Abstract: A mechanism for connecting two beams comprises a left beam and a right beam. The left beam is formed by an upper cross bar, a lower cross bar, and a vertical plate, the vertical plate has a width greater than a width of the upper cross bar and a width of the lower cross bar, the vertical plate has two edges protruding laterally away from the upper cross bar and the lower cross bar; the right beam has a vertical socket for receiving the vertical plate, the vertical socket is connected to the upper cross bar and to the lower cross bar, the vertical socket has two opposing curled lateral edges protruding laterally away from the upper cross bar and the lower cross bar, the two protruding edges of the vertical plate are inserted between the two opposite curled edges of the vertical socket.

Abstract: Aspects are directed to a collapsible privacy structure that has a low profile when in an un-deployed state to preserve the sight lines of observers. The collapsible privacy structure may then be deployed causing a canopy structure to extend upwardly forming an internal volume that provides privacy and seclusion to the user of the structure. The internal volume may be used for a bathroom, a shower, a medical evaluation/treatment space, and/or a changing space. Upon the departure of the user from the internal volume, the collapsible privacy structure may return to the low-profile nature provided by the un-deployed state.

Abstract: A connector assembly and method for constructing a no-weld pipe fence, a no-weld fence end brace, or a no-weld fence corner brace. The connector assembly includes (a) a bolt, a threaded pin, or a hinge knuckle structure which is attachable to a fence post and (b) an attachment sleeve which can be slidably nested on the end of a pipe rail or brace member. The attachment sleeve is connectable to the bolt, threaded pin, or hinge knuckle structure in a manner which allows the pipe rail or brace member to be pivoted to a horizontal position or to any other desired angle on the fence post and then locked in place.

Abstract: Column and panel concrete fence systems and related methods of construction. Such a method may include placing posts into respective concrete footings, and attaching a 4-arm bracket to each post. The concrete column may be provided in two initially separate portions e.g., each corresponding to a “front” or “back” face of the fence. One of the portions (e.g., corresponding to the front or back of the fence) is attached to a given post, supported on one lateral arm of each bracket. The concrete panel may then be advanced into place, and the other portion of the column is attached to the post, over the first column portion that was already attached to the post. The 2nd portion of the concrete panel is supported on the other lateral arm of the brackets. The panel itself is supported on a middle arm of the bracket, between the lateral column-supporting arms.

Abstract: The grip enhancing door knob cover covers the knob of a door and may facilitate turning the door knob to open the door. A convex front cover section and convex rear cover section may be coupled to a cylindrical center cover section to form a shell that surrounds the door knob. A front aperture may provide access to the front of the door knob to insert a key or manually move a locking device on the knob. A rear aperture provides an opening for the shank of the door knob to pass through. The grip enhancing door knob cover may be composed of natural or synthetic rubber, silicone rubber, or other polymers. In some embodiment, the inside wall of the center cover section may comprise texturing to enhance the frictional grip of the shell against the knob.

Abstract: A replaceable antimicrobial system for providing a replaceable antimicrobial surface to inhibit and reduce microorganism growth on a surface. The replaceable antimicrobial system generally includes providing an antimicrobial cover, positioning the antimicrobial cover upon an object such as a handle, and securing the antimicrobial cover to the object or removably affixing the antimicrobial cover with adhesive. The securing of the antimicrobial cover is accomplished by heat shrinking the antimicrobial cover upon the object. Alternatively, the securing of the antimicrobial cover is accomplished by an adhesive backing attached to the antimicrobial cover. After a period of time of usage where the antimicrobial cover loses its effectiveness to inhibit microorganisms, the antimicrobial cover is removed and a replaced with a new antimicrobial cover.

Abstract: Embodiments of the invention provide a rod guide for mounting a latch rod to an enclosure. A guide member can include a guide-member support surface and a guide opening to receive the latch rod. A base member can include a base-member support surface. The base member can support the guide member with the guide opening at different distances from the surface of the enclosure when the guide-member support surface is seated on the base-member support surface with the guide member disposed at different respective rotational orientations relative to the base member.

Abstract: A cylinder lock and key combination with a key slot and at least one dual tumbler assembly for locking a key plug against rotation. The dual tumbler assembly includes an outer pin movable elevationally in a chamber in the key plug, and an inner pin movable telescopically in a cylindrical bore in the outer pin. The outer pin is provided with at least one key contacting end portion for engagement with a first code portion of a key blade upon insertion thereof in the key slot. The inner pin is provided with at least one key contacting end portion, for engagement with a second code portion of the key blade. The key contacting end portions of the outer and inner pins of the tumbler assembly are located adjacent to each other at axially and radially well-defined code positions relative to a center-line of the tumbler assembly.

Abstract: A magnetic lock has a barrel and keyway, the barrel when rotated unlocking the lock. Locking element cavities each contain a moveable locking element such as a ball, movable in response to a magnetic field applied by a magnetic key. A locking bar is movable between a locked position and an unlocked position. The locking bar has coded projections which extend into the respective locking element cavities when the locking bar moves from the locked position to the unlocked position. A code plate is shaped in registration with the coded projections. When the locking bar is in the locked position the code plate and the coded projections form a substantially uninterrupted surface. The locking elements prevent movement of the locking bar from the locked position to the unlocked position except when magnetically moved to a coded position.

Abstract: A door handle with a door-side output shaft and a handle facing away from the door, the output shaft and handle having a common rotational axis and being connected via an electromechanical clutch, may be particularly compact and may have a particularly low energy intake for shifting the clutch by providing the output shaft with a recess on the side facing towards the handle, in which a coupling element is displaceably mounted; by providing the door handle with a receiving area for the coupling element 40 opposite to the recess; and by arranging a linear drive in the handle, the linear drive acting on the coupling element in order to move the coupling element in the axial direction so far out of the recess that the coupling element engages both into the recess as well as into the receiving area in order to close the clutch, and the coupling element is moved out of the receiving area back into the recess in order to open the clutch.

Abstract: An electronic sensor and key operated lock is disclosed which provides users with the option to use at least one of a manually operated mechanism or for example a biometric sensor to unlock the lock. The lock integrates both the manually operated mechanism and a biometric sensor into one device. The manually operated mechanism and a biometric sensor are coupled to a common toggle switch so that operation of at least one of the manually operated mechanism and the biometric sensor moves the toggle switch and a shackle from locked and unlocked positions.

Abstract: A dead bolt is provided in a lock shell to be drive-jointed with a drive mechanism. Two hooks are symmetrically set along an access direction of dead bolt in the shell. The hooks are hinged with an elastomer therebetween. A draw ring is set to keep mute upon popup under the action of anti-collision mute strip. A strike plate and strike box assembly have a panel with an elongate groove on at least one end thereof. The elongate groove has a set of slots on at least one side thereof. The strike plate is provided with a fastening hole on each end. The fastening hole has a sidewall extending above the plane of the strike plate with a clip bar at a position able to fit into a corresponding slot in the elongate groove. The clip bar joints the corresponding slot to facilitate alignment adjustability.

Abstract: A locking system includes a tamper-resistant lock and key. The tamper-resistant lock includes a cylindrical lock body with external threading on at least a portion thereof and a bore extending into an end of the cylindrical lock body. The bore includes an engagement feature disposed on the wall that defines the bore, and the engagement feature is disposed a particular distance away from the bore opening. The key includes a collar that has a cylindrical key body that fits within the bore of the cylindrical lock body. The cylindrical key body also includes an opening defined by the collar sidewall, a retractable engagement member at least partially disposed within the opening, a spring disposed within the collar, and a plunger disposed within the collar that is operable to engage the spring and has a recess sized and shaped to accommodate the retractable engagement member.

Abstract: A vehicle door includes an electrically-powered latch and a user input feature that can be actuated by a user to cause the electrically-powered latch to unlatch. An electrical energy storage device is operably connected to the electrically-powered latch, and a piezoelectric device is mounted to the door. The piezoelectric device can be manually actuated by a user to charge the electrical energy storage device, and electrical energy from the electrical energy storage device can be utilized to actuate the electrically-powered latch to thereby unlatch the latch. The user input feature may comprise a switch or sensor located adjacent a door handle/latch release on an inside and/or an outside of the vehicle door. The electrical energy storage device may comprise an emergency battery, capacitor, or other electrical device.

Abstract: An operating system for a motor vehicle door includes a handle that is displaceable between a latching position, a first unlatching position and a second unlatching position. The operating system also includes a latch mechanism including a latch and a cooperating receiver. The operating system further includes a mechanical connection feature connecting the handle to the latch whereby the motor vehicle door may be unlatched by displacing the handle.

Abstract: An energy-saving magnetic lock comprising: a first lock module (I) mounted to a part of a door such as a doorframe; and a second lock module (II), mounted to the other part of the door such as a door panel which can pivot about the doorframe, for interacting with the first lock module (I), wherein the first lock module (I) comprises: an electromagnet (1); a slot (12); a trip rod (11) inserted inside the slot; a sensor (13) equipped at the slot end; a member, which is arranged between the trip rod (11) and the slot (12), allowing the trip rod to move toward the slot opening axially a predetermined distance when the pressing force on the head of the trip rod (11) is less than the predetermined value; a circuit control board (15), wherein the trip rod (11) has a length equal to the distance between the slot opening and a surface of the sensor (13) facing the slot opening, the second lock module (II) comprises: an iron plate (2) installed on or in the part of the door panel by a main screw (21), wherein the main

Abstract: A flexible hinge assembly for aircraft interior components and the like, including: a first structural component, wherein the first structural component includes a core material and one or more skin layers coupled to the core material; a second structural component, wherein the second structural component includes a core material and one or more skin layers coupled to the core material; wherein the one or more skin layers of the first structural component and the one or more skin layers of the second structural component are one or more of coupled together and integrally formed; and a flexure disposed between the first structural component and the second structural component, wherein the flexure is formed by the coupled together and/or integrally formed skin layers.

Abstract: Dual pivoting laterally translating hinges that attach between a stationary first substrate such as a vehicle body, and a rotating second substrate such as a vehicle door, and extend laterally when the second substrate is rotated. In some examples, the hinges include a knuckle and leadscrew mechanism that changes the hinge geometry when the second substrate is rotated, causing the leadscrew to rotate by either a set of gears or a rack and pinion. In some further examples, the hinges include a jackscrew that changes length as the second substrate is rotated, causing the hinge to extent laterally.

Abstract: An adjustable hinge mechanism provides a hinging movement between first and second objects. The hinge mechanism includes a supporting component having a main body being operatively mountable onto the first object. The hinge mechanism also includes an intermediate component having a main body being operatively mountable onto the first object and being moveable with respect to the supporting component along at least opposite first and second horizontal directions. The hinge mechanism also includes a swivelling component being operatively mountable onto both the intermediate component and the second object, and being operatively moveable with respect to the supporting component along at least opposite first and second vertical directions.

Abstract: The present disclosure envisages a tool-less hinge mechanism for coupling a first element and a second element. The tool-less hinge mechanism comprises at least one lug integrally extending from one of the first element and the second element, and at least one loop integrally extending from remaining one of the first element and the second element. The at least one lug is configured to be received in the at least one loop, thereby providing hingeable coupling between the first element and the second element.

Abstract: Interlock assemblies for sliding fenestration systems that provide for adjustment of the position and/or shape of the interlock assemblies and methods of adjusting the position and/or shape of the interlock assemblies are described herein. The interlock assemblies for sliding fenestration systems may be adjusted after installation to accommodate changes in the position and/or shape of the sides of building opening on which a stationary interlock structure is mounted.

Abstract: A vehicle liftgate assembly according to an exemplary aspect of the present disclosure includes, among other things, a vehicle body, a liftgate bracket, a liftgate rotatably mounted to the vehicle body by way of the liftgate bracket, and a strut connected to the liftgate bracket to regulate rotational movement of the liftgate bracket. This disclosure also relates to a method and a rotation assembly, which may include a liftgate bracket and a flipglass bracket.

Abstract: A hinge for cold rooms or glass shutters, coupling a stationary support structure and a shutter movable between an open position and a shutter position, includes a hinge body having a working chamber; a pivot defining a first longitudinal axis coupled to the hinge body to rotate around the first axis between the open and the closed shutter position; a cam element integral with the pivot; a plunger element sliding in the working chamber along a second axis substantially perpendicular to the first axis, the plunger element having a slider with an operative face interacting with the cam element; and an elastic counteracting member acting upon the plunger element to move it along the second axis between a position proximal to the bottom wall of the working chamber and a position distal therefrom. The hinge body has a substantially plate shape.

Abstract: A device for opening a door includes an electric motor on a base, a slider movable relative to the base along a rectilinear direction between a rest position and an open position, and a rod pushing against the door and movable relative to the base and the slider along the rectilinear direction between a retracted position and an extracted position. An actuating element resiliently pushes the rod towards the extracted position. A gearwheel transmission is arranged between the electric motor and a transmission device to cause movement of the slider into the open position. The gearwheel transmission includes a gearwheel having a non-toothed segment which disengages the slider from the electric motor when the slider reaches the open position. A recall element recalls the slider towards the rest position or the rod towards the retracted position when the non-toothed segment disengages the slider from the electric motor.

Abstract: A vehicular window regulator that decreases an inclination of a glass centering on a thickness direction of the glass and an inclination restraining mechanism are provided. The window regulator includes a member secured to a glass, traction member guides. At least one of the traction member guides are each disposed above and below the member, across the member. The inclination restraining mechanism is wound across the respective traction member guides, and includes a traction member having one end portion installed at the member from above, and further having another end portion installed at the member from below. An installation position to the member, of the one end portion of the traction member and an installation position to the member, of the other end portion of the traction member are offset in a horizontal direction, viewing from a thickness direction of the glass.

Abstract: A storage system having an outer housing assembly including an elongated housing with a curved structure and a cylindrical housing secured adjacent to the curved structure partially within the elongated housing. The cylindrical housing rotates between a closed position and an open position. In the closed position, access to the internal compartment within the cylindrical housing is prevented. In the open position, an access opening into the internal compartment within the cylindrical housing is provided. A locking mechanism is provided in the cylindrical housing to prevent rotation or permit rotation of the cylindrical housing when the locking mechanism is in a locked position or an unlocked position respectively. In the locked position, the locking mechanism prevents the cylindrical housing from rotating into the open position.

Abstract: A panel support and panel processing system that provides a single frame assembly for use on a panel processing line in transporting and installing panels, such as glass panels, the frame assembly having a frame with at least one hook that engages a carrier on a processing line to move the frame from one station to the next, and that enables lifting and stacking of multiple frames for transport to and installation at a building site without having to remove the panel, such as a glass panel, from the frame, at which point the frame and panel assembly are secured in situ.

Abstract: A device for forming a jalousie includes at least first and second louvres pivoting about a common axis between a position in which the two louvres overlap and a position of angular separation of the louvres about the common axis. Preferably, the first louvre is at least partly translucent and the second louvre is opaque.

Abstract: An attachment assembly is provided for coupling a portable barricade to an overhead door, including a clamp, the clamp having a first surface and a second surface, the second surface facing the overhead door, a fastener passing through a clamp opening of the clamp and through an opening of the overhead door, a coupling member operably engaged with the fastener, and a biasing element positioned between the second surface of the clamp and the overhead door, wherein, when the coupling member is actuated in a first direction, the biasing element is compressed, shortening a distance between the clamp and the overhead door.

Abstract: An improvement in a rolling shutter assembly for covering an opening of a structure defined by a top wall, a bottom wall and oppositely disposed side walls. The rolling shutter assembly includes a shutter housing, a shutter support member rotatably disposed within the shutter housing, a shutter coupled to the shutter support member, the shutter comprising a plurality of individual slats and a plurality of hinges interconnecting the slats, and a pair of side tracks. The shutter rolls between a rolled position wherein the shutter is rolled onto the shutter support member and an unrolled position wherein the shutter covers the opening and the ends of the slats are disposed within the channels of the corresponding side tracks. The improvement comprises a support frame having top, bottom and side rails mounted to the walls defining the opening with the side tracks each mounted to a corresponding one of the side rails of the support frame.

Abstract: A ladder for use with heavy machinery such as farm equipment, the ladder having platform steps, the ladder being convertible between a deployed position for supporting a person or other load, to a storage, scaffold, or ramp position in which the steps lie in a generally planar arrangement. When deployed, the ladder steps remain parallel to each other. The ladder includes two frames, the frames pivotably connected by a plurality of platform steps, one of the frames being pivotably attached to a piece of heavy machinery. The frame nest within one another in the storage configuration. The pivotable attachment to the heavy equipment may be wheels on the ladder frame that engage horizontal tracks on the heavy equipment, allowing the ladder to be lifted up, the frames nested, and the ladder in the storage configuration slid along the tracks and stored.

Abstract: A downhole steering tool includes one or more steering blades selectively extendable from a housing. Each steering blade may be extended by fluid pressure within a steering cylinder. Each steering cylinder may be coupled to the interior of a mandrel positioned within the housing through an adjustable orifice. The adjustable orifice may be moved between an open and a partially open position. The adjustable orifice may be controlled by a ring valve.

Abstract: A dual circulation fluid hammer drilling system (10) has a fluid hammer (12) which is coupled to a drill string (14). The system (10) utilizes a first fluid (16) and a second fluid (18). The first fluid (16) is delivered through the drill string (14) to drive or otherwise power the fluid hammer (12). The second fluid (18) is also delivered through the drill string (14) but in isolation of the first fluid (16) so they do not mix within the drill string (14). The second fluid (18) passes through a hammer bit (38) of the hammer drill (12) and is directed to flow out from a bit face (20). Thus when the system (10) is in use the second fluid (18) will flow across the bit face (20). The first fluid (16) also exits the drilling system (10) at the hammer drill (12). However the first fluid (16) exits upstream or up-hole of the bit face (20).

Abstract: A method includes positioning at least one guide projection on a substrate of a metal part such that the at least one guide projection extends outwardly from an outer surface of the substrate to an exposed length. Hardfacing is then applied to the substrate of the metal part at or near a location of the at least one guide projection. The exposed length of the at least one guide projection is then referenced in determining when to cease application of the hardfacing.

Abstract: An offshore drilling vessel including a hull having a moonpool, a bow and a stern, an accommodation topside having crew quarters and a bridge, said accommodation topside being arranged on the hull at the bow, a main deck between the accommodation topside and the stern of the vessel, wherein a front main deck portion of the main deck extends forward of the moonpool and a rear main deck portion of the main deck extends rearward of the moonpool, a firing line hoist system mounted on the hull at said moonpool, including a drilling structure, a hoisting device supported by the drilling structure and having a load attachment device displaceable along a firing line, the hoisting device including one or more cables and one or more associated winches to manipulate the position of the load attachment device relative to the drilling structure, one or more pivotal burner booms, each burner boom having an inner portion pivotally mounted at a lateral side of the hull and an outer portion supporting a burner, the burner boo

Abstract: Pipes, drill strings including pipes, and methods for use on a drilling rig. The method includes obtaining pipe data for individual drill pipes of a drill string, obtaining a well trajectory for a well, obtaining one or more drilling measurements to be used when drilling the well, planning a first drill string based on the pipe data, the well trajectory, and the one or more drilling measurements, predicting an aging of the individual drill pipes in the first drill string while drilling the well using the first drill string, determining that a risk of failure of one or more individual pipes in the first drill string is unacceptable based on the aging of the individual pipes; and planning a second drill string in response to determining that the risk of failure is unacceptable in the first drill string.

Abstract: The present invention has an objective to provide a threaded connection for pipe or tube including a pin and a box, having excellent galling resistance, torque property, and anticorrosion property, and still having an excellent adhesiveness with a lubricating coating even when being repeatedly exposed to high temperature and very low temperature, and to provide a method for producing the threaded connection for pipe or tube. The threaded connection for pipe or tube according to the present embodiment includes a pin and a box. The pin and the box have contact surfaces including a thread portions and and unthreaded metal contact portions, respectively. The threaded connection for pipe or tube comprises an electroplating layer consisting of a Zn—Ni alloy, a mechanical plating layer consisting of Zn or a Zn alloy, and a lubricating coating, on the contact surface of at least one of the pin and the box, in this order from a contact surface side.

Abstract: A tubular connection assembly that maybe quickly connected and with improved capacity for axial loads is disclosed. The tubular connection assembly may include a box end member having a first groove formed in an inner surface, a pin end member having a second groove formed in an outer surface, and a load transfer assembly comprising two or more segments. When the pin end member is inserted in the box end member and the first groove aligns with the second groove, the load transfer assembly is at least partially disposed in both the first groove and the second groove.

Abstract: In accordance with embodiments of the present disclosure, a travel joint includes a tube disposed at one end of the travel joint and a mandrel disposed at an opposite end of the travel joint. The mandrel is partially disposed in a hollow portion of the tube, and the tube and the mandrel are axially slidable relative to each other to extend or compress the travel joint. The travel joint also may include a housing coupled to the tube and disposed around the mandrel and a locking mechanism between the housing and the mandrel disposed in a position to selectively lock the mandrel and the tube in an axial position relative to each other to partially compress the travel joint. In some embodiments, the travel joint may include a fluid brake having a fluid chamber disposed between the mandrel and the tube to dampen axial movement between the mandrel and tube.

Abstract: A pipe handling system comprises a carriage having an upper surface adapted to support a tubular. The carriage comprises a first section and a second section. The first and second sections are pivotally coupled together for rotation about a pivot axis. The carriage is movable relative to a base and configured such that the leading end of the carriage is elevated as the carriage is advanced. An actuator is coupled between the first and second sections. The actuator is operable to pivot the second section relative to the first section about the pivot axis. In some embodiments the carriage is configured with a positive kink to deliver tubulars to a rig floor and with a negative kink to deliver tubulars to an online or offline stand building system. In some embodiments a live surface on the carriage is controllable to reduce or eliminate swinging of tubulars as they are transferred to or from the drill rig.

Abstract: A coiled tubing injector head unit includes a first bearing carrier and a second bearing carrier attached to a frame of the injector head unit that support an input drive shaft extending between the first and second bearing carriers, a sprocket shaft coupled to the input drive shaft that supports a pair of continuous parallel drive chains that revolve in a common plane and have opposed, elongated parallel runs spaced apart to form a path for engaging tubing passing there through, and a hydraulic motor attached to the frame opposite the first bearing carrier, and a gearbox attached to the frame opposite the second bearing carrier, wherein the input drive shaft is operatively connected to and extends between, but is not supported by, the hydraulic motor and the gearbox.

Abstract: A method of conversion of a water-based mud to a gel-based LCM quickly to control lost circulation in a lost circulation zone in a wellbore during continuous drilling with a drilling mud, the drilling mud comprises a volcanic ash, water, a de-foamer, a pH buffer, and a polymer. The method comprises the steps of entering the lost circulation zone, determining a lost circulation volumetric flow rate, metering a first amount of a binder into the drilling mud to create a binder containing mud, pumping the binder containing drilling mud into the wellbore, and suspending metering of the first amount of the binder to the drilling mud after a pre-defined regulating period of time effective to permit the binder containing drilling mud to create a gel-based LCM operable to alter the lost circulation zone.

Abstract: In aspects, the present disclosure provides a perforating gun that includes a carrier tube, and a charge tube assembly. The carrier tube includes a bore and a groove formed along an inner surface. The charge tube assembly is disposed in the bore of the carrier tube and includes a charge tube, an alignment end plate, an insertion end plate, a retention member, shaped charges, and a detonating cord. The charge tube has a plurality of shaped charge openings, a plurality of post openings, a first end, and a second end. The alignment end plate is connected to the first end of the charge tube. The insertion end plate is connected to the second end of the charge tube. The shaped charges are disposed in each of the shaped charge openings. Each shaped charge has a post projecting out of one post opening. The detonating cord is connected to each of the projecting posts.

Abstract: A system includes a rotatable fluid distribution system having a first block and a second block, the first block is configured to receive a supply of pressurized fluid, the second block is configured to distribute the supply of pressurized fluid to one or more actuators of a running tool, a wellhead component, or both, and the first block and the second block are configured to rotate with respect to one another about an axis to adjust which of the one or more actuators of the running tool, the wellhead component, or both, receives the supply of pressurized fluid.

Abstract: The invention provides a cutting valve comprising a valve block, a gate, which is slidably within a cavity in the valve block from an open position to a closing and cutting position, an upper seat arranged in an upper part of the valve between the valve block and the gate, and a lower seat arranged in a lower part of the valve between the valve block and the gate, The valve further comprises an upper resilient member arranged between the upper seat and a lower resilient member arranged between the valve block and the lower seat. The cutting valve being distinctive in that the combination of height of upper seat, and lower seat, resilient member and any spacers on the lower side of the gate is selected so that an allowed travelling distance for the upper seat towards the valve block and an allowed travelling distance for the lower seat towards the valve block, are substantially equal.

Abstract: A method for determining the direction and/or range from a drilling well to a target well may include positioning a magnetic source in the target well and a magnetic sensor in the drilling well. The method may include activating the magnetic source in the target well and moving one or both of the magnetic source and magnetic sensors until a location in which the magnetic sensor is not saturated is identified. The method may include determining the direction and/or range to the target well at that location.

Abstract: A dissolvable frac plug is disclosed. The dissolvable frac plug has an internal chamber surrounded by an external wall with the chamber containing a dry powder component in an amount sufficient to combine with ground water or other wellbore fluids to form a solution or environment that enhances dissolution of the plug. The dry powder is released from the chamber as a portion or portions of the external wall dissolves due to contact with water or other wellbore fluids.

Abstract: A system for use in a wellbore that penetrates a subterranean formation, the system comprising: a wellbore; and a ball, wherein the ball performs one or more wellbore operations, and wherein the ball breaks apart into two or more pieces when a pressure is applied to the ball. A method of performing an operation in a wellbore, the method comprising: introducing a ball into the wellbore; causing or allowing the ball to perform at least one wellbore operation; and causing the ball to break into two or more pieces after performing the at least one wellbore operation. The ball can also perform more than one wellbore operation. The ball can also contain a core.

Abstract: A control valve assembly for use in a wellbore includes a body having a fluid inlet and a fluid outlet. A portion of the body is formed from magnetic material. A plunger is mounted within the body. A portion of the plunger is formed from a magnetic material. A magnetic circuit having a gap is defined within the control valve assembly. The portion of the body formed from magnetic material defines a first portion of the magnetic circuit and the portion of the plunger formed from magnetic material forms another portion of the magnetic circuit. A solenoid is mounted at the body. The solenoid is selectively activated to create a magnetic field across the gap in the magnetic circuit. The magnetic field causes the plunger to shift, narrowing the gap disengaging from the one of the fluid inlet and the fluid outlet to produce a pressure pulse in the wellbore.

Abstract: A downhole tool and method for actuating a downhole tool, of which the downhole tool includes a housing having a housing port formed radially-therethrough, a shifter sleeve positioned within the housing, wherein the shifter sleeve has a port formed radially therethrough, and a drive sleeve positioned at least partially within an annulus between the housing and the shifter sleeve. Downward movement of the shifter sleeve causes the drive sleeve to move downward, and downward movement of the drive sleeve causes fluid to flow through the port in the shifter sleeve and into the annulus. The downhole tool also includes a filter coupled to the shifter sleeve and configured to prevent particles from flowing through the port in the shifter sleeve and into the annulus.