General Electric Company

Ge Medical Systems Global Technology Company, LLC

Other

Ge Precision Healthcare LLC

Ge Energy Oilfield Technology, Inc.

Baker Hughes Oilfield Operations LLC

John Scott Price

Bruce Matthew Dunham

Sergio Lemaitre

Colin Richard Wilson

Vasile Bogdan Neculaes

Uwe Wiedmann

Carey Shawn Rogers

William Robert Ross

Mark Ernest Vermilyea

Ansas Matthias Kasten

Marshall Gordon Jones

Antonio Caiafa

Joseph Darryl Michael

Fulton Jose Lopez

Mark Alan Frontera

Yun Zou

Andrew Thomas Cross

Juan Pablo Cilia

Steve Buresh

David Wagner

Peter Michael Edic

William Hullinger Huber

Darren Lee Hallman

Aniruddha Dattatraya Gadre

Chengbao Wang

Richard Michael Roffers

Xi Zhang

Paul Michael Ratzmann

Ye Bai

Sudeep Mandal

Kasegn Dubale Tekletsadik

Ertugrul Berkcan

Yang Cao

Robert John Filkins

Brian David Yanoff

Brian Lee Lawrence

Matthew Christian Nielsen

Yuri Alexeyevich Plotnikov

Clifford Bueno

Vance Scott Robinson

Walter John Smith

Joseph Manak

Susanne Madeline Lee

Forrest Frank Hopkins

Douglas J Snyder

Edward James Nieters

Louis Paul Inzinna

Stanislav Ivanovich Soloviev

Peter Andras Zavodszky

Wayne Frederick Block

Vladimir Anatolievich Lobastov

Karl F Sherwin

Vincent Scott Smentkowski

Yuri Plotnikov

Sarah Lillian Katz

Joseph John Manak

Peter Andras Zavodsky

Leighton Schafer

Michael D Drory

Lois Horwitz

William J Heller

Denise Mariano

Todd M Sahner

Frederick Wheeler

Various systems and methods are provided for a biased cathode assembly of an X-ray tube with improved thermal management and a method of manufacturing same. In one example, a cathode assembly of an X-ray tube comprises an emitter assembly including an emitter coupled to an emitter support structure, and an electrode assembly including an electrode stack and a plurality of bias electrodes. The emitter assembly including a plurality of independent components that are coupled together. The electrode assembly including a plurality of independent components that are coupled together, and the emitter assembly being coupled to the electrode assembly.

Biased cathode assembly of an X-ray tube with improved thermal management and a method of manufacturing same

A system for melting, sintering, or heat treating a material is provided. The system includes a cathode, an anode, and a focus coil assembly having a quadrupole magnet. The quadrupole magnet includes four poles and a yoke. The four poles are spaced apart and surround a beam cavity. Each of the four poles includes a pole face proximate the beam cavity and an end opposite the pole face. The first and third poles are aligned along an x-axis and configured to have a first magnetic polarity at their respective pole faces and a second magnetic polarity opposite the first magnetic polarity at their respective ends. The second and fourth poles are aligned along a y-axis and configured to have the second magnetic polarity at their respective pole faces and the first magnetic polarity at their respective ends. The yoke surrounds the poles and is coupled to the poles.

Systems and methods for electron beam focusing in electron beam additive manufacturing

Biased cathode assembly of an x-ray tube with improved thermal management and a method of manufacturing same

A downhole multi-modality inspection system includes a first imaging device operable to generate first imaging data and a second imaging device operable to generate second imaging data. The first imaging device includes a first source operable to emit energy of a first modality, and a first detector operable to detect returning energy induced by the emitted energy of the first modality. The second imaging device includes a second source operable to emit energy of a second modality, and a second detector operable to detect returning energy induced by the emitted energy of the second modality. The system further includes a processor configured to receive the first imaging data and the second imaging data, and integrate the first imaging data with the second imaging data into an enhanced data stream. The processor correlates the first imaging data and the second imaging data to provide enhanced data for detecting potential wellbore anomalies.

Data fusion enhanced multi-modality wellbore integrity inspection system

A system and method for monitoring and controlling build quality during electron beam manufacturing of a build part. The system may include at least one electron beam source to direct at least one electron beam onto a plurality of deposited layers of metallic powder to form a melt pool, a detector to detect in real-time backscattered energy ejected from the melt pool and indicative of a defect in the build part and generate a detection signal representative of the defect. A controller receives and analyzes the detection signal and generates a corrective signal for control of at least one of the actuator and the at least one electron beam source to direct the at least one electron beam onto the plurality of deposited layers of metallic powder to sequentially consolidate patterned portions of the plurality of deposited metallic powder layers to adaptively form the three-dimensional build part.

System and method for monitoring and controlling build quality during electron beam manufacturing

An apparatus for inspecting integrity of a multi-barrier wellbore is described. The apparatus includes at least one source to generate radiation to impinge a target volume of the wellbore. The apparatus includes a source collimator having a plurality of alternating blocking channels and passing channels to direct radiation to impinge the target volume, such that the radiation directed from each passing channel forms a plurality of field of views extending radially into the target volume. The apparatus further includes at least one detector to receive backscatter rays arising from each respective field of view from the plurality of field of views and to generate an image representative of an inspected portion of the wellbore. The apparatus is useful for inspecting very small volumes in the multiple barriers of the wellbore and determine the integrity of the wellbore based on the different densities in the image of the inspected portion.

Apparatus and method for inspecting integrity of a multi-barrier wellbore

A cathode assembly design is provided that includes two flat emitters, a longer emitter filament and a shorter emitter filament. In one implementation the focal spot sizes produced by the long and short emitters overlap over a range. Thus, one emitter filament may be suitable for generating small and concentrated focal spot sizes while the other emitter filament is suitable for generating small and large focal spots sizes.

Cathode assembly for use in X-ray generation

A detector assembly includes scintillators configured to generate a light signal in response to an impinging backscatter signal, where the scintillators are arranged in a first pattern, a plurality of first detectors, where each first detector is coupled to a scintillator and configured to receive a first portion of a light signal from that scintillator, and where the first detectors are arranged in a second pattern aligned with the first pattern, a plurality of second detectors, where each second detector is disposed adjacent a scintillator and configured to receive a second portion of the light signal from that scintillator, and where the plurality of second detectors is arranged in a third pattern, and a scintillator collimator including a plurality of openings and configured to selectively receive the backscatter signal, where the detector assembly is configured to provide depth resolution, azimuthal resolution, a defect type, a defect size, or combinations thereof.

System and method for monitoring integrity of a wellbore

A detector assembly includes a scintillator configured to generate a light signal in response to an impinging radiation signal from an object, where the scintillator has a first end and a second end. Further, the detector assembly includes a first detector disposed adjacent the scintillator and configured to receive a first portion of the light signal from the scintillator and a second detector operatively coupled to the second end of the scintillator and configured to receive a second portion of the light signal from the scintillator. The detector assembly also includes a reflector operatively coupled to the scintillator and the first detector and configured to guide the light signal from the scintillator to the first detector, where the reflector is configured to redirect the first portion of the light signal by a determined amount to reduce a path length between a radiation source, the object, and the scintillator.

System and method for monitoring a wellbore

A flat emitter configured for use in an X-ray tube is presented. The X-ray tube includes a first conductive section including a first terminal. Further, the X-ray tube includes a second conductive section including a second terminal. Also, the X-ray tube includes a third conductive section disposed between the first conductive section and the second conductive section, wherein the third conductive section is configured to emit electrons toward a determined focal spot, and wherein the third conductive section includes a plurality of slits subdividing the third conductive section into a winding track coupled to the first conductive section and the second conductive section, wherein at least two of the plurality of slits are interwound spirally to compose the winding track, and wherein the winding track is configured to expand and contract based on heat provided to the third conductive section.

Flexible flat emitter for X-ray tubes

A well integrity inspection system configured to inspect a well structure including multiple concentric layers. The well integrity inspection system includes an inspection probe positioned in the well structure. The inspection probe includes a plurality of excitation assemblies for transmitting a plurality of radiation emissions into the well structure. The plurality of excitation assemblies includes at least a neutron excitation assembly and an X-ray excitation assembly. The inspection probe also includes a plurality of detection assemblies configured to receive a plurality of backscatter radiation returns from the well structure. The plurality of detection assemblies includes at least a neutron detection assembly and an X-ray detection assembly. The well integrity inspection system further including a processor operatively coupled to the inspection probe. The processor is configured to determine a well integrity parameter of the well structure based on at least one of the plurality of backscatter radiation returns.

Gas well integrity inspection system

An X-ray tube assembly is provided including an emitter configured to emit an electron beam, an emitter focusing electrode, an extraction electrode, and a downstream focusing electrode. The emitter focusing electrode is disposed proximate to the emitter and outward of the emitter in an axial direction. The extraction electrode is disposed downstream of the emitter and the emitter focusing electrode. The extraction electrode has a negative bias voltage setting at which the extraction electrode has a negative bias voltage with respect to the emitter. The downstream focusing electrode is disposed downstream of the extraction electrode, and has a positive bias voltage with respect to the emitter. When the extraction electrode is at the negative bias voltage setting, the electron beam is emitted from an emission area that is smaller than a maximum emission area from which electrons may be emitted.

X-ray tube with adjustable electron beam

An X-ray tube assembly includes an electron beam transport tube, a beam tube protection assembly, and a control module. The electron beam transport tube includes an opening configured for passage of an electron beam, and includes an inner surface bounding the opening along a length of the electron beam transport tube. The beam tube protection assembly includes a plurality of beam protection electrode segments disposed within the opening of the electron beam transport tube and configured to protect the inner surface of the electron beam transport tube from contact with the electron beam. The control module is configured to determine a direction of the electron beam responsive to information received from the beam tube protection assembly.

Systems and methods for monitoring and controlling an electron beam

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Niskayuna, NY, United States of America

John Scott Price