Abstract: A nozzle assembly for a fuel injector includes a nozzle body and a needle tip positioned within the nozzle body. The needle check includes a terminal end surface positioned in spaced, facing relation to a sac surface of the nozzle body, to form a sac cavity. The terminal end surface and sac surface each have spherical shapes, and are centered about a longitudinal axis of the nozzle body. Structures of the terminal end surface and the sac surface are such that a clearance between them is nowhere less than along a line segment between centers of the terminal end surface and the sac surface, the sac cavity has a reduced volume, and wall thickness at the nozzle tip is sufficient for improved fracture resistance.

Abstract: Application of lecithin-based oil compositions to additive particles to control dusting. Without limitation, a method of reducing an amount of dust produced during transfer of additive particles in well operations may comprise providing treated additive particles comprising additive particles and a lecithin based oil composition disposed on a surface of at least portion of the particles. The lecithin -based oil composition may comprise a lecithin and an organic solvent. The method may further comprise mixing components comprising the treated additive particles and a base fluid to provide a treatment fluid. The method may further comprise introducing the treatment fluid into a subterranean formation.

Abstract: A dielectric logging tool for use in a borehole that penetrates a subsurface formation, includes: at least one wall-contacting face with one or more embedded microstrip antennas including a transmit antenna; an oscillator that supplies a transmit signal; a coherent receiver that measures the one or more scattering coefficients; and a processor that derives a formation property from the one or more scattering coefficients. The tool may be conveyed along a borehole, with the scattering coefficients and derived formation property values associated with tool position and orientation to provide a permittivity log.

Abstract: A method of mitigating annular pressure buildup includes providing or using a foamed treatment fluid including: an aqueous base fluid; a water-soluble polymer comprising carbonyl groups; an organic crosslinking agent that comprises an amine group that is capable of crosslinking the water-soluble polymer comprising carbonyl groups; a foam surfactant; and sufficient gas to form a foam; and introducing the foamed treatment fluid into a well bore annulus. A foamed treatment fluid includes an aqueous base fluid; a water-soluble polymer comprising carbonyl groups; an organic crosslinking agent that comprises an amine group that is capable of crosslinking the water-soluble polymer comprising carbonyl groups; a foam surfactant; and sufficient gas to form a foam.

Abstract: Systems and methods are disclosed for dynamically providing content to a user. The disclosed embodiments include generating a recommendation matrix based on event data received from a client. In certain embodiments, the client may be configured to generate event data associated with the client or a user associated with the client. The disclosed embodiments may also include generating an offer score matrix based on the recommendation matrix and the event data. In certain aspects, the offer score matrix may include score values associated with a set of offers to be provided to the user. The disclosed embodiments may identify a first offer from the set of offers based on the score values for the offers and provide an identification of the first offer. The disclosed embodiments may also receive content associated with the first offer for display on the client.

Abstract: A method and system for electromagnetic well ranging. The method may comprise receiving signals from one or more receiver coils at different depths in a second wellbore, applying a band-stop filter to the received signals to provide filtered signals, and processing the filtered signals to determine a position of the first wellbore with respect to the second wellbore. An electromagnetic ranging system may comprise a transmitter coil disposed in a second wellbore, a receiver coil disposed in the second wellbore, an information handling system coupled to the transmitter coil and the receiver. The information handling system may be configured to receive signals from one or more receiver coils at different depths in the second wellbore, apply a band-stop filter in a frequency domain to provide filtered signals, and process the filtered signals to determine a position of the first wellbore with respect to the second wellbore.

Abstract: A method of real-time impedance matching includes conveying a tool through a borehole where the tool includes a transmit cavity antenna and receive cavity antenna for transmitting and receiving signals through a subsurface formation. The tool also includes a cable for routing signals within the tool and at least one variable inductor or variable capacitor in an impedance-matching circuit. The method further includes measuring a reflection of a signal transmitted through the formation and determining a target impedance based on the impedance of the cable and the reflection. The method further includes adjusting the at least one variable inductor or variable capacitor such that the impedance of the matching circuit substantially equals the target impedance and receiving a signal from the formation via the adjusted impedance of the matching circuit.

Abstract: Ingestible devices and methods useful for providing information useful in the diagnosis of gastrointestinal abnormalities are provided.

Abstract: A method and system for transmitting information in well operations. The method for transmitting information may comprise splitting a coherent light into a plurality of wavelengths with a demultiplexer within a fiber comb transmitter and encoding information onto at least one of the plurality of wavelengths within the fiber comb transmitted. The method may further comprise combining the plurality of wavelengths into a second coherent light with a wavelength division multiplexer within the fiber comb transmitter and broadcasting the second coherent light from the frequency comb transmitter. A downhole telemetry system may comprise a frequency comb transmitter, which may comprise a laser source and a modulator. The modulator may further comprise a demultiplexer, an encoder, and a wavelength division multiplexer. The frequency comb transmitter may also comprise a fiber optic cable and a frequency comb receiver.

Abstract: A system includes an electromagnetic transmitter disposed in a first borehole. The system further includes an optical fiber disposed in a second borehole. The system further includes an array of electromagnetic transducers coupled to the optical fiber in the second borehole. The transducers are able to operate simultaneously with each other. The system further includes one or more processors to generate a tomographic image of at least a partial formation between the first and second borehole based on measurements of tomography signals, transmitted by the electromagnetic transmitter, collected by the array.

Abstract: The connector includes a main body defining a longitudinal passage traversing through a longitudinal length of the main body. The main body includes a distal portion with a first end and a second end and a proximal portion with a third end and a fourth end. The third end includes a flange and the flange is connected to the first end. The second end defines at least one first air inlet. The second end includes an enlarged portion, the enlarged portion forming a distal-most end surface of the main body. The at least one first air inlet I set apart from the distal-most end surface.

Abstract: There is provided a Czochralski puller installation for Si monocrystalline ingot growth, including: a Czochralski puller; a SiOx dust filter system; and a vacuum pump connected downstream of said SiOx dust filter system, the SiOx dust filter system including at least a first filtration branch having a first SiOx filter unit, and at least a second filtration branch having a second SiOx filter unit, the first filtration branch and the second filtration branch being disposed in parallel and connected to a common first connection point upstream of first and second upstream valves and to a common second connection point downstream of first and second downstream valves, the first and the second filtration branches being connected through a bypass branch having a needle valve for pressure equilibration between the first and the second filtration branches.

Abstract: Application of polyaminated fatty acid-based oil compositions to additive particles to control dusting. A method reducing an amount of dust produced during transfer of additive particles in well operations may comprise providing treated additive particles comprising additive particles and a polyaminated fatty acid-based oil composition disposed on a surface of at least portion of the particles, wherein the polyaminated fatty acid-based oil composition comprises a polyaminated fatty acid and an organic solvent. The method may further comprise mixing components comprising the treated additive particles and a base fluid to provide a treatment fluid. The method may further comprise introducing the treatment fluid into a subterranean formation.

Abstract: Switchable multi-antenna fluid sensing systems and methods, including a tubular-mounted switchable multi-antenna fluid sensing system that includes two antenna arrays that each senses fluid characteristics not sensed by other antenna arrays, each array including multiple antenna sub-arrays and each sub-array including a receive and transmit antenna with a radial transmission direction different from that of other sub-arrays. The system also includes two RF multiplexers, each coupled to the antennas within the arrays and to corresponding RF transceivers within a sensor tube. A CPU within the sensor tube couples to the RF transceivers, controls signal transmission by, and processes received signals from, the antennas. RF cables coupling the RF transceivers and RF multiplexers are grouped and routed through one end of the sensor tube. The CPU further causes the RF multiplexers to periodically couple to the antennas and stores and/or transmits data representing the received signals.

Abstract: The present disclosure relates to an information gathering method. The information gathering method includes identifying a location of a package, the location associated with one or more location-based restrictions on collecting data. The information gathering method also includes restricting access to sensor-collectable data associated with the package in accordance with the or more location-based restrictions.

Abstract: An atomizing assembly includes a tubing section having an inlet end and an outlet end. The inlet end of the tubing section is connectable to a liquid storage portion, and the outlet end of the tubing section is in fluid communication with an atomizing nozzle. The tubing section is configured to deliver a flow of liquid aerosol-forming substrate through the atomizing nozzle. The atomizing nozzle includes an air channel configured to establish an air flow through the nozzle. The air flow is mixed with the flow of liquid aerosol-forming substrate.

Abstract: An electronic smoking article includes a first section containing a liquid supply reservoir including liquid material, a heater operable to heat the liquid material to a temperature sufficient to vaporize the liquid material and form an aerosol, and a wick in communication with the liquid material and operable to deliver the liquid material to the heater, and a second section containing a power supply. The first section is connected to the second section at a breakaway connection. The breakaway connection includes a weakened region.

Abstract: A vacuum cleaner capable of detecting a shape of an object with high precision. A vacuum cleaner includes a main casing, driving wheels, a control unit, a plurality of cameras, an image generation part, and a shape acquisition part. The driving wheels enable the main casing to travel. The control unit controls drive of the driving wheels to make the main casing autonomously travel. The cameras are disposed apart from each other in the main casing to pick up images on a traveling-direction side of the main casing. The image generation part generates a distance image of an object positioned on the traveling-direction side based on the images picked up by the cameras. The shape acquisition part acquires the shape information of the picked-up object from the distance image generated by the image generation part.

Abstract: A method of forming a short-hop communications transceiver includes creating, in a conductive tool body, an annular cavity that is electromagnetically coupled to an external tool surface by a surface gap that encircles the tool body. The method further includes positioning material having high magnetic permeability in the annular cavity. The method further includes coupling electrical leads from an electronics module to opposite sides of the surface gap. The method further includes operating the electronics module to perform short-hop telemetry by driving or sensing a voltage signal across the surface gap.

Abstract: Methods and systems are provided for path management. Consistent with disclosed embodiments, path management system may be configured to perform a series of operations for real time path analysis. The embodiments may determine a user location based on received location data, and then determine a user path based on a sequence of user locations. The embodiments may calculate a path map based on user locations, and then determine one or more of a user density map and a user velocity map based on the path map. The embodiments may determine regions of the user density maps and user velocity maps, and provide instructions to one or more of an environment and a user device. The embodiments may provide guidance to a user of user of the path management system, and/or instructions to change a status of a service location; or modify a product layout or fixture arrangement.