Abstract: A polished rod elevator has a top lift platform defining a polished rod passage and a mouth to laterally receive a polished rod into the polished rod passage; a plurality of linear actuators depending below the top lift platform and radially spaced from an axis of the polished rod passage to define a production tree receiving gap; and a plurality of arcuate wellhead flange mounting base plates connected to base ends of the plurality of linear actuators. Related methods of use and kits are discussed.

Abstract: A sucker rod transfer assembly for handling a sucker rod prior to the sucker rod being installed for use in a well. The transfer assembly includes an elongated body having a cavity that receives an end of the sucker rod. A slot is formed in an end wall of the body, and an opening extends lengthwise along the body that exposes the cavity. The sucker rod is engaged with the transfer assembly by inserting a tip and shoulder of the sucker rod laterally into the opening while sliding a portion of the sucker rod below the shoulder into the slot. The sucker rod is axially supported in the transfer assembly by interfering contact between the shoulder and edges of the slot. A spring selectively biases safety rings around the sucker rod end to retain the sucker rod end in the cavity.

Abstract: A sucker rod string is formed from sucker rods and sucker rod couplings. The sucker rod couplings are formed from a spinodally-hardened copper alloy comprising from about 8 to about 20 wt % nickel, and from about 5 to about 11 wt % tin, the remaining balance being copper, and having a sliding coefficient of friction of 0.4 or less when measured against carbon steel. The sucker rod string has low friction and improved pumping stroke, enhanced pumping capacity, and less load in the overall system.

Abstract: The assembly stand comprises two parallel posts (1), a horizontal girder (6) which connects the tops of the posts and is vertically movable, and a suspension frame (17) which can be displaced along the movable girder in a lateral direction and is further suitable for turning the engine (M) mounted thereon about the main axes. A lifting block (10) is provided with a lifted load sensor to record the total weight of the engine (M). The device advantageously comprises a trajectory calculating control system integrating the structural deformations caused by the lifted weight, in order to correct the docking trajectories of the modules and ensure their utmost precision.

Abstract: A pipe racking system and method, of which the pipe racking system includes a vertical column extending upwards from a rig floor, a main arm that is movable vertically along the column, a gripper connected to a distal end of the main arm and movable therewith, and an elevator including a plurality of slips configured to engage an outer diameter surface of a tubular and support a weight of the tubular by gripping the outer surface of the tubular. The elevator is suspended from the gripper or a distal end of the main arm via one or more suspension arms. The system also includes one or more guide arms connected to the vertical column. The one or more guide arms are configured to maintain a vertical orientation of the tubular.

Abstract: An elevator for moving a tubular having a tubular body and a joint section comprises an elevator body, a securing apparatus having a first blocking apparatus and a second blocking apparatus biased in a blocking position where a throat of the elevator is blocked, and an actuation apparatus coupled to the first blocking apparatus and the second blocking apparatus and adapted to manually move both the first blocking apparatus and the second blocking apparatus from the blocking position to a non-blocking position.

Abstract: An apparatus for gripping a tubular includes a body. A slip carrier is coupled to an inner surface of the body. The slip carrier is configured to pivot between an open position and a closed position. A tubular is configured to be introduced laterally into the body when the slip carrier is in the open position. A slip is coupled to the slip carrier. The slip is configured to move radially between a first position that is spaced apart from the tubular and a second position that contacts and grips the tubular.

Abstract: A portable lifting device is provided for adjusting pump spacing of a production well. The lifting device rests directly on a well head flange and provides an expansive force between the flange and a temporary polish rod clamp or collet device is attached to a polished rod extending into the well head. The device includes first and second hydraulic cylinders for simultaneously lifting the polished rod to provide a gap between a carrier bar and a polished rod clamp.

Abstract: The present invention relates to systems for securing connectors of risers in petroleum production units. In this scenario, the present invention provides an autonomous system for securing a riser support, said system comprising (i) a riser support (32) connected at its bottom end to a submerged riser (34) and at its upper end to a tensioning element (30), (ii) a supporting ledge (20) comprising a through-hole (22) through which the tensioning element (30) and at least part of the riser support (32) pass, (iii) a securing device (40) located on the supporting ledge (20), said securing device (40) sliding relative to the supporting ledge (20) and driven by an actuator (48), wherein the securing device (40) slides between an unlocked position and a locked position on the through-hole (22), wherein, in the locked position, the securing device (40) can engage with locking in a connector (38) of the riser support (32) after the connector (38) has passed through the through-hole (22) of the supporting ledge (20).

Abstract: A shoulder elevator having a gated pipe opening is disclosed. The elevator has a ringed body having unclosed sector creating an opening for receiving a pipe within the body ring. Pivotally mounted gates positioned on opposite sides of the unclosed sector of the ringed body, move in unison to an open and partially close the unclosed sector of the ringed body around the pipe in response to pipe contact with rearward end of the gates. A lever is provided to manually pivot the gates to an open and closed position around a pipe. Lifting lugs or ears are provided to attach the elevator to the lifting links of a hoist.

Abstract: System, including methods and apparatus, for mechanically moving components with lifting machinery. In some embodiments, the system may comprise a lug mounted to a component, and a clasp. The clasp may include a body configured to receive the lug. The clasp also may include a gate mechanism configured to support the body when the clasp is supported by lifting machinery, and to move with respect to the body between (a) an open position that allows removal of the lug from the body when the gate mechanism is not supporting the body and (b) a closed position that prevents removal of the lug from the body when the gate mechanism is supporting the body.

Abstract: The present invention provides an apparatus and a method for lifting a single joint of pipe. The single joint elevator of the present invention comprises, in one embodiment, a pair of deployable jaws cooperating with a pair of static jaws to secure a pipe within the slot of a generally horseshoe-shaped body. The deployable jaws of the single joint elevator of the present invention may be rotatably deployable or translatably deployable, or both. In one embodiment, each jaw, including the static jaws and the deployable jaws, comprises a pipe slip movably disposed within the jaw to secure a pipe segment within the slot and to self-tighten as the weight of the pipe segment secured within the single joint elevator is transferred to the slips and the jaws.

Abstract: A hang-off assembly for supporting a riser string from an off-shore drilling rig. The hang-off assembly includes a housing with a passage through the housing and an open section allowing access to the entire length of the passage from outside the housing. The assembly also includes a gate member movable relative to the housing from an open position to a closed position, the gate member preventing access to the passage through the open section when in the closed position. A motor moves the gate member between the open and closed positions. An adapter attachable to the riser string includes a profile landable in the housing to support the riser string when connected to the adapter.

Abstract: A vessel for operating on underwater wells has a deck; a moon pool extending through the deck; a further deck elevated above the moon pool and having a hole; and a compensation unit, which is mounted on the deck above the moon pool, is arranged between the deck and the further deck, and is provided with a frame sliding along the deck, a support carrier moveable with respect to the frame in a direction substantially vertical and suitable to support items, and a driving assembly connecting the support carrier to the frame and suitable to be selectively set so as to displace in the direction the support carrier either in a heave compensation mode or in a elevator mode.

Abstract: A cradle for safely supporting an electrical insulator which comprises a string of aligned individual insulators, each individual insulator having at least a larger diameter skirt and a concentric smaller diameter shank extending upwardly therefrom, during transport between work sites on and during helicopter transport to and from an electrical conductor supporting tower. The cradle is a partially peripherally enclosed, open-topped structure having a floor, an upstanding rear wall, peripheral walls sloping downwardly from the rear wall to a front wall, an opening in the front wall, an elongate slot in the floor extending rearwardly from the opening, the slot having a width greater than the diameter of an insulator shank but less than the diameter of an insulator skirt, the dimensions of the floor allowing an insulator skirt to lie flat thereon.

Abstract: An apparatus for handling a pipe having a body, the body defining an open throat that is adapted to receive a pipe, a plurality of jaws hingedly mounted to the body that are adapted to engage a pipe while preventing the pipe from engaging the body, each of the jaws defining a concave portion that is adapted to engage the pipe, the apparatus further including respective over-center mechanisms that are arranged between and operatively coupled to the body and each one of the plurality of jaws, each respective over-center mechanism being adapted to inhibit a respective one of the plurality of jaws from closing when jaws are open and to inhibit a respective one of the plurality of jaws from opening and disengaging from a pipe when the jaws are closed on the pipe.

Abstract: When a bottle 4 made of resin is irradiated with an electron beam while it is being held by a gripper 2, an area of the bottle 4 which is shielded from the electron beam by the gripper 2 is minimized. The gripper has a pair of supports 22A, 22B positioned on opposite sides of the bottle made of resin, and abutments 24A, 24B disposed respectively on the supports 22A, 22B for holding the bottle 4 made of resin, each of the abutments 24A, 24B comprising two thin plates 26A, 28A, 26B, 28B which are vertically spaced from each other. The abutments 24A, 24B hold the bottle 4 by gripping a neck 4a of the bottle 4 on its opposite sides. While holding the bottle 4, the supports 22A, 22B are held out of contact with an outer surface of the bottle 4, allowing the electron beam to travel around the neck 4a to sterilize the entire surface of the bottle 4.

Abstract: An elevator comprising a body having a longitudinal axis therethrough. The body is operable to at least partially surround and support a tubular member aligned with the longitudinal axis. The body also has a longitudinal opening that is sized so as to allow the tubular member to pass therethrough. A door is rotatable about the longitudinal axis of the body and has a closed position wherein the tubular member is retained within the body and an opened position wherein the tubular member can pass through the longitudinal opening.

Abstract: A drill pipe elevator includes first and second separable pieces. Each piece comprises a drill pipe-receiving groove, and a pair of diametrically opposed projections with each projection forming only part of a pair of diametrically opposed lifting posts. The first and second separable pieces when positioned together define the pair of diametrically opposed lifting posts from the pair of diametrically opposed projections and define a drill pipe-receiving passageway through the drill pipe elevator that is oriented transversely between the lifting posts.

Abstract: An apparatus for facilitating handling pipe, the apparatus comprising a body (2) defining an open throat (11), and at least one jaw (12, 13) having a concave side for engaging a pipe the concave side having two opposed ends characterised in that said at least one jaw (12, 13) further comprises a jaw portion (14a, 15a) extending behind said concave side, said jaw portion hingedly mounted (16, 17) to said body (2) between said two opposed ends about which said at least one jaw (12, 13) is rotatable with respect to the body (2) to engage a pipe. A method for facilitating handling pipe, the apparatus of the invention, the method comprising the steps of lowering the throat of the apparatus over a pipe, the at least one jaw rotating to engage the pipe.

Abstract: An elevator apparatus for manipulating well bore tubing includes a circular body having a top and a central cavity around a body axis. The cavity has a diameter allowing the collar portion of the tubing to pass longitudinally therethrough. A plurality of cavity restricting members above the body, supported on and spaced apart around the top of the body, have proximal and distal portions in respect to the cavity. One or more actuators are operatively associated with the petal plates for moving the proximal portion of each cavity restricting member into the cavity an extent sufficient, in combination with the other cavity restricting members so moved, to prevent passage of the collar portion of the tubing through the cavity, thereby to hold the tubing with the elevator.

Abstract: A multifunction drum lifter includes a saddle and a plurality of lift arms pivotally connected to the saddle. Each arm includes a working end having at least one lift finger for engaging the chime of a drum to lift the drum. Preferably the lift arms are three in number and each includes a second lift finger for lifting different sized drums. Each lift arm also includes a plug wrench head and an open end wrench head at its working end so that the lift arms can be used as drum wrenches when removed from the saddle. Preferably each arm has a different plug wrench head and open end wrench head from the other lift arms providing an assortment of drum working tools for the user.

Abstract: A heavy duty clamp for cables or wires, and the like, said clamp having increased strength and resistance to distortion or breakage. Two overlying clamp plates, or segments, are held against relative movement by one of the plates having a shoulder member that engages with a portion of the other plate. The plates contain a split, tubular gripping member and the plates have increased longitudinal strength by having extended ends of the plates to provide protection against shearing forces created by the split tubular gripping member against the adjacent ends of the clamp plates.

Abstract: A tool grinding machine which can grind the cutting edge of a punch without disassembling the punch body from the punch assembly and further can grind the cutting edge of the upper surface shoulder portion of the die. Further, the punch and die of various shapes can be ground easily by selecting an appropriate previously stored operation mode determined according to grinding conditions. The tool grinding machine includes a rotary table 33 rotatably disposed on a slider 29 supported on a base 3 movable in the right and left direction; and a grinding tool 53 disposed axially away from the rotary table and rotatable and movable in an axial direction of the rotary table 33, for grinding workpiece fitted on the rotary table 33.

Abstract: A lifting tool comprises a lifting plate having a bifurcation. A pair of guide rods extend upwardly from the lifting plate. A keeper plate is slidable on the guide rods toward and away from the lifting plate. The keeper plate has centering mechanism and the lifting plate has adjusting mechanism for varying size of the bifurcation.

Abstract: A method to facilitate the movement of heavy molds for use in an injection molding machine employing load bearing lugs on each mold half and a lifting bar which receives and supports the lugs and mold. In the method, the lifting tool is slid over the lugs. The tool and mold is then raised and lowered until the balance point is found. The lifting bar is then clamped in place on the lugs so that the mold can be safely raised and inserted into an injection molding machine. The balanced mold can be easily moved in and out of the guide rails of the injection molding machine since it is presented as a balanced load with no tendency to bind in the machine.

Abstract: According to the invention, the device comprises clamping elements hinged in a housing provided with a cut-out and a control system formed by a group of levers which are connected with a hoisting line. Besides, one of the levers is hinged to the housing and the other levers, to the clamping elements.

Abstract: A fail-safe knock-off block for use during the repair or servicing of oil well surface pumping equipment involving a longitudinally slotted pipe capped at each end by top and bottom pipe segments which are held in place concentric to the slotted pipe by a resilient handle. An inner handle on the slotted pipe allows the concentric caps to be rotated axially from an open position to a closed position, thus encircling the polish rod. The weight of the sucker rod string on the end caps during use compresses the end caps and resilient handle thus locking the safety block such that it can neither open nor come off the well head.

Abstract: The invention deals with a novel bolt eyelet design for use on high voltage transmission lines used by utilities. The eyelet incorporates a shoulder in the base that automatically centers the installed bolt when the latter is tightened.

Abstract: A manhole cover lifter comprising an elongate inclined lever with a handle at its upper end and a fastener at its lower end for attaching to the cover of a manhole; a depending strut intermediate the ends of the lever and a pair of wheels mounted at the lower end of the strut and on a transverse axis forming a fulcrum for the lifting lever; a lifter bar connecting the wheel axle with the forward end of the lifter bar, the lifting lever being of tubular steel and a stiffener bar in the tubular lever at the upper end of the depending strut; and a handle at the upper end of the lifting lever.

Abstract: A butt hook having a main body defining a laterally open cavity within which is received a choker line ferrule. A sleeve on the main body is positionable therealong to open and close the cavity for release and retention of the ferrule. A winchline receiving, removable shackle on the main body confines the sleeve against opening movement to assure ferrule and choker line retention. The shackle is of the type manually removable enabling choker line detachment and replacement without the aid of tools. A modified form of butt hook utilizes a sleeve of reduced length slidably mounted on the main body to open and close a ferrule receiving cavity. A key on the main body prevents axial movement of the sleeve until a keyway in the sleeve is rotated into alignment with the key to permit axial sleeve movement.

Abstract: A pivotal latch for a sucker rod puller is designed to be placed on a cross-member separating a first chamber being receptive of the collar of the sucker rod and a second chamber containing the latch. Slideably disposed over the main body containing the first and second chambers is a sleeve being of sufficient length to cover the first chamber and to uncover the second chamber when slideably disposed in a first position so that the pivotal latch automatically engages the end of the sleeve. The sleeve can be further slideably disposed in a second position over the second chamber thereby enabling the sucker rod collar to be removed from the first chamber and thereby holding the pivotal latch in a deactivated state against the inner surface of the sleeve.

Abstract: Disclosed is an elevator for handling pipe with enlarged ends by gripping the end of the pipe with the enlargement between two hinged arm pieces. In the specific embodiment shown, one arm piece fits into the end of the pipe with enlarged end in the form of a collar, and cooperates with a C-shaped receptacle which is fixed to the end of the other arm piece, and which fits around the pipe and catches the pipe collar to prevent the pipe from separating from the first arm inserted into the pipe end. A spring-actuated lock prevents the arms from opening and releasing the pipe.

Abstract: A snail snare comprising a disc located beneath a cover member, the cover member including an outer annular wall having a plurality of openings therein permitting snails to move beneath the cover and gain access to pelletized poison located on the disc, a spike passing through both the cover and the disc and penetrating the ground and tightly holding the cover upon the ground, a portion of the cover being deflectable to permit access of a bracket to the attaching means in order to effect removal of such when it is desired to move the snail snare from one locale to another.