Class / Patent application number | Description | Number of patent applications / Date published |
081570330 | Round work | 36 |
20080307929 | Manual Tong - A manually or mechanically/hydraulically operable tong of light weight and high load capacity by means of a multi-layer interlocking construction achieved by cutting the shapes from plate steel by known means, assembling the plate sections in suitable order, and retained with each other by cylindrical steel pins ( | 12-18-2008 |
20090217788 | METHODS AND APPARATUS FOR AUTOMATED OILFIELD TORQUE WRENCH SET-UP TO MAKE-UP AND BREAK-OUT TUBULAR STRINGS - Automated make-up and break-up methods and apparatus for rotary oil well drilling are presented. The apparatus includes a drilling database storing tubular type records, a torque wrench having a spinner, and a controller. During make-up, the controller retrieves one or more tubular type records stored in the drilling database in order to configure the torque wrench and/or the spinner to connect an additional tubular section to a tubular string or to disconnect a connection between tubulars in accordance with tubular type parameters. Sensors are employed on various drill rig components and reported sensor values are monitored. Timers are started concurrent with the initiation of various make-up and break-out steps. Exceptions are thrown when sensor values are out-of-range or when steps take too long to complete. Advantages are derived from speeding-up drill rig operations. | 09-03-2009 |
20090235785 | GEAR SYSTEM FOR A WRENCH - A gear mechanism is presented. The gear mechanism includes a structure having a spiral-pattern groove with an axis extending through a center of the spiral-pattern groove and an arm with teeth extending across the spiral-pattern groove. The teeth are shaped and arranged to fit in the spiral-pattern groove such that when the structure is rotated about the axis, the teeth slide in the spiral-pattern groove to move the arm toward or away from the center of the spiral-pattern groove depending on the direction of rotation. This gear mechanism may be incorporated into a wrench, such as a wrench for removing and installing automotive oil filters. | 09-24-2009 |
20090272234 | Internally fitting tool for spinning a hollow element - A spinner tool has a shaft that is receivable in a rotation-imparting device, such as a hand-held drill. The shaft carries mounts in which the shaft rotates. Gripper elements are mounted between the mounts for radial movement relative to the shaft. The shaft is configured to move the gripper elements away from the shaft away from the shaft upon rotation of the shaft. This movement of the gripper elements causes the gripper elements to engage the interior surface of a hollow-cylindrical element in which the tool is inserted, so that the hollow-cylindrical element rotates together with the shaft. | 11-05-2009 |
20090301262 | Apparatus and Methods for Spinning a Pipe - Apparatus and methods for rotating or spinning a tubular. In some embodiments, the apparatus, referred to herein as a pipe spinner, includes a body, an arm pivotally coupled to the body, and an actuator coupled to the arm. The arm has a cam roller coupled thereto. The actuator is operable to pivot the arm relative to the body between an open position and a closed position. In the closed position, the cam roller engages the tubular. In the open position, the cam roller is disengaged from the tubular. | 12-10-2009 |
20100050817 | AUTOMATICALLY ADJUSTABLE POWER JAW - An improved jaw apparatus is provided for making or breaking a tubular pipe connection. The jaw includes a head adapted to receive a hook having a threaded shank end. The threaded shank end is engaged at the head end opposite the hook end by a hydraulic powered nut adjustment assembly. The adjustment assembly may be operated by a control unit to allow for the automatic opening and closing of the jaw for receiving pipes of varying diameters. | 03-04-2010 |
20100263495 | Device for a Power Tong - A device for a power tong ( | 10-21-2010 |
20110138969 | WRENCH FOR USE WITH A DRILLING APPARATUS - The invention relates to a drill bit wrench ( | 06-16-2011 |
20120137834 | Jaw assembly for gripping pipes - A jaw assembly for a power tong or back-up tong is provided with a jaw die plate and a die seating surface that are shaped to permit radial insertion of the die plate ( | 06-07-2012 |
20130014612 | Internally Retained Jaw Roller Pin - A power tong jaw comprising a jaw body having upper and lower flange sections with flange apertures formed through the upper and lower flange sections. The power tong jaw will further have a jaw roller including a pin aperture and a roller pin positioned through the pin aperture in the jaw roller and through at least one of the upper or lower jaw flange apertures. The power tong jaw will further include a flexible retaining mechanism (i) positioned between outer surfaces of the upper and lower flange and (ii) engaging the roller pin. | 01-17-2013 |
20130305884 | Well Drilling Assemblies and Methods - Break out wrench assemblies are provided that can include: a pair of opposing arms linked by an actuator; at least one wheel assembly having an axle substantially normal to a surface of at least one of the opposing arms; and a power source coupled to the wheel. Methods for separating linked longitudinal sections are provided, the methods can include: providing at least two linked longitudinal sections; securing one of the two linked longitudinal sections; contacting another of the two linked longitudinal sections with at least one wheel; and powering the wheel to rotate the other of the sections in relation to the secured section. | 11-21-2013 |
20150143960 | POWER TONG FOR TURNING PIPE - A power tong having a self-contained hydraulic power system within its rotating body converts mechanical energy from at least one mechanical link to hydraulic energy within the self-contained hydraulic power system. Energy applied from the non-rotating portion of the power tong is transferred to the mechanical link that links the fixed portion with the rotating portion of the power tong thus removing the need for rotary seals. The mechanical energy transferred to the self-contained hydraulic power system within the rotating body is used to extend and retract one or more grippers in contact with, for example, a tubular of well equipment drill strings. | 05-28-2015 |
20160136794 | OIL FILTER WRENCH - An oil filter wrench. The oil filter wrench includes a housing and an engagement lever. The head portion of the engagement lever has an aperture sized to receive an oil filter therethrough and may have protrusions adapted to engage the oil filter. The engagement lever is rotatable around the center of the aperture and in relation to the housing such that the handle portion of the engagement lever is movable from a first position distal to the handle of the housing to a second position proximate to the housing. The handles of the engagement lever and the housing may be gripped by one hand, allowing for ease of operation of the oil filter wrench. | 05-19-2016 |
081570340 | With additional work-engaging means | 20 |
20080307930 | Wrap around tong and method - A wrap around tong system is provided with a rotary drive tong and backup tong that remain positioned around the pipe string as the pipe string is run into or out of the wellbore. The tong system is affixed to the drill floor and does not rotate or move laterally to the pipe string. The power tong system is moved upwardly and downwardly to position the rotary drive tong and backup tong at appropriate postions on the pipe string. The rotary drive tong provides both spinning and torquing for making or breaking connnections. | 12-18-2008 |
20090025517 | TORQUE SENSOR INSERTION AND DEINSERTION TOOLS - A torque sensor insertion tool is provided for installing a torque sensor disposed on an axle and a torque sensor deinsertion tool is provided for removing a torque sensor unit disposed on the axle. These tools are designed to avoid applying an excessive tension force or an excessive compression force that will distort the torque sensor unit during installation and removal of the torque sensor unit disposed on the axle. Basically, the tools contact the torque sensor at two axially spaced apart points and support the torque sensor unit both internally and externally during installation and removal. The torque sensor insertion tool basically has an axle attachment structure, a tubular sensor supporting structure and a tubular sensor moving structure. The torque sensor deinsertion tool basically has an outer member, an inner member and a nut member. | 01-29-2009 |
20090126536 | Slippage Sensor and Method of Operating an Integrated Power Tong and Back-Up Tong - Method and apparatus to make-up or break-out a threaded tubular connection using an integrated power tong and back-up tong ( | 05-21-2009 |
20090235786 | POWER TONG - A power tong construction in particular designed to annul compulsory forces that may arise within the tong construction during makeup/breakout operations of pipe joints in a string of pipes, is shown. The power tong construction is one unit having a main frame carrying a torque tong and a backup tong. The main frame is located on a drill floor on board a vessel or fixed installation, and is moveably arranged in guide rails. The torque tong is loosely suspended and “floatingly” arranged in the power tong construction, said power tong thereby having a limited freedom of motion in all directions in the horizontal plane and vertical plane, and has means to counteract external rotation and annulment of compulsory forces, when the power tong makes up/breaks out pipe joints, arranged between the power tong and the main frame. | 09-24-2009 |
20090272235 | TUBULAR HANDLING SYSTEM - A tubular handling system includes a plurality of roller units configured to engage and rotate a first tubular, wherein the roller units are configured to adjust about a concentric center of the first tubular. The tubular handling system further includes an upper jaw assembly including a double-acting gripping cylinder, the upper jaw assembly configured to grip the first tubular, a lower jaw assembly including a double-acting gripping cylinder, the lower jaw assembly configured to grip a second tubular, a first torque cylinder configured to rotate the upper jaw assembly in a first direction relative to the lower jaw assembly, and a second torque cylinder configured to rotate the lower jaw assembly in an opposite direction relative to the upper jaw assembly. | 11-05-2009 |
20110030512 | Tubular Joining Apparatus - An apparatus for making and/or breaking a threaded connection between a first tubular and a second tubular according to one or more aspects of the present disclosure may include a spinner operable to spin the first tubular relative to the second tubular; a zero-side-load (“ZSL”) device operable to relieve the transverse force induced on the threaded connection in response to the spinner spinning the first tubular; a torque wrench operable to rotate the first tubular relative to the second tubular; and a back-up wrench operable to grip the second tubular. | 02-10-2011 |
20110094345 | Sucker Rod Coupling Extractor - A prior art sucker rod tong is improved to remove a coupling completely from a sucker rod assembly comprising sucker rods joined end to end by couplings. The prior art sucker rod tong has a rotatable jaw assembly and a lower backup wrench adapted to cooperate to unscrew a coupling joining first and second rods, where the coupling remains screwed to the second rod after it is unscrewed from the first rod. The improvement comprises a coupling extractor for unscrewing the coupling from the second rod so that the coupling can be replaced. The coupling extractor comprises a shaft having an extractor end portion on each end of the shaft and a shield around each extractor end portion, wherein the coupling extractor is designed and sized to fit within and to be rotated by the jaw assembly. The extractor end portion engages the inside wall of the coupling to unscrew the coupling from the second rod. The extractor end portion is preferably a tapered, left-handed spiral fluted easy-out extractor. The improvement preferably further comprises an upper backup wrench movably connected to the sucker rod tong for holding the second sucker rod when the second sucker rod is above the coupling. | 04-28-2011 |
20110094346 | Sucker Rod Coupling Extractor - A prior art sucker rod tong is improved to remove a coupling completely from a sucker rod assembly comprising sucker rods joined end to end by couplings. The prior art sucker rod tong has a rotatable jaw assembly and a lower backup wrench adapted to cooperate to unscrew a coupling joining first and second rods, where the coupling remains screwed to the second rod after it is unscrewed from the first rod. The improvement comprises a coupling extractor for unscrewing the coupling from the second rod so that the coupling can be replaced. The coupling extractor comprises a shaft having an extractor end portion on each end of the shaft and a shield around each extractor end portion, wherein the coupling extractor is designed and sized to fit within and to be rotated by the jaw assembly. The extractor end portion engages the inside wall of the coupling to unscrew the coupling from the second rod. The extractor end portion is preferably a tapered, left-handed spiral fluted easy-out extractor. The improvement preferably further comprises an upper backup wrench movably connected to the sucker rod tong for holding the second sucker rod when the second sucker rod is above the coupling. | 04-28-2011 |
20110146457 | A WRENCH FOR USE WITH DRILLING APPARATUS - The invention relates to a wrench for use with drilling apparatus and which serves for loosening adjacent drill bit segments of a drill bit during drilling of extended holes into the ground and where this involves the insertion of, or the removal of, extension segments from the drill bit. The wrench includes a pair of carrier members whereby it is supported on the support structure of a drilling apparatus, as well as a pair of gripping members, displaceably supported between the carrier members and between which a drill bit segment can be gripped, and piston/cylinder mechanisms whereby the carrier members, and hence the wrench, can be displaced between an inoperative stowed configuration and an operative configuration and whereby the gripping members can be displaced for gripping a drill bit segment and for loosening the segment with respect to an adjacent segment. | 06-23-2011 |
20110197715 | METHOD FOR ACCURATELY MEASURING APPLIED TORQUE IN A HYDRAULIC BREAKOUT MACHINE AND A HYDRAULIC BREAKOUT MACHINE THAT MEASURES APPLIED TORQUE - A method of accurately measuring applied torque in a hydraulic breakout machine involves using at least one sensor to measure reactive torque, and using the reactive torque measurement as an accurate indication of applied torque. | 08-18-2011 |
20110219917 | BREAKOUT WRENCH SYSTEM - A breakout wrench for use with a rock drill string includes a frame adapted for mounting to a rock drill feed guide structure, and a sub-frame rotatably connected to the frame about a drill string longitudinal axis. The sub-frame supports a pair of jaw members adapted for radial movement towards and away from one another and to releasably engage a first section of a drill string. The breakout wrench also includes a clamping member supported by the rock drill feed guide structure. The clamping member is adapted to releasably engage a second section of the drill string spaced axially from the first section. | 09-15-2011 |
20110252926 | Floating wrench assembly for drill rig - A wrench assembly is mounted on a drill rig so as to have some freedom of movement in three axes. The wrench assembly includes a wrench subassembly having an upper wrench and a lower wrench. Both the upper wrench and the lower wrench are provided with jaw assemblies that are adapted to grip a pipe section or to release it. One of the upper wrench and lower wrench is pivotally moveable with respect to the other to apply a twisting force to a pipe section gripped by one of the upper and lower wrenches with respect to an adjacent pipe section gripped by the other of the upper and lower wrenches. The wrench assembly also includes a generally planar support table. The wrench subassembly is attached to the support table in such a manner as to allow the wrench subassembly to pivot about an axis that is perpendicular to the plane of the support table, and in such a manner as to allow the wrench subassembly to tilt with respect to the plane of the support table. | 10-20-2011 |
20120210828 | Make/Break Tool - A make/break tool having (a) a base plate and (b) a swivel housing rotatively mounted on the base plate. The swivel housing includes (i) a center aperture; (ii) at least one gripping linear actuator; and (iii) at least one a lever arm. The tool further includes a torque linear actuator having (i) an actuator rod and an actuator body, where at least one actuator rod end is pivotally connected relative to the base plate; and (ii) a pivotal connection to a distal end of the lever arm. | 08-23-2012 |
20120297933 | ATTACHMENT FOR MAKING UP OR BREAKING OUT PIPE - An attachment is described that is configured for attachment to an arm of a piece of heavy construction equipment. The attachment is configured to rotate a section of pipe during break out (i.e. disconnection or disassembly) from another section of pipe and/or make up (i.e. connection or assembly) with another section of pipe. The attachment is configured to break the joint or torque the joint to a predetermined torque value, unthread or thread pipe, and lift the pipe under the power of the heavy construction equipment. | 11-29-2012 |
20130118316 | BREAKOUT TOOL - A breakout tool including a breakout tong adapted to grip a first one of the two components of a drill string. The breakout tool can be used for breaking out the two components of a drill string whilst a second one of the two components is held stationary. The breakout tong includes a first jaw and a second jaw, with the second jaw pivotally coupled to the first jaw at a first pivot point. A small hydraulic cylinder is provided in the breakout tong for forcing the second jaw to pivot about the first pivot point when it is activated wherein, in use, the first drill string component can be gripped between the second jaw and the first jaw. A main hydraulic cylinder is adapted to be mounted on the drill rig, and which is mechanically coupled to the breakout tong for applying a torque to the breakout tong. In use, the two components of the drill string can be broken apart by the breakout tong gripping the first drill string component and applying a torque thereto via the main hydraulic cylinder. | 05-16-2013 |
20130298734 | Oilfield Tubular Spin-In and Spin-Out Detection for Making-Up and Breaking-Out Tubular Strings - Spin-in and spin-out apparatus and methods are presented wherein an oilfield tubular spinner used in combination with a wrench detects the shouldering-up of tubulars during make-up and tubular thread disengagement during break-out. Sensors are employed to quantify measurables indicative of shouldering-up and thread disengagement, the measurables being used to shutdown spin-in and spin-out operations. Thresholds are employed to detect measurable values of interest. Timers may be employed to monitor and control the spin-in and spin-out operations. | 11-14-2013 |
20140096651 | WELL HEAD WRENCH - A wrench for unthreading a well head flange from a pipe is provided. The wrench can include a pipe jaw for gripping the pipe, and a torque arm assembly for applying rotational force to the well head flange. The assembly can include a torque arm wherein one end of the torque arm can be pivotally attached to a bolt hole disposed through the well head flange. Extending a cylinder disposed between the assembly and to an opposing end of the torque arm can cause the torque arm contact and rotate the well head flange relative to the pipe. | 04-10-2014 |
20140283653 | POWER TONG - A power tong includes a rotor, driven by a primary drive, for spinning and torquing threaded connections of a tubular gripped in the rotor. A grip in the rotor grips the tubular. A serpentine member supplies power to actuate the grip. The serpentine member is driven by a secondary drive. The primary and secondary drives are mounted on a stator frame. The rotor is rotatably mounted to the stator frame and driven by the primary drive during continuous three hundred and sixty degrees of rotation. A fixed or backup jaw may also be mounted to the stator frame. Tubular grippers on the fixed jaw grip a first side of a tubular joint. The grip on the rotor grips the opposite side of the tubular joint. High torque low-rotational speed applied to the rotor torques the joint. Low torque high-rotational speed applied to the rotor spins the joint. | 09-25-2014 |
20150107420 | Torque Device for Oil Field Use and Method of Operation for Same - An apparatus for applying torque about an operational axis of rotation includes a first torque device member. In addition, the apparatus includes an actuator support configured to move radially relative the operational axis and configured to be restricted from rotating in a plane oriented perpendicular to the operational axis. Further, the apparatus includes a first torque actuator pivotally coupled to the first torque device member and the actuator support. Still further, the apparatus includes a rod or a second torque actuator pivotally coupled to the first torque device member and the actuator support. Moreover, the apparatus includes a second torque device member coupled to the first torque device member and disposed about the operational axis of rotation. The actuator support is pivotally coupled to the second torque device member and is configured to pivot about a first pivot axis towards and away from the operational axis of rotation. | 04-23-2015 |
20160160588 | ATTACHMENT FOR MAKING UP OR BREAKING OUT PIPE - An attachment that is configured for attachment to an arm of a piece of heavy construction equipment. The attachment is configured to rotate a section of pipe during break-out (i.e. disconnection or disassembly) from another section of pipe and/or make-up (i.e. connection or assembly) with another section of pipe. The attachment is configured to break the joint or torque the joint, unthread or thread pipe, and lift the pipe under the power of the heavy construction equipment. | 06-09-2016 |
081570350 | With support | 3 |
20080196556 | CAM OPERATED JAW FORCE INTENSIFIER FOR GRIPPING A CYLINDRICAL MEMBER - An apparatus to be used in a gripping assembly for gripping a cylindrical member is disclosed. The apparatus includes a jaw body, a gripping insert, and a rotatable camming member disposed between the jaw body and gripping insert. The rotatable camming member rotates in response to the applied clamping and rotational forces of the gripping assembly and operates to intensify the force provided by the jaw to the gripping insert which is engaged with a cylindrical member. | 08-21-2008 |
20080245192 | Power tong positioner - A power tong positioning apparatus having a base section and a backup elevating section engaging the base section. A first lift assembly is positioned between the base section and the backup elevating section while a tong elevating section engages the backup elevating section. A second lift assembly is then positioned between the backup elevating section and the tong elevating section. | 10-09-2008 |
20120111155 | DEVICE AND METHOD FOR ROTATION OF TORQUE TONG - A device for rotation of a torque tong with at least two diametrically opposite circular arc-shaped segments and gripping devices for holding a pipe substantially perpendicularly to the torque tong's radial plane. To each segment and in abutment thereto there is provided at least one elongated flexible drive element operatively connected to support units and devices for movement of the respective drive element so that the torque tong is rotated in the radial plane. Each drive element is attached at first and second ends to respective securing portions and includes an engagement portion in engagement with and/or abutment against a segment. Rotation of the torque tong is implemented by performing a rectilinear movement of a first of said movement elements, and simultaneously implementing a rectilinear movement of the second of said movement elements in the opposite direction to and substantially parallel to the movement of the first movement element. | 05-10-2012 |