Patents by Inventor Sandip Maity
Sandip Maity 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).
-
Publication number: 20240060889Abstract: A method of analyzing a fluid includes acquiring a sample of the fluid extracted from a subterranean region proximate to a borehole, the borehole including an injected fluid, applying light having a first excitation wavelength to the fluid sample, and measuring a first fluorescence spectrum. The method also includes comparing the first fluorescence spectrum to a reference fluorescence spectrum corresponding to a fluid having injected fluid contamination and/or to a second fluorescence spectrum based on applying light having a second excitation wavelength to the fluid sample. The method further includes estimating a level of contamination of the fluid sample with the injected fluid based on the comparing.Type: ApplicationFiled: August 16, 2022Publication date: February 22, 2024Applicant: Baker Hughes Oilfield Operations LLCInventors: Sandip Maity, Ansgar Cartellieri
-
Publication number: 20230296019Abstract: A downhole fluid analysis system includes an optical sensor comprising, which includes a light source configured to emit light comprising a plurality of wavelengths, a light detector, and an optical tip through which at least a portion of the light travels and returns to the detector, wherein the incident angle of the light causes total internal reflection within the optical tip. The system further includes a piezoelectric helm resonator that generates a resonance response in response to an applied current, and an electromagnetic spectroscopy sensor positioned symmetrically with respect to the piezoelectric helm resonator in at least one direction. The light may be reflected in the optical tip at one or more reflection points, and each reflection point may generate an evanescent wave in a medium surrounding the optical tip. The light may be internally reflected in the optical tip at a plurality of reflection points.Type: ApplicationFiled: April 24, 2023Publication date: September 21, 2023Applicant: Baker Hughes Oilfield Operations LLCInventors: Sandip Maity, Otto Fanini, Dwight Swett, Rocco DiFoggio, Mohamed Nabil Noui-Mehidi, Jana Mohamed Aljindan
-
Publication number: 20230228714Abstract: A method of manufacturing is provided. The method can include determining a cross-sectional shape of an object to be inspected using a sensor configured with a sensor coil. The method can also include providing a substrate having a profile matching the cross-sectional shape of the object. The method can further include applying a dielectric material to the substrate in a patter matching a shape of the sensor coil. The method can also include forming a first layer of a first material on the dielectric material by sputtering particles of the first material on the dielectric material in the pattern and forming additional layers of the first material atop the first layer by iteratively depositing the additional layers in the pattern via an additive manufacturing technique. A sensor including a sensor coil formed via the method is also provided.Type: ApplicationFiled: January 18, 2022Publication date: July 20, 2023Inventors: Navin Sakthivel, Mikhail Anisimov, Joerg Weislogel, Martin Berthold Spies, Aaron Avagliano, Sandip Maity, Amir Saeed, Sreedhar Puliyakote
-
Patent number: 11674377Abstract: An apparatus for inspecting a well having nested multi-tubular structure, includes: an acoustic transducer conveyed in an inner-most tubular in the structure and configured to receive a return acoustic signal having a plurality of resonances due to the structure; an acoustic impedance matching material disposed on a sensing face of the acoustic transducer; a signal generator that generates a signal having a plurality of frequencies to drive the acoustic transducer; a signal shaper that modifies the signal to provide a drive signal to the acoustic transducer; and a processor configured to determine an annulus distance of any tubular in the structure with respect to an adjacent tubular using a time of flight of a transmitted acoustic signal, an acoustic speed in a component in the nested multi-tubular structure using the annulus distance and the plurality of resonances, and a characteristic of the component that corresponds with the acoustic speed.Type: GrantFiled: April 21, 2021Date of Patent: June 13, 2023Assignee: BAKER HUGHES OILFIELD OPERATIONS LLCInventors: Elan Yogeswaren, Sandip Maity, Roger Steinsiek
-
Patent number: 11661845Abstract: A downhole fluid analysis system includes an optical sensor comprising, which includes a light source configured to emit light comprising a plurality of wavelengths, a light detector, and an optical tip through which at least a portion of the light travels and returns to the detector, wherein the incident angle of the light causes total internal reflection within the optical tip. The system further includes a piezoelectric helm resonator that generates a resonance response in response to an applied current, and an electromagnetic spectroscopy sensor positioned symmetrically with respect to the piezoelectric helm resonator in at least one direction. The light may be reflected in the optical tip at one or more reflection points, and each reflection point may generate an evanescent wave in a medium surrounding the optical tip. The light may be internally reflected in the optical tip at a plurality of reflection points.Type: GrantFiled: May 6, 2020Date of Patent: May 30, 2023Assignee: Baker Hughes Oilfield Operations LLCInventors: Sandip Maity, Otto Fanini, Dwight Swett, Rocco DiFoggio, Mohamed Nabil Noui-Mehidi, Jana Mohamed Aljindan
-
Publication number: 20230141107Abstract: The present disclosure is for a tool and a method using or making the tool for detection of production or formation water in drilling fluid. The tool includes a sampling chamber to receive a bypass line from a flow line at a well site. The tool further includes spectroscopy components to perform spectroscopy of the drilling fluid bypassed from a flow line into the bypass line. Processing components are provided in the tool to process spectra from the spectroscopy of the drilling fluid and to generate data associated with at least identification formation or production water in the drilling fluid. The tool includes a communication module to transmit the data externally from the tool.Type: ApplicationFiled: June 17, 2020Publication date: May 11, 2023Applicant: Baker Hughes Oilfield Operations LLCInventors: Sandip Maity, Mohamed A. El Sharaky
-
Patent number: 11598177Abstract: A member that is a single element for controlling flow through an inflow control device, has anisotropic density configured to move the member relative to the inflow control device such that the inflow control device allows, fully blocks, or partially blocks flow from a zone to a production string based on a density of a fluid flowing into the inflow control device from the zone.Type: GrantFiled: August 10, 2022Date of Patent: March 7, 2023Assignee: BAKER HUGHES OILFIELD OPERATIONS LLCInventors: Ahmed AlAdawy, Ameen Malkawi, Raghavaraju Lakhamraju, Naeem-Ur Minhas, Sandip Maity
-
Publication number: 20220381112Abstract: A member that is a single element for controlling flow through an inflow control device, has anisotropic density configured to move the member relative to the inflow control device such that the inflow control device allows, fully blocks, or partially blocks flow from a zone to a production string based on a density of a fluid flowing into the inflow control device from the zone.Type: ApplicationFiled: August 10, 2022Publication date: December 1, 2022Applicant: Baker Hughes Oilfield Operations LLCInventors: Ahmed AlAdawy, Ameen Malkawi, Raghavaraju Lakhamraju, Naeem-Ur Minhas, Sandip Maity
-
Patent number: 11506016Abstract: A member that is a single element for controlling flow through an inflow control device, has anisotropic density configured to move the member relative to the inflow control device such that the inflow control device allows, fully blocks, or partially blocks flow from a zone to a production string based on a density of a fluid flowing into the inflow control device from the zone.Type: GrantFiled: April 20, 2020Date of Patent: November 22, 2022Assignee: BAKER HUGHES OILFIELD OPERATIONS LLCInventors: Ahmed AlAdawy, Ameen Malkawi, Raghavaraju Lakhamraju, Naeem-Ur Minhas, Sandip Maity
-
Publication number: 20220316330Abstract: A downhole fluid analysis system includes an optical sensor that includes a light source configured to emit light, a light detector, and an optical tip optically coupled to the light source and the light detector. At least a portion of the light emitted from the light source travels through the optical tip and returns to the detector, wherein the optical tip has a bi-conical shape. The system further includes a piezoelectric helm resonator, in which the piezoelectric helm resonator generates a resonance response in response to an applied current, and an electromagnetic spectroscopy sensor positioned symmetrically with respect to the piezoelectric helm resonator in at least one direction. In some embodiments, the optical tip includes a first conical portion and a second conical portion.Type: ApplicationFiled: June 22, 2022Publication date: October 6, 2022Applicant: Baker Hughes Oilfield Operations LLCInventor: Sandip Maity
-
Patent number: 11460446Abstract: A method is provided of inspecting a nested multi-layer structure including a first and second electrically conductive layer and a third layer disposed behind the second conductive layer. The method includes deploying a sensor device including an electromagnetic acoustic transducer to a borehole location proximate to the structure, generating a drive signal including a plurality of frequencies, applying an electrical current signal to the sensor device based on the drive signal and inducing currents in the first conductive layer that induce currents generating acoustic signals having the plurality of frequencies, detecting a first set of resonant frequencies based on received electromagnetic signals, detecting a second set of resonant frequencies based on received acoustic signals, estimating a property of the first and/or the second conductive layer based on the first set of resonant frequencies, and estimating a property of the third layer based on the second set of resonant frequencies.Type: GrantFiled: April 21, 2020Date of Patent: October 4, 2022Assignee: BAKER HUGHES OILFIELD OPERATIONS LLCInventors: Sushant Dutta, Otto Fanini, Joseph Olaiya, Sandip Maity, Wei Han, Scott Ingram
-
Patent number: 11408282Abstract: A downhole fluid analysis system includes an optical sensor that includes a light source configured to emit light, a light detector, and an optical tip optically coupled to the light source and the light detector. At least a portion of the light emitted from the light source travels through the optical tip and returns to the detector, wherein the optical tip has a bi-conical shape. The system further includes a piezoelectric helm resonator, in which the piezoelectric helm resonator generates a resonance response in response to an applied current, and an electromagnetic spectroscopy sensor positioned symmetrically with respect to the piezoelectric helm resonator in at least one direction. In some embodiments, the optical tip includes a first conical portion and a second conical portion.Type: GrantFiled: May 6, 2020Date of Patent: August 9, 2022Assignee: Baker Hughes Oilfield Operations LLCInventor: Sandip Maity
-
Patent number: 11359176Abstract: A microfluidic device (100) is disclosed for in-process monitoring of cell culture conditions including for example one or more of: cell density; cell viability; secreted proteins; protein analysis; epitope markers; concentrations of metabolites or nutrients and antigenic determinations; the device comprising: a cell inlet path (120); plural fluid reservoirs (130) in fluid communication with the cell input path, a cell analysis area (160) in fluid communication with the path and reservoirs, and a waste storage volume (166) also in fluid communication with the cell analysis area, the device being operable to cause a primary fluid flow along the inlet path to the analysis area, and to selectively cause secondary fluid flow(s) into the path from none, one or more of the selected reservoirs to combine, if one or more of the reservoirs are selected, with the primary fluid flow from the cell inlet path, in each case for analysis at the cell analysis area, the device being further operable to cause a fluid flow of tType: GrantFiled: June 22, 2017Date of Patent: June 14, 2022Assignee: GLOBAL LIFE SCIENCES SOLUTIONS USA LLCInventors: Prashanth Hosabettu Mohan, Sandip Maity, Nagapriya Kavoori Sethumadhavan, Swapnil Puranik, Li Ou, Nagaraju Konduru
-
Publication number: 20210324729Abstract: An apparatus for inspecting a well having nested multi-tubular structure, includes: an acoustic transducer conveyed in an inner-most tubular in the structure and configured to receive a return acoustic signal having a plurality of resonances due to the structure; an acoustic impedance matching material disposed on a sensing face of the acoustic transducer; a signal generator that generates a signal having a plurality of frequencies to drive the acoustic transducer; a signal shaper that modifies the signal to provide a drive signal to the acoustic transducer; and a processor configured to determine an annulus distance of any tubular in the structure with respect to an adjacent tubular using a time of flight of a transmitted acoustic signal, an acoustic speed in a component in the nested multi-tubular structure using the annulus distance and the plurality of resonances, and a characteristic of the component that corresponds with the acoustic speed.Type: ApplicationFiled: April 21, 2021Publication date: October 21, 2021Applicant: Baker Hughes Oilfield Operations LLCInventors: Elan Yogeswaren, Sandip Maity, Roger Steinsiek
-
Publication number: 20210324707Abstract: A member that is a single element for controlling flow through an inflow control device, has anisotropic density configured to move the member relative to the inflow control device such that the inflow control device allows, fully blocks, or partially blocks flow from a zone to a production string based on a density of a fluid flowing into the inflow control device from the zone.Type: ApplicationFiled: April 20, 2020Publication date: October 21, 2021Applicant: Baker Hughes Oilfield Operations LLCInventors: Ahmed AlAdawy, Ameen Malkawi, Raghavaraju Lakhamraju, Naeem-Ur Minhas, Sandip Maity
-
Patent number: 11073471Abstract: The present disclosure is for a tool for measurement of phases in fluid in downhole applications. The tool includes a light coupler for providing a first light and for detecting a second light. The first light is provided to an optical interface and the second light is received from the optical interface. The optical interface is between the tool and the fluid. An optical path is provided that is integral or coupled to the optical interface. The optical path allows transmission of the first light into the fluid at the optical interface and also allows receiving the second light from the optical interface. The second light includes one or more light components disturbed by the fluid. A processor provides digital data associated with the measurement of phases in the fluid using optical data from at least the second light.Type: GrantFiled: July 17, 2019Date of Patent: July 27, 2021Assignee: SONDEX WIRELINE LIMITEDInventor: Sandip Maity
-
Publication number: 20210201178Abstract: A method for determining a wellbore fluid phase includes receiving, from a first sensor, first fluid data for a fluid flowing through a wellbore. The method also includes receiving, from a second sensor, second fluid data for the fluid. The method further includes determining, based at least in part on the first fluid data, a first fluid property. The method also includes determining, based at least in part on the second fluid data, a second fluid property. The method further includes determining a relationship between the first fluid property and the second fluid property, the relationship based at least in part on respective evaluations of the first fluid property with respect to a first threshold and the second fluid property with respect to a second threshold. The method includes determining, based at least in part on the relationship, a phase of the fluid.Type: ApplicationFiled: December 22, 2020Publication date: July 1, 2021Applicant: Baker Hughes Oilfield Operations LLCInventors: Otto Fanini, Sandip Maity, Daniel Ratigan
-
Publication number: 20200355071Abstract: A downhole fluid analysis system includes an optical sensor that includes a light source configured to emit light, a light detector, and an optical tip optically coupled to the light source and the light detector. At least a portion of the light emitted from the light source travels through the optical tip and returns to the detector, wherein the optical tip has a bi-conical shape. The system further includes a piezoelectric helm resonator, in which the piezoelectric helm resonator generates a resonance response in response to an applied current, and an electromagnetic spectroscopy sensor positioned symmetrically with respect to the piezoelectric helm resonator in at least one direction. In some embodiments, the optical tip includes a first conical portion and a second conical portion.Type: ApplicationFiled: May 6, 2020Publication date: November 12, 2020Applicant: Baker Hughes Oilfield Operations LLCInventor: Sandip Maity
-
Publication number: 20200355073Abstract: A downhole fluid analysis system includes an optical sensor comprising, which includes a light source configured to emit light comprising a plurality of wavelengths, a light detector, and an optical tip through which at least a portion of the light travels and returns to the detector, wherein the incident angle of the light causes total internal reflection within the optical tip. The system further includes a piezoelectric helm resonator that generates a resonance response in response to an applied current, and an electromagnetic spectroscopy sensor positioned symmetrically with respect to the piezoelectric helm resonator in at least one direction. The light may be reflected in the optical tip at one or more reflection points, and each reflection point may generate an evanescent wave in a medium surrounding the optical tip. The light may be internally reflected in the optical tip at a plurality of reflection points.Type: ApplicationFiled: May 6, 2020Publication date: November 12, 2020Applicants: Baker Hughes Oilfield Operations LLC, Saudi AramcoInventors: Sandip Maity, Otto Fanini, Dwight Swett, Rocco DiFoggio, Mohamed Nabil Noui-Mehidi, Jana Mohamed Jidhan
-
Patent number: 10741998Abstract: Provided is a laser system that includes a laser head having a laser holder configured to house a laser beam and a lens for reflecting the laser beam at a predetermined wavelength, and a thermal-mechanical adjustment device disposed on the laser head and configured to adjust a temperature and an alignment of the laser beam, to maintain the predetermined wavelength of the laser beam.Type: GrantFiled: January 14, 2016Date of Patent: August 11, 2020Assignee: General Electric CompanyInventors: Sandip Maity, Ying Zhou, David Peter Robinson, Gamal Refai-Ahmed