Within A Borehole Patents (Class 324/338)
  • Patent number: 10539007
    Abstract: A cement head including a tubular body having a top end and a bottom end, and a borehole arranged through at least a portion of the tubular body; a cement plug arranged in the borehole and configured to exit the cement head upon releasing a retention device; and a spool assembly arranged on the tubular body, wherein the spool assembly comprises a drum rotatable about a central axis and a continuous cable having a first end and a second end, the first end being attached to the drum and the second end being attached to the cement plug, and wherein rotating the drum about the central axis results in spooling or unspooling the continuous cable about the drum.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: January 21, 2020
    Assignee: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Ronald Johannes Dirksen, David Leonwill Jones
  • Patent number: 10539704
    Abstract: Provided are systems and methods for mapping hydrocarbon reservoirs. Operations include disposing an electromagnetic (EM) transmitter and an EM receiver into first and second wellbores of first and second wells, respectively, penetrating a resistive layer of a subsurface formation bounded by first and second conductive layers. The EM transmitter and receiver each being disposed at depths proximate to intersections of the first and second wellbores and the resistive layer, respectively. The operations further including transmitting an EM signal between the EM transmitter and receiver via the resistive layer, determining transport properties associated with propagation of the EM signal from the EM transmitter to the EM receiver via the resistive layer, and determining the presence of an anomaly in at least one of the conductive layers based on the travel time.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: January 21, 2020
    Assignee: Saudi Arabian Oil Company
    Inventors: Howard Khan Schmidt, Jesus Manuel Felix Servin, Erika Shoemaker Ellis
  • Patent number: 10533411
    Abstract: A method includes deploying an electromagnetic (EM) defect detection tool in a downhole environment having a plurality of tubular strings with different diameters. The method also includes receiving raw measurements collected by the EM defect detection tool. The method also includes deconvolving the raw measurements with another input to obtain deconvolved raw measurements. The method also includes using the deconvolved raw measurements to determine a defect in at least one of the plurality of tubular strings. The method also includes performing, by a device, an operation in response to the determined defect.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: January 14, 2020
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Ahmed E. Fouda, Reza Khalaj Amineh, Luis Emilio San Martin, Burkay Donderici
  • Patent number: 10534103
    Abstract: Provided are systems and methods for mapping hydrocarbon reservoirs. Operations include disposing an electromagnetic (EM) transmitter and an EM receiver into first and second wellbores of first and second wells, respectively, penetrating a resistive layer of a subsurface formation bounded by first and second conductive layers. The EM transmitter and receiver each being disposed at depths proximate to intersections of the first and second wellbores and the resistive layer, respectively. The operations further including transmitting an EM signal between the EM transmitter and receiver via the resistive layer, determining transport properties associated with propagation of the EM signal from the EM transmitter to the EM receiver via the resistive layer, and determining the presence of an anomaly in at least one of the conductive layers based on the travel time.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: January 14, 2020
    Assignee: Saudi Arabian Oil Company
    Inventors: Howard Khan Schmidt, Jesus Manuel Felix Servin, Erika Shoemaker Ellis
  • Patent number: 10527753
    Abstract: Systems, methods, and apparatuses to generate a formation model are described. In one aspect, a logging system includes a transmitter to produce an electromagnetic field in a borehole, a receiver in the borehole to detect a first field signal induced by the electromagnetic field at a first depth of investigation and a second field signal induced by the electromagnetic field at a second depth of investigation, and a modeling unit to perform a first one-dimensional inversion on the first field signal and a second one-dimensional inversion on the second field signal, build a two-dimensional model from the first one-dimensional inversion and the second one-dimensional inversion, and perform a two-dimensional inversion on the two-dimensional model to generate a two-dimensional formation model.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: January 7, 2020
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Christophe Dupuis, Dzevat Omeragic, Yong-Hua Chen, Tarek M. Habashy
  • Patent number: 10509140
    Abstract: The shape and size of a borehole may be characterized downhole, using measurements of the borehole shape in conjunction with a catalog of shapes against which the measured shape is matched. A unique identifier for the measured borehole shape, and optionally a size parameter, may be transmitted to a surface facility, generally saving bandwidth compared with the transmission of the raw measured borehole-shape data. Alternatively or additionally, downhole measurements may be adjusted based on the measured shape.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: December 17, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Paul Andrew Cooper, George Walter John Stevenson
  • Patent number: 10508533
    Abstract: Disclosed embodiments include apparatus, systems, and methods which operate to include monitoring an electromagnetic signal and/or gamma ray spectra count values to determine interception of a first well created by a drill string, with a well casing surrounding a second well. Interception can be determined when a reception antenna is used to receive the electromagnetic signal, by examining values associated with the magnitude of the signal. Interception can also be determined when a ratio of the gamma ray spectra count values have exceeded a first predetermined threshold, or when capture gamma energy indicated by the gamma ray spectra count values exceeds a second predetermined threshold. Additional apparatus, systems, and methods are disclosed.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: December 17, 2019
    Assignee: HALLIBURTON ENERGY SERVICES, INC.
    Inventor: Hsu-Hsiang Wu
  • Patent number: 10502727
    Abstract: Apparatus is provided featuring a signal processing module configured to receive signaling containing information about detected acoustic emissions related to ore being mined from a block cave in a block caving process, including falling ore that creates unique acoustic signatures; and determine information about the ore being mined from the block cave in the block caving process, based at least partly on the signaling received. The signal processing module may receive the signaling from an array of acoustic sensors placed around the block cave, including where the array of acoustic sensors surrounds the block cave in both vertical and horizontal directions. The signal processing module may provide corresponding signaling containing corresponding information about the ore being mined from the block cave in the block caving process, including where the corresponding information includes information about a distribution and size of the ore being mined from the block cave in the block caving process.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: December 10, 2019
    Assignee: CiDRA Corporate Services LLP
    Inventor: Michael A. Davis
  • Patent number: 10473810
    Abstract: A downhole drilling tool has a deep-reading logging tool, a near-bit resistivity tool, and a gamma ray detector. Formation information logged using the deep-reading logging tool is used to build a preliminary stratigraphic model with a relatively low resolution. The preliminary stratigraphic model is further refined using data logged using the near-bit resistivity tool and/or the gamma ray detector to obtain a refined stratigraphic model with a higher resolution. The model is used to guide geosteering to achieve better well placement and trajectory control.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: November 12, 2019
    Assignee: China Petroleum & Chemical Corporation
    Inventors: Sheng Zhan, Jinzhou Yang, Jinhai Zhao, Zhen Yang, Weiping Xu, Hongbing Xiao, Herong Zheng, Haihua Zhang
  • Patent number: 10461434
    Abstract: Complementary metamaterial elements provide an effective permittivity and/or permeability for surface structures and/or waveguide structures. The complementary metamaterial resonant elements may include Babinet complements of “split ring resonator” (SRR) and “electric LC” (ELC) metamaterial elements. In some approaches, the complementary metamaterial elements are embedded in the bounding surfaces of planar waveguides, e.g. to implement waveguide based gradient index lenses for beam steering/focusing devices, antenna array feed structures, etc.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: October 29, 2019
    Assignee: Duke University
    Inventors: David R. Smith, Ruopeng Liu, Tie Jun Cui, Qiang Cheng, Jonah N. Gollub
  • Patent number: 10450861
    Abstract: Identifying the dielectric constant and/or the electrical resistivity of part of a geological formation may reveal useful characteristics of the geological formation. This disclosure provides methods, systems, and machine-readable media to determine dielectric constant or electrical resistivity, or both, using contraction mapping. Specifically, contraction mapping may be used with a function of wavenumber k to iteratively solve for values of dielectric constant and electrical resistivity until convergence is achieved. This may allow for convergence to a solution without computing partial derivatives and/or with fewer iterations than previous techniques.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: October 22, 2019
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Gong Li Wang, Tianxia Zhao, Keli Sun, Aria Abubakar
  • Patent number: 10444711
    Abstract: The invention relates to an apparatus comprising an electromechanical device, a control unit and a motion detector, wherein said electromechanical device is controllable by said control unit via a control signal, wherein said motion detector is configured such that said mechanical movement of said electromechanical device is determined and wherein said motion detector provides a motion detector signal. The invention also relates to a method for operating an electromechanical device. The technical problem of providing an apparatus with an electromechanical device, the reliability as well as the power consumption of which is improved, is solved in that the control unit is configured such that it can be influenced by the phase difference between the control signal and the motion detector signal.
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: October 15, 2019
    Assignee: Sanofi-Aventis Deutschland GmbH
    Inventors: Christian Nessel, David Moore
  • Patent number: 10436931
    Abstract: Electromagnetic sensors which provide high coupling gain between the transmitter and receiver of a dielectric tool include a conductive pad having a cavity filled with dielectric filler, and an electrical conductor that provides electrical current to a conductive feeder placed inside the dielectric filler. During operation, current is fed to the conductive feeder to thereby produce an electric monopole that feeds electromagnetic power into the cavity, which then radiates out into the formation as electromagnetic signals. Because of the design of the electromagnetic sensors, the transmitter/receiver coupling gain and SNR are optimized over the entire range of the dielectric constant (i.e., 5??r?80).
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: October 8, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Li Pan, Chao-Fu Wang, Rencheng Song, Jin Ma
  • Patent number: 10436930
    Abstract: In accordance with presently disclosed embodiments, a system and method for determining a measurement for a pseudo receiver antenna with a different lateral position and a different azimuthal direction than at least two receiver antennas disposed on one or more wellbore tools is provided. The method involves transmitting an electromagnetic signal into a subterranean formation surrounding a borehole, and measuring one or more responses of the subterranean formation to the electromagnetic signal using at least two receiver antennas. The two receiver antennas are oriented in differing azimuthal directions relative to one or more tools to which the receiver are coupled, and arranged in a non-parallel angular orientation with respect to each other. The method then includes determining a response measured by a pseudo receiver antenna with a desired angular orientation and a desired azimuthal direction with respect to the one or more tools.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: October 8, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Hsu-Hsiang Wu, Jin Ma, Joseph Keith Young
  • Patent number: 10416336
    Abstract: Improved algorithm for estimating anisotropic formation resistivity profile using a multi-component induction tool are disclosed. A method for estimating anisotropic formation resistivity profile of a formation comprises obtaining borehole corrected log data and determining at an azimuth angle of the formation. One or more formation bed boundaries are located and initial formation properties are calculated. One of a plurality of inversion windows is sequentially selected and a one-dimensional inversion of each of the sequentially selected one of the plurality of inversion windows is performed.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: September 17, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Shanjun Li, Dagang Wu, Luis E. San Martin, Yumei Tang
  • Patent number: 10392929
    Abstract: Ground penetrating radar (GPR) measurements from a downhole well tool in a wellbore are obtained to identify length of fractures adjacent the wellbore. A ground penetrating radar transmitter of the downhole tool emits an electromagnetic pulse. The electromagnetic wave of the ground penetrating radar is diffracted on encountering an end or tip of a fracture, which acts as a secondary source. The diffracted signal is then collected by downhole receiver(s) of the downhole tool. Length of the fracture is determined based on the time of travel of the electromagnetic wave from its emission until its collection as a diffracted signal by the downhole receiver(s).
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: August 27, 2019
    Assignee: Saudi Arabian Oil Company
    Inventors: Jesus Manuel Felix Servin, Erika Shoemaker Ellis, Ersan Turkoglu, Howard Khan Schmidt
  • Patent number: 10371852
    Abstract: A logging tool having a plurality of spatially separated antennas is provided and used to make propagation-style measurements in a formation. Tensors are formed using the propagation-style measurements and one or more quantities are computed using the tensors. A formation evaluation is performed using the computed quantities. The formation evaluation determines a formation property or parameter such as horizontal resistivity, vertical resistivity, relative dip, azimuthal dip, bed boundary location, or bed thickness. The computed quantities may include compensated phase shift resistivity, compensated attenuation resistivity, symmetrized phase shift resistivity, symmetrized attenuation resistivity, anti-symmetrized phase shift resistivity, and anti-symmetrized attenuation resistivity. The measurements may be corrected for antenna gain errors and an air calibration may be performed.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: August 6, 2019
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Dean M. Homan, Mark T. Frey, Sergiy Kryukov
  • Patent number: 10371781
    Abstract: A method to obtain gain-corrected measurements. A measurement tool having one or more arrays is provided, wherein the arrays include two co-located triaxial transmitters and two co-located triaxial receivers. Measurements are obtained using the transmitters and the receivers. Impedance matrices are formed from the obtained measurements and the impedance matrices are combined to provide gain-corrected measurements. The apparatus may alternatively be a while-drilling logging tool having one or more arrays, wherein each array comprises a transmitter, a receiver, and a buck, and wherein the signal received by the receiver is subtracted from the signal received by the buck or vice versa. A slotted shield may be incorporated into either embodiment of the tool. The slots may form one or more island elements. A material is disposed in the slots. The islands and shield body have complementary tapered sides that confine the islands within the shield body.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: August 6, 2019
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Dean M. Homan, Emmanuel Legendre, Reza Taherian, Jean Seydoux, Eunmi Choi, Gerald N. Minerbo, Sergiy Kryukov, Robert C. Smith
  • Patent number: 10365391
    Abstract: A resistivity measuring tool used in a drillstring having a drill bit on a distal end for drilling a wellbore in a formation includes a tool body having a longitudinal axis, a pair of transmitter antennas having magnetic moments parallel to the longitudinal axis of the tool body, and a pair of receiver antennas radially spaced from the longitudinal axis of the tool body and having transverse magnetic moment components pointed in opposite directions, wherein at least one of the receiver antennas has a transverse magnetic moment angled with respect to a component normal to the longitudinal axis of the tool body.
    Type: Grant
    Filed: September 9, 2017
    Date of Patent: July 30, 2019
    Assignee: Well Resolutions Technology
    Inventor: Tsili Wang
  • Patent number: 10345477
    Abstract: The present disclosure describes various antenna assemblies, each antenna coil being disposed about a tool body section in an antenna pathway. The antenna pathway passes through alternating grooves and lands. At least one of the grooves is disposed in the tool body section at a non-axial direction relative to the longitudinal axis of the tool body section. The antenna coil may be an axial coil or a tilted coil. Additional grooves oriented at axial direction may be disposed on the tool body section. Various methods include acquiring a plurality of data pairs using one or more antenna coils, each data pair comprising an induced signal at a receiver and a corresponding toolface angle using a tool including at least one antenna assembly, to generate a measurement including obtaining information about the directionality of the formation by calculating areas of an induced signal function approximated by the plurality of data pairs.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: July 9, 2019
    Assignee: Oliden Technology, LLC
    Inventor: Jian Yang
  • Patent number: 10338266
    Abstract: An electromagnetic energy source for emitting pulses of electromagnetic energy includes a sonde assembly having a first section axially aligned with, and spaced from, a second section. An energy storage capacitor includes an electrode mounted in each of the first section and the second section of the sonde assembly and operable to generate an electric field. A capacitive charge storage medium is mounted in each of the first section and the second section of the sonde assembly and surrounds each electrode, where the capacitive charge storage medium is a giant dielectrics and giant permeability ferrite. A fast-closing switch is located between the first and second sections of the sonde assembly.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: July 2, 2019
    Assignee: Saudi Arabian Oil Company
    Inventors: Erika Ellis, Howard K. Schmidt, Jesus Manuel Felix Servin
  • Patent number: 10338264
    Abstract: An electromagnetic energy source for emitting pulses of electromagnetic energy includes a sonde assembly and an energy storage capacitor. The energy storage capacitor has an electrode mounted in the sonde assembly and operable to generate an electric field, and a capacitive charge storage medium surrounding the electrode. A communication cable extends through a tubular member to the electrode. A fast-closing switch is positioned such that when the fast-closing switch is in a closed position, a circuit is formed that discharges the electrode.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: July 2, 2019
    Assignee: Saudi Arabian Oil Company
    Inventors: Howard K. Schmidt, Erika Ellis, Jesus Manuel Felix Servin
  • Patent number: 10324219
    Abstract: Signal measurements collected by azimuthally sensitive electromagnetic logging tool as a function of position in a borehole are obtained. The signal measurements are used to identify a type of formation model. An inversion technique appropriate to the type of formation model is applied to the set of signal measurements to determine a geophysical property. The geophysical property is used to make a decision regarding drilling a well.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: June 18, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventor: Hsu-Hsiang Wu
  • Patent number: 10324432
    Abstract: A system and method to control drilling based on determining a sensitivity range of an electromagnetic tool include obtaining a resistivity model over an interval of depths, obtaining an original tool response from the resistivity model over the interval of depths for a tool configuration, and positioning an artificial layer in the resistivity model to generate a modified resistivity model. The method also includes obtaining a modified tool response from the modified resistivity model and iteratively performing the positioning the artificial layer and the obtaining the modified tool response, estimating the sensitivity range according to a position of the artificial layer when a normalized difference between the original tool response and the modified tool response reaches a threshold value, and assigning a different confidence level to information obtained from the resistivity model beyond the sensitivity range and controlling the drilling based on the resistivity model and the confidence level.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: June 18, 2019
    Assignee: BAKER HUGHES, A GE COMPANY, LLC
    Inventors: Sergey Martakov, Mikhail Vladimirovich Sviridov
  • Patent number: 10317560
    Abstract: Various embodiments include apparatus and methods to operate a drilling operation relative to formation boundaries. The apparatus and methods can include operating one or more transmitters in a borehole in a formation having a thickness between two boundaries, selecting thickness models based on applying responses from operating the one or more transmitters such that the thickness of the formation is between the two thickness models, and generating a value of a distance to a nearest boundary based on linearization of the thickness models with respect to a long distance investigation parameter and a short distance investigation parameter. Additional apparatus, systems, and methods are disclosed.
    Type: Grant
    Filed: September 27, 2011
    Date of Patent: June 11, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Yumei Tang, Wenshan Yu, Michael S. Bittar
  • Patent number: 10302805
    Abstract: A method for making downhole electromagnetic logging while drilling measurements includes rotating an electromagnetic logging while drilling tool in a subterranean wellbore. The logging while drilling tool includes at least first and second tilted transmitter antennas longitudinally spaced along a logging while drilling tool body and at least first and second tilted receiver antennas. A plurality of electromagnetic voltage measurements is acquired at the first and second tilted receiver antennas while rotating and processed to compute harmonic voltage coefficient. Ratios of selected ones of the harmonic voltage coefficients are then processed to compute at least one gain compensated measurement quantity.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: May 28, 2019
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventor: Mark T. Frey
  • Patent number: 10293365
    Abstract: A device which prints an electrically conductive pattern on a downhole tool using electrical ink includes a print head assembly and gripper claw assembly to print and manipulate the downhole tool during printing, respectively. The electrically conductive pattern may be an antenna coil, circuit or other desired pattern. After printing, the accuracy of the pattern is verified by the system and an impact resistant coating is applied to the pattern.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: May 21, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventor: Robert L. Reynolds
  • Patent number: 10295697
    Abstract: Various embodiments include apparatus and methods to determine true formation resistivity. Such apparatus and methods may use techniques to effectively reduce or eliminate polarization horn effects at boundaries between formations of different resistivity. The techniques may use combinations of geosignals and adjustments of measurement data to evaluate true formation resistivity for formation layers investigated. Such techniques and associated analysis may be conducted real time. Additional apparatus, systems, and methods are disclosed.
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: May 21, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Hsu-Hsiang Wu, Michael S. Bittar
  • Patent number: 10267945
    Abstract: Disclosed herein is a method of determining a relation between a resistivity logging tool and casing in an earth formation. The method includes acquiring coupling voltages for different tool face angles, between different antenna components of different axes of a transmitting station transmitting into the earth formation and different antenna components of different axes of a receiving station receiving from the formation, using the resistivity logging tool. Then, spatial Fourier coefficients are extracted from the coupling voltages, using a computing device associated with the resistivity logging tool. The relation between the resistivity logging tool and the casing is then determined as a function of the spatial Fourier coefficients and at least one resistivity measurement of the earth formation, using the computing device.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: April 23, 2019
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventor: Dzevat Omeragic
  • Patent number: 10261211
    Abstract: Nuclear magnetic resonance (NMR) logging tools may be configured for situation-dependent NMR logging operations by including two dissimilar coils that may function in four different modes of operation based on logging conditions including: a resistivity of the fluid, a diameter of the wellbore, a depth into the subterranean formation of the volume of investigation, or a combination thereof. For example, an NMR logging tool with a z-coil and a transversal coil may be useful in generating in a volume of investigation of a subterranean formation either (1) a transversal radiofrequency (RF) excitation with the transversal coil or (2) a quadrature RF excitation with both the z-coil and the transversal coil, where the choice of transversal or quadrature RF excitation is based on the logging conditions; and detecting an NMR signal from the subterranean formation with one of: (1) the transversal coil or (2) both the z-coil and the transversal coil.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: April 16, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Lilong Li, Arcady Reiderman
  • Patent number: 10253614
    Abstract: A resistivity measuring tool used in a drillstring having a drill bit on a distal end for drilling a wellbore in a formation includes a tool body having a longitudinal axis, a transmitting antenna, and a receiving antenna. The receiving antenna includes an antenna body having a longer axis disposed longitudinally in the tool body, and a wire coil having a central axis disposed around the antenna body, wherein the wire coil central axis is substantially perpendicular to the longer axis of the antenna body, and wherein the wire coil is configured to generate a magnetic moment orthogonal to the tool body longitudinal axis. The transmitting antenna is configured to transmit electromagnetic energy into the formation and induce a voltage signal related to a parameter of the formation in the receiving antenna.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: April 9, 2019
    Assignee: Well Resolutions Technology
    Inventor: Tsili Wang
  • Patent number: 10247846
    Abstract: Various triaxial antenna designs having are provided. Some embodiments include a split-z coil that can include two axial coils with saddle coils in the x- and y-directions located therebetween. The split z-coils can function by having a combined magnetic moment similar to that of a single axial coil located between the two parts of the split z-coil. In some examples, the antenna assemblies can include a protrusion or other non-planar structure.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: April 2, 2019
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Scott Dyas, Dean M. Homan, Sergiy Kryukov, Reza Taherian, Daniel Codazzi
  • Patent number: 10241228
    Abstract: Various embodiments include apparatus and methods related to finding a position in an underground formation. Apparatus and methods can include receiving signals from a receiver in an underground formation in response to signals generated from transmitting sources, each of the transmitting sources located at a known position; and processing the received signals, based on the signals generated from the transmitting sources, to determine the position of the receiver. A number of techniques can be applied to processing the received signal. Additional apparatus, systems, and methods are disclosed.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: March 26, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Luis Emilio San Martin, Baris Guner, Burkay Donderici
  • Patent number: 10241227
    Abstract: An apparatus and method for a property ahead of a drill bit in a borehole penetrating a formation. The apparatus may include at least one receiver toroid disposed on a carrier and a transmitter toroid configured to induce an electromagnetic signal in the formation and disposed between the drill bit and the at least one receiver toroid. The apparatus may include at least one processor configured to estimate the property using a signal produced by the at least one receiver. The method may include estimating the property using the signal produced by the at least one receiver toroid. The method may also include one or more of: (i) generating a conductivity curve based on signals from at least one receiver toroid, (ii) validating signals from one receiver toroid based on a conductivity curve of another receiver toroid, and (iii) filtering a receiver toroid signal using lateral resistivity information.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: March 26, 2019
    Assignee: BAKER HUGHES, A GE COMPANY, LLC
    Inventor: Matthias Gorek
  • Patent number: 10241158
    Abstract: A system for determining an orientation of a nitrogen vacancy (NV) diamond material is disclosed. The system includes the NV diamond material having a plurality of NV centers, a magnetic field generator that generates a magnetic field, a radio frequency (RF) excitation source that provides RF excitation, an optical excitation source that provides optical excitation, an optical detector that receives an optical signal emitted by the NV diamond material, and a controller. The controller controls the magnetic field generator to generate a control magnetic field and controls the magnetic field generator to successively generate calibration magnetic fields. The controller successively receives light detection signals from the optical detector, stores measurement values based on the successively received light detection signals, and calculates an orientation of the NV diamond material based on the stored measurement values.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: March 26, 2019
    Assignee: LOCKHEED MARTIN CORPORATION
    Inventors: Arul Manickam, Peter G. Kaup, John B. Stetson, Jr.
  • Patent number: 10222504
    Abstract: An antenna assembly for wellbore logging tools is provided. The antenna assembly includes a coil wrapped about an outer surface of a bobbin positioned within a saddle of a tool mandrel. The antenna assembly also includes an inner sleeve positioned on an outer surface of the tool mandrel within the saddle, the inner sleeve being interposed between the coil and the tool mandrel. The antenna assembly also includes a plurality of ferrite channels formed within a groove defined in an inner surface of the inner sleeve, in which the plurality of ferrite channels being laterally separated by a plurality of dividers formed in the groove. The antenna assembly also includes a plurality of ferrites disposed within respective ones of the plurality of ferrite channels.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: March 5, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Anand Prakash, Alexei Korovin, James H. Cobb
  • Patent number: 10203193
    Abstract: Various embodiments include apparatus and methods related to finding a position in an underground formation. Apparatus and methods can include receiving signals from a receiver in an underground formation in response to signals generated from transmitting sources, each of the transmitting sources located at a known position; and processing the received signals, based on the signals generated from the transmitting sources, to determine the position of the receiver. A number of techniques can be applied to processing the received signal. Additional apparatus, systems, and methods are disclosed.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: February 12, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Luis Emilio San Martin, Baris Guner, Burkay Donderici
  • Patent number: 10161246
    Abstract: Sensor assemblies are described for measuring isotropic, anisotropic, or directionally dependent, characteristics of a subterranean formation. Sensor assemblies can include sensors deployed on a tool string. One or more of the sensors can be rotatable relative to the tool string. Rotating one or more sensors relative to the tool string can provide data about the subterranean formation at multiple points around the tool string.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: December 25, 2018
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Richard Thomas Hay, Burkay Donderici
  • Patent number: 10161245
    Abstract: Transient responses of a tri-axial resistivity tool corresponding to an electromagnetic (EM) impulse are derived. A transient response of a directional resistivity tool (DRT) corresponding to the EM impulse is derived based on the transient responses of the tri-axial resistivity tool. A theoretical late time transient response of the DRT is derived based on the transient response of the DRT. The late time transient response of the DRT is measured. An anisotropy, a horizontal conductivity, and a dip angle are determined based on the measured late time transient response and the theoretical late time transient response.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: December 25, 2018
    Assignee: Saudi Arabian Oil Company
    Inventor: Teruhiko Hagiwara
  • Patent number: 10157167
    Abstract: A system and method discloses performing a fracture operation at a wellsite about a subterranean formation. The method involves, obtaining wellsite measurements by placing a downhole tool in a wellbore and using the downhole tool to acquire measurements of the subterranean formation, simulating the obtained wellsite measurements to determine formation parameters comprising conductivity tensors based on a formation model of the measured subterranean formation, validating the formation model by comparing the obtained wellsite measurements with the simulated wellsite measurements, generating fracture parameters and triaxiality indicators based on the validated formation model, and fracturing the subterranean formation based on the generated fracture parameters and triaxiality indicators.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: December 18, 2018
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Gong Li Wang, Keli Sun, Aria Abubakar, Thomas D. Barber
  • Patent number: 10145975
    Abstract: Data obtained with an electromagnetic energy transmitter in borehole to surface electromagnetic (BSEM) transmitter is processed. The processed data provides measures of detected electromagnetic fields, induced polarization and electromagnetic well logging information of interest for surveying and mapping of subsurface formations.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: December 4, 2018
    Assignees: Saudi Arabian Oil Company, BGP Arabia Co. Ltd.
    Inventors: Alberto Marsala, Muhammad H. Al-Buali, Tang Biyan, Zhanxiang He
  • Patent number: 10139371
    Abstract: A system comprises one or more electromagnetic coils configured to generate and direct excitation signals toward a plurality of casings in a wellbore and receive response signals based on the excitation signals. The system further comprises one or more processors configured to receive a first response signal from the one or more electromagnetic coils and determine one or more characteristics of a first defect in the plurality of casings using the first response signal and small defect information.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: November 27, 2018
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Reza Khalaj Amineh, Luis Emilio San Martin, Burkay Donderici
  • Patent number: 10132953
    Abstract: Methods and apparatus for determining at least one parameter of interest of an earth formation. Methods include using at least one transmitter to initiate at a single location in the formation a first electromagnetic signal at a first frequency and a second electromagnetic signal at a second frequency different than the first frequency for propagation through the formation; receiving the first electromagnetic signal propagating through the formation and the second electromagnetic signal propagating through the formation at a single receiver non-collocated with the at least one transmitter; estimating a relative phase shift of the second electromagnetic signal relative to the first electromagnetic signal; estimating a relative attenuation of the second electromagnetic signal relative to the first electromagnetic signal; using the relative attenuation and the relative phase shift to estimate a parameter of interest of the formation. The receiver may be unsynchronized with respect to the transmitter.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: November 20, 2018
    Assignee: BAKER HUGHES, A GE COMPANY, LLC
    Inventors: Andreas Hartmann, Sheng Fang
  • Patent number: 10072490
    Abstract: A rotary steerable system includes a non-rotating housing, azimuthal resistivity antennas and electronics, disposed within the non-rotating housing, configured to measure a distance to an approaching upper or lower formation boundary, and a control module configured to steer a drill bit along a well path and, based on measurements from the azimuthal resistivity antennas, to steer the housing away from the approaching upper or lower formation boundary and thereby maintain a certain distance between the steerable housing and upper or lower formation boundary.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: September 11, 2018
    Assignee: Well Resolutions Technology
    Inventors: Borislav J. Tchakarov, Tsili Wang
  • Patent number: 10061051
    Abstract: Systems, methods, and devices for evaluation of an earth formation intersected by a borehole using a logging tool. Methods include exciting an upper and lower transmitter; receiving signals at a plurality of receivers between the upper and lower transmitter; estimating a phase shift attributable to a volume of interest of the formation adjacent to a section of the carrier corresponding to the plurality of receivers by estimating phase shifts attributable only to portions of the volume of interest adjacent to corresponding portions of the section between each adjacent pair of receivers of the plurality of receivers; wherein each adjacent pair is positioned at a corresponding distance that is no more than half of the shortest wavelength of those wavelengths associated with the received signals. Estimating a phase shift between an adjacent pair of receivers may be carried out using a first relative phase value; and a second relative phase value.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: August 28, 2018
    Assignee: BAKER HUGHES, A GE COMPANY, LLC
    Inventors: Babak Kouchmeshky, Otto N. Fanini
  • Patent number: 10048399
    Abstract: An antenna assembly includes a tool mandrel having a tool axis, and a coil including a plurality of windings wrapped about the tool mandrel at a winding angle offset from the tool axis. A soft magnetic band radially interposes the coil and the tool mandrel and extends about a circumference of the tool mandrel at a band angle orthogonal to the winding angle. The soft magnetic band includes a plurality of inserts, and a gap is defined between each laterally adjacent insert and the gap extends parallel to the tool axis.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: August 14, 2018
    Assignee: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Jin Ma, Glenn Andrew Wilson, Burkay Donderici
  • Patent number: 10024996
    Abstract: An antenna assembly includes a tool mandrel having a tool axis, and a plurality of coils are collocated about the tool mandrel and each include a plurality of windings wrapped about the tool mandrel. A soft magnetic band radially interposes the plurality of coils and the tool mandrel and includes a plurality of inserts that form two or more annular arrays axially spaced from each other and extend about the tool mandrel at an angle orthogonal to the tool axis. The inserts in each annular array are circumferentially spaced from each other.
    Type: Grant
    Filed: October 12, 2015
    Date of Patent: July 17, 2018
    Assignee: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Jin Ma, Glenn Andrew Wilson, Burkay Donderici
  • Patent number: 9989666
    Abstract: A method for determining at least one electrical property of an earth formation includes emitting an electromagnetic signal into the earth formation from an antenna and measuring an electromagnetic signal from the earth formation. The antenna is a broadband log antenna mounted on a substrate having at least a high dielectric permittivity, defined as a dielectric permittivity of about ?=100 to ?=1000 or a gigantic dielectric permittivity, defined as a dielectric permittivity of about ?=1000 or greater. The antenna has a radius between about 2.5 millimeters (mm) and 10 centimeters (cm). The method further includes determining at least one electrical property of one or more of a borehole, a borehole fluid, and the earth formation based on measuring the electromagnetic signal.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: June 5, 2018
    Assignee: BAKER HUGHES, A GE COMPANY, LLC
    Inventors: Sergey A. Terentev, Yuliy Dashevsky
  • Patent number: 9976920
    Abstract: A method may include transmitting a narrowband signal into a formation using a transmitter located in a wellbore. The narrowband signal is modified by passage of through the formation and the formation reflects at least a portion of the narrowband signal back to the wellbore resulting in a modified narrowband signal having a first frequency. The method also includes sensing the modified narrowband signal with an optical waveguide positioned in the wellbore, transmitting a source signal along a length of the optical waveguide, and obtaining a backscattered return signal from the optical waveguide. The backscattered return signal is sampled at a second frequency that is less than the Nyquist rate of the modified narrowband signal. The method further includes processing the backscattered return signal to obtain an amplitude of the modified narrowband signal.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: May 22, 2018
    Assignee: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Leonardo de Oliveira Nunes, David Andrew Barfoot, Andreas Ellmauthaler, Yenny Natali Martinez, Xinwei Lan
  • Patent number: 9970290
    Abstract: A method utilized in borehole logging, such as in surveying or exploration relating to a subsurface formation. The method includes deploying a logging instrument that includes a pressure sensor into a borehole drilled into the formation. The method includes the steps of obtaining a first pressure value at a first depth in the borehole, obtaining at least one further pressure value subsequent to the first pressure value during withdrawing or advancing the logging instrument in the borehole, and determining one or more characteristics of the subsurface formation, utilizing at least one of the further pressure values, or a change in pressure (??) between the first pressure value and a said further pressure value or values, or a change in pressure (??) between a said further pressure value and another said further pressure value, or a combination of two or more of such values.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: May 15, 2018
    Inventors: Brett James Wilkinson, Gordon Henderson Stewart, Jerome Christian Dupuis, Anton Kepic