-
公开(公告)号：US10882741B2
公开(公告)日：2021-01-05
申请号：US16160440
申请日：2018-10-15
Applicant: Baker Hughes, a GE company, LLC
Inventor： Othon Do Rego Monteiro , Devesh Kumar Agrawal , Sankaran Murugesan
Abstract: A method of determining a concentration of hydrogen sulfide in a fluid comprises exposing a sensor to the fluid, the sensor comprising a pair of electrodes defining a gap therebetween and a sensing material bridging the gap between the electrodes, measuring a value of an electrical parameter of the sensor at an applied frequency of greater than about 10 kHz and a voltage of less than about 1.0 volt when the sensor is exposed to the fluid, and determining the concentration of hydrogen sulfide in the fluid based at least in part on the measured value of the electrical parameter. Related apparatuses and methods are also disclosed.
-
公开(公告)号：US10280737B2
公开(公告)日：2019-05-07
申请号：US15172335
申请日：2016-06-03
Applicant: Baker Hughes, a GE company, LLC
Inventor： D. V. Satyanarayana Gupta , Sankaran Murugesan , Oleksandr Kuznetsov , Radhika Suresh , Valery N. Khabasheku
Abstract: Carbon quantum dots are used as tracers during the production of hydrocarbons. The tracer may be used to identify fluids produced from the reservoir. When used in the fracturing of multiple zones of the reservoir, qualitatively distinguishable carbon quantum dots may be used to identify the zone within the reservoir from which recovered fluid was produced. The carbon quantum dots may also be used in water flooding to determine water breakthrough in the production well. Upon water breakthrough in a production well, they may also be used to identify those injection wells from which breakthrough water originates.
-
公开(公告)号：US20190092634A1
公开(公告)日：2019-03-28
申请号：US16160440
申请日：2018-10-15
Applicant: Baker Hughes, a GE company, LLC
Inventor： Othon Do Rego Monteiro , Devesh Kumar Agrawal , Sankaran Murugesan
Abstract: A method of determining a concentration of hydrogen sulfide in a fluid comprises exposing a sensor to the fluid, the sensor comprising a pair of electrodes defining a gap therebetween and a sensing material bridging the gap between the electrodes, measuring a value of an electrical parameter of the sensor at an applied frequency of greater than about 10 kHz and a voltage of less than about 1.0 volt when the sensor is exposed to the fluid, and determining the concentration of hydrogen sulfide in the fluid based at least in part on the measured value of the electrical parameter. Related apparatuses and methods are also disclosed.
-
公开(公告)号：US10155899B2
公开(公告)日：2018-12-18
申请号：US14744520
申请日：2015-06-19
Applicant: Baker Hughes, a GE company, LLC
Inventor： Devesh Kumar Agrawal , Sankaran Murugesan , Valery N. Khabashesku
Abstract: A suspension for removing hydrocarbons from a subterranean formation includes a fluid comprising at least one of water, brine, steam, carbon dioxide, a light hydrocarbon, and an organic solvent; and a plurality of nanoparticles dispersed with the fluid. Nanoparticles of the plurality comprise silica and carbon. A method includes forming a plurality of nanoparticles and dispersing the plurality of nanoparticles with a fluid to form a suspension comprising the nanoparticles. A method of recovering a hydrocarbon material includes introducing a suspension into a subterranean formation containing hydrocarbons, forming a stabilized emulsion of the suspension and the hydrocarbons within the subterranean formation; and removing the emulsion from the subterranean formation. The suspension comprises a plurality of nanoparticles, and at least some nanoparticles of the plurality comprise silica and carbon.
-
公开(公告)号：US20180221831A1
公开(公告)日：2018-08-09
申请号：US15887255
申请日：2018-02-02
Applicant: Baker Hughes, a GE company, LLC
Inventor： Darryl N. Ventura , Sankaran Murugesan , Oleksandr V. Kuznetsov , Valery N. Khabashesku , Oleg A. Mazyar
Abstract: A filter membrane includes carbon nanotubes and carbon nitride nanoparticles. Inter-particle atomic interactions between the carbon nanotubes and the carbon nitride nanoparticles bind the carbon nanotubes and the carbon nitride nanoparticles together. A filter cartridge includes such a filter membrane disposed within an outer housing between a fluid inlet and a fluid outlet such that fluid passing through the outer housing between the fluid inlet and the fluid outlet passes through the filter membrane. Such filter membranes may be formed by dispersing carbon nanotubes and carbon nitride nanoparticles in a liquid to form a suspension, and passing the suspension through a filter to deposit the nanotubes and nanoparticles on the filter. Liquid may be filtered by causing the liquid to pass through such a filter membrane.
-
Patent Agency Ranking
公开(公告)号：US20200347718A1
公开(公告)日：2020-11-05
申请号：US16863717
申请日：2020-04-30
Applicant: Baker Hughes, a GE company, LLC
Inventor： Sankaran Murugesan , Prasad D. Dhulipala , Zhengwei Liu , Sunder Ramachandran
Abstract: This disclosure is directed to the use of a portable Surface Enhance Raman Spectroscopy method to detect, quantify, and/or monitor corrosion inhibitors that are present in fluids in a wide range of concentrations in order to manage corrosion treatment in oil and gas production and refining systems or other industrial systems and to reduce the amount of time spent in obtaining data that is reliable and useful for corrosion control.
-
公开(公告)号：US10421047B2
公开(公告)日：2019-09-24
申请号：US15887255
申请日：2018-02-02
Applicant: Baker Hughes, a GE company, LLC
Inventor： Darryl N. Ventura , Sankaran Murugesan , Oleksandr V. Kuznetsov , Valery N. Khabashesku , Oleg A. Mazyar
Abstract: A filter membrane includes carbon nanotubes and carbon nitride nanoparticles. Inter-particle atomic interactions between the carbon nanotubes and the carbon nitride nanoparticles bind the carbon nanotubes and the carbon nitride nanoparticles together. A filter cartridge includes such a filter membrane disposed within an outer housing between a fluid inlet and a fluid outlet such that fluid passing through the outer housing between the fluid inlet and the fluid outlet passes through the filter membrane. Such filter membranes may be formed by dispersing carbon nanotubes and carbon nitride nanoparticles in a liquid to form a suspension, and passing the suspension through a filter to deposit the nanotubes and nanoparticles on the filter. Liquid may be filtered by causing the liquid to pass through such a filter membrane.
-
公开(公告)号：US20200157416A1
公开(公告)日：2020-05-21
申请号：US16688731
申请日：2019-11-19
Applicant: Baker Hughes, a GE company, LLC
Inventor： Sankaran Murugesan , Radhika Suresh , Valery Khabashesku , Qusai Darugar
Abstract: Carbon quantum dots may be introduced into oil-based downhole fluids, such as drilling fluids, completion fluids, stimulation fluids, remediation fluids, and combinations thereof, or into distillate fuels, to increase their electrical conductivity and improve or maintain their performance in oil production and refining operations, in both low and high shear conditions.
-
公开(公告)号：US10401527B2
公开(公告)日：2019-09-03
申请号：US15854925
申请日：2017-12-27
Applicant: Baker Hughes, a GE company, LLC
Inventor： Othon R. Monteiro , Anusha Chilukuri , Sankaran Murugesan
Abstract: Devices and methods for detecting chemicals are disclosed. A device configured for use in a wellbore includes a sensor including a quantum tunneling composite (QTC) material configured to exhibit a change in electrical resistance responsive to the sensor contacting a target chemical. The sensor includes electrical resistance measuring circuitry operably coupled to the QTC material and configured to measure the electrical resistance of the QTC material and output a sensor signal indicating the electrical resistance. A method comprises deploying the sensor into the wellbore, measuring the electrical resistance of the QTC material, and determining the presence of the target chemical responsive to detecting changes in the electrical resistance of the QTC material. Another method includes selecting at least one of the QTC material and an active material to interact with a target wellbore chemical to change the electrical resistance of the QTC material.
-
10.发明申请公开(公告)号：US20190048251A1
公开(公告)日：2019-02-14
申请号：US16161495
申请日：2018-10-16
Applicant: Baker Hughes, a GE company, LLC
Inventor： Devesh Kumar Agrawal , Sankaran Murugesan , Valery N. Khabashesku
Abstract: A suspension for removing hydrocarbons from a subterranean formation includes a fluid comprising at least one of water, brine, steam, carbon dioxide, a light hydrocarbon, and an organic solvent; and a plurality of nanoparticles dispersed with the fluid. Nanoparticles of the plurality comprise silica and carbon. A method includes forming a plurality of nanoparticles and dispersing the plurality of nanoparticles with a fluid to form a suspension comprising the nanoparticles. A method of recovering a hydrocarbon material includes introducing a suspension into a subterranean formation containing hydrocarbons, forming a stabilized emulsion of the suspension and the hydrocarbons within the subterranean formation; and removing the emulsion from the subterranean formation. The suspension comprises a plurality of nanoparticles, and at least some nanoparticles of the plurality comprise silica and carbon.
-
-
-
-
-
-
-
-
-
Search Results
11
records
(took 0.019 seconds)
