Abstract: A method is provided of sealing an annular space between an expandable tubular element arranged in a wellbore and a wall surrounding the expandable tubular element. A pressure difference occurs between a first location in the annular space and a second location in the annular space axially spaced from the first location. The method comprises: installing the tubular element in the wellbore; locating a body of fluid in the annular space between the first and second locations, the fluid having a yield strength selected such that the pressure difference is insufficient to induce axial flow of the body of fluid in the annular space after radial expansion of the tubular element; and radially expanding the tubular element.

Abstract: An internally rotating nozzle for facilitating drilling through a subterranean formation is rotatably mounted internally within a housing connected to a hose for receiving high pressure fluid. The rotor includes at least two tangential jets oriented off of center for ejecting fluid to generate torque and rotate the rotor and cut a substantially cylindrical tunnel in the subterranean formation.

Abstract: An evaporation based method for generation of high pressure steam from produced water in the heavy oil production industry. De-oiled produced water is processed through a high pH/high pressure evaporator driven by a commercial watertube boiler. The vapor produced by the evaporator is suitable for the steam assisted gravity drainage (SAGD) method being utilized by heavy oil recovery installations, without the use of once through steam generators that require extensive chemical treatment, and without requiring atmospheric distillation, which requires high power consuming compressors. Evaporator blowdown may be further treated in a crystallizing evaporator to provide a zero liquid discharge (ZLD) system and, with most produced waters, at least 98% of the incoming produced water stream can be recovered in the form of high pressure steam.

Abstract: Piston bore distortions in a sub-surface safety valve are reduced or eliminated when valve body is subjected to high working pressures. In one embodiment, a piston is disposed in a sleeve that is disposed in a piston bore. The bore can distort but the sleeve within will not distort to the point of losing sealing pressure around the piston. In another approach additional bore or bores are provided adjacent the piston bore to make the pin end of the connection for the valve housing more uniform in the region of the piston bore so that pressure loading does not result in sufficient distortion of the piston bore to lose the piston sealing relation in its bore.

Abstract: A ball type downhole lubricator valve features a ball rotating on its axis to open or close with control line pressure to an actuating piston. The ball is also shiftable to a locked open position. A cage surrounds the ball and retains opposed seats to it. The cage is made from one piece and tangential holes are drilled and tapped before the piece is longitudinally split with a wire EDM cutting technique. Fasteners to rejoin the cut halves properly space them to the original one piece internal dimension. Auxiliary tools allow determination of spacing of internal components so that a desired spring preload on the seats against the ball can be achieved.

Abstract: A method and system of operating a landing string utilized on a floating platform. The landing string is disposed within a marine riser, with the marine riser being connected to a subsea production tree, and wherein the subsea production tree contains internal conduits communicating controls through a series of stab passageways. The method comprises providing a tubing hanger operatively connected to the landing string, delivering hydraulic or electrical controls from the floating platform through a control system umbilical to a junction plate operatively attached to the subsea production tree. The method further comprises landing the tubing hanger into the subsea production tree, establishing control of the tubing hanger by providing the hydraulic controls to the tubing hanger with the series of stab passageways through the subsea production tree, and establishing control of the completion bottom hole assembly with the stab passageways.

Abstract: A closure device that is useful as a safety valve within a tubular member, such as production tubing and pipelines. The closure device includes an inflatable bladder that is disposed within a cavity in the wall of the tubular member. A fluid conduit interconnects a fluid source with the inflatable bladder, and a pump is associated with the fluid conduit to flow fluid between the fluid source and the bladder.

Abstract: To assemble a well tool, an inventory of plural different types of functional modules is maintained at an assembly location. An order for a well tool having a specified first application is received. In response to the order, a first combination of the plural types of functional modules from the inventory is assembled to form the well tool.

Abstract: A casing shoe for a casing string that includes an annular body. The annular body includes an annular recess that forms an outer portion and an inner portion, the inner portion forming and extending into an inner bore. The annular recess can accept an end of the casing string such that the casing string extends between the inner and outer portions. The annular body includes a homogenous material. The casing shoe is used in a method of guiding a casing string into a wellbore where the casing shoe is attached to an end of the casing string. Attaching the casing string includes inserting the end of the casing string into the annular recess such that the casing string extends between the inner and outer portions. The casing string is then inserted into the wellbore.

Abstract: A torque head for gripping tubular members, in at least some aspects, has a housing, grip mechanism secured within the housing, the grip mechanism for selectively gripping a tubular member, the grip mechanism including at least one jaw selectively movable toward and away from a portion of a tubular member within the housing, the at least one jaw having mounted thereon slip apparatus for engaging the portion of the tubular member, the slip apparatus including die apparatus movably mounted to the at least one jaw, the die apparatus movable with respect to the at least one jaw so that relative movement of the tubular with respect to the torque head is possible to the extent that the die apparatus is movable.

Abstract: A downhole component of a tool string, having a first and a second end intermediate a tubular body. First and second collars are mounted to the inner surface of the component at the first and second ends respectively. Each collar has an electrical conductor secured to the collar. The first collar has a bearing surface adapted to slide with respect to the inner surface of the component and the second collar is rotationally fixed to the inner surface of the component.

Abstract: A wellhead isolation tool including a mandrel and a centralizing device. The centralizing device will align the tool so that the lower end of the mandrel sealingly engages the production casing. The mandrel has an open bore for allowing service tools to pass therethrough.

Abstract: An anchor with a longitudinally folded pipe and with an end piece which can be opened under pressure and which is provided on the end of the anchor lying inside in the drilled hole is introduced into the drilled hole, and by applying internal pressure is expanded as the pipe unfolds until the pipe with frictional locking and/or positive locking adjoins the drilled hole, whereupon the pressure in the anchor is raised so that the forward tip of the end piece is separated. Then the hardening mass is pressed through the anchor into the drilled hole in order to fill cavities in the area of the anchor end located at the bottom of the drilled hole and the substratum (soil, rock) in which the anchor is fixed, and cavities or cracks located in the bordering substratum. A hydraulically binding, cement-based mass can be used especially as the hardening mass.

Abstract: Apparatus, such as a liner, adapted to be hung in a downhole tubular such as casing is described. The apparatus includes one or more circumferentially distributed abrasive portions, arranged to be movable radially outwards by a dimple former or an expander. In an embodiment, the abrasive portions are provided on disks moveable in recesses in the outer diameter of the apparatus being hung. In an embodiment, the apparatus is hung by operating a dimple former provided on the running tool.

Abstract: A seal cup and method is disclosed that can be used on a wellbore tool. The seal cup includes an external circumferential seal land adjacent the cup lip and an outer surface capable of permitting drainage away from the seal land of fluids, which may seep past the seal land. This acts against pressure invasion in the interfacial contacting region between the seal cup and the structure, for example, a wellbore liner against which it is sealed.

Abstract: Devices and methods for setting a packer inside a wellbore with little appreciable reduction of the useable area of the wellbore. The outer casing or liner of the wellbore contains one or more integrated casing coupler joints having an increased diameter chamber portion. A large bore packing element is carried within the increased diameter chamber portion. The packing element may be selectively actuated to form a seal against an interior tubular member. Because the packing element is located within the chamber portion of the casing coupler, the packer may be set while saving useable cross-sectional area within the casing.

Abstract: A device includes a main body adapted to couple between a first element of a working string and a second element of the working string. A seal is provided about the main body and is adapted to substantially sealingly engage a wall of the wellbore. An conductor is carried by the main body. The conductor is adapted to communicate at least one of electrical current or a light signal between an interior of the first element and the second element while the seal is substantially sealingly engaging the wall of the wellbore, while the device is released from sealingly engaging the wall of the wellbore, and/or both.

Abstract: A template and method for sizing horseshoes. The template includes a plate against which ground-contacting portion of a horse's hoof is placed. The plate has a plurality of adjustment members thereon. Each adjustment member is individually movable from a first position remote from a perimeter of said hoof, to a second position adjacent the perimeter. When the adjustment members are all in the second position, they are locked into position. The adjustment members define a region that is generally shaped to conform to the perimeter of the horse's hoof. The farrier works a horseshoe until the shoe is able to be received within the region defined by the adjustment members. The worked horseshoe may then be nailed to the horse's hoof.

Abstract: A container for a fire extinguisher intended to enable a fire extinguisher to be placed in a convenient location in a kitchen or next to a fireplace, while at the same time providing an attractive appearance. The precise configuration of the container can vary, but it typically includes a base about one half to two thirds the height of the extinguisher and a cover with an easily gripped handle which fits over the extinguisher is seated on the base. The container may have a round, hexagonal, square or rectangular cross-section. Various types of external ornamentation, such as ceramic tile, can be provided on exposed surfaces. A time clock may be included to provide periodic reminders to check on the operational status of the extinguisher. The exterior of the container may be augmented with pegs for hanging utensils, or magnetic or corkboard surfaces for pictures, notes, etc.

Abstract: A theorem and method for determining the weight and center of gravity of a ground-engaging implemented connected to a three-point hitch on an agricultural tractor or other prime mover using hitch cylinder pressure and hitch position as calibration inputs to a hitch control system.

Abstract: A machine includes a frame and a coupler assembly suspended below the frame, the coupler assembly configured for sideshift movement and having an implement mounting element for engaging with a mating feature on an implement. An implement grabber mounted to the coupler assembly is configured to grab an implement and move the implement via sideshift movement of the coupler assembly from a position lateral of the frame to a mounting position at which the mounting element of the coupler assembly can engage with the mating feature of the implement. A method of implement positioning for a machine includes grabbing the implement with a implement grabber mounted on a coupler assembly and moving the implement with the coupler assembly. The method also includes disengaging the implement from the implement grabber and actuating a mounting element of the coupler assembly to engage or disengage with the mating feature of the implement.

Abstract: Gauge or stabilizer wheels are located at the outer front portions of disk wing frames and are connected for operation with other disk wheels on the main and wing frames. The front stabilizer wheels bear much of the wing loading and allow the wing primary depth control wheels to be positioned further to the rear of the machine. The front stabilizer wheels can be hydraulically controlled for on-the-go forward depth control adjustments and provide frame support when the disk is in a field transport position.

Abstract: A machine includes a frame having a longitudinal axis and including front and back sets of ground engaging elements. A coupler is suspended below the frame and configured for moving between first and second sideshift positions. A hydraulic system for the machine includes a hydraulically actuated device mounted to the coupler and a hydraulic circuit for providing hydraulic power to the device throughout the range of motion of the coupler. A circuit includes a flexible segment and a rigid support segment configured to support the flexible segment above a work surface. The rigid support segment is mounted to a pivot device and pivotable between an extended position and a stowed position corresponding respectively to the sideshift positions of the coupler. A method of providing hydraulic power to a hydraulically actuated device includes connecting a hydraulic circuit with a hydraulically actuated device mounted to an implement coupler of a machine.

Abstract: A full support bearing for a grader circle including a first radial groove in a cylindrical portion of the circle includes a group of inserts forming a second support groove within the first radial groove. It also includes circle supports sized and shaped such that the gap between any two circle supports is small. The circle supports are arranged along a circumference of the circle and rigidly attached to a draw bar. The arrangement results in virtual 360 degree circle support, lower loads, and smaller material deflections at all loaded areas, and significantly increased durability due to a resultant reduction in wear rates.

Abstract: A method of detecting a nail storage state of a magazine employed in a nail gun includes: providing a nail gun having a magazine and a nail hitting groove connected with the magazine; providing at least one sensor disposed on the nail gun for detecting the storage state of the nails in the magazine or times of hitting nails of the nail gun to generate at least one signal; providing a display device or a sound generating device on the nail gun for receiving the at least one signal to generate sounds, texts, or numerals to indicate the user to be aware of the nail storage state of the magazine. The user is conveniently to know the quantity of the storage nails and the time to supplement the nails.

Abstract: A control system is provided for use in a power tool. The control system includes: a rotational rate sensor having a resonating mass and a controller electrically connected to the rotational rate sensor. The rotational rate sensor detects lateral displacement of the resonating mass and generates a signal indicative of the detected lateral displacement, such that the lateral displacement is directly proportional to a rotational speed at which the power tool rotates about an axis of the rotary shaft. Based on the generated signal, the controller initiates a protective operation to avoid further undesirable rotation of the power tool. The controller may opt to reduce the torque applied to shaft to a non-zero value that enables the operator to regain control of the tool.

Abstract: A composite drilling tool comprises: a handle; and a driving portion installed at one end of the handle; the driving portion including a pneumatic portion, an electromotive portion, a coil and a battery; the pneumatic portion and the electromotive portion serving to drive the drilling rod through air power or electric power; the power of the electromotive portion being from the battery; the coil enclosing the drilling rod; when the drilling rod rotates, the magnetic flux from the magnetic unit will change so as to induce current in the coil and thus the battery is charged; and a drilling rod installed in the driving portion with a part being embedding into the driving portion and a part being protruded out of the driving portion for assembling a drilling head of various forms; and the drilling rod being installed with a magnetic unit.

Abstract: A pulse tool, in particular a pulse nutsetter, has at least one pneumatic drive unit with a drive rotor and a pulse unit driven by the drive unit, wherein a delay-dependent inertial cut-off device is assigned to the drive unit for the interruption of the air feed on acquiring a cut-off pulse. A pulse tool of this nature is improved to the effect that it has or facilitates a compact design, a low weight and simultaneously a fast cut-off by the inertial cut-off device. This is achieved in that the inertial cut-off device has at least one cut-off piston for changing the air feed between the open and closed positions and which can be moved relative to the drive rotor and an, essentially annular, inertial body which can turn with the drive rotor. Due to the inertial body, on acquiring the cut-off pulse at least one drive body, essentially radially adjustable relative to the drive rotor, can be deflected by means of an internal contour.

Abstract: The invention relates to a tool (1), in particular an impact wrench, with a pulse unit (6) having a hydraulic impact mechanism (7) and a drive unit (24). The working volume (5) can be connected within the hydraulic impact mechanism (7) to an additional volume (5) formed outside of the said mechanism. The tool according to the invention is characterised in that at least the compensating volume (4) can be varied independently of the pressure.

Abstract: A system for mounting a lead assembly on a construction machine including a set of leads having a driver that is slidably mounted to the set of leads. The system further includes at least one lifting means for engaging the driver and moving the driver on the leads, and a pivotable mounting assembly mounted to the set of leads and adapted to adjust the position of the set of leads. Moreover there is a quick connecting means adapted to engage the pivotable mounting assembly and the construction machine so as to allow for the quick engagement and disengagement of the construction machine from the set of leads.

Abstract: A hand-held power tool includes a shaft (12) located in the housing part (11) of the power tool (10), a bearing (13) for rotatably supporting the shaft (12) in the housing part (11), and a snap-receptacle (14) formed in the housing part (11) for receiving the bearing (13).

Abstract: A branch-type intermediate joint structure for connecting a first superconducting cable having at least one cable core including superconducting conductors and a second superconducting cable having a plurality of cable cores including superconducting conductors. The intermediate joint structure comprises a conductor joint part, a joint box, and a coolant. The conductor joint part can integrally connect the superconducting conductors of the at least one cable core exposed from the first superconducting cable and the superconducting conductors of the plurality of cable cores exposed from the second superconducting cable. The joint box houses the conductor joint part and the cable core ends connected with the conductor joint part. The coolant is filled in the joint box and cools the superconducting conductors.

Abstract: The present application provides an electrical expansion coupling comprising a housing having a first end and a second end, with a first end cap secured to the first end with a first sealing gland positioned therein, and a second end cap secured to the second end with a second sealing gland positioned therein, with an axial sliding ground plate adapted to receive an electrical conduit positioned within the first end of the housing, and a stationary ground plate adapted to receive an electrical conduit positioned within the second end of the housing, a grounding member electrically connecting the axial sliding ground plate and the stationary ground plate, and an anti-rotation mechanism adapted for preventing relative rotation of the sliding ground plate and the stationary ground plate when a conduit is threaded into the sliding ground plate or the stationary ground plate.

Abstract: The present invention concerns a dual hinge recess weatherproof outdoor electrical box assembly for shielding and protecting electrical components from moisture. The electrical box assembly includes an electrical box having a plurality of hinge sockets, an adapter plate that is recessed in the electrical box, and a cover having a plurality of hinge pins for operable engagement with the hinge sockets.

Abstract: An electrical junction box includes a box main body and a wiring block. The box main body includes a cassette block. The wiring block includes a first bus bar, a second bus bar, and a fuse. Each bus bar includes an electric parts connecting part and the power source connecting part. The electric parts connecting part is connected to electric parts attached to the cassette block. The power source connecting part includes a fuse connecting piece and a connecting piece. A terminal fitting connected to a power source is connected to the connecting piece. The fuse connects the fuse connecting pieces of the bus bars.

Abstract: The present invention is a communication cable comprising a plurality of twisted pair conductors, a separator, and a communication cable jacket enclosing the plurality of twisted pair conductors and the separator. The communication cable passes the requirements of NFPA-262. In particular, the separator is polyolefin-based and achieves the desired electrical and flame retardant properties. The present invention is also a method for selecting a composition for preparing the separator and a method for preparing a communications cable therefrom.

Abstract: Disclosed is a cooling and supporting apparatus for current leads of a superconducting rotating machine. The cooling and supporting apparatus is installed on the current leads, and includes an inner tube provided with a spiral-shaped groove formed in the outer surface thereof and an outer tube provided with a spiral-shaped groove formed in the inner surface thereof, thus preventing heat transferred through the current leads from being directly transferred to a superconducting coil for preventing the deformation of the superconducting coil, and allowing the outer tube from fixedly surrounding the whole current leads for preventing the breakage of the current leads due to centrifugal force of a rotor.

Abstract: To provide a PCB that does not generate a short-circuit problem even at a very small pitch and has high connection reliability a method is provided for connecting a printed circuit board (PCB) to a second circuit board comprising: providing a printed circuit board (PCB) having a connection portion; providing a second circuit board having a connection portion, the second circuit board to be connected to the PCB, wherein the connection portion of one or both of the PCB and second circuit board has at least one conductive bump, positioning the connection portion of the PCB opposite the connection portion of the second circuit board with a thermosetting adhesive film between the connection portions of the PCB and second circuit board, and applying heat and pressure to the connection portions and the thermosetting adhesive film such that the adhesive film is displaced sufficiently to allow electrical contact between the at least one bump and the connection portion of the opposing circuit board and such that the he

Abstract: A base layer of a bent portion of a FPC is formed on the front side thereof with second ground bent lines arranged in a mesh pattern and third ground bent lines intersecting with the second ground bent lines in a lateral direction, and on the back side thereof with first ground bent lines along the bending direction. The first ground bent lines are electrically connected to the second ground bent lines and the third ground bent lines via through holes.

Abstract: A printed circuit board having embedded capacitors includes a double-sided copper-clad laminate including first circuit layers formed in the outer layers thereof, the first circuit layers including bottom electrodes and circuit patterns; dielectric layers formed by depositing alumina films on the first circuit layers by atomic layer deposition; second circuit layers formed on the dielectric layers and including top electrodes and circuit patterns; one-sided copper-clad laminates formed on the second circuit layers; blind via-holes and through-holes formed in predetermined portions of the one-sided copper-clad laminates; and plating layers formed in the blind via-holes and the through-holes. The manufacturing method of the printed circuit board is also disclosed.

Abstract: The preferred embodiment the invention proposes pertains to a Telecommunication connector PCB layout, which is primarily comprised of the components of a fiberglass board or other condensed board material, copper foil, position hole, through hole. The invention utilizes the inner layer board for main circuit layout that allows the response circuit gap to instantly achieve an optimal balancing power condensing effect at the nearest distance, and the circuit will not be hindered by the outer layer's pressure resistance issue or the circuit's multiple copper buildups, and is able to derive a maximum compensation to the response yield at where near the plug to be able to better achieve stabilizing the functions of category-six communications protocols.

Abstract: Disclosed herein is a Printed Circuit Board (PCB) having embedded resistors and a method of manufacturing the same, in which contact pads are formed by filling via holes formed on electrode pads with oxidation-resistant conductive material, and resistors are formed on the contact pads. Accordingly, erosion that occurs between the electrode pads and the resistors can be prevented using the contact pads made of oxidation-resistant conductive material, and connections between circuits also can be realized. Furthermore, resistors are formed on a flat plane without any difference in height, attributable to the electrode pads, and thus differences between the resistance values of the built-in resistors can be greatly reduced.

Abstract: A double-sided printed circuit board (PCB) layout for an information jack has an information jack terminal and an IDC wiring terminal together with a number of pairs of condensers, a number of pairs of power inducers, main lead wires, a number of pairs of leads, and extension lead wires. The PCB contains a circuit lead wire structure for the jack terminal and for the IDC wiring terminal and eight pins for each terminal separated into pairs wherein pair one is comprised of pins 4 and 5 and pair three is comprised of pins 3 and 6. Pair one's 4, 5 pins and Pair three's 3, 6 pins are separated and located on different sides of the PCB. In this way the power inducting effect and power condensing effect generated from the main leads and extension leads are utilized to achieve the objective of reducing cross-take and improving return loss, thereby allowing the two to surpass Category 6 communications protocols for improving correct signal transmission and maximizing the product's overall operating yield.

Abstract: A raceway system having forwardly open channel-shaped base members with opposed longitudinally extending side walls, and the side walls including inwardly and rearwardly projecting marginal edge flanges, the improvement wherein the raceway covers must be slid into these elongated base members to define at least one wireway therebetween, the covers including clips with wing portions adapted for nesting relationship between the base side walls and the base marginal edge flanges, whereby the covers cannot be disassembled from the base members as a result of flexing the base side walls, but must be disassembled by sliding them apart. These clips also include leg portions that extend well inside the base to prevent attempts to push the cover into the base, and thereby spread the base side walls to gain access to the interior wireway(s).

Abstract: The present invention provides a system and method for mounting an electrical device on a wall. The electrical device has a mount and a base. The base connects to an electrical outlet on a surface, and has a first electrical connector, and a magnetic face plate. The electrical device has a magnet and a second electrical conductor that are positioned so that the magnet mates with the magnetic face plate, and the second electrical connector mates with the first electrical connector.

Abstract: Apparatus and methods for drilling with casing. In an embodiment, methods and apparatus for deflecting casing using a diverter apparatus are disclosed. In another embodiment, the apparatus comprises a motor operating system disposed in a motor system housing, a shaft operatively connected to the motor operating system, the shaft having a passageway, and a divert assembly disposed to direct fluid flow selectively to the motor operating system and the passageway in the shaft. In another aspect, methods and apparatus for directionally drilling a casing into the formation are disclosed. Methods and apparatus for measuring the trajectory of a wellbore while directionally drilling a casing into the formation are also described.

Abstract: Aspects of this invention include a steering tool having a controller configured to provide closed-loop control of hydraulic fluid pressure. In one exemplary embodiment, closed-loop control of a system (reservoir) pressure may be provided. In another embodiment, closed-loop control of a blade pressure may be provided while the blade remains substantially locked at a predetermined position. Other exemplary embodiments may incorporate rule-based-intelligence such that pressure control thresholds may be determined based on various measured and/or predetermined downhole parameters. The invention tends to reduce the friction (drag) between the blades and the borehole wall and thereby also tends to improve drilling rates. Moreover, the invention also tends to improve the service life and reliability of downhole steering tools.

Abstract: The present invention relates to a rock drilling device comprising a feed beam (4), which has a drill end (41) from which the drill point protrudes at drilling and a rear end (42) opposite said drill end. A rock drilling machine (5) is movable along the feed beam (4) and a pressure cylinder (6) is arranged at least partly inside the feed beam (4) with one end (622) movable relative to the feed beam (4) and one end (611) fixedly arranged relative to the feed beam. A feed line (51) is driven by the pressure cylinder (6) and connected to the drilling machine (5) for feeding it to and for along the feed beam (4). At least a part of the pressure cylinder (6) is arranged inside the feed beam (4) and the fixed end (611) of the pressure cylinder (6) is arranged at the rear end (42) of the feed beam, the pressure cylinder (6) being adapted to feed, via said feed line (51), the drilling machine (5) to and for along the feed beam. The invention also relates to a drill rig comprising said rock drilling device.

Abstract: This invention relates to a rock drilling device comprising a feed beam (4), which has a drill end (41) from which the drill point protrudes at drilling and a rear end (42) opposite said drill end; a rock drilling machine (5) movable along the feed beam (4); a pressure cylinder (6), which is arranged in connection with the feed beam (4) with one end (622) movable relative to the feed beam (4) and one end (611) fixedly arranged relative to the feed beam (4). The pressure cylinder (6) drives a feed line (51) for feeding the drilling machine (5) to and fro along the feed beam (4). The feed line (51) is routed over two outer sheaves (52,53) that are arranged at each end (41,42) of the feed beam (4) and a measuring device (7) for measuring the location of the drilling machine (5) relative to the feed beam (4) is arranged to the shaft (9) of one of the sheaves (52,53) and the sheave and the shaft (9) are arranged such that they rotate together.

Abstract: This invention describes a conveyor tube for use in installing or replacing a well tool in a producing well, wherein the well tool is fed into the conveyor tube which at least runs between a valve tree and at least one receiving unit in the well, and wherein the conveyor tube is installed on the outside of and in fluid communication with a production tube in the well. A method for using same is also described.