Abstract: In a method of supplying an element for covering a non-vision area in a curtain wall on an architectural structure, a plurality of shadow boxes is prefabricated at a location remote from both a unitized curtain wall assembly shop and the architectural structure. The shadow boxes are prefabricated by sealing an interior spacer between a vision glass panel and a back structure. The back structure includes an insulating material surrounded by a rigid envelope. The vision glass panel, the back structure and the interior spacer define a hermetically sealed void therein. A structural seal is applied about the interior spacer and is affixed to the peripheral edge of the vision glass, the interior spacer and the back structure. The plurality of shadow boxes is then delivered to a selected one of the unitized curtain wall assembly shop and the architectural site.

Abstract: A fire rated door includes a core, a first decorative panel and a second decorative panel. The core includes: (a) a fire resistant center panel having a bottom, a top, a first side, a second side, a first end and a second end, wherein the fire resistant center panel is made of a first fire resistant material, and (b) an extruded fire resistant border attached to the first side, the second side, the first end and the second end of the fire resistant center panel, wherein the extruded fire resistant border is made of a second fire resistant material having a higher density than the first fire resistant material. The first decorative panel is attached to the top of the fire resistant center panel and the extruded fire resistant border. The second decorative panel is attached to the bottom of the fire resistant center panel and the extruded fire resistant border.

Abstract: A weatherstrip and associated method of forming the weather-strip includes a body having a core formed of a first material and at least partially encapsulated in an extrusion material. A bright strip or metal show surface is integrated within the extrusion body to provide an aesthetically pleasing bright strip. The end of the bright strip is formed at an end of the weatherstrip to provide a one-piece structure.

Abstract: A light input-adjustable window shade includes a supporting member having first and second ends respectively coupled to a positioning seat and a level fixing device. The level fixing device includes a housing and a transmission unit mounted in the housing. The transmission unit includes a rotational shaft extending beyond the housing. A first end of a spool is rotatably mounted to the positioning seat. A second end of the spool is coupled to the rotational shaft of the level fixing device. A first periphery of a shade body is fixed to and coiled around the spool. The shade body is wound around a rod of a weighting unit. A second periphery of the shade body is fixed to a coupling portion of the supporting member.

Abstract: A portable framed artistic window pane covers includes plain and textured window pane film mounted on glass or transparent polyvinyl sheet with a prismatic effect that allows incoming light to pass through a window pane while refracting the light at random or semi-random angles in a manner that distorts viewed images through window panes of any size outside a home, office, or structure to create privacy for persons inside home, office, and other structures.

Abstract: A nut stacking mechanism (1) for the displacement of slats between a stacking zone (L2) and a sliding zone (L1), comprising a spindle (2), on which a nut (3) is displaceable between the stacking zone (L2) and the sliding zone (L1), a rotation stop element (4), to form in the sliding zone (L1), in the rotational direction of the spindle (2), an obstacle for the movement of the nut (3), and a stacking element (5), to form in the stacking zone (L2), in the longitudinal direction of the spindle (2), an obstacle for the movement of the nut (3), wherein, by displacement of at least a part of the rotation stop element (4) and the stacking element (5), the boundary between the stacking zone (L2) and the sliding zone (L1) is provided displaceably in the longitudinal direction of the spindle (2).

Abstract: A covering for an architectural covering is provided. The covering may include a multiple stage spring assembly. The spring assembly may include a non-rotatable first member, a first spring including a first end portion and a second end portion, and a second spring including a first end portion and a second end portion. The first end portion of the first spring may be coupled to the first member. The first end portion of the second spring may be coupled to the second end portion of the first spring to rotate with the second end portion of the first spring.

Abstract: A window shade includes an upper track, a lower track below the upper track, and front and rear connecting members. Two ends of each of the front and rear connecting members are respectively connected to the upper and lower tracks. A partitioning plate is mounted between the upper and lower tracks. Each of the front and rear connecting members strings the partitioning plate. A first curtain includes a first curtain body and a first weight. Two ends of the first curtain body are respectively connected to the upper track and the first weight. A second curtain includes a second curtain body and a second weight. Two ends of the second curtain body are respectively connected to the second weight and the partitioning plate. A separate adjustment module is connected to the upper track and strings the first and second weights for simultaneously pulling the first and second weights.

Abstract: A curtain assembly includes a top rail and a bottom rail, and a curtain is connected between the top and bottom rails. At least one wire extends through the top rail, the curtain and the bottom rail so as to collect and expand the curtain. A resilient member is horizontally connected to the top rail. The at least one wire extends through the resilient member. The two ends of the restriction member are respectively connected to the two ends of the resilient member so as to restrict the expanding distance of the resilient member. The stored force of the resilient member holds the curtain which is maintain stable and does not swing.

Abstract: A light input-adjustable window shade includes a supporting unit having a main rod and two sliding rods. Each sliding rod is slideably mounted to one of two ends of the main rod. A positioning seat is fixed to an end of each sliding rod distant to the main rod. Each sliding rod has a coupling portion. A spool is rotatably mounted to the positioning seats of the supporting unit. A shade body includes a first periphery fixed to the spool and a second periphery. The shade body is coiled around the spool. A weighting unit includes a rod body comprised of an inner rod and two movable rods. Each movable rod is slideably mounted to one of two ends of the inner rod. The shade body is wound around the rod body. The second periphery of the shade body is fixed to the coupling portions of the two sliding rods.

Abstract: A light input-adjustable window shade includes a supporting unit having a main rod and two sliding rods. Each sliding rod is slideably mounted to one of two ends of the main rod. A positioning seat is fixed to an end of each sliding rod distant to the main rod. Each sliding rod has a coupling portion. A spool is rotatably mounted to the positioning seats of the supporting unit. A shade body includes a first periphery fixed to the spool and a second periphery. The shade body is coiled around the spool. A weighting unit includes a rod body comprised of an inner rod and a movable rod. The movable rod is slideably mounted to one of two ends of the inner rod. The shade body is wound around the rod body. The second periphery of the shade body is fixed to the coupling portions of the two sliding rods.

Abstract: A mounting system for a roller blind includes a tension bar for mounting under pressure between first and second sides of a windows frame. The tension bar may provide both long and short adjustment of mounting system width. The tension bar extends through a hollow roller tube of the roller blind, and through a clutch mechanism of the roller blind, and is coupled to end mounting fixtures. The length of the tension bar may be adjusted as a long adjustment of mounting width. Various mechanisms may be associated with one or both of the end mounting fixtures for short adjustment of mounting width, such as a latch mechanism, wedge mechanism, spring-loaded mechanism, or turn-buckle system. End pads at the ends of the blind provide friction and absorb excess pressure. The mounting mechanism serves as a universal window blind bracket and support rod, which requires no screws or nails to install.

Abstract: A flexible sunscreen is provided intended for use in a sunshade assembly of the type comprising a flexible sunscreen having a central part and two opposed inwardly folded longitudinal edges connected to the central part by means of folding lines, and two opposed longitudinal guides for receiving therein and guiding corresponding ones of the inwardly folded longitudinal edges of the flexible sunscreen, which guides are provided with locking members for engaging an outer end of the inwardly folded longitudinal edges for preventing these edges from moving out of the longitudinal guides. The central part of the flexible sunscreen mainly is manufactured from a first material with a first stiffness wherein of the inwardly folded longitudinal edges and of the parts of the central part adjacent the edges at least part is made of a second material with a second higher stiffness.

Abstract: A winding device for the covering of building openings, comprising a sheetlike, flexible cover element for at least partial covering of the at least one building opening and a winding element driven by a drive unit for adjusting a cover surface of the covering, wherein the cover element can be wound and unwound with the winding element. According to the invention, in addition to a first cover element, there is provided a second cover element), which can be arranged overlapping with the first cover element in the covering state, wherein the cover elements can be wound and unwound with a winding element.

Abstract: A motor-operated drive system for a window covering system including a headrail, a mechanism associated with the headrail to spread and retract the window covering, and a continuous cord loop extending below the headrail for actuating the mechanism to spread and retract the window covering. The drive system includes a motor, a driven wheel that engages and advances the continuous cord loop, and a coupling mechanism for coupling the driven wheel to a rotating output shaft of the motor for rotation of the driven wheel. The drive system includes a channel system for redirecting the continuous cord loop engaged by the driven wheel, or other mechanism for configuring the drive system so that continuous cord loop extends in a substantially vertical orientation. The coupling mechanism includes an engaged configuration in which rotation of the output shaft of the motor causes rotation of the driven wheel, and a disengaged configuration.

Abstract: The present invention relates broadly to a fall arrester (10) attached to a user's harness via a coupling arrangement (6). The fall arrester (10) is designed to be attached to a backup rope or safety line (12). The fall arrester 10 ( )comprises a body (14), and a lever (16) pivotally coupled to the body (14). The lever (16) includes a primary cam (18) which is arranged to co-operate with the coupling arrangement (6). In operation, descent of the user urges the coupling arrangement (6) into contact with the lever 16 which pivots to effect braking of the safety line (12) between the body (14) and the primary cam (18).

Abstract: A roofing ladder bracket and safety assembly adapted to be secured to a roof of a building comprising a base member and a clamping member configured as a ladder clamping mechanism for firmly securing a ladder to a roof of a building and including a safety mechanism to which a worker's safety equipment or a worker's tethered tool can be attached.

Abstract: Methods and systems are disclosed for a drilling rig that includes a mast, such as a telescoping mast. The mast has at least three sections, namely a top section, one or more intermediate sections that constitute the intermediate section, and a bottom section. Further, the drilling rig also includes a substructure that is removably attached to the mast. That is, the drilling rig may be attached at its bottom section to the drill floor of the substructure, which has components on and below it. The drill floor has an adjustable height through contact with at least one power source, such as mechanical (e.g., hydraulic, pneumatic, etc.), electrical, and combinations thereof. Further still, the drilling rig is transportable in a single load as opposed to having to transport the drilling rig on multiple loads on multiple trucks.

Abstract: A system and method can include a module including at least one actuation assembly configured to transition between an inactive configuration and an active configuration. The system include at least one sensor configured to obtain data that is indicative of an operating parameter, and at least one processor configured to be electronically coupled to the guidance module and the at least one sensor. The at least one processor is configured to, in response to 1) input received from the at least one sensor that is indicative of the measured operating parameter, and 2) received input that is indicative of an actual drilling direction that is deviated from the predetermined drilling direction, adjust an extent that the actuation assembly is in the active configuration.

Abstract: A method for assembling a down-the-hole drilling apparatus including a drilling device including a casing and a drilling unit arranged during drilling in connection with the casing. The drilling unit includes a drilling head including a drilling arrangement including a first drilling member for drilling a center hole and a second drilling member for reaming the center hole. The drilling members are mutually power transmittingly coupled during drilling to cooperate for rotational, feeding and/or hammering, and removably coupled to enable removal of the first drilling member from a hole. The casing is arranged to be pulled into the hole through a shoulder arranged at an end of the casing. At an opposite end of the drilling arrangement with respect to a drilling surface, is arranged a skirt including a radial internal shoulder for pulling the casing into the hole by cooperation of the internal shoulder and an external shoulder at the end of the casing.

Abstract: A drill head insert or drill head attachment, in particular a drill plate made of hard metal, for a rock drill, includes cutting edges (20, 20a) configured on the feed side which extend from a tip of the drill (18) rearward in a receding manner to an outer face (12, 14) of the drill plate (10). A drill plate (10) is substantially configured in the form of a roof when viewed from the side. A free face (24, 24a) at the cutting edge (20, 20a) abuts against a cutting face (22, 22a) along a substantial part of its extension between the tip of the drill (18) and the outer face (12, 14). A substantially smooth contour of the cutting edge (20, 20a) is interrupted by at least one projection (30, 30a, 30b) which projects beyond the cutting edge (20, 20a) in the feed direction.

Abstract: A cutting element for use with a bit may include an obtuse cutting edge. The cutting edge may be formed between a cutting face and a slanted face of the cutting element. The obtuse cutting edge may be pre-formed in the cutting element for use with a bit used to mill a window in casing and/or drill a deviated borehole. The cutting element may be positioned on the bit as a trailing cutting element, and oriented to cause the obtuse cutting edge to engage casing and/or a rock formation.

Abstract: Cutting elements for earth-boring tools include one or more recesses and/or one or more protrusions in a cutting face of a volume of superabrasive material. The superabrasive material may be disposed on a substrate. The cutting face may be non-planar. The recesses and/or protrusions may include one or more linear segments. The recesses and/or protrusions may comprise discrete features that are laterally isolated from one another. The recesses and/or protrusions may have a helical configuration. The volume of superabrasive material may comprise a plurality of thin layers, at least two of which may differ in at least one characteristic. Methods of forming cutting elements include the formation of such recesses and/or protrusions in and/or on a cutting face of a volume of superabrasive material. Earth-boring tools include such cutting elements, and methods of forming earth-boring tools include attaching such a cutting element to a tool body.

Abstract: A thermally stable polycrystalline diamond compact is created by (i) preforming an annular thermally stable polycrystalline from a diamond plate, (ii) preforming a substrate with a projection that has an interfacial mating surface that is a negative topology of the annular thermally stable polycrystalline, (iii) and brazing the two components together. The resulting polycrystalline diamond compact can be made thermally stable because cobalt and other catalysts can be leached out of the thermally stable polycrystalline. The thermally stable polycrystalline can be attached to the substrate by brazing, which due to the topology of the thermally stable polycrystalline and the substrate with a projection will unexpectedly have sufficient blaze shear strength to be used in demanding applications.

Abstract: In a joint for oil country tubular goods, a pitch change is made such that an internally-thread pitch has the same value as an externally-thread pitch from a thread end portion on a box end side to a pitch change position taken on a box center side with respect to a position away from the thread end portion by ½ of an entire length of the threaded portion, and the internally-thread pitch is changed to a value less than the externally-thread pitch at the pitch change position so that a thread gap is gradually decreased from the pitch change position to a position of the thread end portion on the box center side, and the thread gap is eventually set to a value which is 0.2 to 0.8 times as large as the thread gap before the pitch change is made.

Abstract: The present disclosure provides a connection structure between an aluminum alloy drill pipe body and a steel joint of an aluminum alloy drill pipe, including a first joint at an end of the aluminum alloy pipe body and a steel second joint; wherein the first joint includes a first external threaded section and a second external threaded section provided from outside to inside thereof, and a major diameter of the first external threaded section is smaller than that of the second external threaded section; and wherein the second joint includes a first internal threaded section which is able to be fitted with the first external threaded section and a second internal threaded section which is able to be fitted with the second external threaded section, and a pitch diameter of the second external threaded section is larger than that of the second internal threaded section.

Abstract: A bearing (12) for a downhole apparatus (10) comprises abody (42) and an upset portion (44). The upset portion (44) extends radially outwards from the body (42), the body (42) and the upset portion (44) defining a channel (46) for receiving fluid flow for lubricating the bearing (12).

Abstract: A stem guard for a stem of a raise bore drill includes at least one wear pad attachable to the device. At least one volume of wear resistant material is joined with the at least one wear pad to form a wear pad assembly. The wear pad assembly is fixedly secured to the stem. A method of forming a wear pad assembly for protecting a device includes the steps of providing at least one volume of wear resistant material. The at least one volume of wear resistant material is joined to a protective material to form at least one wear pad assembly. At least one wear pad assembly is attached to the device and the at least one wear pad assembly is fixed to the device to protect the same from wear.

Abstract: A well lift frame stabilizer, system, and method for stabilization thereof is disclosed. In an embodiment, the stabilizer includes one or more engagement mechanisms carried by one or more extension arms. The extension arms may be movable between a retracted position, in which the engagement mechanisms are not captured by a pair of vertical stabilization rails, and an extended position, in which the engagement mechanisms are vertically movably captured between the stabilization rails. A drive mechanism may be provided to move the extension arms and to sequentially operate the engagement mechanisms to first, engage side rollers, and then to subsequently engage front and back rollers against the rails.

Abstract: Disclosed embodiments relate to systems and methods for locating, measuring, counting or aiding in the handling of drill pipes 106. The system 100 comprises at least one camera 102 capable of gathering visual data 150 regarding detecting, localizing or both, pipes 106, roughnecks 116, elevators 118 and combinations thereof. The system 100 further comprises a processor 110 and a logging system 114 for recording the gathered visual data 150. The method 200 comprises acquiring visual data 150 using a camera 106, analyzing the acquired data 150, and recording the acquired data 150.

Abstract: A handling device for handling drill string components in a rock drill rig which includes a rotator device being arranged for rotation and driving of a drill string component and being supported movable to and fro on a feed beam. The handling device includes an introducing unit configured to introduce drill string components into respectively remove drill string components from a drill string position of the rock drill rig. A guiding beam includes a longitudinal guide. A gripper shuttle is drivingly displaceable along the longitudinal guide. The gripper shuttle includes a pivotally arranged guiding gripper for gripping a first end region of a drill string component. The gripper shuttle carries a drive motor for driving a drive wheel. The drive wheel is disengageable to allow essentially free movement of the gripper shuttle along the longitudinal guide. Also. a rock drill rig.

Abstract: A device for handling drill string components with respect to a drill rig. A gripper is configured to grip a first drill string component to be threaded on to or off from a second drill string component being part of a drill string which is partly drilled into a rock formation. A handling unit includes the gripper is movable between a drill string position and a loading position wherein a drill string component can be brought into or taken out from the gripper. The handing unit includes auxiliary engagement unit configured to align the gripped first drill string component to essentially in line with an axial direction defined by the second drill string component. The gripper and the auxiliary engagement unit are adjustable for gripping drill string components of different dimensions with maintained alignment of gripped drill string components. A rock drill rig including the device.

Abstract: A support frame assembly comprises a base and an object support member having a first position and a second position. The support frame assembly may also include a plurality of pivot arms operatively connected to the base and the object support member. At least one of the pivot arms may have an actuator for moving the object support member form the first position to the second position. The support frame assembly may also include an adjustment member operatively connected to one of the plurality of pivot arms to adjust a position of the object support member relative to the base for self-alignment between an object such as a tubular member and a drill head.

Abstract: Methods, computing systems, and computer-readable media for removing fluid from a structure. The system may include sensors disposed within the structure (such as a multi-lateral well) that measure properties of the fluid at the location of the sensors and generate data representing the properties. A computing system receives the data and, using the data, monitors the composition of the fluid at the locations of the sensors. The computing system also displays information about the composition of the fluid at the locations of the sensors. The computing system may, in response to a change in the composition, indicate that the removal process is complete for a particular section and stop the flow for that section.

Abstract: A jet pump assembly is adapted to be releasably attached to a tubular member of a tubular string in an oil well. The jet pump may be pumped out of the tubular string to the surface by a reverse flow of power fluid down the well between the tubular string and the casing of the well. Consequently the jet pump may be serviced or reconfigured to a direct pumping mode without the necessity of a wire line or other apparatus. A sensor for measuring downhole parameters such as temperature and pressure etc. is positioned within a cavity located in a lower portion of the jet pump so as to be removable from the well with the pump.

Abstract: A rotational anchor mechanism is mounted on an operatively nonrotating housing that forms part of a drill string. An anchor linkage forming part of the anchor mechanism is radially extendable and contractible to move an anchor member, such as a roller, mounted on the anchor linkage radially towards and away from the housing, to engage a borehole wall for resisting rotation of the housing relative to drill pipe that is drivingly rotated within the housing. The anchor linkage includes operatively coupled mounting links mounted on the housing to pivot about respective mounting axes which are parallel to one another in a fixed spatial relationship. An actuating mechanism is coupled to the anchor linkage to exert an actuating force on the anchor linkage. An angular orientation of the actuating force relative to the housing varies in response to variation in radial expansion of the anchor linkage.

Abstract: A setting tool for performing a wellbore operation includes a mandrel, a cylinder slidably engaged with the mandrel, and a variable volume first chamber formed between the mandrel and the cylinder and a containment member having a second chamber adjacent to the first chamber. The setting tool also includes a support fluid disposed in the first chamber, a slidable support axially and circumferentially distributed inside the first chamber, and a valve disposed between the first chamber and the second chamber. The valve is configured to flow the support fluid from the first chamber to the second chamber. The support fluid and the slidable support support the cylinder against a downhole pressure. The setting tool is conveyed into the wellbore and connected to a consumer. The setting tool is actuated to set the consumer.

Abstract: Apparatus for controlling a downhole device in a well, comprises a body having a control slot engaging a pin. Movement of the pin relative to the control slot switches the device between active and inactive states. The slot has at least one loop and at least one elongated axial track spaced around the body with respect to the at least one loop. The pin can move in the at least one elongated axial track between different configurations of the pin and slot which correspond to active and inactive configurations of the downhole device. Each of the at least one elongated axial track is connected to one of the at least one loop via a deviate branch track, and the control slot has no separate, dedicate return path for returning the pin from the deviate branch track to the elongated axial track.

Abstract: An agitator tool (1) for introducing forward and backward axial movement in a downhole tool of a drill string, where the agitator tool has a first axially moveable element (5) coupled to a second laterally moveable element (9) arranged inside a housing (2) via mechanical coupling. The mechanical coupling may be a pin and groove arrangement where the groove forms a modified or unmodified sinus shaped guiding loop that allows the first element (5) to oscillate within the housing (2). The second element (9) is driven by a turbine unit which may have flow regulating means. This provides an agitator tool comprising with very few moving and wearable parts. The shape of the groove sections allows an accelerated and/or de-accelerated forward and backward movement of the first element (5) that allows it to be used for various applications in a bore hole.

Abstract: An expandable section mill includes a body having an outer surface and an inner cavity, a piston disposed within the inner cavity, a jaw member pivotally connected to a lower end of the body, and a blade assembly affixed to a tapered surface of the jaw member. The tapered surface of the jaw member includes a wear surface below the blade assembly. The jaw member includes an internal channel system for fluid flow through the jaw member to one or more outlets on the jaw member. The piston is moveable within the inner cavity for pivoting the jaw member between a retracted position and an extended position. In the retracted position, the blade assembly is positioned radially inward relative to the outer surface of the body. In the extended position, the blade assembly extends radially outward relative to the outer surface of the body.

Abstract: An expandable section mill includes a body, a piston movably disposed within an inner cavity of the body, the piston including a wedge surface, a jaw member pivotally connected to a lower end of the body, and a blade assembly affixed to a tapered surface of the jaw member. The jaw member includes an internal channel system for fluid flow through the jaw member to one or more outlets on the jaw member. The jaw member includes a pivot surface. The wedge surface of the piston engages the pivot surface of the jaw member to pivot the jaw member between a retracted position and an extended position. In the retracted position, the blade assembly is positioned radially inward relative to an outer surface of the body. In the extended position, the blade assembly extends radially outward relative to the outer surface of the body.

Abstract: Disclosed embodiments may relate to methods and devices which may assist in removal of casing from a wellbore, for example during abandonment operations. In an embodiment, the tool device may have a sleeve rotationally disposed on a housing body, such that rotation may operate to switch the tool between two configurations. In the first configuration, the tool may allow fluid flow down the length of the tool string through the longitudinal bore, and then back up to the surface through the annular space outside the housing. In the second configuration, the tool may allow fluid flow from the bore of the tool to the annular space, and then downward in the annular space.

Abstract: Explosive cutter assemblies and methods include a liner having a single unitary body, and an explosive charge disposed within the liner. The explosive charge includes a continuous unitary body of explosive material having a first area disposed in association with an inner surface of the liner and a second area extending from the center of the assembly to the first area. A detonator can be used to ignite the second area of explosive material, causing propagation of a detonation to the first area, which in turn causes deformation of the liner and projection of the liner toward a target to form a cut. An adaptor sub having a detonator within can be inserted into the cutter assembly to secure the assembly together, position the detonator in association with the explosive material, and engage a conduit usable to raise and lower the cutter assembly and transmit a detonation signal.

Abstract: Systems and methods for removing casing from a wellbore including a casing removal tool that includes a tubular body configured to contain a thermite fuel mixture configured to initiate into a molten thermite fuel. The casing removal tool also includes a nozzle array having a plurality of nozzles positioned on an external surface of the tubular body. The nozzle array is configured to impinge the molten thermite fuel from within the tubular onto the wellbore casing. The casing removal tool also includes an orientation lug configured to anchor into a downhole orientation tool.

Abstract: The present invention relates to a downhole machining system (1) for machining a casing (2) in a borehole in a well having a top. The downhole machining system comprises a first tool part (4) having an axial extension (5) and an anchoring section (6); a second tool part (7) adapted to rotate and move axially in relation to the first tool part, the second tool part comprising a machining bit (8) being movable in a direction radial in relation to the axial extension; a first actuator (10) comprising an electrical motor (11A) for axially moving the second tool part in relation to the first tool part; a second actuator (12) comprising an electrical motor (13) for rotating the second tool part in relation to the first tool part; and a third actuator (14) comprising an electrical motor (11b) for rotating the bit. At least one of the actuators comprises a gear (15) for changing a rotational speed of a rotor of the motor.

Abstract: Methods and systems for accurately measuring and monitoring accumulated volume of hydraulic fluid in a blowout preventer (BOP) system, specifically for a function of interest, are disclosed. One method includes initializing a state machine algorithm, the state machine algorithm responsive to a BOP function of interest being activated; measuring an initial hydraulic flow rate baseline and an initial pressure baseline to create a hydraulic impedance variable for use in the state machine algorithm; monitoring an aggregate hydraulic flow rate and pressure of the BOP system over time; applying the hydraulic impedance variable to negate BOP system hydraulic flows not related to the BOP function of interest; and applying the state machine algorithm to determine when the BOP function of interest has been completed responsive to a total accumulated volume of hydraulic fluid.

Abstract: A destructible frac-ball is provided that includes a body and a rupture mechanism, and a method for selectively initiating fluid flow within a casing segment is provided that utilizes one or more of the aforesaid frac-balls. The rupture mechanism is in communication with the body, and is operable to selectively initiate and break the body into the plurality of discrete pieces.

Abstract: A well tool for sealing an annular gap between a tubing string and a wellbore wall is described. In one implementation, the well tool includes an annular inner seal, an annular sleeve disposed over the inner seal, an annular outer seal residing over the sleeve and comprising a swellable elastomer adapted to swell when contacted by a specified fluid, the annular outer seal being axially shorter than the sleeve, and an end ring adapted to be disposed at an end of the sleeve, the sleeve configured to buckle against the end ring in response to a deformation of the outer seal due to directional pressure.

Abstract: An inflow control device (ICD) includes an annular body having an outer surface and an inner surface. An annular recess extends along the inner surface. An opening extends through the outer surface into the annular recess, and a removable orifice plug is arranged in the opening. The removable orifice plug includes a body member having an annular wall including a first end arranged at the outer surface and a second end extending through the annular recess. The removable orifice plug further includes an orifice passage extending into the annular body from the second end and at least one channel extending through the annular wall into the orifice.

Abstract: A casing valve is described herein. The casing valve can include at least one wall forming a cavity and at least one flexible sleeve disposed proximate to an inner surface of the at least one wall. The casing valve can also include at least one chamber recessed relative to the inner surface of a top end of the at least one wall, where the at least one chamber is disposed between the at least one flexible sleeve and the at least one wall. The casing valve can further include at least one hydraulic channel disposed within the at least one wall and terminating in the at least one hydraulic chamber. The casing valve can also include a first coupling feature disposed at a top end of the at least one wall, wherein the first coupling feature is configured to couple to a first casing pipe.