Patents by Inventor Christian Fulda
Christian Fulda 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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Publication number: 20180010450Abstract: An embodiment of a method of performing aspects of a downhole operation includes receiving a measurement value from a first sensor configured to measure a parameter related to the downhole operation, receiving measurement data from a different sensor, the measurement data related to the downhole operation, and performing, by a sensor evaluation module, an evaluation of the first sensor. The evaluation includes determining a condition of the first sensor based on the measurement data from the different sensor, selecting a rule that prescribes a set of one or more measurement values of the parameter that are plausible if the condition is met, and determining whether the measurement value from the first sensor is plausible based on comparing the measurement value to the prescribed set of one or more measurement values.Type: ApplicationFiled: July 7, 2016Publication date: January 11, 2018Applicant: Baker Hughes IncorporatedInventors: Ingo Forstner, Christian Fulda
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Publication number: 20170152714Abstract: Coring tools configured to procure core samples of earth formations may include a coring bit comprising a cutting structure configured to cut a core sample and an outer barrel connected to the coring bit. The outer barrel may be configured to apply axial and rotational force to the coring bit. An inner barrel may be located within the outer barrel and may be configured to receive a core sample within the inner barrel. A sponge material may line an inner surface of the inner barrel and may be configured to absorb a fluid from the core sample. A stabilizer may be connected to the outer barrel. A distance between the stabilizer and an upper extent of the coring bit may be less than 30 feet.Type: ApplicationFiled: February 13, 2017Publication date: June 1, 2017Inventors: Christian Fulda, Thomas Uhlenberg, Christoph Wesemeier
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Publication number: 20170131433Abstract: An embodiment of a system for estimating a parameter of an earth formation includes at least one formation parameter sensor disposed at a first downhole component and configured to measure a parameter of an earth formation to generate formation parameter data, and one or more processors in operable communication with the at least one formation parameter sensor. The one or more processors are configured to perform: generating a mechanics model of at least one of the first downhole component and a second downhole component, the mechanics model based on geometrical data representing at least one of the first downhole component and the second downhole component; estimating a misalignment of the at least one formation parameter sensor by using the mechanics model; and correcting the formation parameter data based on the misalignment.Type: ApplicationFiled: January 24, 2017Publication date: May 11, 2017Applicant: Baker Hughes IncorporatedInventors: Andreas Hartmann, Hanno Reckmann, Hans-Martin Maurer, Christian Fulda, Dorothea Marion Fischer
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Publication number: 20170101866Abstract: An apparatus for estimating a first property in a borehole penetrating the earth is described. The apparatus includes a carrier configured to be conveyed through the borehole. The apparatus also includes a first sensor disposed at the carrier and configured to perform a first measurement of the first property, the first sensor having a first direction of sensitivity; a second sensor disposed at the carrier and configured to perform a second measurement of a second property, the second sensor having a second direction of sensitivity; and a processor configured to receive the first and second measurements and to correct the first measurement using the second measurement in order to estimate the first property.Type: ApplicationFiled: December 21, 2016Publication date: April 13, 2017Applicant: Baker Hughes IncorporatedInventors: Sven Hollstein, Eduard Kirchmeier, Hans-Juergen Faber, Christian Fulda
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Patent number: 9618646Abstract: A system for synchronizing instruments in a drill pipe to detect formation characteristics comprises at least one first transmitter for transmitting a first signal, at least one first receiver for receiving a second signal having information based on the first signal, at least one acoustic transmitter for transmitting an acoustic signal, and at least one acoustic sensor electrically connected to one of the at least one first transmitter and the at least one first receiver, the at least one acoustic sensor for sensing the acoustic signal for synchronizing the at least one first transmitter and the at least one first receiver.Type: GrantFiled: February 21, 2012Date of Patent: April 11, 2017Assignee: BAKERY HUGHES INCORPORATEDInventor: Christian Fulda
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Publication number: 20170074041Abstract: An apparatus for drilling a directional wellbore is disclosed that in one non-limiting embodiment includes a drive for rotating a drill bit, a deflection device that enables a lower section a drilling assembly to tilt within a selected plane when the drilling assembly is substantially rotationally stationary to allow drilling of a curved section of the wellbore when the drill bit is rotated by the drive and wherein the tilt is reduced when the drilling assembly is rotated to allow drilling of a straighter section of the wellbore, and a sensor that provides measurements relating a direction of the drilling assembly for drilling the wellbore along a desired direction.Type: ApplicationFiled: September 23, 2016Publication date: March 16, 2017Applicant: BAKER HUGHES INCORPORATEDInventors: Volker Peters, Andreas Peter, Christian Fulda, Heiko Eggers, Harald Grimmer
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Publication number: 20170074042Abstract: An apparatus for drilling directional wellbores is disclosed that in one non-limiting embodiment includes a drive for rotating a drill bit, a deflection device that enables a lower section of a drilling assembly to tilt about a member of the deflection device within a selected plane when the drilling assembly is substantially rotationally stationary to allow drilling of a curved section of the wellbore when the drill bit is rotated by the drive and wherein the tilt is reduced when the drilling assembly is rotated to allow drilling of a straighter section of the wellbore, and at least one seal that isolates at least a surface of the member from outside environment.Type: ApplicationFiled: September 23, 2016Publication date: March 16, 2017Applicant: BAKER HUGHES INCORPORATEDInventors: Volker Peters, Andreas Peter, Christian Fulda, Heiko Eggers, Harald Grimmer
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Publication number: 20170067333Abstract: An apparatus for drilling a directional wellbore is disclosed that in one non-limiting embodiment includes a drive for rotating a drill bit, a deflection device that enables a lower section of the drilling assembly to tilt about a member of the deflection device within a selected plane when the drilling assembly is substantially rotationally stationary to allow drilling of a curved section of the wellbore when the drill bit is rotated by the drive and wherein the tilt is reduced when the drilling assembly is rotated to allow drilling of a straighter section of the wellbore, and a tilt sensor that provides measurements relating to tilt of the lower section. A controller determines a parameter of interest relating to the tilt for controlling drilling of the directional wellbore.Type: ApplicationFiled: September 23, 2016Publication date: March 9, 2017Applicant: BAKER HUGHES INCORPORATEDInventors: Volker Peters, Andreas Peter, Christian Fulda, Heiko Eggers, Harald Grimmer
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Patent number: 9567813Abstract: Coring tools configured to procure core samples of earth formations may include a coring bit comprising a cutting structure configured to cut a core sample and an outer barrel connected to the coring bit. The outer barrel may be configured to apply axial and rotational force to the coring bit. An inner barrel may be located within the outer barrel and may be configured to receive a core sample within the inner barrel. A sponge material may line an inner surface of the inner barrel and may be configured to absorb a fluid from the core sample. A stabilizer may be connected to the outer barrel. At least one blade of the stabilizer may be rotatable with respect to the outer barrel and may be configured to remain at least substantially rotationally stationary relative to the earth formation during coring.Type: GrantFiled: July 10, 2014Date of Patent: February 14, 2017Assignee: Baker Hughes IncorporatedInventors: Christian Fulda, Thomas Uhlenberg, Christoph Wesemeier
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Patent number: 9562428Abstract: An apparatus for estimating a first property in a borehole penetrating the earth is described. The apparatus includes a carrier configured to be conveyed through the borehole. The apparatus also includes a first sensor disposed at the carrier and configured to perform a first measurement of the first property, the first sensor having a first direction of sensitivity; a second sensor disposed at the carrier and configured to perform a second measurement of a second property, the second sensor having a second direction of sensitivity; and a processor configured to receive the first and second measurements and to correct the first measurement using the second measurement in order to estimate the first property.Type: GrantFiled: February 16, 2012Date of Patent: February 7, 2017Assignee: BAKER HUGHES INCORPORATEDInventors: Sven Hollstein, Eduard Kirchmeier, Hans-Juergen Faber, Christian Fulda
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Publication number: 20160258223Abstract: A coring bit for use on a coring tool for extracting a sample of subterranean formation from a well bore includes a bit body having a cavity, wherein a throat portion of the cavity extends into the bit body from a face of the bit body. The coring bit includes a sleeve disposed within the cavity of the bit body, the sleeve configured to separate a face discharge channel and a throat discharge channel. The face discharge channel is located radially outward of the sleeve and the throat discharge channel is located radially inward of the sleeve. A method of repairing a such a coring includes removing the sleeve from the cavity of a bit body.Type: ApplicationFiled: March 6, 2015Publication date: September 8, 2016Inventors: Thomas Uhlenberg, Christian Fulda
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Patent number: 9377554Abstract: The present disclosure relates to methods and apparatuses for estimating electrical impedance spectra and pore parameters. The method may include estimating electrical impedance spectra using an estimated average ion concentration in pores within an earth formation. The method may also include estimating electrical impedance information about the earth formation; and estimating at least one parameter of interest by comparing the electrical impedance information with the estimated electrical impedance spectra. The apparatus may include at least one processor. The apparatus may also include an electrical impedance tool configured for use in a borehole.Type: GrantFiled: September 4, 2012Date of Patent: June 28, 2016Assignee: BAKER HUGHES INCORPORATEDInventors: Matthias Bücker, Andreas Hördt, Christian Fulda
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Publication number: 20160084077Abstract: A system for performing a wellbore operation while a fluid circulates in a wellbore may include a string, a fluid circulation system, a control device, The string may include at least a first tubular section and a second tubular section. The a fluid circulating system has a first fluid path and a second fluid path, wherein only one of the first fluid path and the second fluid path circulate the fluid into the string at a specified time.Type: ApplicationFiled: December 7, 2015Publication date: March 24, 2016Applicant: BAKER HUGHES INCORPORATEDInventors: JOERG LEHR, Christian FULDA
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Publication number: 20160010401Abstract: Coring tools configured to procure core samples of earth formations may include a coring bit comprising a cutting structure configured to cut a core sample and an outer barrel connected to the coring bit. The outer barrel may be configured to apply axial and rotational force to the coring bit. An inner barrel may be located within the outer barrel and may be configured to receive a core sample within the inner barrel. A sponge material may line an inner surface of the inner barrel and may be configured to absorb a fluid from the core sample. A stabilizer may be connected to the outer barrel. At least one blade of the stabilizer may be rotatable with respect to the outer barrel and may be configured to remain at least substantially rotationally stationary relative to the earth formation during coring.Type: ApplicationFiled: July 10, 2014Publication date: January 14, 2016Inventors: Christian Fulda, Thomas Uhlenberg, Christoph Wesemeier
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Patent number: 9062540Abstract: An apparatus and method for estimating a parameter of interest of an earth formation involving alignment information between receivers and their corresponding oriented transmitters. The method may include generating signals indicative responses to energy transmitted into an earth formation; estimating differences in alignment between transmitters and receivers; using the estimated differences in alignment to compensate for misalignment; and estimating a parameter of interest using the misalignment compensated signals. The apparatus may include a bottom hole assembly with one or more oriented transmitters, one or more oriented receivers, one or more alignment sensors, and at least one processor configured to compensate for misalignment using information about difference in alignment between the at least one oriented transmitter and at least one oriented receiver.Type: GrantFiled: May 11, 2012Date of Patent: June 23, 2015Assignee: BAKER HUGHES INCORPORATEDInventors: Andreas Hartmann, Christian Fulda, Hans-Martin Maurer
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Patent number: 9052043Abstract: A wired pipe segment includes a body extending from a box end to a pin end and a coupler located in one of the box end or the pin end, the coupler including a communication element and a coupler connector in electrical communication therewith and extending away from the communication element. The segment also includes a transmission line extending away from the coupler towards the other of the box and pin end, the transmission line including an inner conductor surrounded by an insulating material, the inner conductor of the transmission line having an end with a non-cylindrical shape. The segment also includes a connector that electrically connects the coupler to the transmission line.Type: GrantFiled: November 28, 2012Date of Patent: June 9, 2015Assignee: Baker Hughes IncorporatedInventors: Stephan Mueller, Volker Krueger, Christian Fulda, Ingo Roders, VolkeR Peters
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Patent number: 8986028Abstract: A wired pipe segment includes a body extending from a box end to a pin end and a coupler located in one of the box and pin ends, the coupler including a communication element and a coupler connector in electrical communication therewith and extending away from the communication element. The segment also includes a transmission line extending away from the coupler towards the other of the box and pin end, the transmission line including an inner conductor surrounded by a dielectric material, the inner conductor extending beyond an end of the dielectric material. The segment also includes a connector that electrically connects the coupler to the transmission line, the connector including an inner conductive connection having first and second ends that are, respectively, in contact with the inner conductor and the coupler connector.Type: GrantFiled: November 28, 2012Date of Patent: March 24, 2015Assignee: Baker Hughes IncorporatedInventors: Stephan Mueller, Volker Krueger, Christian Fulda, Ingo Roders, VolkeR Peters
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Publication number: 20140148027Abstract: A wired pipe segment includes a body extending from a box end to a pin end and a coupler located in one of the box and pin ends. The coupler includes a communication element and a coupler connector in electrical communication therewith and extending away from the communication element. The segment also includes a transmission line extending away from the coupler towards the other of the box and pin end, the transmission line including an inner conductor surrounded by a dielectric material, the inner conductor extending beyond an end of the dielectric material. The segment also includes a connector that electrically connects the coupler to the transmission line, the connector including a first female end adapted to surround and make electrical contact with the coupler connector and a second end configured to have the inner conductor attached to an outer surface thereof.Type: ApplicationFiled: November 28, 2012Publication date: May 29, 2014Inventors: Stephan Mueller, Volker Krueger, Christian Fulda, Ingo Roders, VolkeR Peters
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Publication number: 20140148029Abstract: A wired pipe segment includes a body extending from a box end to a pin end and a coupler located in one of the box end or the pin end, the coupler including a communication element and a coupler connector in electrical communication therewith and extending away from the communication element. The segment also includes a transmission line extending away from the coupler towards the other of the box and pin end, the transmission line including an inner conductor surrounded by an insulating material, the inner conductor of the transmission line having an end with a non-cylindrical shape. The segment also includes a connector that electrically connects the coupler to the transmission line.Type: ApplicationFiled: November 28, 2012Publication date: May 29, 2014Inventors: Stephan Mueller, Volker Krueger, Christian Fulda, Ingo Roders, VolkeR Peters
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Publication number: 20140148028Abstract: A wired pipe segment includes a body extending from a box end to a pin end and a coupler located in one of the box and pin ends, the coupler including a communication element and a coupler connector in electrical communication therewith and extending away from the communication element. The segment also includes a transmission line extending away from the coupler towards the other of the box and pin end, the transmission line including an inner conductor surrounded by a dielectric material, the inner conductor extending beyond an end of the dielectric material. The segment also includes a connector that electrically connects the coupler to the transmission line, the connector including an inner conductive connection having first and second ends that are, respectively, in contact with the inner conductor and the coupler connector.Type: ApplicationFiled: November 28, 2012Publication date: May 29, 2014Inventors: Stephan Mueller, Volker Krueger, Christian Fulda, Ingo Roders, Volker Peters