Abstract: The invention relates to a device for clearing a helix gap of an auger, comprising a retainer for holding the device on a mast of a drill, a guide tube which surrounds the auger in portions and is mounted on the retainer, and a clearing element which engages in the helix gap and is mounted on the retainer so as to be freely rotatable about the drilling axis. According to the invention it is provided for the guide tube to be mounted on the retainer so as to be freely rotatable about the drilling axis, for the clearing element to be firmly attached to the rotatably mounted guide tube, for the guide tube to be axially fixed in the direction of the drilling axis, for the purpose of clearing, and for the clearing element, together with the guide tube, to be able to be caused to rotate about the drilling axis by means of a pulling procedure of the auger for the purpose of clearing the auger.

Abstract: A technique facilitates control over a downhole well operation. The technique utilizes an electronic control system for controlling actuation of a downhole application-specific attachment. According to an embodiment, the system comprises a universal actuator module which may be selectively combined with a variety of application-specific attachments, e.g. well tools. The universal actuator module is electrically powered via, for example, electricity supplied to drive an electric motor which, in turn, may be used to drive a hydraulic pump or other type of mechanical device. Additionally, a given application-specific attachment can be readily interchanged with other application-specific attachments (e.g. well tools) for performing a desired downhole operation or operations.

Abstract: Devices and methods of a pod that deploys from an aircraft or vehicle and descends to safely land. The pod is configured to be attached to an aircraft or vehicle. The pod includes walls that extend around and form a contained interior space that houses one or more travelers or cargo containers. During flight of the aircraft or vehicle, the pod deploys from the aircraft or vehicle while at an elevation above ground. A landing location is determined for the pod. While the pod is descending, the pod is steered towards and lands at the landing location.

Abstract: A system includes a well fluid diversion assembly configured to pump a volume of wellbore fluid from a first well to a second well of a single drilling or production platform or of different drilling or production platforms. The diversion assembly includes a first flexible tubing releasably connected to an outlet valve of a wellhead assembly of the first well and a second flexible tubing releasably connected to a wellhead assembly of the second well. The diversion assembly also includes a flowmeter and a sampling valve configured to selectively flow a portion of the volume to a fluid sampling port.

Abstract: An exposed resistive heating element is coupled to an electric power supply. The exposed resistive heating element is malleable such that it can be wrapped around a component to be heated. A controller is coupled to the power supply and the exposed resistive heating element. The controller is configured to regulate current exchanged between the exposed heating element and the electric power supply.

Abstract: A control line protector for protecting one or more downhole control lines running alongside a pipe, comprising a body with one or more channels, wherein each of the one or more channels is adapted to receive a control line, and an attachment assembly coupled to the body for attachment to an outer surface of the pipe, wherein the attachment assembly comprises an inner collar comprising a tubular portion and a plurality of gripping arms extending axially away from the tubular portion and arranged to deflect radially inwards and an outer sleeve adapted to slide at least partially over the inner collar, wherein when the inner collar and the outer sleeve are arranged axially around the pipe and pressed together each of the plurality of gripping arms is deflected radially inwards by the outer sleeve to grip the pipe and thereby secure the body to the outer surface of the pipe.

Abstract: Provided is a wellbore scraper assembly for use with a wireline. The wellbore scraper assembly, in one example, includes a tubular housing, a plurality of hydraulically deployable scraper features associated with the tubular housing, the plurality of hydraulically deployable scraper features configured to move from a first retracted state to a second radially extended state, and a hydraulic deployment system coupled to the plurality of hydraulically deployable scraper features, the hydraulic deployment system configured to move the plurality of hydraulically deployable scraper features from the first state to the second state.

Abstract: A rotatable plate is configured to be coupled to a rotary table of a rig floor. The rotatable plate defines a central passage through which a tubular can be passed. Multiple arms each have a first end rotably coupled to the rotatable plate. The arms are hinged such that a distal end of the arms, away from the rotatable plate, are configured to move towards or away from the passage. Each of arms extends away from the rotatable plate towards the passage. The arms are biased away from the passage. Rollers are rotably coupled to one of the distal ends of the arms.

Abstract: An aircraft monitoring system for an electric aircraft is disclosed. The monitoring system may include at least a sensor configured to generate a failure datum. The failure datum includes a datum regarding a condition of an electric motors. An electronic checklist may include a crew alerting system (CAS). A CAS may be in electronic communication a sensor, wherein the CAS is comprised of at least a computing device. A CAS may generate a plurality of remedy data as a function of the failure datum. A CAS then may display the plurality of remedy data using a pilot display. A pilot may be prompted to apply the remedy datum using a pilot display as a function of the plurality of remedy data. The CAS provides an indication of the condition of the electric motor using a pilot display as a function of the application of the plurality of remedy data.

Abstract: A trajectory setting device that sets a trajectory of a host vehicle includes a first path generation unit configured to generate a first path by assuming all obstacles around the host vehicle to be stationary obstacles, a second path generation unit configured to generate a second path when the moving obstacle is assumed to move independently, a third path generation unit configured to generate a third path when the moving obstacle is assumed to move while interacting with at least one of the other obstacles or the host vehicle, a reliability calculation unit configured to calculate reliability of the second path and reliability of the third path, and a trajectory setting unit configured to set the trajectory for traveling from the first path, the second path, and the third path based on the reliability of the second path and the reliability of the third path.

Abstract: A landing gear monitoring and alerting system includes a locking pin configured to be inserted into an aperture extending through a linkage of an extended landing gear assembly. When inserted into the aperture, the locking pin inhibits movement of the linkage to establish a locked state of the extended landing gear assembly. This system further includes a magnetic sensor and a communication module. The magnetic sensor is disposed proximate the aperture and is configured to sense a magnetic response indicative of the locking pin being disposed within the aperture. The magnetic sensor is configured to generate a sensor output indicative of the locking pin being disposed within the aperture. The communication module has a transmitter coupled to the magnetic sensor so as to receive the sensor output and is configured to responsively transmit a signal indicative of the locking pin being disposed within the aperture.

Abstract: A controller for a hydraulic braking system for an aircraft is disclosed. The hydraulic braking system includes a first accumulator and a second accumulator, the controller configured to: receive first signals including first pressure data from a first pressure transducer associated with the first accumulator, receive second signals including second pressure data from a second pressure transducer associated with the second accumulator, monitor the received first and second signals to determine whether a predetermined condition has been met, and issue a warning indicating a loss of integrity of the hydraulic braking system in response to a determination that one or more predetermined conditions has been met. A hydraulic braking system for an aircraft and method to determine the integrity of a hydraulic braking system are also disclosed.

Abstract: A method for predicting a stick-slip event includes measuring one or more surface properties using a sensor at the surface. The method also includes measuring one or more downhole properties using a downhole tool in a wellbore. The method also includes determining that the one or more surface properties and the one or more downhole properties match a distribution. The distribution occurs before two or more previously-detected stick-slip events. The method also includes determining a likelihood that a stick-slip event will occur based at least partially upon the distribution that the one or more surface properties and the one or more downhole properties match.

Abstract: A setting tool for actuating a downhole plug in a wellbore includes a housing, a piston positioned at least partially within the housing wherein the piston defines an internal firing chamber that is in fluid communication with an exhaust port, an expansion chamber positioned between an outer surface of the piston and an inner surface of the housing wherein the exhaust port is configured to convey combustion products along a combustion flowpath extending from the firing chamber and into the expansion chamber, and an exhaust diffuser distinct from the piston and the housing and including an exhaust passage and at least one baffle face, the baffle face configured to redirect the flow of combustion products along the combustion flowpath and channel the flow of combustion products into the exhaust passage.

Abstract: A system for sequestering carbon in a well includes a fluid waste processor configured to receive the fluid waste, to receive water, to separate solids from the fluid waste such that a separated fluid waste is generated, and to introduce the separated fluid waste and the water into a disposal well, a first sensor positioned at a first location and configured to measure a flowrate of the separated fluid waste and the water. The system includes a data processor configured to determine an amount of carbon sequestered in the well based on the flowrate measured by the first sensor and a hydrocarbon content of the separated fluid waste and the water, and a second sensor positioned at a second location in the fluid waste processor, the second sensor configured to measure a flowrate of the separated fluid waste but not a flowrate of the water.

Abstract: A stage cementing tool for use in a wellbore comprises a mandrel having a plurality of circumferentially spaced first longitudinal slots and a plurality of circumferentially spaced second longitudinal slots. An opening sleeve is disposed in the mandrel in a first position and movable relative thereto. A setting sleeve disposed about the mandrel is connected to the opening sleeve and movable therewith. A drive sleeve disposed in the mandrel above the opening sleeve is connected to and movable with a closing sleeve disposed about the mandrel.

Abstract: A control system for a pressure management apparatus (PMA) of a drilling system has an onsite device in close proximity to and in communication with the PMA and an offsite device at a remote location. Both the onsite and offsite devices are connected to a network, such as the Internet, through which the devices can communicate with one another. The onsite device receives data in real-time from the PMA and the offsite device can access the data in real-time via the network. The offsite device can generate a command based on the data or user input at the offsite device and send the command to the onsite device to modify one or more settings of the PMA. A control panel is displayed on the user interface of the offsite device to allow an operator to remotely control the PMA.

Abstract: A device for controlling injection of treatment fluids in plunger lift systems includes a lubricator cap coupleable to a lubricator. The lubricator cap defines a fluid inlet coupleable to a fluid injection system. A sensor coupled to the lubricator cap detects arrival of a plunger within the lubricator a controller communicatively coupled to the sensor transmits an indicator corresponding to arrival of plunger to a fluid injection control system. In response, the fluid injection system injects fluid into the fluid inlet to recharge the plunger. In certain implementations, the sensor detects arrival of the plunger at the lubricator by detecting movement of a lubricator spring or a component of a lubricator spring, such as a spring follower.

Abstract: An untethered downhole tool includes a first body, a second body, a logging sensor, a motor, and a controller. Each of the first and second bodies includes a housing that defines an inner volume and a magnetic anchor configured, in an active state, to attach the body to a wellbore tubular. The motor is attached to one of the first or second bodies and coupled to a spooler. The controller is communicably coupled to the motor and the first and second magnetic anchors. The controller is configured to adjust one of the first or second magnetic anchors from the active state to an inactive state; and activate the motor to operate the spooler to spool the cable from the spooler to increase a length of a portion of the cable between the spooler and the detached first or second body.

Abstract: What is provided is a method and apparatus wherein a rotating and reciprocating swivel of adjustable stroke length and shearable by ram blow out preventers can be detachably connected to an annular blowout preventer thereby separating the lower wellbore from the riser. In one embodiment the mandrel of the swivel extends through a sleeve/housing. The sleeve/housing has a wiping arrangement of improved configuration that wipes debris from the mandrel, preventing entry of the debris into the sleeve/housing. Ports enable discharge of the removed debris from the area of the sleeve/housing.