US20040216906A1 - Power positioner for power tong units - Google Patents
Power positioner for power tong units Download PDFInfo
- Publication number
- US20040216906A1 US20040216906A1 US10/425,844 US42584403A US2004216906A1 US 20040216906 A1 US20040216906 A1 US 20040216906A1 US 42584403 A US42584403 A US 42584403A US 2004216906 A1 US2004216906 A1 US 2004216906A1
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- US
- United States
- Prior art keywords
- carriage
- base
- pedestal
- power tong
- lift assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 37
- 210000004124 hock Anatomy 0.000 claims description 13
- 239000003381 stabilizer Substances 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims 1
- 238000005553 drilling Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/165—Control or monitoring arrangements therefor
Definitions
- This invention relates to apparatus used in connection with the drilling and servicing of earthen boreholes, commonly called “wells,” and more particularly to apparatus used to position power tongs at desired locations to make up and break out threaded connections on tubular goods.
- Power tongs have come into widespread use in the oil and gas industry, especially on drilling rigs in recent times, to make up and break out threaded connections on tubular goods, referred to herein as tubulars.
- Tubulars include all manner of threaded connection goods such as tubing, casing, and drill pipe.
- tool joints the use of power tongs to make up and break out drill pipe threaded connections, commonly called tool joints, has greatly increased.
- Such connections require high torque values, and consequently the tong units required to generate such torque values are quite heavy.
- the present invention in one presently preferred embodiment, is a power positioner for placement of tongs in a desired location about a rig floor.
- the term “tongs” as used herein comprises any type of powered device with which to makeup and/or breakout threaded tubular connections, whether it be a “make and break” device, conventional power tong, power tong unit comprising a backup, etc.
- the invention comprises a vertically movable pedestal having a base and a sliding carriage mounted on it.
- the sliding carriage preferably rides on a plurality of rollers disposed between the base and the carriage, and is movable back and forth horizontally by a pair of hydraulic cylinders.
- the base is rotationally mounted on the pedestal, such that rotation of the base in turn rotates the carriage in a substantially horizontal plane.
- a powered pinion and ring gear assembly provides the rotary movement between the base and the pedestal.
- a lift assembly is mounted on the carriage, and in the preferred embodiment comprises two arms pivotally mounted on the sliding carriage, with a rotating gambrel joining the two arms.
- a power tong may be suspended from the gambrel. Hydraulic cylinders attached between the lift assembly and the sliding carriage permit pivoting the lift assembly about its pivot points, so that a power tong hanging therefrom is both raised/lowered and moved backward/forward by the pivoting motion.
- Controls are operationally connected to the power positioner, via any combination of mounting on the tong, at a remote location connected by a control umbilical, or via radio frequency connection, to raise and lower the pedestal; rotate the base on the pedestal; pivot the lift assembly; and move the sliding carriage backward and forward, thereby permitting a power tong to be positioned at a desired location with respect to the rig floor.
- FIG. 1 is a perspective view of a typical rig floor setting showing the apparatus in a fully retracted position, with the power tong in a stored position.
- FIG. 2 is an exploded view of the apparatus in a perspective view of the apparatus in an extended position, with the power tong positioned to engage a drill pipe connection.
- FIGS. 3-5 are side views of the apparatus, in several different positions.
- FIG. 6 is another side view of the invention.
- power tong encompasses any form of powered device used to make up and/or break out threaded tubular connections (on any type of tubular, including drill pipe, tubing, casing, etc.), and includes drill pipe tongs, casing tongs, “make/break” devices, etc. It is further understood that the invention may have application in many different settings; as a matter of convenience only, the invention is described in connection with its deployment on a drilling or workover rig. However, it is equally applicable to positioning tongs in a shop environment, for example.
- FIG. 1 best serves to illustrate a typical installation of the power positioner on a rig floor, in proximity to a threaded tubular connection to be made up or broken out, such as a drill pipe connection. While the power positioner may be installed at various desired locations about the rig floor, one possible location is to one side of the rotary table, to permit ready access to tubulars both in the rotary and in the mousehole.
- FIG. 1 shows the apparatus in a retracted position, with the tong in a stored position substantially over the pedestal. With the power positioner mounted in front of the drawworks, in the retracted position the entire apparatus (including the power tong mounted thereon) is out of the way of most rig operations, yet is positioned to readily be placed into service when needed.
- FIG. 2 is an exploded view of the apparatus.
- power positioner 10 comprises a vertically movable pedestal 20 mounted on or in a desired location, for example mounted on a rig floor and extended down below the rig floor.
- pedestal 20 may be mounted on the floor of a shop or other similar setting.
- pedestal 20 is vertically movable by hydraulic means, although mechanical means such as a roller and flat gear combination could be used.
- a base 30 is rotationally mounted on pedestal 20 , preferably atop pedestal 20 .
- a powered pinion and ring gear assembly 40 permits controlled rotation of base 30 on pedestal 20 .
- a carriage 40 is slidably disposed on base 30 , and in the presently preferred embodiment, carriage 40 rides on a plurality of rollers 60 which are disposed between base 30 and carriage 50 , preferably mounted on base 30 .
- a means for moving carriage 50 on base 30 is provided.
- this means for moving comprises at least one, and preferably a pair of hydraulic cylinders 70 mounted between base 30 and carriage 50 . Actuation of hydraulic cylinders 70 moves carriage 50 between a retracted position and an extended position, as is later described.
- Both horizontal and vertical movement of a power tong is provided by a lift assembly preferably mounted on carriage 50 , from which a power tong is suspended.
- the lift assembly comprises at least one, and preferably a pair, of arms 80 rotatably mounted on carriage 50 .
- a means for rotating arms 80 about their pivot point is provided.
- the presently preferred embodiment comprises an extensible means such as hydraulic cylinder 90 connected between arms 80 and carriage 50 , which rotates arms 80 with extension and retraction of the hydraulic cylinder.
- a gambrel 100 joins arms 80 , and power tong 110 is suspended from gambrel 100 .
- Gambrel 100 typically suspends power tong 110 such that power tong 110 can swing back and forth to a limited degree, with rotation of gambrel 100 about its longitudinal axis.
- An elastic means 130 such as a spring or pneumatic cylinder, can be disposed between power tong 110 and gambrel 100 , to provide some “cushioning” to the weight of power tong 110 hanging from gambrel 100 , and additionally to permit power tong 110 to move up or down while engaged on the tubular, to permit the tong to compensate for thread makeup and breakout (either extending or contracting).
- power tong 110 could be mounted to arms 80 via different configurations of rigid members, or even by flexible members such as cables and the like, from arms 80 .
- a stabilizer 120 that connects between power tong 110 or the means by which it is suspended from arms 80 , and some other part of the apparatus, for example to arms 80 .
- one embodiment has stabilizer 120 mounted between arm 80 and gambrel 100 .
- Stabilizers 120 may be hydraulic, pneumatic, or spring cylinders, etc. to dampen and restrain the degree to which power tong 110 can swing.
- the preferred embodiment of the invention can also comprise controls of forms well known in the relevant art to control rotation of the base on the pedestal; movement of the pedestal up and down; movement of the carriage back and forth on the base; and movement of the arms. Further, controls may be provided to operate the various aspects of the power tong unit itself. Such controls may be connected to the various parts of the power positioner and power tong unit via a hydraulic line/electric cable umbilical, routed to a conveniently placed control panel; or communication via radio waves between controls and the controlled mechanisms can be used. Yet another embodiment has controls for both the power positioner and the power tong unit mounted on the power tong unit, for easy manipulation by the power tong operator.
- FIGS. 3-6 illustrate the power positioner in different positions, in a typical sequence of use in positioning a power tong unit onto a tubular threaded connection. While the particular embodiment illustrated is on a rig floor setting, as earlier mentioned it is understood that the scope of the invention lends itself to use in other settings, such as a shop for manipulation of bottom hole assemblies, etc.
- FIG. 3 illustrates a key space saving aspect of the invention, wherein the pedestal is (in a retracted position) largely below the rig floor (or shop floor or the like).
- FIG. 4 is a next exemplary position in the course of moving power tong 110 from a retracted position to a position around the tubular. Cylinders 70 are extended to rotate arms 80 to a forward position. In this figure, carriage 50 is still in a retracted position on base 30 .
- FIG. 5 next shows power tong 110 in a position around the tubular.
- Carriage 50 has been advanced on base 30 , and the combination of lateral movement of carriage 50 and arms 80 is sufficient to place power tong 110 in a desired position around the tubular. It is understood that the combination and sequence of lateral movement of power tong 110 , by both movement of carriage 50 and rotation of arms 80 , can be in any desired sequence, and to any desired degree. The dimensions of the various components can be adjusted to suit differing settings.
- FIG. 6 additionally shows the component of vertical movement of power tong 110 achieved by vertical movement of pedestal 20 .
- Rotation of base 30 on pedestal 20 can give yet another degree of movement of power tong 110 .
- a power tong can thus be positioned by the present invention in a vertical plane, by a combination of pedestal movement and rotation of the arms; and in a horizontal plane, by a combination of movement of the carriage on the base, rotation of the arms, and rotation of the base on the pedestal.
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
Description
- 1. Field of Art
- This invention relates to apparatus used in connection with the drilling and servicing of earthen boreholes, commonly called “wells,” and more particularly to apparatus used to position power tongs at desired locations to make up and break out threaded connections on tubular goods.
- 2. Related Art
- Power tongs have come into widespread use in the oil and gas industry, especially on drilling rigs in recent times, to make up and break out threaded connections on tubular goods, referred to herein as tubulars. Tubulars include all manner of threaded connection goods such as tubing, casing, and drill pipe. In particular, the use of power tongs to make up and break out drill pipe threaded connections, commonly called tool joints, has greatly increased. Such connections require high torque values, and consequently the tong units required to generate such torque values are quite heavy.
- The great weight of these power tongs, and increased emphasis on safety and efficiency in rig operations has resulted in a move away from one of the earliest forms of tong “positioners”—that being the tong hung on a line, which is routed over a pulley mounted high in the rig derrick, to a counterweight that suspends the tong above the rig floor, yet permits it to be swung into position and raised and lowered. This form of “positioner” does not restrain the tong from swinging around and striking personnel and other equipment, and otherwise has limitations on its use.
- In response, various types of powered positioners, particularly for positioning power tongs, have been invented to positively position such tongs at desired positions with respect to the rig floor, and more particularly to position the tong around the threaded connection to be made up and broken out. A typical situation is the makeup or breakout of a drill pipe connection, where the tool joint is in the rotary table (essentially in the center of the rig floor) several feet above the rig floor. However, the power positioner must also be capable of placing the tong in positions away from the center of the rig floor, for example to handle drill pipe connections in the so-called rat hole or mousehole, which are displaced from the center of the rig floor. The power positioner must preferably be in a relatively out of the way position on the rig floor, and must position the power tong out of the way when not needed.
- There exist other technologies to position tongs, including boom-type positioners and those which run on stationary tracks typically disposed on the rig floor. The invention of the present application affords another solution to the problem.
- The present invention, in one presently preferred embodiment, is a power positioner for placement of tongs in a desired location about a rig floor. The term “tongs” as used herein comprises any type of powered device with which to makeup and/or breakout threaded tubular connections, whether it be a “make and break” device, conventional power tong, power tong unit comprising a backup, etc. The invention comprises a vertically movable pedestal having a base and a sliding carriage mounted on it. The sliding carriage preferably rides on a plurality of rollers disposed between the base and the carriage, and is movable back and forth horizontally by a pair of hydraulic cylinders. The base is rotationally mounted on the pedestal, such that rotation of the base in turn rotates the carriage in a substantially horizontal plane. A powered pinion and ring gear assembly provides the rotary movement between the base and the pedestal. A lift assembly is mounted on the carriage, and in the preferred embodiment comprises two arms pivotally mounted on the sliding carriage, with a rotating gambrel joining the two arms. A power tong may be suspended from the gambrel. Hydraulic cylinders attached between the lift assembly and the sliding carriage permit pivoting the lift assembly about its pivot points, so that a power tong hanging therefrom is both raised/lowered and moved backward/forward by the pivoting motion. Controls are operationally connected to the power positioner, via any combination of mounting on the tong, at a remote location connected by a control umbilical, or via radio frequency connection, to raise and lower the pedestal; rotate the base on the pedestal; pivot the lift assembly; and move the sliding carriage backward and forward, thereby permitting a power tong to be positioned at a desired location with respect to the rig floor.
- FIG. 1 is a perspective view of a typical rig floor setting showing the apparatus in a fully retracted position, with the power tong in a stored position.
- FIG. 2 is an exploded view of the apparatus in a perspective view of the apparatus in an extended position, with the power tong positioned to engage a drill pipe connection.
- FIGS. 3-5 are side views of the apparatus, in several different positions.
- FIG. 6 is another side view of the invention.
- While those skilled in the relevant art will recognize that various changes can be made from the disclosed embodiment of the invention, without departing from the spirit of the invention, with reference to the drawings one presently preferred embodiment will be described.
- It is understood that the term “power tong,” as used in this application, encompasses any form of powered device used to make up and/or break out threaded tubular connections (on any type of tubular, including drill pipe, tubing, casing, etc.), and includes drill pipe tongs, casing tongs, “make/break” devices, etc. It is further understood that the invention may have application in many different settings; as a matter of convenience only, the invention is described in connection with its deployment on a drilling or workover rig. However, it is equally applicable to positioning tongs in a shop environment, for example.
- FIG. 1 best serves to illustrate a typical installation of the power positioner on a rig floor, in proximity to a threaded tubular connection to be made up or broken out, such as a drill pipe connection. While the power positioner may be installed at various desired locations about the rig floor, one possible location is to one side of the rotary table, to permit ready access to tubulars both in the rotary and in the mousehole. FIG. 1 shows the apparatus in a retracted position, with the tong in a stored position substantially over the pedestal. With the power positioner mounted in front of the drawworks, in the retracted position the entire apparatus (including the power tong mounted thereon) is out of the way of most rig operations, yet is positioned to readily be placed into service when needed.
- FIG. 2 is an exploded view of the apparatus. With reference to FIGS. 1 and 2,
power positioner 10 comprises a verticallymovable pedestal 20 mounted on or in a desired location, for example mounted on a rig floor and extended down below the rig floor. Alternatively,pedestal 20 may be mounted on the floor of a shop or other similar setting. Preferably,pedestal 20 is vertically movable by hydraulic means, although mechanical means such as a roller and flat gear combination could be used. As can additionally be seen in FIG. 2, abase 30 is rotationally mounted onpedestal 20, preferablyatop pedestal 20. A powered pinion andring gear assembly 40 permits controlled rotation ofbase 30 onpedestal 20. Acarriage 40 is slidably disposed onbase 30, and in the presently preferred embodiment,carriage 40 rides on a plurality ofrollers 60 which are disposed betweenbase 30 andcarriage 50, preferably mounted onbase 30. - A means for moving
carriage 50 onbase 30 is provided. In the preferred embodiment, this means for moving comprises at least one, and preferably a pair ofhydraulic cylinders 70 mounted betweenbase 30 andcarriage 50. Actuation ofhydraulic cylinders 70 movescarriage 50 between a retracted position and an extended position, as is later described. - Both horizontal and vertical movement of a power tong is provided by a lift assembly preferably mounted on
carriage 50, from which a power tong is suspended. In a presently preferred embodiment, the lift assembly comprises at least one, and preferably a pair, ofarms 80 rotatably mounted oncarriage 50. A means for rotatingarms 80 about their pivot point is provided. The presently preferred embodiment comprises an extensible means such ashydraulic cylinder 90 connected betweenarms 80 andcarriage 50, which rotatesarms 80 with extension and retraction of the hydraulic cylinder. Preferably, agambrel 100 joinsarms 80, andpower tong 110 is suspended fromgambrel 100. Gambrel 100 typically suspendspower tong 110 such thatpower tong 110 can swing back and forth to a limited degree, with rotation ofgambrel 100 about its longitudinal axis. An elastic means 130, such as a spring or pneumatic cylinder, can be disposed betweenpower tong 110 andgambrel 100, to provide some “cushioning” to the weight ofpower tong 110 hanging fromgambrel 100, and additionally to permitpower tong 110 to move up or down while engaged on the tubular, to permit the tong to compensate for thread makeup and breakout (either extending or contracting). Alternatively,power tong 110 could be mounted toarms 80 via different configurations of rigid members, or even by flexible members such as cables and the like, fromarms 80. - While some degree of movement may be desirable for final positioning of
power tong 110 on a connection, preferably astabilizer 120 is provided, that connects betweenpower tong 110 or the means by which it is suspended fromarms 80, and some other part of the apparatus, for example toarms 80. As can be seen in the figures, one embodiment hasstabilizer 120 mounted betweenarm 80 andgambrel 100.Stabilizers 120 may be hydraulic, pneumatic, or spring cylinders, etc. to dampen and restrain the degree to whichpower tong 110 can swing. - The preferred embodiment of the invention can also comprise controls of forms well known in the relevant art to control rotation of the base on the pedestal; movement of the pedestal up and down; movement of the carriage back and forth on the base; and movement of the arms. Further, controls may be provided to operate the various aspects of the power tong unit itself. Such controls may be connected to the various parts of the power positioner and power tong unit via a hydraulic line/electric cable umbilical, routed to a conveniently placed control panel; or communication via radio waves between controls and the controlled mechanisms can be used. Yet another embodiment has controls for both the power positioner and the power tong unit mounted on the power tong unit, for easy manipulation by the power tong operator.
- Operation of the Power Positioner
- FIGS. 3-6 illustrate the power positioner in different positions, in a typical sequence of use in positioning a power tong unit onto a tubular threaded connection. While the particular embodiment illustrated is on a rig floor setting, as earlier mentioned it is understood that the scope of the invention lends itself to use in other settings, such as a shop for manipulation of bottom hole assemblies, etc.
- In FIG. 3, the apparatus, and hence
power tong 110, is in a substantially fully retracted position, that is, as far back from the tubular as can be positioned. As can be seen,carriage 50 is retracted on base 30 (to the right in FIG. 3 as illustrated) byhydraulic cylinders 70, andarms 80 are pulled back viahydraulic cylinders 90 to their fully retracted position.Power tong unit 110 is therefore out of the way of other rig operations. FIG. 3 illustrates a key space saving aspect of the invention, wherein the pedestal is (in a retracted position) largely below the rig floor (or shop floor or the like). - FIG. 4 is a next exemplary position in the course of moving
power tong 110 from a retracted position to a position around the tubular.Cylinders 70 are extended to rotatearms 80 to a forward position. In this figure,carriage 50 is still in a retracted position onbase 30. - FIG. 5 next
shows power tong 110 in a position around the tubular.Carriage 50 has been advanced onbase 30, and the combination of lateral movement ofcarriage 50 andarms 80 is sufficient to placepower tong 110 in a desired position around the tubular. It is understood that the combination and sequence of lateral movement ofpower tong 110, by both movement ofcarriage 50 and rotation ofarms 80, can be in any desired sequence, and to any desired degree. The dimensions of the various components can be adjusted to suit differing settings. - FIG. 6 additionally shows the component of vertical movement of
power tong 110 achieved by vertical movement ofpedestal 20. Rotation ofbase 30 onpedestal 20 can give yet another degree of movement ofpower tong 110. - It can be readily appreciated that a power tong can thus be positioned by the present invention in a vertical plane, by a combination of pedestal movement and rotation of the arms; and in a horizontal plane, by a combination of movement of the carriage on the base, rotation of the arms, and rotation of the base on the pedestal.
- It can be readily seen by the figures and description, that the various components of the invention permit movement of the power tong in both horizontal and vertical directions, and that different positions can be readily achieved via a combination of such movements.
- While the description set forth above contains many details of the preferred embodiment, same are made in order to disclose one of the presently preferred embodiments and not by way of limitation. Various changes could be made while staying within the scope of the present invention, for example dimensions of the various elements; scope or extent of movement of the various mechanisms of the power positioner; the power positioner can be used to manipulate power tongs used to make up and/or breakout any type of threaded tubular, including drill pipe, tubing, or casing; the invention can be deployed in the field on any type of rig or other similar setting, or can be used in a shop.
- Therefore, the scope of the invention is to be measured not by the disclosed embodiments, but by the scope of the appended claims and their legal equivalents.
Claims (15)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/425,844 US20040216906A1 (en) | 2003-04-29 | 2003-04-29 | Power positioner for power tong units |
PCT/US2004/013270 WO2004097537A2 (en) | 2003-04-29 | 2004-04-29 | Power positioner for power tong units |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/425,844 US20040216906A1 (en) | 2003-04-29 | 2003-04-29 | Power positioner for power tong units |
Publications (1)
Publication Number | Publication Date |
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US20040216906A1 true US20040216906A1 (en) | 2004-11-04 |
Family
ID=33309765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/425,844 Abandoned US20040216906A1 (en) | 2003-04-29 | 2003-04-29 | Power positioner for power tong units |
Country Status (2)
Country | Link |
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US (1) | US20040216906A1 (en) |
WO (1) | WO2004097537A2 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008114064A1 (en) * | 2007-03-22 | 2008-09-25 | National Oilwell Varco, L.P. | Apparatus and method for moving connection equipment on a drilling rig |
CN103233689A (en) * | 2013-04-25 | 2013-08-07 | 西安思坦仪器股份有限公司 | Wellhead hydraulic blowout prevention pipe lifting device |
CN104533321A (en) * | 2014-12-28 | 2015-04-22 | 无锡中地地质装备有限公司 | Supporting base of pipe detaching machine for drill pipes |
US20150167410A1 (en) * | 2013-12-17 | 2015-06-18 | Offshore Energy Services, Inc. | Tubular Handling System and Method |
US9212778B2 (en) | 2012-01-04 | 2015-12-15 | National Oilwell Varco, L.P. | Apparatus and method for positioning connection equipment on a drilling rig |
US10088585B2 (en) * | 2016-12-12 | 2018-10-02 | Pgs Geophysical As | Method and system for coupling geophysical sensor cable sections |
CN112681991A (en) * | 2021-01-20 | 2021-04-20 | 江苏如石机械股份有限公司 | Safety power tongs |
CN113585990A (en) * | 2021-09-28 | 2021-11-02 | 徐州徐工基础工程机械有限公司 | Automatic jacking device of drill rod for horizontal directional drilling machine |
US20220282583A1 (en) * | 2021-03-04 | 2022-09-08 | Weatherford Technology Holdings, Llc | Control attachment for a tong assembly positioning system |
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-
2003
- 2003-04-29 US US10/425,844 patent/US20040216906A1/en not_active Abandoned
-
2004
- 2004-04-29 WO PCT/US2004/013270 patent/WO2004097537A2/en active Application Filing
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080257607A1 (en) * | 2007-03-22 | 2008-10-23 | Brian Daniel Winter | Iron roughneck extension systems |
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CN103233689A (en) * | 2013-04-25 | 2013-08-07 | 西安思坦仪器股份有限公司 | Wellhead hydraulic blowout prevention pipe lifting device |
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US20150167410A1 (en) * | 2013-12-17 | 2015-06-18 | Offshore Energy Services, Inc. | Tubular Handling System and Method |
CN104533321A (en) * | 2014-12-28 | 2015-04-22 | 无锡中地地质装备有限公司 | Supporting base of pipe detaching machine for drill pipes |
US10088585B2 (en) * | 2016-12-12 | 2018-10-02 | Pgs Geophysical As | Method and system for coupling geophysical sensor cable sections |
CN112681991A (en) * | 2021-01-20 | 2021-04-20 | 江苏如石机械股份有限公司 | Safety power tongs |
US20220282583A1 (en) * | 2021-03-04 | 2022-09-08 | Weatherford Technology Holdings, Llc | Control attachment for a tong assembly positioning system |
CN113585990A (en) * | 2021-09-28 | 2021-11-02 | 徐州徐工基础工程机械有限公司 | Automatic jacking device of drill rod for horizontal directional drilling machine |
Also Published As
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WO2004097537A3 (en) | 2004-12-02 |
WO2004097537A2 (en) | 2004-11-11 |
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