EP3260651A1 - Speichersystem für schlauchförmige strukturen - Google Patents

Speichersystem für schlauchförmige strukturen Download PDF

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Publication number
EP3260651A1
EP3260651A1 EP16175698.6A EP16175698A EP3260651A1 EP 3260651 A1 EP3260651 A1 EP 3260651A1 EP 16175698 A EP16175698 A EP 16175698A EP 3260651 A1 EP3260651 A1 EP 3260651A1
Authority
EP
European Patent Office
Prior art keywords
storage system
spacer bar
mechanical support
tubular structures
spacer
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.)
Withdrawn
Application number
EP16175698.6A
Other languages
English (en)
French (fr)
Inventor
Marco Plano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Oilwell Varco Norway AS
Original Assignee
National Oilwell Varco Norway AS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by National Oilwell Varco Norway AS filed Critical National Oilwell Varco Norway AS
Priority to EP16175698.6A priority Critical patent/EP3260651A1/de
Priority to PCT/NO2017/050164 priority patent/WO2017222391A1/en
Publication of EP3260651A1 publication Critical patent/EP3260651A1/de
Withdrawn legal-status Critical Current

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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
    • E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
    • E21B19/15—Racking of rods in horizontal position; Handling between horizontal and vertical position

Definitions

  • the invention relates to a storage system for tubular structures stacked in layers.
  • Oil drilling can be done onshore, using so-called Land Rigs, or offshore, using so-called Mobile Offshore Drilling Units (MODU).
  • the drilling tubulars (tubular structures) are stored on the side of the drilling tower, in a specific pipe storage area.
  • various systems are available in order to pick up the tubulars from their storage position and deliver them to the drilling tower.
  • the most common solution, especially for offshore drilling, is the use of a Crane with a tubular handling tool.
  • the use of these kind of systems requires storing the drilling tubulars in "layers" with spacers between the layers. In this way, it will be possible for the tubular handling tool's fingers to slide under the pipes and have a secure grip.
  • tubular handling tool's fingers will not be able to slide under the tubulars, which would be too bulky and compact.
  • the spacers used for creating layers of tubulars are made of wood and they are installed and removed manually by personnel. When a layer of tubulars is emptied, the process is temporarily interrupted and a person needs to go in the pipe storage area and remove the spacers to allow the tubular handling tool to pick up tubulars from the next layer.
  • a first disadvantage of the above-presented storage of tubular structures is that the operations are slowed down by the various interruptions. Moreover, the need for personnel near the tubular structures being transported leads to serious safety hazards for said personnel.
  • the invention has for its object to remedy or to reduce at least one of the drawbacks of the prior art, or at least provide a useful alternative to prior art.
  • the invention relates to a storage system for tubular structures stacked in layers.
  • the storage system comprises:
  • the effects of the storage system in accordance with the invention are as follows. First of all, the inventor identified the need to make the drill floor unmanned in order to reduce safety hazards of personnel. The inventor also realized that forces from the tubular handling tool, such as the tubular handling tool, may be used in solving this problem.
  • the invention provides for a mechanical support (for instance made of steel), which in operational use is placed on and extends away from the deck or surface. To this mechanical support spacer bars, for instance made of steel, have been mounted. These spacer bars replace the wooden spacer bars of the prior art. At least the upper ones of these spacer bars are mounted in a pivotable manner in such a way that the spacer bars facilitate a horizontal position for receiving tubular structures thereon as well as the possibility to rotate or pivot upwards in operational use.
  • the spacer bar that is lowest to the deck or surface does not need to be pivotably mounted, but this could be done.
  • the pivotability of the spacer bars makes it literally possible that tubular structures underneath the pivotable spacer bar can be picked up by the tubular handling tool. This is preferably done after that the tubular structures that were lying on top of the pivotable spacer bar all have been removed, but this is not essential, because even if a few tubular structure are lying on the upper one, still one or more from the layer underneath may be picked up.
  • the same pivotability of the spacer bars makes it possible to access the underlying layers with the tubular handling tool for storing said tubular structures. In other words, all manipulation and handling may be carried out by the tubular handling tool. Consequently, the invention has rendered it possible to have an unmanned pipe storage area at the drill rig.
  • tubular structure refers to any tubular structure or pipe that may be used in the petrochemical industry, such as casing segments, tubing segments, drill string segments, and so on.
  • spacer bar refers to a spacer having any kind of shape, as long as it allows for enough distance between different layers in the stack of tubular structures.
  • the at least upper one of the at least two spacer bars is mounted to the mechanical support via a hinge mechanism.
  • a hinge mechanism constitutes a convenient way of providing that the spacer bars are pivotably mounted.
  • the hinge mechanism comprises a rotation point and a hinge frame pivotably mounted to said rotation point, wherein the respective spacer bar is mounted to said hinge frame.
  • This embodiment forms a robust solution for making a hinge.
  • the hinge frame may be conveniently construct to rotate around the rotation point (being formed by a round axle for example).
  • the hinge mechanism is configured for locking the respective spacer bar in a raised position when the respective spacer bar is lifted up to prevent that the respective spacer bar falls back to a horizontal position. It is convenient to be able to lock the position of the spacer bar in an upright or substantially upright position, such that the tubular handling tool may more easily access the tubular structures in the upper one of the filled layers. Different embodiments will be discussed in the detailed description of the figures.
  • the hinge mechanism is configured for unlocking the respective spacer bar after that its position has been locked to allow the respective spacer bar to go back to its horizontal position. Once locked, this embodiment conveniently facilitates that the respective spacer bar may be unlocked again. Different embodiments will be discussed in the detailed description of the figures.
  • the hinge mechanism further comprises a linear expandable lockable member pivotably mounted between the respective spacer bar and the mechanical support, wherein the lockable member is configured to effect said locking and unlocking of the respective spacer bar.
  • This embodiment forms a first main variant of a hinge mechanism for providing a lockable and unlockable spacer bar.
  • the hinge mechanism further comprises a pin-ratchet system, wherein the pin-ratchet system is configured to effect said locking and unlocking of the respective spacer bar.
  • This embodiment forms a second main variant of a hinge mechanism for providing a lockable and unlockable spacer bar.
  • the hinge mechanism further comprises a magnetic system, wherein the magnetic system is configured to effect said locking and unlocking of the respective spacer bar.
  • This embodiment forms a third main variant of a hinge mechanism for providing a lockable and unlockable spacer bar.
  • each spacer bar is provided with a protruding part at a distal end, wherein the protruding part is configured for preventing tubular structures to fall off said spacer bars.
  • the protruding part may be provided as a separate part that is mounted on the spacer bar or it may be provided as an integrated part. Alternatively, it could be formed by simply making a bend in the distal end of the spacer bar.
  • the distal end is formed with a tilted surface and configured such that, when a tubular structure is pressed against the tilted surface in the axial direction of the spacer bar, the respective spacer bar is lifted up.
  • This embodiment is particularly advantageous when combined with embodiments that do not have locking and unlocking of the spacer bars. In the detailed description of the figures this will be further explained with an example.
  • said at least two spacer bars extend only from one side of the mechanical support.
  • At least two spacer bars extend from two opposite sides of the mechanical support.
  • An embodiment of the storage system of the invention further comprises a further mechanical support similar to and spaced apart from the mechanical support. It is possible to carry out the invention with a single mechanical support having either wide or U-shaped spacer bars. However, the invention also facilitates that the mechanical construction is just repeated such that each tubular structure is suspended on at least two points spaced apart from each other. In practise it may be between two and four mechanical supports, but any other number is also possible.
  • FIGs. 1a-1c show a prior art solution for storing tubular structures.
  • tubular structures (pipes) 200 have been stacked to form layers 201, 202. In between each layer wooden spacers 250 are present.
  • a tubular handling system 100 in this example a the "Gripper Yoke" as developed by National Oilwell Varco, is lowered towards the upper layer 202 of tubular structures 200.
  • the tubular handling tool 100 comprises a manipulator with fingers 110 as shown and may be connected, for example, to a boom of a crane. These fingers are manipulated around the pipes 200 to be picked up.
  • a conventional tubular handling tool 100 could easily pick up three pipes at the same time, as illustrated in Figs 1 b and 1 c .
  • a tubular handling tool 100 as shown in this figure, is considered to be well known to the person skilled in the art and is therefore not discussed in more detail.
  • Fig. 2 shows a first embodiment of a pipe storage system 300 (referred to as a storage system for tubular structures in the claim) in accordance with the invention.
  • the storage system 300 is placed on a deck or surface 50, for example of a rig (not shown).
  • a third layer 203 of tubular structures 200 Next to a first layer 201 and a second layer 202 of tubular structures, there is visible a third layer 203 of tubular structures 200.
  • the storage system 300 in this example facilitates up to 6 layers of tubular structures 200.
  • the invention is not limited to any specific number of layers.
  • the invention is useful for two or more layers to be stored.
  • the storage system 300 comprises a first mechanical support 310-1 and a second mechanical support 310-2, here in the form of vertical poles, which may be made of steel for example.
  • Each mechanical support 310-1, 310-2 is provided with a plurality of spacer bars 320 (for example made of steel).
  • Fig. 3 shows a front view of the storage system of Fig. 2 .
  • the upper spacer bars 320 are pivotably mounted to the respective mechanical support 310 via respective hinge mechanisms 330.
  • the bottom spacer bar 321 is fixedly mounted to the mechanical support 310. It must be noted that the bottom spacer bar 321 could also be made pivotable, which could then be used to make the storage system 300 more compact for storage, when it is not used for storage tubular structures. In Fig. 3 , however, the bottom spacer bar 321 may be used to form a stiff frame together with the mechanical support 310 such that the storage system can stand on the deck or surface 50 without tipping over.
  • Fig. 3 further illustrates respective protruding parts 325 at respective distal ends 320e of said spacer bars 320, 321, which serve to prevent the tubular structures to fall off said spacer bars 320, 321.
  • a further aspect of the embodiment shown in Fig. 3 is that the hinge mechanisms 330 are designed such that the respective spacer bars 320 can be lifted up and that their position is locked in the highest position/upright position (close to vertical orientation, i.e. 80 degrees). Furthermore, the hinge mechanisms 330 are designed such that from this (substantially) upright position, the spacer bars 320 can be unlocked and return to their horizontal position.
  • the hinge mechanisms 330 many implementations are possible. Some of possible embodiments providing locking and unlocking will be discussed with reference to Figs. 11 to 14 . It must be noted that the locking and unlocking of the hinge mechanisms 330 is not essential to the invention as will be explained with reference to Figs. 15 to 18 .
  • the invention is not limited to using two mechanical supports, because the storage system 300 could be built with either one or with more than two mechanical supports. What is essential is that each tubular structure is support in a stable manner, either by two or more separate spacer bars 320, or by a U-shaped single spacer bar (not shown). The latter could theoretically be mounted to a single mechanical support. Nevertheless, it is advantageous to support the tubular structures 200 at two locations at a specific distance from each other, for instance at 25% and 75% of the length of the tubular structures 200. Another advantage of using two support points is that the tubular handling tool 100 (i.e. tubular handling tool) may grip the tubular structures 200 right in the middle and right in between said mechanical supports.
  • the tubular handling tool 100 i.e. tubular handling tool
  • This provides for a stable handling of the tubular structures, in particular where the storage system 300 is passive, i.e. where it uses the forces from the tubular handling tool 100 to lift, lock and unlock the spacer bars 320. It must be noted that there exist also other types of tubular handling tools, which grip the respective tubular structures at, for example, 25% and 75% of their length, for example.
  • the invention provides for the possibility to choose different distances between said mechanical supports 310-1, 310-2 in order to comply with the size of the respective tubular handling tool that is used.
  • Figs. 4-10 show different stages of a method of using the storage system 300 of Fig. 2 , which offers locking and unlocking of the position of the spacer bars 320.
  • the tubular handling tool as tubular handling tool 100, but this is not essential to the invention.
  • the tubular handling tool handles only one tubular structure 100 at the time. This is not essential, the tubular handling tool might also handle two, three or more tubular structures at the time, depending on the diameter.
  • the tubular handling tool 100 has picked a target tubular structure 200-1 in its middle point.
  • the tubular handling tool 100 has picked a target tubular structure 200-1 in its middle point.
  • only the bottom two layers of the storage system 300 are filled, while the third layer 203 and fourth layer 204 are left empty.
  • the target tubular structure 200-1 is take from the fifth layer 205, while the sixth layer 206 is again empty.
  • the figure further illustrates the six spacer bars 320-1..320-6 for each respective layer 201..206.
  • the tubular handling tool 100 has pulled the target tubular structure 200-1 up against the upper spacer bars 320-6 (the 6 th spacer bar counted from the bottom) lifting it up as illustrated.
  • the tubular handling tool 100 has pushed the upper spacer bars 320 so far that they went in their locking position with the target tubular structure 200-1, which has subsequently been put away for use, i.e. in a derrick (not shown).
  • the tubular handling tool 100 has picked a target tubular structure 200-1 from another location in order to store it in the storage system 300.
  • the tubular handling tool hits the target tubular structure 200-1 against the third spacer bars 320-3 as illustrated.
  • Fig. 11 shows a first embodiment of a hinge mechanism 330-1 to be used in the invention.
  • This embodiment provides for locking and unlocking of the position of the spacer bar 320.
  • the core of the hinge mechanism 330-1 is a rotation point 331, which is here in the form of an axle, around which a circular hinge frame 332 is pivotably mounted, i.e. the circular hinge frame 332 can freely rotate around the rotation point 331.
  • the spacer bar 320 is mounted to the hinge frame 332 as illustrated.
  • the locking and unlocking functionality in this embodiment is arranged through a lockable member 340, which is on one end pivotably connected to the hinge frame 332 via a first pivotable connection 341 as illustrated. On the other end the lockable member 340 is pivotably connected to the mechanical support 310 as illustrated.
  • the lockable member 340 comprises a cylindrical frame 343 in which a plunger 344 may move up and down.
  • the hinge frame 332 rotates clockwise and the lockable member 340 is compressed.
  • the lockable member 340 must lock its position.
  • Ball pens use a cylindrical mechanism, which consists of a plunger that rotates a cam body, which alternately engages and is disengaged from spaced apart teeth on the inner wall of a cylindrical frame, for instance as known from US Patent No. 3,120,837 .
  • Fig. 12 shows a second embodiment of a hinge mechanism 330-2 to be used in the invention.
  • This embodiment provides for locking and unlocking of the position of the spacer bar 320.
  • the core of the hinge mechanism 330-1 is also a rotation point 331, which is here in the form of an axle, around which a circular hinge frame 332 is pivotably mounted, i.e. the circular hinge frame 332 can freely rotate around the rotation point 331.
  • the spacer bar 320 is mounted to the hinge frame 332 as illustrated.
  • the locking and unlocking functionality in this embodiment is arranged through a pin-ratchet system as illustrated. Ratchets 350 have been provided on the hinge frame 332 and a pivotable locking pin 351 is mounted on the mechanical support 310.
  • a first magnet 352-1 is mounted on the mechanical support 310 as illustrated for keeping the position of the locking pin 351 in its position as shown in the figure. While the hinge frame 332 is rotate clockwise, the ratchets 350 will push the locking pin outward until they passed the locking pin 351 and then the first magnet 352-1 will pull the locking pin 351 back into its original position. It is clear from Fig. 12 that the hinge mechanism 330-2 locks, holds its position at various intermediate positions as well. This effect may be advantageous, but not essential to the invention. This means that one ratchet may be enough to provide for a locking effect.
  • Fig. 12 further illustrates a first actuator 353 in the form of an arm that is mounted on the hinge frame 332.
  • Fig. 12 further illustrates a second actuator 354 in the form of a protrusion on the hinge frame 332.
  • the first actuator 353 functions as an end stop actuator and the second actuator 354 as a release actuator. This may be understood as follows. When the hinge frame 331 rotates clockwise (when the spacer arm 320 is moved up), the locking pin 351 will in effect move towards a position just behind the last ratchet 354 on the left. This complies with the upright locking position of the spacer arm 320.
  • Unlocking of the hinge mechanism 330-2 is achieved by moving the spacer arm 320 a little bit further up such that the second (release) actuator 354 pushes the locking pin 351 away from the hinge frame 331. Consequently the second magnet 352-2 will eventually lock the locking pin 351 in its second position, wherein the hinge mechanism 330-2 is released, i.e. can freely rotate.
  • the spacer bar 320 may now rotate back to its horizontal position such that the first (end stop) actuator 353 hits the locking 351 and pushes it back to its original position against the ratchets, which position will be locked by the first magnet 352-1.
  • Figs. 13-14 illustrates a third embodiment of a hinge mechanism 330-3 to be used in the invention.
  • This embodiment provides for locking and unlocking of the position of the spacer bar 320.
  • the core of the hinge mechanism 330-1 is also a rotation point 331, which is here in the form of an axle, around which a circular hinge frame 332 is pivotably mounted, i.e. the circular hinge frame 332 can freely rotate around the rotation point 331.
  • the spacer bar 320 is mounted to the hinge frame 332 as illustrated.
  • the locking and unlocking functionality in this embodiment is arranged through the implementation of an electromagnetic device 360 mounted on the mechanical support 310.
  • the electromagnetic device 360 cooperates with a metal plate 361 (or any other type of material, which can be magnetized) mounted on the spacer bar 320.
  • the spacer bar 200 is oriented in its upright position, wherein the metal plate 361 touches the electromagnetic device 360 for locking said hinge mechanism 330-3.
  • the advantage of taking an electromagnetic device 360 is that it can be switched off to unlock
  • Figs. 15-16 illustrate a fourth embodiment of a hinge mechanism 340-4 to be used in the invention.
  • This embodiment does not provide for locking and unlocking of the position of the spacer bar 320, which makes this embodiment less complex and costly to build.
  • the core of the hinge mechanism 330-1 is also a rotation point 331, which is here in the form of an axle, around which a circular hinge frame 332 is pivotably mounted, i.e. the circular hinge frame 332 can freely rotate around the rotation point 331.
  • the spacer bar 320 is mounted to the hinge frame 332 as illustrated.
  • the hinge mechanism 340-4 is configured such that the horizontal position of freely pivotable spacer bars 320 is ensured by so-called end stops 370 as illustrated in Fig. 16.
  • protruding elements 325 are formed different than in Fig. 3 , namely they are formed such that they define a tilted surface 326 at the respective distal ends 320e of the spacer bars 320.
  • the purpose of these tilted surfaces 326 is explained with reference to Figs. 17 and 18 .
  • Figs. 17-18 illustrate a method of using the embodiment of Figs. 15 and 16 .
  • the tubular handling tool 100 has gripped three target tubular structures 200-1 with its fingers as illustrated, but it may also be a different number of tubular structures 200.
  • the first two layers 201, 202 of the storage system 300 have been filled with tubular structures 200 and the target tubular structures 200-1 are to be placed in the third layer 203.
  • the main idea of this embodiment is that all tubulars 200 are moved in and out from their respective layers 201, 202, 203 in a horizontal movement.
  • Fig. 17 illustrates that the gripper joke moves horizontally in the direction of the horizontal arrow.
  • the target tubular structures 200-1 will hit the tilted surface 326 of the fourth spacer bar 320-4 right above the third row 203. This is also illustrated in Fig. 18 .
  • the fourth spacer bar 320-4 will move a bit up (in accordance with the small vertical arrows) creating more space for the tubular handling tool 100 to move the target tubular structures deeper in to the storage system 300.
  • the tubulars are placed in the respective rows from the left to the right as shown in the figure, and they are taken out of the respective rows from the right to the left.
  • tubular structures 200 have the same diameter.
  • One of the great advantages of the invention is that this is no longer essential. It is possible to place tubular structures having different diameters on the same storage system 300.
  • two mechanical supports while this may be any other number in practise.

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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)
  • Warehouses Or Storage Devices (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
EP16175698.6A 2016-06-22 2016-06-22 Speichersystem für schlauchförmige strukturen Withdrawn EP3260651A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP16175698.6A EP3260651A1 (de) 2016-06-22 2016-06-22 Speichersystem für schlauchförmige strukturen
PCT/NO2017/050164 WO2017222391A1 (en) 2016-06-22 2017-06-21 Storage system for tubular structures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16175698.6A EP3260651A1 (de) 2016-06-22 2016-06-22 Speichersystem für schlauchförmige strukturen

Publications (1)

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EP3260651A1 true EP3260651A1 (de) 2017-12-27

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EP16175698.6A Withdrawn EP3260651A1 (de) 2016-06-22 2016-06-22 Speichersystem für schlauchförmige strukturen

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EP (1) EP3260651A1 (de)
WO (1) WO2017222391A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019009799A1 (en) * 2017-07-07 2019-01-10 Absolicon Solar Colllector Ab LOGISTIC ARRANGEMENT AND METHOD FOR UNLOADING OBJECTS FROM A LOGISTICAL SUPPORT COMPRISING A PLURALITY OF LOGISTIC ARRANGEMENTS
CN111140185A (zh) * 2020-01-07 2020-05-12 晁志兵 一种管杆自动输送式油田钻井装置工作方法
CN112127814A (zh) * 2020-08-11 2020-12-25 四川宏华石油设备有限公司 一种地面管柱吊装和移运装置
WO2022077070A1 (en) * 2020-10-14 2022-04-21 Wallis Engineers Pty Ltd Movable drill rod spacer assembly

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CN108756783A (zh) * 2018-07-26 2018-11-06 西安石油大学 一种地面钻杆库设备
CN115025905B (zh) * 2022-05-30 2023-06-23 杭州泛亚卫浴股份有限公司 一种管类装载结构
CN118083597A (zh) * 2024-03-20 2024-05-28 东营市凯睿自动化有限公司 一种自动钢管多层摆排装置及方式

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US20160130892A1 (en) * 2014-11-07 2016-05-12 Terra Sonic International, LLC Apparatus and method for a pipe handling system

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US3120837A (en) 1953-05-06 1964-02-11 Mentmore Mfg Co Ltd Writing instruments having a retractable writing point
US3365085A (en) * 1965-10-04 1968-01-23 Wilson Mfg Co Pipe hauling and dispensing apparatus
US3612286A (en) * 1969-10-22 1971-10-12 Byron Jackson Inc Horizontal pipe rack
US3616941A (en) * 1969-10-22 1971-11-02 Byron Jackson Inc Dual horizontal rack
GB2068215A (en) * 1980-02-01 1981-08-12 Inst Manipulacnich Dopravnich Improvements in shelf units
EP1246998B1 (de) * 2000-01-13 2006-04-19 Maritime Hydraulics AS Handhabungsvorrichtung für ein horizontales gestänge
US20070119800A1 (en) * 2003-03-13 2007-05-31 Cornish Jason P Stacking system
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US20070092358A1 (en) * 2005-10-07 2007-04-26 Marl Technologies Inc. Apparatus and method for handling pipe sections
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US20160130892A1 (en) * 2014-11-07 2016-05-12 Terra Sonic International, LLC Apparatus and method for a pipe handling system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019009799A1 (en) * 2017-07-07 2019-01-10 Absolicon Solar Colllector Ab LOGISTIC ARRANGEMENT AND METHOD FOR UNLOADING OBJECTS FROM A LOGISTICAL SUPPORT COMPRISING A PLURALITY OF LOGISTIC ARRANGEMENTS
US10807793B2 (en) 2017-07-07 2020-10-20 Absolicon Solar Collector Ab Logistics arrangement and method for unloading objects from a logistics stand comprising a plurality of logistics arrangements
CN111140185A (zh) * 2020-01-07 2020-05-12 晁志兵 一种管杆自动输送式油田钻井装置工作方法
CN112127814A (zh) * 2020-08-11 2020-12-25 四川宏华石油设备有限公司 一种地面管柱吊装和移运装置
CN112127814B (zh) * 2020-08-11 2022-05-03 四川宏华石油设备有限公司 一种地面管柱吊装和移运装置
WO2022077070A1 (en) * 2020-10-14 2022-04-21 Wallis Engineers Pty Ltd Movable drill rod spacer assembly
US12234693B2 (en) 2020-10-14 2025-02-25 Wallis Engineers Pty Ltd Movable drill rod spacer assembly

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