at a first pressure. A retentate flow (18) depleted of at least one component compared to the multi-component fluid is withdrawn from the feed side of the membrane (21) and conducted to the earth's surface. A permeate flow (17), at a second pressure, is withdrawn from the permeate side, the permeate flow (17) being enriched with at least one component compared to the multicomponent fluid. The second pressure is controlled to maintain the second pressure during the first pressure.
“Method for utilizing gas reserves with low methane concentrations and high inert gas concentrations for fueling gas turbines”
US Patent No. 7350359-B2
Date of Patent: April 1, 2008
The invention is directed to a method of fueling gas turbines from natural gas reserves with relatively low methane concentrations. The invention uses such reserves to generate electric power. The invention permits the use of these reserves at significantly lower cost than by producing pipeline natural gas to fuel gas turbines to generate electric power. These reserves currently generally are used only after the removal of impurities to produce pipeline natural gas quality turbine fuel. The latter current technology is capital intensive, and at current natural gas prices, economically unattractive. The process of the invention can remove the impurities from the gas from the natural gas reserve necessary for protection of the environment and leaves inert gasses in the fuel in an amount which will increase the output of a gas turbine for the generation of power by about 5 to about 20%.
“High-pressure separation of a multi-component gas”
GC Patent No. 0000245-A
Date of Patent: March 29, 2006
The invention relates to a method of separating one or more components from a multi-component gas stream comprising at least one non-acid gas component and at least one acid gas component. A multi-component gas stream at a pressure above 1,200 psia (82.8 bar) and a temperature above 120° F. (48.9° C.) with the concentration of at least one acid gas component in the gas stream being at least 20 mole percent is passed to a membrane system that selectively separates at least one acid gas component from the multi-component gas stream as a permeate stream. The permeate stream has a pressure at least 20% of the pressure of the feed pressure.
“High-pressure separation of a multi-component gas”
NO Patent No. 20040849-L
Date of Patent: February 26, 2004
The invention relates to a method of separating one or more components from a multi-component gas stream comprising at least one non-acid gas component and at least one acid gas component. A multi-component gas stream at a pressure above 1,200 psia (82.8 bar) and a temperature above 120° F. (48.9° C.) with the concentration of at least one acid gas component in the gas stream being at least 20 mole percent is passed to a membrane system that selectively separates at least one acid gas component from the multi-component gas stream as a permeate stream. The permeate stream has a pressure at least 20% of the pressure of the feed pressure.
“Downhole gas separation method and system”
US Patent No. 6755251-B2
Date of Patent: June 29, 2004
The invention is a method and system of separating a multi-component fluid in a wellbore. At least one fluid separation membrane comprising a feed side and a permeate side is incorporated in the wellbore. A flowing stream of the multi-component fluid obtained from a subterranean zone being in fluid communication with the wellbore is passed across the feed side of the membrane at a first pressure. A retentate stream depleted in at least one component compared to the multi-component fluid is withdrawn from the feed side of the membrane and passed to the earth's surface. A permeate stream at a second pressure is withdrawn from the permeate side, in which the permeate stream is enriched in at least one component compared with the multi-component fluid. The second pressure is controlled to maintain the second pressure below the first pressure.
“High-pressure separation of a multi-component gas”
AU Patent No. 2002323607-A1
Date of Patent: June 19, 2003
The invention relates to a method of separating one or more components from a multi-component gas stream comprising at least one non-acid gas component and at least one acid gas component. A multi-component gas stream at a pressure above 1,200 psia (82.8 bar) and a temperature above 120° F. (48.9° C.) with the concentration of at least one acid gas component in the gas stream being at least 20 mole percent is passed to a membrane system that selectively separates at least one acid gas component from the multi-component gas stream as a permeate stream. The permeate stream has a pressure at least 20% of the pressure of the feed pressure.
“Downhole gas separation method and system”
AU Patent No. 20023364638-A1
Date of Patent: June 19, 2003
The invention is a method and system of separating a multi-component fluid in a wellbore. At least one fluid separation membrane comprising a feed side and a permeate side is incorporated in the wellbore. A flowing stream of the multi-component fluid obtained from a subterranean zone being in fluid communication with the wellbore is passed across the feed side of the membrane at a first pressure. A retentate stream depleted in at least one component compared to the multi-component fluid is withdrawn from the feed side of the membrane and passed to the earth's surface. A permeate stream at a second pressure is withdrawn from the permeate side, in which the permeate stream is enriched in at least one component compared with the multi-component fluid. The second pressure is controlled to maintain the second pressure below the first pressure.
“Method for liquefying a stream of natural gas containing at least one freezable component.”
DZ Patent No. 2543-A1
Date of Patent: February 8, 2003
Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of carbon dioxide
“Process for separating a multi-component gas stream containing at least one freezable component”
MY Patent No. 114066-A
Date of Patent: July 31, 2002
This invention relates generally to a separation process in which a multi-component feed stream is introduced into a separation system that operates under solids forming conditions for at least one of the feed stream components. The freezable component, although typically CO2, H2 S or another acid gas, can be any component that has the potential for forming solids in the separation system. The multi-component feed stream is introduced into a separation system, at least a portion of which operates under solids forming conditions for at least one component of the feed stream. A vapor stream is withdrawn from an upper region of the separation system and compressed to a higher pressure stream. At least a portion of the compressed stream is cooled and then expanded to a lower pressure to further cool the compressed stream. At least a portion of the expanded stream is returned to the separation system, thereby providing refrigeration to the separation system.
“Process for separating a multi-component gas stream containing at least one freezable component”
US Patent No. 6053007-A
Date of Patent: April 25, 2000
This invention relates generally to a separation process in which a multi-component feed stream is introduced into a separation system that operates under solids forming conditions for at least one of the feed stream components. The freezable component, although typically CO2, H2 S or another acid gas, can be any component that has the potential for forming solids in the separation system. The multi-component feed stream is introduced into a separation system, at least a portion of which operates under solids forming conditions for at least one component of the feed stream. A vapor stream is withdrawn from an upper region of the separation system and compressed to a higher pressure stream. At least a portion of the compressed stream is cooled and then expanded to a lower pressure to further cool the compressed stream. At least a portion of the expanded stream is returned to the separation system, thereby providing refrigeration to the separation system.
“Bubble cap tray for melting solids and method for using same”
US Patent No. 5265428-A
Date of Patent: November 30, 1993
An elongated bubble cap tray allows three phases: solid, vapor and liquid, to come in contact at the bottom of a controlled freezing zone and transfer heat and mass amongst themselves. Complete melting of the solid phase may be achieved in this tray, significantly reducing or totally eliminating the need for an external source of energy as well as its associated heat transfer equipment.
“Method and apparatus for cryogenic separation of carbon dioxide and other acid gases from methane”
US Patent No. 4923493-A
Date of Patent: May 8, 1990
A method for conditioning the freezing zone liquid feedstream in the cryogenic separation of carbon dioxide and other acid gases from methane by use of distillation and a controlled freezing zone, including the step of sub-cooling the freezing zone liquid feedstream, so that this freezing zone liquid feedstream remains close to, but not quite at, carbon dioxide solidification conditions.