Patents by Inventor Lars Brenne
Lars Brenne has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11945006Abstract: A method of cleaning deposited solid material from a fouled portion of a gas compressor (6) whilst the gas compressor (6) is in situ in a natural gas processing system (1) is provided. The method comprises the steps of supplying a liquid cleaning agent to a gas inlet of the gas compressor (6), the liquid cleaning agent being capable of removing the deposited solid material; passing the liquid cleaning agent through the gas compressor (6) to a gas outlet of the gas compressor (6), wherein at least a portion of the cleaning agent remains in a liquid state as it passes through the fouled portion of the gas compressor (6); and recovering a fluid containing removed material that is output from the gas compressor (6) so as to prevent the removed material reaching one or more gas processing stages of the gas processing system (1) downstream of the gas compressor (6).Type: GrantFiled: December 13, 2021Date of Patent: April 2, 2024Assignee: Equinor Energy ASInventors: Lars Brenne, Svend Tarald Kibsgaard, Tor Bjørge, Harald Underbakke
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Publication number: 20240066560Abstract: A method of cleaning deposited solid material from a fouled portion of a gas compressor (6) whilst the gas compressor (6) is in situ in a natural gas processing system (1) is provided. The method comprises the steps of supplying a liquid cleaning agent to a gas inlet of the gas compressor (6), the liquid cleaning agent being capable of removing the deposited solid material; passing the liquid cleaning agent through the gas compressor (6) to a gas outlet of the gas compressor (6), wherein at least a portion of the cleaning agent remains in a liquid state as it passes through the fouled portion of the gas compressor (6); and recovering a fluid containing removed material that is output from the gas compressor (6) so as to prevent the removed material reaching one or more gas processing stages of the gas processing system (1) downstream of the gas compressor (6).Type: ApplicationFiled: November 9, 2023Publication date: February 29, 2024Inventors: Lars Brenne, Svend Tarald Kibsgaard, Tor Bjørge, Harald Underbakke
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Patent number: 11781415Abstract: There is provided an apparatus 30 and method for conditioning the flow of a mixed phase flow from a supply pipe 101 from a hydrocarbon well. The apparatus 30 comprises an elongate reservoir 11 having a first end for receiving a multi-phase fluid flow from the supply pipe and a second closed end, there being provided a gas outlet 02 from the upper part of the first end, a liquid separation region downstream of the first end, and a liquid outlet 12 from the lower part of the liquid separation region; and a gas-liquid mixer to which the gas and liquid outlets are connected such that the separated gas and liquid may be recombined. The reservoir 11 may accommodate surges of liquid such that the flow rate from the liquid outlet is relatively invariant over time compared to that of the flow received by the apparatus.Type: GrantFiled: January 21, 2022Date of Patent: October 10, 2023Assignee: EQUINOR ENERGY ASInventor: Lars Brenne
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Publication number: 20220341440Abstract: A method and corresponding gas processing system for cleaning deposited solid material from a fouled portion of a gas compressor whilst the gas compressor is in situ in a natural gas processing system are provided. Cleaning of a gas compressor is achieved by accumulating liquid removed from cooling gas used for cooling the gas compressor and supplying the accumulated liquid to an inlet of the gas compressor in order to remove deposited solid material from the gas compressor. The cooling gas is extracted from an intermediate stage of the gas compressor.Type: ApplicationFiled: May 29, 2020Publication date: October 27, 2022Inventor: Lars Brenne
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Publication number: 20220145743Abstract: There is provided an apparatus 30 and method for conditioning the flow of a mixed phase flow from a supply pipe 101 from a hydrocarbon well. The apparatus 30 comprises an elongate reservoir 11 having a first end for receiving a multi-phase fluid flow from the supply pipe and a second closed end, there being provided a gas outlet 02 from the upper part of the first end, a liquid separation region downstream of the first end, and a liquid outlet 12 from the lower part of the liquid separation region; and a gas-liquid mixer to which the gas and liquid outlets are connected such that the separated gas and liquid may be recombined. The reservoir 11 may accommodate surges of liquid such that the flow rate from the liquid outlet is relatively invariant over time compared to that of the flow received by the apparatus.Type: ApplicationFiled: January 21, 2022Publication date: May 12, 2022Inventor: Lars BRENNE
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Publication number: 20220097104Abstract: A method of cleaning deposited solid material from a fouled portion of a gas compressor (6) whilst the gas compressor (6) is in situ in a natural gas processing system (1) is provided. The method comprises the steps of supplying a liquid cleaning agent to a gas inlet of the gas compressor (6), the liquid cleaning agent being capable of removing the deposited solid material; passing the liquid cleaning agent through the gas compressor (6) to a gas outlet of the gas compressor (6), wherein at least a portion of the cleaning agent remains in a liquid state as it passes through the fouled portion of the gas compressor (6); and recovering a fluid containing removed material that is output from the gas compressor (6) so as to prevent the removed material reaching one or more gas processing stages of the gas processing system (1) downstream of the gas compressor (6).Type: ApplicationFiled: December 13, 2021Publication date: March 31, 2022Inventors: Lars Brenne, Svend Tarald Kibsgaard, Tor Bjørge, Harald Underbakke
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Patent number: 11268368Abstract: There is provided an apparatus (30) and method for conditioning the flow of a mixed phase flow from a supply pipe (101) from a hydrocarbon well. The apparatus (30) comprises an elongate reservoir (11) having a first end for receiving a multi-phase fluid flow from the supply pipe and a second closed end, there being provided a gas outlet (02) from the upper part of the first end, a liquid separation region downstream of the first end, and a liquid outlet (12) from the lower part of the liquid separation region; and a gas-liquid mixer to which the gas and liquid outlets are connected such that the separated gas and liquid may be recombined. The reservoir (11) may accommodate surges of liquid such that the flow rate from the liquid outlet is relatively invariant over time compared to that of the flow received by the apparatus.Type: GrantFiled: April 5, 2018Date of Patent: March 8, 2022Assignee: EQUINOR ENERGY ASInventor: Lars Brenne
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Publication number: 20220025736Abstract: A system for providing information on production value and/or emissions of a hydrocarbon production system is disclosed. The system includes: a plurality of sensors configured to measure a respective plurality of measured parameters of the hydrocarbon production system; an input interface for inputting a plurality of specified parameters into the system; and a processor configured to determine the production value and/or emissions of the hydrocarbon production system in real time based upon the measured parameters and the specified parameters.Type: ApplicationFiled: October 6, 2021Publication date: January 27, 2022Inventors: Svend Tarald KIBSGAARD, Lars BRENNE, Astrid Helland TINGSTVEIT
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Patent number: 11224900Abstract: A method of cleaning deposited solid material from a fouled portion of a gas compressor whilst the gas compressor is in situ in a natural gas processing system is provided. The method comprises the steps of supplying a liquid cleaning agent to a gas inlet of the gas compressor, the liquid cleaning agent being capable of removing the deposited solid material; passing the liquid cleaning agent through the gas compressor to a gas outlet of the gas compressor, wherein at least a portion of the cleaning agent remains in a liquid state as it passes through the fouled portion of the gas compressor; and recovering a fluid containing removed material that is output from the gas compressor so as to prevent the removed material reaching one or more gas processing stages of the gas processing system downstream of the gas compressor.Type: GrantFiled: January 17, 2018Date of Patent: January 18, 2022Assignee: Equinor Energy ASInventors: Lars Brenne, Svend Tarald Kibsgaard, Tor Bjørge, Harald Underbakke
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Patent number: 11168545Abstract: A system for providing information on production value and/or emissions of a hydrocarbon production system is disclosed. The system includes: a plurality of sensors configured to measure a respective plurality of measured parameters of the hydrocarbon production system; an input interface for inputting a plurality of specified parameters into the system; and a processor configured to determine the production value and/or the emissions of the hydrocarbon production system in real time based upon the measured parameters and the specified parameters.Type: GrantFiled: November 7, 2017Date of Patent: November 9, 2021Assignee: EQUINOR ENERGY ASInventors: Svend Tarald Kibsgaard, Lars Brenne, Astrid Heiland Tingstveit
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Patent number: 11022595Abstract: A method of identifying the phase composition and/or changes in the phase composition of a fluid flowing through a turbomachine includes monitoring changes in at least one electrical parameter associated with operation of the turbomachine, and employing a known correlation between phase composition and or phase composition changes, and changes in the electrical parameter(s) to associate the monitored changes with changes in the actual phase composition of the fluid.Type: GrantFiled: June 26, 2015Date of Patent: June 1, 2021Assignee: STATOIL PETROLEUM ASInventors: Lars Brenne, Svend Tarald Kibsgaard, Bjarne Monsen, Tom Odin Gaustad
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Publication number: 20210108497Abstract: There is provided an apparatus (30) and method for conditioning the flow of a mixed phase flow from a supply pipe (101) from a hydrocarbon well. The apparatus (30) comprises an elongate reservoir (11) having a first end for receiving a multi-phase fluid flow from the supply pipe and a second closed end, there being provided a gas outlet (02) from the upper part of the first end, a liquid separation region downstream of the first end, and a liquid outlet (12) from the lower part of the liquid separation region; and a gas-liquid mixer to which the gas and liquid outlets are connected such that the separated gas and liquid may be recombined. The reservoir (11) may accommodate surges of liquid such that the flow rate from the liquid outlet is relatively invariant over time compared to that of the flow received by the apparatus.Type: ApplicationFiled: April 5, 2018Publication date: April 15, 2021Inventor: Lars BRENNE
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Publication number: 20190374979Abstract: A method of cleaning deposited solid material from a fouled portion of a gas compressor whilst the gas compressor is in situ in a natural gas processing system is provided. The method comprises the steps of supplying a liquid cleaning agent to a gas inlet of the gas compressor, the liquid cleaning agent being capable of removing the deposited solid material; passing the liquid cleaning agent through the gas compressor to a gas outlet of the gas compressor, wherein at least a portion of the cleaning agent remains in a liquid state as it passes through the fouled portion of the gas compressor; and recovering a fluid containing removed material that is output from the gas compressor so as to prevent the removed material reaching one or more gas processing stages of the gas processing system downstream of the gas compressor.Type: ApplicationFiled: January 17, 2018Publication date: December 12, 2019Applicant: Equinor Energy ASInventors: Lars Brenne, Svend Tarald Kibsgaard, Tor Bjørge, Harald Underbakke
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Publication number: 20190277115Abstract: A system (101) for providing information on production value and/or emissions of a hydrocarbon production system (1). The system (101) includes: a plurality of sensors (102, 103, 104, 105, 106, 107, 108) configured to measure a respective plurality of measured parameters (109) of the hydrocarbon production system; an input interface (111) for inputting a plurality of specified parameters (114) into the system (101); and a processor (110) configured to determine the production value and/or emissions of the hydrocarbon production system (1) in real time based upon the measured parameters (109) and the specified parameters (114).Type: ApplicationFiled: November 7, 2017Publication date: September 12, 2019Inventors: Svend Tarald KIBSGAARD, Lars BRENNE, Astrid Helland TINGSTVEIT
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Patent number: 10378515Abstract: A method of dynamically controlling a wind turbine having a rotor supporting a plurality of blades and a main bearing supporting the rotor, the method comprising detecting a load profile around the circumference of the main bearing, generating a control signal based on the detected load profile and dynamically adjusting the load profile of the main bearing using the control signal.Type: GrantFiled: June 5, 2014Date of Patent: August 13, 2019Assignee: STATOIL PETROLEUM ASInventors: Svend Tarald Kibsgaard, Jone Torsvik, Lars Brenne
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Patent number: 10132322Abstract: A method of operating and cleaning a compressor comprising the following steps: passing a first fluid through the compressor, the first fluid comprising gas from a separator wherein the compressor is operating to compress the first fluid passed therethrough, mixing well fluid bypassed from upstream of the separator with the gas from the separator to produce a second fluid comprising gas and liquid wherein the gas and liquid are from at least one well; and passing the second fluid through the compressor, wherein the second fluid is passed through the compressor for a limited time period to clean a surface inside the compressor, the compressor operating to compress the second fluid passed therethrough.Type: GrantFiled: June 17, 2016Date of Patent: November 20, 2018Assignee: STATOIL PETROLEUM ASInventors: Lars Brenne, Tor Bjorge, Harald Underbakke, Svend Tarald Kibsgaard
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Publication number: 20180188226Abstract: A method of identifying the phase composition and/or changes in the phase composition of a fluid flowing through a turbomachine includes monitoring changes in at least one electrical parameter associated with operation of the turbomachine, and employing a known correlation between phase composition and or phase composition changes, and changes in the electrical parameter(s) to associate the monitored changes with changes in the actual phase composition of the fluid.Type: ApplicationFiled: June 26, 2015Publication date: July 5, 2018Applicant: STATOIL PETROLEUM ASInventors: Lars BRENNE, Svend Tarald KIBSGAARD, Bjarne MONSEN, Tom Odin GAUSTAD
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Patent number: 9784075Abstract: A combined multi-phase pump and compressor unit and a gas compression system are provided. The combined multi-phase pump and compressor unit functions on a centrifugal principle for transporting liquid and gas from a flow conditioner to a remote multi-phase receiving plant, wherein a rotating separator separates liquid and gas upstream of a compressor part of the combined multi-phase pump and compressor unit, wherein the separated liquid is collected in a rotating annulus in such a way that the liquid is given kinetic energy which is converted to pressure energy in a static system, and wherein the pressurized liquid bypasses the compressor part of the combined multi-phase pump and compressor unit, and then is re-mixed with the gas downstream of the combined multi-phase pump and compressor unit.Type: GrantFiled: April 24, 2015Date of Patent: October 10, 2017Assignee: STATOIL PETROLEUM ASInventors: Tor Bjørge, Lars Brenne, Harald Underbakke, Bjorn-André Egerdahl, Rune Mode Ramberg, William Bakke
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Patent number: 9784076Abstract: A gas compression system and a method of flow conditioning by a gas compression system are provided. A gas compression system includes a compact flow conditioner in a form of a flow conditioner tank and a combined multi-phase pump and compressor unit comprising an impeller configured to compress a mixture of gas and liquid, wherein the gas compression system is configured such that the gas and the liquid are separated in the flow conditioner tank, the separated gas and liquid are sucked up through the separate gas and liquid pipes and re-mixed again upstream of the impeller, and the liquid is distributed in a gas flow by Venturi effect, and wherein the Venturi effect is obtained by a constriction in the outlet pipe to the impeller, just upstream of the impeller.Type: GrantFiled: April 24, 2015Date of Patent: October 10, 2017Assignee: STATOIL PETROLEUM ASInventors: Tor Bjorge, Lars Brenne, Harald Underbakke, Bjorn-André Egerdahl, Rune Mode Ramberg, William Bakke
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Publication number: 20170002822Abstract: A method and apparatus controls a compressor, where the compressor inlet gas may contain water and/or non-aqueous liquid. The method includes the steps of measuring temperature at the compressor inlet and/or outlet side, measuring pressure at the compressor inlet and outlet side in order to determine a compressor pressure ratio, measuring fluid mixture density at the compressor inlet and/or outlet side, measuring individual volume fractions of gas, water and non-aqueous liquid at the compressor inlet and/or outlet side, measuring fluid velocity at the compressor inlet and/or outlet side, and determining individual flow rates of gas, water and non-aqueous liquid on the basis of the measured individual volume fractions of gas, water and non aqueous liquid and the fluid velocity at the compressor inlet and/or outlet side.Type: ApplicationFiled: July 15, 2016Publication date: January 5, 2017Applicant: STATOIL ASAInventors: Lars BRENNE, Jan HØYDAL