Abstract: A drilling fluid conditioning system for a well system includes a return conduit configured to receive drilling fluid recirculated from a wellbore of the well system, a drilling fluid pre-chilling system in fluid communication with and downstream from the return conduit, wherein the drilling fluid pre-chilling system includes a cooler configured to transfer heat from the drilling fluid to a heat sink, a solids separator in fluid communication with and upstream from the cooler, and a fluid powered jet pump for pumping the drilling fluid from the solids separator to the cooler of the drilling fluid pre-chilling system, a solids control system in fluid communication with and downstream from the drilling fluid pre-chilling system, wherein the solids control system is configured to separate at least some solids from the drilling fluid.

Abstract: Methods and systems are provided for monitoring operational characteristics of a drilling system that includes a bottom hole assembly having a drill collar operably coupled to a drill bit. A device having an elongate beam and at least one pair of sensors is rigidly secured to a part of the bottom hole assembly to measure strain in the part of the bottom hole assembly. The measurement of strain can be used to derive a measurement of at least one operational parameter of the drilling system, such as dog leg severity of a wellbore, torque on bit, and/or weight on bit.

Abstract: A method of operating a payload deployment tool includes providing the payload deployment tool comprising a housing, a pressure chamber, a plurality of payload chambers in communication with the pressure chamber, each of the payload chambers having an upstream opening and an exit opening downstream of the upstream opening, a plurality of upstream pressure-rupturable seals respectively covering the upstream openings, a plurality of exit seals respectively covering the exit openings, and a plurality of payloads respectively positioned within the plurality of payload chambers, lowering the payload deployment tool into a well; and applying a pressure of a level sufficient to rupture a first one of the upstream pressure-rupturable seals covering a first one of the payload chambers to deploy a first one of the plurality of payloads into the well.

Abstract: A downhole component for integration in wellbore string is provided. The downhole component includes fluid conduits enabling fluid flow therethrough and a sealing element connected to the fluid conduits and operable between a disengaged configuration, where the sealing element is disengaged from an inner surface of the wellbore, and an engaged configuration. The downhole component also includes an actuation assembly having a blocking member releasably secured to the fluid conduits and a fluid-pressure operable actuation member slidably connected to the fluid conduits adapted to engage and operate the sealing element from the disengaged configuration to the engaged configuration.

Abstract: The systems and techniques described herein illustrate mass flow configurations for non-contact boring. Mass flow described herein may be utilized for various different purposes. In certain embodiments, a conical head may be disposed on the system of the non-contact boring system and may cause air to circulate in a manner that causes spoil to be airborne in front of the bore face, allowing for improved excavation of spoil generated by the non-contact boring.

Abstract: A mower includes a cutting assembly including a first motor for driving a cutter to rotate; a chassis supporting the cutting assembly; a walking assembly including walking wheels; and a second motor capable of driving at least the walking assembly to drive the mower to walk on the ground. The mower has a height adjustment mode, and when the mower is in the height adjustment mode, the second motor outputs power to adjust the height of the cutting assembly.

Abstract: A casing exit assembly, including a whipstock, a mill releasably attached to the whipstock, the mill including an initiation sensor and a drive, and an anchor attached to the whipstock, the anchor including a housing with a ramp, a slip disposed to move radially of the housing upon axially transitioning on the ramp, and an interlock operably attached to the driver. A method for managing a casing exit, including running the casing exit assembly to a target location in a borehole, sensing a pressure within or around the assembly, imposing a tensile load on the interlock, releasing the interlock, moving the slip with a drive plate of the interlock, and setting the slip. A borehole system, including a borehole in a subsurface formation, a string disposed in the borehole, and a casing exit assembly, disposed within or as a part of the string.

Abstract: A method comprises determining a value of at least one oppositional force for a drillstring at multiple depths in the wellbore, determining a value of a drag force for the drillstring at the multiple depths, determining a value of hook load for the drillstring at the multiple depths based on the value of the at least one opposition force and the value of the drag force at the multiple depths, and determining a calibrated drillstring weight based on a change in the value of the hook load over the multiple depths. From the calibrated drillstring weight, an adjusted estimated hook load can be determined. The drag force can be calculated based on a drag per centralizer and the number of centralizers in the wellbore. A centralizer friction factor can be determined and used to calibrate the value of the drag per centralizer.

Abstract: Systems and methods for regulating weight-on-bit (WOB). Systems and methods for regulating WOB may monitor and change the rate of penetration (ROP) or may maintain the ROP within a target range therefor. The methods for regulating WOB may include characterizing an average force profile, determining whether force profile disturbances occur at similar well elevator position, receiving data stream of hook load and elevator positions, and applying a force correction to the hook load during tool joint passing events. Systems and methods for regulating WOB may receive force profile data and sensor measurements including WOB, torque, and differential pressure for a current position of the tool joint and provide an adjustment to the ROP or maintain an ROP when the tooljoint passes through the rotating head.

Abstract: A wellbore system includes coiled tubing extending into a wellbore from a surface location and a downhole tool coupled to a downhole end of the coiled tubing. A cable extends through the coiled tubing and is operably coupled to the downhole tool within the wellbore. An insert is disposed within the coiled tubing and engages the cable. The insert includes a plurality of elongated rods radially spaced around the cable and defining a longitudinal axis of the insert, and a plurality of retractable bars extending radially inwardly from the elongated rods. The retractable bars are biased radially inward to an extended position wherein the retractable bars flex the cable into an undulating configuration with respect to the longitudinal axis, and the retractable bars are responsive to an increased tension in the cable to move radially outward to a retracted configuration.

Abstract: A riding-type mowing apparatus includes: a lower limit adjustment lever provided at a position where a user reaches the position by extending an arm of the user; a lever connection bar coupled to a lower portion of the lower limit adjustment lever and extending in a linear shape; a lower limit adjustment step rotating together with the lever connection bar and adjusting a lift-down height of the mower unit; a first front deck link coupled to a front upper surface of the mower unit; a second front deck link coupled to the first front deck link and the body frame; a first rear deck link coupled to a rear upper surface of the mower unit; a second rear deck link coupled to the first rear deck link and the body frame; and a protruding latch part making contact with a lower surface of the lower limit adjustment step.

Abstract: An alignable guidance device includes a tube section and a casing milling shoe within the tube section, a pre-contoured tube within the casing milling shoe that terminates in an exit point in the tube section, the pre-contoured tube exiting the tube section at an exit angle of between 0° and 45°. The alignable guidance device also includes guidance sensors within the tube section and a guidance device EM communications system within the tube section, the guidance device EM communications system in electrical communication with the guidance sensors.

Abstract: A system for determining health of a drill string component of a drilling machine is disclosed. The system comprises a controller configured to receive, from a sensing device, a signal indicative of a duty cycle of an actuator corresponding to an engaged position of a deck wrench. The actuator is operably coupled to the deck wrench to facilitate movement of the deck wrench between a disengaged position to allow a rotational movement of the drill string component and the engaged position to restrict the rotational movement of the drill string component. The controller is further configured to determine a wear level of the drill string component based on the duty cycle of the actuator corresponding to the engaged position of the deck wrench.

Abstract: A system for creating a tortuous flow path is disclosed. The system includes a production zone, and a man-made impermeable barrier disposed along a fluid flow path to the production zone to create tortuous flow path for a fluid flowing between the injection zone and the production zone.

Abstract: A wireline shifting tool comprising an anchor, a linear actuator, and a shifter may be at least partially controlled by one or more measurements indicating an amount of force applied to the anchor, the linear actuator, the shifter, or a combination thereof. For example, a processor may receive the one or more measurements and perform a seeking operation or cause a graphical user interface (GUI) to display information that may inform a user regarding operations associated with the wireline shifting tool.

Abstract: Proposed are a smart distribution vehicle and a control method for the smart distribution vehicle. The smart distribution vehicle includes a fork arm, a fork which is coupled to the fork arm and which extends toward a front side of the fork arm, an electromagnet mounted on the front side of the fork arm, and a control part configured to control whether to supply a current to the electromagnet by determining whether an object has a magnetic property when the object is seated on the fork arm.

Abstract: An annular pressure activated downhole tool has a housing including an outer surface, an inner surface defining a passage, an annular projection projecting into the passage from the inner surface, and an opening. A mandrel extends into the passage. The mandrel has a first end and a second end. A power spring support is detachably connected to the second end of the mandrel in the passage. A power spring is arranged about the mandrel and extends between the power spring support and the annular projection. A trigger housing is arranged in one of the mandrel and the power spring support. A trigger arranged in the trigger housing selectively engages with the inner surface. The trigger is operable to disengage from the inner surface of the housing, releasing the power spring, and shifting the mandrel along the passage when exposed to a selected annular pressure.

Abstract: A contingency for non-operation of a valve in a side pocket mandrel of production tubing includes creating a selective barrier to fluid communication across sidewalls of the production tubing. The barrier is formed by an insert that is installed in the side pocket mandrel, which includes a valve that responds to pressures inside and outside the production tubing to selectively allow fluid flow across the production tubing sidewalls. Types of the valve include a surface controlled gas lift valve, an inflow control valve, and an inflow control device.

Abstract: An annular pressure activated downhole tool has a housing including an outer surface, an inner surface defining a passage, an annular projection projecting into the passage from the inner surface, and an opening. A mandrel extends into the passage. The mandrel has a first end and a second end. A power spring support is detachably connected to the second end of the mandrel in the passage. A power spring is arranged about the mandrel and extends between the power spring support and the annular projection. A trigger housing is arranged in the power spring support. A trigger arranged in the trigger housing selectively engages with the inner surface. The trigger is operable to disengage from the inner surface of the housing, releasing the power spring, and shifting the mandrel along the passage when exposed to a selected annular pressure.

Abstract: There is provided an anchoring mechanism configured for coupling to a flow conductor, emplaceable within a wellbore that is lined with casing, wherein the anchoring mechanism is configurable in an anchoring-effective state for effectuating anchoring of the flow conductor to the casing, wherein: the anchoring mechanism is co-operable with the casing such that, while: (i) the anchoring mechanism is coupled to the flow conductor that is disposed within the wellbore that is lined with the casing, and (ii) the anchoring mechanism is disposed in the anchoring-effective state such that the flow conductor is anchored by the anchoring mechanism to the casing, the flow conductor is eccentrically disposed relative to the central longitudinal axis of the wellbore.