Patents by Inventor Peter Rottengatter
Peter Rottengatter 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: 11624274Abstract: A method of estimating a directional parameter of a downhole component includes deploying a borehole string in a borehole, the borehole string including the downhole component, the downhole component being rotatable, the downhole component including a gyroscope device and a magnetometer device. The method also includes collecting gyroscope measurement data from the gyroscope device and magnetic field measurement data from the magnetometer device during rotation of the downhole component, and estimating, by a processor, the directional parameter of the downhole component, where the estimating includes correcting the gyroscope measurement data based on the magnetic field measurement data.Type: GrantFiled: July 17, 2020Date of Patent: April 11, 2023Assignee: BAKER HUGHES OILFIELD OPERATIONS LLCInventors: Gunnar Tackmann, Tobias Kischkat, Thomas Kruspe, Peter Rottengatter
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Publication number: 20230012069Abstract: Downhole monitoring systems are described. The systems include a downhole string disposed in a borehole, the string having a downhole tool and the borehole has fluid therein. A sacrificial electrical sensor element is arranged in or on the string. The sacrificial electrical sensor element includes magnetic material at least partially exposed to the fluid and at least one coil arranged in magnetic communication with the magnetic material. A controller is configured to provide an electrical current into the coil, measure an electrical property of the coil that is based on the magnetic material in magnetic communication with the coil, and determine a wear state of the downhole tool based on the measured electrical property.Type: ApplicationFiled: July 6, 2022Publication date: January 12, 2023Applicant: Baker Hughes Oilfield Operations LLCInventors: Thomas Kruspe, Peter Rottengatter
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Patent number: 11396794Abstract: Systems and methods for measuring a parameter of interest in a borehole in an earth formation are provided. The systems include a downhole sensor having a first sensor component with a first temperature and a second sensor component with a second temperature, the downhole sensor disposed on a downhole component. A temperature control system is configured with a thermal control mechanism operatively connected to at least one of the first and second sensor components. The thermal control mechanism is configured to maintain a temperature difference between the first temperature and the second temperature below a pre-determined temperature difference. The downhole sensor is configured to measure the parameter of interest when the temperature difference is below the pre-determined temperature difference.Type: GrantFiled: May 21, 2019Date of Patent: July 26, 2022Assignee: BAKER HUGHES, A GE COMPANY, LLCInventors: Gunnar Tackmann, Tobias Kischkat, Thomas Kruspe, Peter Rottengatter
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Publication number: 20210040839Abstract: A method of estimating a directional parameter of a downhole component includes deploying a borehole string in a borehole, the borehole string including the downhole component, the downhole component being rotatable, the downhole component including a gyroscope device and a magnetometer device. The method also includes collecting gyroscope measurement data from the gyroscope device and magnetic field measurement data from the magnetometer device during rotation of the downhole component, and estimating, by a processor, the directional parameter of the downhole component, where the estimating includes correcting the gyroscope measurement data based on the magnetic field measurement data.Type: ApplicationFiled: July 17, 2020Publication date: February 11, 2021Applicant: Baker Hughes Oilfield Operations LLCInventors: Gunnar Tackmann, Tobias Kischkat, Thomas Kruspe, Peter Rottengatter
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Patent number: 10725202Abstract: An apparatus for use in a wellbore may include a transducing element transducing a first property into a second property, a sensing element generating a signal in response to the second property, a layer deposited on the transducing element and defining a track, and an active electronic component. The sensing element is fixedly connected to the transducing element. The active electronic component is fixedly connected to the transducing element and is in communication with the sensing element via the track. A related method forms a downhole tool with the apparatus and operates the downhole tool in the wellbore.Type: GrantFiled: July 21, 2017Date of Patent: July 28, 2020Assignee: Baker Hughes, a GE Company, LLCInventors: Christian Wille, Matthias C. Wahlen, Peter Rottengatter, Mathias Kloock, Sven-Hendrik Joerns
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Publication number: 20190368314Abstract: Systems and methods for measuring a parameter of interest in a borehole in an earth formation are provided. The systems include a downhole sensor having a first sensor component with a first temperature and a second sensor component with a second temperature, the downhole sensor disposed on a downhole component. A temperature control system is configured with a thermal control mechanism operatively connected to at least one of the first and second sensor components. The thermal control mechanism is configured to maintain a temperature difference between the first temperature and the second temperature below a pre-determined temperature difference. The downhole sensor is configured to measure the parameter of interest when the temperature difference is below the pre-determined temperature difference.Type: ApplicationFiled: May 21, 2019Publication date: December 5, 2019Applicant: Baker Hughes, a GE company, LLCInventors: Gunnar Tackmann, Tobias Kischkat, Thomas Kruspe, Peter Rottengatter
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Publication number: 20190025458Abstract: An apparatus for use in a wellbore may include a transducing element transducing a first property into a second property, a sensing element generating a signal in response to the second property, a layer deposited on the transducing element and defining a track, and an active electronic component. The sensing element is fixedly connected to the transducing element. The active electronic component is fixedly connected to the transducing element and is in communication with the sensing element via the track. A related method forms a downhole tool with the apparatus and operates the downhole tool in the wellbore.Type: ApplicationFiled: July 21, 2017Publication date: January 24, 2019Applicant: Baker Hughes, a GE company, LLCInventors: Christian WILLE, Matthias C. WAHLEN, Peter Rottengatter, Mathias Kloock, Sven-Hendrik Joerns
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Patent number: 8324895Abstract: An apparatus for estimating a property of an earth formation having: a plurality of receiver antennas to receive nuclear magnetic resonance (NMR) signals from a plurality of angular segments in a region of investigation in response to an interaction between a static magnetic field and pulses of electromagnetic energy; and a processor configured to: receive the NMR signals from each receiver antenna, the NMR signals having first NMR signals received from each angular segment by only one receiver antenna and second NMR signals received from a same angular segment by at least two receiver antennas; associate the first NMR signals and the second NMR signals with the angular segment from which the first NMR signals and the second NMR signals were obtained; deconvolve the second NMR signals to produce deconvolved NMR signals; and estimate the property from the first NMR signals, the deconvolved NMR signals, and the associated angular segments.Type: GrantFiled: January 19, 2010Date of Patent: December 4, 2012Assignee: Baker Hughes IncorporatedInventor: Peter Rottengatter
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Patent number: 8022698Abstract: NMR spin echo signals are acquired downhole. Principal Component Analysis is used to represent the signals by a weighted combination of the principal components and these weights are telemetered to the surface. At the surface, the NMR spin echo signals are recovered and inverted to give formation properties.Type: GrantFiled: December 31, 2008Date of Patent: September 20, 2011Assignee: Baker Hughes IncorporatedInventors: Peter Rottengatter, Mouin Hamdan
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Patent number: 8004279Abstract: NMR spin echo signals are acquired downhole. Principal Component Analysis is used to represent the signals by a weighted combination of the principal components and these weights are telemetered to the surface. At the surface, the NMR spin echo signals are recovered and inverted to give formation properties. Real-time displays may be used for determining formation properties and for altering the acquisition parameters.Type: GrantFiled: May 21, 2009Date of Patent: August 23, 2011Assignee: Baker Hughes IncorporatedInventors: Thomas Kruspe, Holger F. Thern, Peter Rottengatter, Mouin Hamdan
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Patent number: 7821260Abstract: NMR spin echo signals are acquired downhole. An independent component analysis is used to determine parameters of a parametric model of the T2 distribution whose output matches the measurements. The model parameters are telemetered to the surface where the properties of the formation are reconstructed. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).Type: GrantFiled: February 12, 2008Date of Patent: October 26, 2010Assignee: Baker Hughes IncorporatedInventors: Mouin Hamdan, Holger F. Thern, Thomas Kruspe, Peter Rottengatter
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Publication number: 20100201359Abstract: An apparatus for estimating a property of an earth formation having: a plurality of receiver antennas to receive nuclear magnetic resonance (NMR) signals from a plurality of angular segments in a region of investigation in response to an interaction between a static magnetic field and pulses of electromagnetic energy; and a processor configured to: receive the NMR signals from each receiver antenna, the NMR signals having first NMR signals received from each angular segment by only one receiver antenna and second NMR signals received from a same angular segment by at least two receiver antennas; associate the first NMR signals and the second NMR signals with the angular segment from which the first NMR signals and the second NMR signals were obtained; deconvolve the second NMR signals to produce deconvolved NMR signals; and estimate the property from the first NMR signals, the deconvolved NMR signals, and the associated angular segments.Type: ApplicationFiled: January 19, 2010Publication date: August 12, 2010Applicant: BAKER HUGHES INCORPORATEDInventor: Peter Rottengatter
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Publication number: 20090292473Abstract: NMR spin echo signals are acquired downhole. Principal Component Analysis is used to represent the signals by a weighted combination of the principal components and these weights are telemetered to the surface. At the surface, the NMR spin echo signals are recovered and inverted to give formation properties.Type: ApplicationFiled: May 21, 2009Publication date: November 26, 2009Applicant: BAKER HUGHES INCORPORATEDInventors: Thomas Kruspe, Holger F. Thern, Peter Rottengatter, Mouin Hamdan
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Publication number: 20090174402Abstract: NMR spin echo signals are acquired downhole. Principal Component Analysis is used to represent the signals by a weighted combination of the principal components and these weights are telemetered to the surface. At the surface, the NMR spin echo signals are recovered and inverted to give formation properties.Type: ApplicationFiled: December 31, 2008Publication date: July 9, 2009Applicant: Baker Hughes IncorporatedInventors: Peter Rottengatter, Mouin Hamdan
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Publication number: 20080183390Abstract: NMR spin echo signals are acquired downhole. An independent component analysis is used to determine parameters of a parametric model of the T2 distribution whose output matches the measurements. The model parameters are telemetered to the surface where the properties of the formation are reconstructed. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).Type: ApplicationFiled: February 12, 2008Publication date: July 31, 2008Applicant: BAKER HUGHES INCORPORATEDInventors: Mouin Hamdan, Holger F. Thern, Thomas Kruspe, Peter Rottengatter
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Patent number: 7235970Abstract: The present invention provides a novel use of a material having a high internal magnetostrictive damping and/or using material with explicitly low magnetostriction as an antenna core material for NMR and resistivity devices in a borehole. The probe stuctural geometry facilitates the use of material, which has a relatively low magnectic permeability.Type: GrantFiled: June 17, 2003Date of Patent: June 26, 2007Assignee: Baker Hughes IncorporatedInventors: Thomas Kruspe, Arcady Reiderman, Martin Blanz, Peter Rottengatter
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Patent number: 7180287Abstract: NMR spin echo signals, acquired on a MWD logging tool, are susceptible to errors magnetic flux density has a gradient and the magnet on the logging tool is moving relative to the earth. The errors can be corrected by having the excitation pulse cover a smaller or a larger volume than the refocusing pulses. Correction may also be made by selective saturation, or by echo averaging.Type: GrantFiled: May 5, 2004Date of Patent: February 20, 2007Assignee: Baker Hughes IncorporatedInventors: Peter Rottengatter, Holger Thern, Radu Fechete, Martin Blanz, Thomas Kruspe
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Patent number: 7084625Abstract: The present invention provides a novel use of a material having a high internal magnetostrictive damping and/or using material with explicitly low magnetostriction as a NMR probe core material. The probe structural geometry facilitates the use of material, which has a relatively low magnetic permeability.Type: GrantFiled: January 12, 2005Date of Patent: August 1, 2006Assignee: Baker Hughes IncorporatedInventors: Thomas Kruspe, Arcady Reiderman, Martin Blanz, Peter Rottengatter
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Patent number: 6984980Abstract: A loop-gap resonator for providing an excitation pulse in a down hole nuclear magnetic resonating (NMR) tool for determining a parameter of interest in a formation adjacent a borehole. The loop-gap resonator is constructed having one or more capacitive gaps formed in a nonmagnetic conductive loop. The loop-gap resonator may be deployed down a bore in a measurement while drilling (MWD) configuration or in a wire line configuration. The MWD configuration may utilize a non-rotating sleeve rotationally associated with the drill string.Type: GrantFiled: April 26, 2002Date of Patent: January 10, 2006Assignee: Baker Hughes IncorporatedInventors: Thomas Kruspe, Martin Blanz, Peter Rottengatter
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Publication number: 20050248341Abstract: The present invention provides a novel use of a material having a high internal magnetostrictive damping and/or using material with explicitly low magnetostriction as an antenna core material for NMR and resistivity devices in a borehole. The probe stuctural geometry facilitates the use of material, which has a relatively low magnectic permeability.Type: ApplicationFiled: June 17, 2003Publication date: November 10, 2005Inventors: Thomas Kruspe, Arcady Reiderman, Martin Blanz, Peter Rottengatter