Abstract: A flow conveyed plugging device for use in a well, the device can include a body, and one or more lines extending outwardly from the body, each of the lines having a lateral dimension that is substantially smaller than a size of the body. A method of plugging an opening in a well can include deploying at least one flow conveyed plugging device into the well, the flow conveyed plugging device including a body and, extending outwardly from the body, at least one of the group consisting of: a) one or more fibers and b) one or more lines, the flow conveyed plugging device being conveyed by flow in the well into sealing engagement with the opening. Another flow conveyed plugging device can include a body, and fibers extending outwardly from the body. The flow conveyed plugging device degrades and thereby permits flow through an opening in the well.

Abstract: A method can include conveying a dispensing tool through a wellbore, the dispensing tool including an enclosure containing plugging devices, and then opening the enclosure by cutting a material of the enclosure, thereby releasing the plugging devices from the enclosure into the wellbore at a downhole location. A dispensing tool can include a container having an enclosure therein, the enclosure including a flexible material that contains the plugging devices, and an end of the enclosure being secured to a member displaceable by an actuator. The enclosure material is cut in response to displacement of the member by the actuator. A plugging device can include at least one body configured to engage an opening in the well and block fluid flow through the opening, and multiple fibers including staple fibers or filaments formed into yarn.

Abstract: A plugging device launcher for use with a subterranean well can include a release mechanism. The release mechanism can include an actuator operative to displace at least one elongated member. The elongated member is engaged with at least one plugging device. A method of releasing plugging devices into a subterranean well can include placing a plugging device launcher in communication with a wellbore of the well, and operating an actuator of the plugging device launcher, thereby displacing at least one elongated member of the plugging device launcher. The displacing step can include disengaging the elongated member from at least one of the plugging devices.

Abstract: A compression indication tool can include a flow passage and a valve that in a closed configuration prevents fluid communication between the flow passage and an exterior of the tool, and in an open configuration permits fluid communication between the flow passage and the exterior of the tool. The valve is opened in response to application of a predetermined longitudinal compressive load to the compression indication tool. A method can include connecting a compression indication tool in a tool string, the tool including a valve that prevents fluid communication between an interior flow passage and an exterior of the tool, deploying the tool string into the well, and applying a predetermined longitudinal compressive load to the tool string, thereby opening the valve to permit fluid communication between the interior flow passage and the exterior of the tool.

Abstract: The invention relates to a system comprising a hearing protection device (13) configured to be worn by a user (10); one or more audio output devices (26) configured to generate one or more audio signals, a computing device (60) comprising a memory and one or more computer processors, wherein the memory comprises instructions that when executed by the one or more computer processors cause the one or more computer processor to: —select a training configuration (25) that defines a set of audio events (74A) that correspond to a set of user reactions (74B), —send a set of control signals to the one or more audio output device (26) that cause the one or more audio output devices (26) to simulate the set of audio events (74A), —receive reaction data (74C) that indicates whether the user (10) provided the set of user reactions (74B) to the set of audio events (74A); and —perform at least one operation based at least in part on whether the user (10) provided the set of user reactions (74B) to the set of audio events (

Abstract: A system includes an article of personal protective equipment (PPE) associated with a first worker and at least one computing device. The article of PPE includes a display device. The at least one computing device configured to receive an indication of audio data from a second worker, the audio data including a message. The at least one computing device is also configured to determine a risk level for the first worker and determine whether to display a visual representation of the message. The at least one computing device is further configured to output the visual representation of the message for display by the display device.

Abstract: A method of deploying plugging devices in a well can include a spacing between the plugging devices by controlling a ratio flow rates through intersecting pipes. A deployment apparatus can include an actuator and a release structure that releases the plugging devices into a conduit connected to a tubular string in the well. Another method of deploying plugging devices in a well can include operating an actuator, thereby displacing a release structure, and the release structure releasing the plugging devices into the well in response to operating the actuator. Another deployment apparatus can include intersecting pipes and a valve that selectively permits and prevents displacement of the plugging devices through one of the pipes.

Abstract: A system includes a plurality of articles of personal protective equipment (PPE) connected to form a network of articles of PPE, wherein each article of PPE is associated with a worker. Each article of PPE receives one or more first safety issue notifications from the network, shares the first safety issue notifications with the worker associated with the article of PPE via an output of the article of PPE, receives safety-related information at an input of the article of PPE, creates a second safety issue notification based on the safety-related information received at the input of the article of PPE, selects one or more of the other articles of PPE to receive the second safety issue notification and transmits the second safety issue notification over the network to the selected articles of PPE.

Abstract: A system can include a disconnect tool connected as part of a tubular string, the disconnect tool including an outer housing, and an inner mandrel in the outer housing, in which an abrasive slurry is directed to flow through the tubular string and from the inner mandrel to an annulus between the inner mandrel and the outer housing, and the abrasive slurry erodes through the outer housing. A method can include installing a tubular string in a well, then deploying a disconnect assembly into the tubular string, and flowing an abrasive slurry through the disconnect assembly, thereby parting the tubular string. A disconnect tool can include a rotational flow structure configured to induce rotational flow, and an inner diameter decrease downstream of the rotational flow structure.

Abstract: A method can include conveying a dispensing tool through a wellbore, the dispensing tool including an enclosure containing plugging devices, and then opening the enclosure by cutting a material of the enclosure, thereby releasing the plugging devices from the enclosure into the wellbore at a downhole location. A dispensing tool can include a container having an enclosure therein, the enclosure including a flexible material that contains the plugging devices, and an end of the enclosure being secured to a member displaceable by an actuator. The enclosure material is cut in response to displacement of the member by the actuator. A plugging device can include at least one body configured to engage an opening in the well and block fluid flow through the opening, and multiple fibers including staple fibers or filaments formed into yarn.

Abstract: A system includes a piece of equipment and an article of personal protective equipment (PPE) associated with a first worker. The PPE establishes a communications channel between the article of PPE and the piece of industrial equipment, receives status information from the piece of industrial equipment via the communications channel, notifies the worker via the PPE of the status information received from the piece of industrial equipment, receives a response from the worker via the PPE, and transmits to the piece of industrial equipment, via the communications channel and based on the response, commands that cause a change in operation of the piece of industrial equipment.

Abstract: A method can include directing fluid flow longitudinally through a well tool connected in a tubular string downstream of a longitudinally compressed circulating valve assembly, thereby causing the well tool to operate, and longitudinally elongating the circulating valve assembly while the fluid flow is ceased, and then increasing the fluid flow, thereby causing the fluid flow after the elongating to pass outwardly through a housing of the circulating valve assembly to an external annulus. Another method can include directing a fluid flow through a well tool connected in a tubular string downstream of a circulating valve assembly, thereby causing the well tool to operate, and decreasing then increasing a flow rate of the fluid flow, thereby causing the fluid flow to pass outwardly through a housing assembly of the circulating valve assembly to an external annulus. Circulating valve assemblies are also disclosed.

Abstract: A method of plugging at least one undesired opening in a fluid conduit can include introducing one or more plugging devices into the conduit, conveying the plugging devices by flow to the opening, and blocking the flow through the opening with the plugging devices. A system for plugging at least one undesired opening in a fluid conduit can include a deployment apparatus configured to introduce one or more plugging devices into the conduit, a sensor that measures a physical parameter indicative of leakage from the conduit, and a controller that activates an actuator of the deployment apparatus in response to receipt from the sensor of an indication of leakage from the conduit.

Abstract: A machine includes a frame having a first frame member selectively coupled to a second frame member. The machine also includes an alignment and connection assembly including a protrusion coupled to the first frame member. The protrusion is receivable within the second frame member to align the first frame member with the second frame member. The alignment and connection assembly also includes a fastener coupled to the protrusion. The fastener is operable to secure the first frame member relative to the second frame member.

Abstract: A plugging device, well system and method. In one example, a wrap, band or other type of binding is utilized to secure together multiple fibers, tubes, filaments, films, fabrics or lines of the plugging device. In another example, fibers, tubes, filaments, films, fabrics or lines are fused, adhered or bonded to an outer surface of a body of the plugging device. In other examples, a material of the plugging device may become more rigid or swell in a well. A plugging device may comprise a body loosely enclosed in a bag, wrapper or other enclosure.

Abstract: A hot rolled light-gauge martensitic steel sheet made by the steps comprising: (a) preparing a molten steel melt comprising: (i) by weight, between 0.20% and 0.35% carbon, less than 1.0% chromium, between 0.7% and 2.0% manganese, between 0.10% and 0.50% silicon, between 0.1% and 1.0% copper, less than 0.05% niobium, less than 0.5% molybdenum, and silicon killed containing less than 0.01% aluminum, and (ii) the remainder iron and impurities resulting from melting; (b) solidifying at a heat flux greater than 10.0 MW/m2 and cooling the molten melt into a steel sheet less than 2.0 mm in thickness in a non-oxidizing atmosphere to below 1080° C. and above Ar3 temperature at a cooling rate greater than 15° C./s; and (c) hot rolling the steel sheet to between 15% and 50% reduction and rapidly cooling.

Abstract: A multi lumen catheter assembly. The assembly provides an expandable, low profile, fixed length sheath and catheter, with fixed infusion ports. The assembly has an expandable outer sheath that expands upon pressure activation with a fluid and the sheath allows the fluid to exit from at least one predetermined fixed location from a distal end of the catheter assembly. The catheter assembly can be used in various medical device procedures, such as a TIPS (Transjugular Intrahepatic Portosystemic Shunt) procedure, or anywhere a low profile, multi lumen, infusion catheter system is desired.

Abstract: A jarring tool can include a longitudinally displaceable piston, a first fluid chamber having a volume that decreases in response to displacement of the piston, a flow controller that controls flow of fluid between the first fluid chamber and a second fluid chamber, and a plug seat secured to the piston. A method of applying a jarring force can include applying a pressure differential across a plug in a jarring tool, the plug restricting flow from a first flow passage section to a second flow passage section, then increasing a flow rate of fluid from the first flow passage section. Another jarring tool can include an outer housing with a longitudinal flow passage and seal surfaces at opposite ends of the outer housing, and a flow obstruction, fluid flow through the flow passage being increased in response to application of a pressure differential across the obstruction.

Abstract: Methods and apparatus for evaluating collected data relating to online activity, and modification of services within a service provider network. In one embodiment, a service provider collects data relating to the online activity of users of third-party services and correlates the data with subscribers of the service provider to generate useful products and analytics (e.g., classifications, behavioral models, etc.) containing information relating to the subscribers' online activity. The generated products may be used to determine whether and how to modify services provided to individual subscribers, exported for use by third parties, or for other purposes.

Abstract: Methods and apparatus for facilitating the deployment of a wireless extender in combination with a base station at a customer premises are described. Support is provided for data rate testing in combination with configuring one or more aspects of the system such as wireless extender and/or base station transmission power level. By using testing a system can be deployed where one or more devices may use transmission power levels which are less than the maximum permitted transmission power level while still supporting an expected data rate corresponding to a subscriber service level in a reliable manner. In various embodiments DFS channel black and/or white lists are generated for each link taking into consideration the determined transmit power to be used for a given link.