EP3049607B1 - Handling device for drill pipes of a deep hole drilling device - Google Patents

Handling device for drill pipes of a deep hole drilling device Download PDF

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Publication number
EP3049607B1
EP3049607B1 EP14789785.4A EP14789785A EP3049607B1 EP 3049607 B1 EP3049607 B1 EP 3049607B1 EP 14789785 A EP14789785 A EP 14789785A EP 3049607 B1 EP3049607 B1 EP 3049607B1
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EP
European Patent Office
Prior art keywords
handling device
pipe
drill
handling
pipe rack
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EP14789785.4A
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German (de)
French (fr)
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EP3049607A1 (en
Inventor
Jürgen Binder
Frederic Seng
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Herrenknecht Vertical GmbH
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Herrenknecht Vertical GmbH
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Publication of EP3049607A1 publication Critical patent/EP3049607A1/en
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    • 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
    • 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
    • E21B19/155—Handling between horizontal and vertical position

Definitions

  • the invention relates to a handling device for drill pipes of a drilling device for creating a deep borehole, with at least one pipe store, which is arranged vertically on a working plane of the drilling device and has an open section through which the drill pipes can be introduced into the pipe store or removed from the pipe store, wherein the pipe store is provided with a guide element, by means of which a handling space limited by the guide element on one side and the pipe store on the other side is created in the area of the open section, so that the handling device has at least one gripping element for gripping the drill pipe, the gripping element being horizontal can be moved, and wherein the drill pipe can be moved via the gripping element in the area of the handling space and can be moved from the handling space to a well center (104) of the drilling device or in the opposite direction, the handling device having a lower section and a r having spatially separated upper portion, and wherein the gripping element is arranged on the lower portion.
  • a drilling tool When creating deep boreholes, for example for the production of crude oil and natural gas or for generating energy from geothermal energy, a drilling tool is used that is driven by a drill string consisting of drill rods and drill string parts such as drill collars, drill motors or the like. As the drilling progresses as such, after a certain drilling progress has been made, further drill rods must be added to the drill string. These boring bars are fed from the outside. In addition to the drilling rig, a pipe store is provided for this on the drilling site.
  • the entire drill string must be removed from the borehole and, after a new drilling tool has been provided, reinstalled.
  • the drill rods of the drill rod for example in large systems, are removed and installed two or three pieces at a time, and placed upright in the tower of the drilling system.
  • so-called finger platforms are provided in the mast, on which a worker stands and who takes the pipe with a noose from the elevator of the top drive and places and secures it in the space between the fingers or removes the pipes. This work is difficult and involves a not inconsiderable risk of injury.
  • WO 2006/075914 A1 discloses a handling system for drill pipes of a drilling device. Via a first device of the system, the pipes are moved by means of a rack and pinion drive within a handling space of a pipe store in that the pipe rests on a lower movement element. A gripping element is provided above, which grips around the pipe. At one end point of the handling room, the first device transfers the pipe to a second device which transports the pipe from the handling room to the well center.
  • EP 1953334 A2 discloses a handling device for drill pipes for transport from a well center into a pipe store (and vice versa) with a single three-dimensionally movable gripper.
  • US 2009053015 A1 discloses a handling system for drill pipes of a drilling device. Via a first device of the system, the pipes are moved within the handling space of the pipe store to a transfer store by means of a lifting element and a gripping element connected to it, which grips around the drill pipe at the top of the thread.
  • a second device equipped with two grippers grabs the pipe and moves it to the Wellcenter.
  • US 4397505 A discloses a handling device for drill pipes for transporting from a well center into a pipe store (and vice versa) with a lower gripper which is arranged on the other side of the shaft center and a second gripper arranged at the top in the pipe store. Both can be moved in three dimensions. A rotation is necessary to move the tubes between the bearing and the well center.
  • US 4765401 A discloses a handling device for drill pipes for transporting from a well center into a pipe store (and vice versa) with a lower gripper which is arranged on the other side of the shaft center and a second gripper arranged at the top in the pipe store. Both can be moved in three dimensions. A rotation is necessary to move the tubes between the bearing and the well center.
  • the object of the invention is therefore to provide a pipe store with which a drilling system with drill pipes and the like can be automated and supplied in a simple manner, safely and quickly, with little maintenance effort.
  • the handling device has a holding element arranged on the upper section, which surrounds the drill pipe holding the drill pipe in the horizontal direction, that the holding element is designed and that it allows vertical movement of the drill pipe in the holding state.
  • the guide element acts as a safety device so that the drill pipes cannot fall out of the pipe store in an uncontrolled manner. Furthermore, this enables a defined horizontal movement and at the same time enables safe vertical movement.
  • Another teaching of the invention provides that two or more pipe bearings are provided which are connected to the guide element. This provides an optimal storage space and a defined handling space.
  • the pipe support has a box-like structure, preferably with two side walls and a rear wall, the pipe support preferably being designed to accommodate at least two drill pipes screwed together.
  • the pipe support has a bottom section on which preferably at least one projection or a recess is provided, the projection or the recess being particularly preferably arranged so that the drill pipe arranged on the projection or in the recess is arranged inclined in the pipe bearing, and / or that a section opposite the bottom section is designed to be open and finger-like projections are provided in this section, between which there is a receiving space for the drill pipes, the projections preferably being provided with recesses for receiving threaded sections of the drill pipes.
  • the pipe support is arranged such that the open side of the pipe support points away from the derrick or is arranged at right angles to it. This enables the drill pipes to be moved optimally without disadvantageous pivoting movements.
  • the sections can be moved synchronously, the synchronous process advantageously taking place mechanically or via a control.
  • Another teaching of the invention provides that the upper section is arranged to be movable on the guide element. This enables a defined movement over the entire length of the drill pipe in a simple manner.
  • a further teaching of the invention provides that the upper section has a base body and a gripping or holding element that can be moved horizontally with respect to the base body.
  • FIGS Figures 1 to 9b A first embodiment of the device according to the invention and the method that can be used therewith is shown in FIGS Figures 1 to 9b shown.
  • Fig. 1 shows a drilling rig 100 with a mast 102 arranged on a work platform 101, in which a so-called top drive 103 is arranged over a so-called well center 104 arranged above the borehole (not shown).
  • the drilling rig 100 stands on a drilling site 105.
  • a catwalk 106 is arranged on the drilling site 105 and in connection with the work platform 101.
  • a vertical pipe support 10 is arranged parallel to the mast 102.
  • the pipe store 10 consists of two boxes 12, shown in FIG Figure 2c that are erect vertically.
  • the boxes 12 have a bottom plate 13 in a vertically erected form on which projections 14 ( Fig. 3a ) are arranged.
  • the boxes have a grid frame 15 which consists of two side sections 16, 17 and a rear section 18.
  • the lattice frame 15 is closed on the underside by the base plate 13.
  • the lattice frame 15 is designed to be open at the top.
  • finger-like projections 20 are provided, which extend from the rear section 18 of the lattice frame to the open side 21 of the lattice frame.
  • the finger-like projections 20 ( Figure 2b , Figure 3b ) are arranged parallel to one another, so that spaces 22 are created within which the tubes 11 can be arranged in a stack.
  • the projections 20 have depressions 23 in which the threaded sections 24 of the tubes 11 can be arranged. In the present embodiment (see also Figure 3b ) the threaded sections 24 are not mounted in the depressions 23.
  • the tubes 11 are stored in a box 12, their lower threaded section 25 rests on a projection 14 of the base plate 13.
  • the projections 14 are arranged on the base plate in such a way that the tubes 11 are inclined towards the mast in the box 12 in the space 22 between the finger-like projections 20.
  • the boxes 12 are arranged on the work platform 101 in such a way that the open side 21 of the boxes 12 faces away from the mast 102.
  • the boxes 12 are arranged on the work platform 101 in such a way that they are spaced apart from one another. This creates a passage 26 between the boxes 12, through which the tubes 11 can be moved towards / away from the well center 104.
  • the boxes 12 pointing away from the mast 102 with their open side 21 are connected to one another via a guide element 27.
  • the guide element 27 has two struts 28, 29 arranged parallel to the open side 21. These are connected to one another at their outer ends via a cross strut 30.
  • the cross strut 30 extends beyond the connecting section between the struts 28, 29, so that a spacer 31 is produced which is connected to the side section 16, 17 which is respectively arranged away from the passage 26.
  • the pipes 11 can be moved when being fed into or removed from the pipe store 10.
  • the guide element 27 functions as a securing element, since this prevents pipes 11 arranged in a box from falling out of it.
  • the boxes 12 are arranged with stops 33 on the side sections 16, 17, which - as in FIG Fig. 2a shown - point to the open side 21.
  • the boxes 12 are connected to a crane via the stops 33 and their base plates 13 are placed on the work platform 101. They are then connected to the guide element 27 on their upper side 19.
  • An arrangement element 34 is provided on the work platform 101 parallel to the guide element 27.
  • This arrangement element 34 is preferably constructed analogously to the guide element 27.
  • a pipe manipulator 40 is provided for removing the pipes 11 from the boxes 12 and feeding the pipes 11 to the well center 104 so that they can be transferred there to the top drive 103.
  • the pipe manipulator 40 has a lower section 41 ( Fig. 2a ) and an upper section 42 ( Figure 2b ) on.
  • the lower section has a gripping element 43 and the upper section has a holding element 44.
  • both sections 41, 42 are designed with gripping elements 43 or the lower section 41 with a holding element 44 and the upper section 42 with a gripping element 43.
  • the lower section 41 has a base 45 which can be moved in the horizontal direction on rails 46 which are arranged on the arrangement element 34. The process takes place via a drive unit (not shown) and can be carried out electrically or hydraulically.
  • a base body 47 is arranged on the base 45 such that it can move horizontally; the displacement movement of the base body 47 in relation to the base 45 takes place essentially at right angles to the rails 46.
  • the base body 47 has a bottom strut 48 on which a vertical strut 49 is arranged, which is stabilized with respect to the bottom strut 48 via a diagonal strut 50.
  • the gripping element 43 is arranged so as to be vertically displaceable on a vertical strut 51 of a gripping section 52.
  • the vertical strut 51 is pivotably connected via two arms 53 to the vertical strut 49 of the base body 47 via rotary bushings 54. The pivoting takes place via a hydraulic cylinder 55, which is arranged between vertical strut 49 and vertical strut 51.
  • the base body 47 can be displaced relative to the base 45 to such an extent that the gripping element 43 can grip a tube 11 arranged in the space 22, which rests on the projection 14 that is closest to the rear section 18 of the box 12 without the vertical strut 51 opposite Vertical strut 49 of the base body 47 must be pivoted. Any further movement of the pipe, for example through the passage 26 towards the shaft center 104, is then carried out by actuating the hydraulic cylinder 55, whereby the vertical strut 51 is pivoted parallelogram-like over the arms 53 and is thus moved accordingly towards the shaft center 104.
  • the upper section 42 has a base body 56 which can be moved on the struts 28, 29 of the guide element 27.
  • the base body 56 is connected to the holding element 44 in such a way that a telescopic feed body 57 is provided within the base body 56.
  • the feed body 57 has a plurality of telescopic sections 58.
  • the holding element 44 has two holding sections 59 which enclose the tube 11 so that it can no longer be moved horizontally with respect to the holding element 44. In the closed state, however, the holding sections form a space 60 within which the tube 11 is vertically movable.
  • the lower section 41 and the upper section 42 move synchronously along the rails 46 and the guide element 27, respectively. This is ensured either by a mechanical connection or by a correspondingly provided control.
  • FIGs 3a to 9b shows the sequence of removing a pipe 11 from a box 12 of a pipe store 10 and feeding the pipe 11 to the well center 104.
  • the pipe manipulator 40 is arranged in front of the box 12 in such a way that it can approach the pipe 11 to be removed by moving the base body 47 on the base 45 of the pipe manipulator 40 and then grip it with the gripping element 43.
  • Fig. 3a the starting position of the lower section 41 of the pipe manipulator 40 is shown.
  • Figure 3b the starting position of the upper section 42 of the pipe manipulator 40 is shown.
  • the middle of the three in Fig. 3a and 3b arranged pipes 11 is to be removed.
  • the base body 47 is displaced or retracted relative to the base and synchronously with it the feed body 57 relative to the base body 56, whereby the tube 11 is removed from the space 22 between the finger-like projections 20 and into the handling space 32 between the open side 21 of the box 12 and the strut 28 of the guide element 27 is moved.
  • the pipe manipulator 40 or its lower section 41 and upper section 42 is displaced horizontally along the rails 46 or struts 28, 29 to the passage 26 between the boxes 12.
  • the tube 11 is then moved in the direction of the corrugated center 104 through the passage 26 by first moving the base body 47 relative to the base 45 ( Fig.
  • the vertical strut 51 is moved towards the shaft center 104 in a parallelogram-like manner by actuating the hydraulic cylinder 55 under the guidance of the arms 53.
  • the gripping element 43 can be displaced accordingly with respect to the vertical strut 51.
  • the displacement of the holding element 44 of the upper section 42 is shown in FIG Figure 9b shown.
  • the telescopic sections 58 of the feed body 57 are in turn extended with respect to the base body 56. The movement takes place synchronously with the movement of the gripping element 43.
  • the pipe can then be transferred to a further pipe manipulator, which feeds the pipe to be screwed to the drill string and to the top drive 103 or its elevator (not shown).
  • the tube 11 can also be fed directly to the elevator of the top drive 103 by appropriately arranging the tube in the well center 104. If the pipe 11 is either transferred to a further pipe manipulator or the elevator of the top drive 103, the gripping element 43 and the holding element 44 can be opened and the pipe released accordingly.
  • FIGS. 10 to 15 A second embodiment of the device according to the invention is shown in FIGS. 10 to 15 shown.
  • Fig. 10 shows a drilling rig 100 with a mast 102 arranged on a work platform 101.
  • a vertical pipe support 10 is arranged parallel to the mast 102.
  • pipes 11, here in the form of so-called triples can each have three pipes 11 screwed together, to be ordered. Doubles are also possible.
  • the pipe store 10 consists of a finger platform 110 (see Figs. 13 to 15 ) which has two opposite finger platform sections 111.
  • the finger platform sections 111 have projections 20, between which spaces 22 extend, in which the pipes 11 are placed.
  • the projections 20 of the two finger platform sections 111 have their open sides 112 facing one another.
  • the finger platform sections 111 are connected to a guide element 27.
  • the open sides 112 are arranged at right angles to the guide element 27.
  • the area between the open sides 112 and the guide element 27 is the handling space 32.
  • the tubes 11 are mounted in one of the finger platform sections 111, their lower threaded section 25 stands on a projection (not shown) or in a recess which is arranged in or on the work platform 101.
  • the projections are arranged on the base plate in such a way that the tubes 11 are inclined towards the mast in the finger platform sections 111 in the space 22 between the finger-like projections 20.
  • the finger platform sections 111 are arranged parallel to the work platform 101 in such a way that the open sides 112 of the finger platform sections 111 point at right angles to the mast 102.
  • the finger platform sections 111 are arranged above the work platform 101 in such a way that they are at a distance from one another. This creates a passage 26 between the finger platform sections 111 through which the tubes 11 can be moved towards / or away from the well center.
  • the pipes 11 can be moved when they are fed to / from the pipe store 10.
  • the guide element 27 functions as a securing element, since this prevents pipes 11 arranged in a box from falling out of it.
  • An arrangement element 34 is provided on the work platform 101 parallel to the guide element 27.
  • a pipe manipulator 40 is provided for removing the pipes 11 from the finger platform sections 111 and feeding the pipes 11 to the well center so that they can be transferred there to the top drive.
  • the pipe manipulator 40 has a lower section 41 ( Fig. 12 ) and an upper section 42 ( Fig. 12 , 15th ) on.
  • the lower section has a gripping element 43 and the upper section has a holding element 44.
  • both sections 41, 42 are designed with gripping elements 43 or the lower section 41 with a holding element 44 and the upper section 42 with a gripping element 43.
  • the basic structure of the pipe manipulator 40 with its lower section 41 and its upper section 42 corresponds essentially to that set out above in the first exemplary embodiment.
  • the gripping or holding element 43, 44 can be moved horizontally in the direction of arrow A through the passage 26 or in the handling space 32 and also under the space 22, which is the storage space for the tubes 11.
  • the lower section 41 and the upper section 42 can be moved along the direction of arrow B along the guide element 27 or the arrangement element 34.
  • the gripping or holding element 43, 44 can be positioned in the passage 26 or in the handling space 32 and also under the space 22, which is the storage space of the tubes 11, by a purely horizontal one Move.
  • a pivoting of the gripping or holding element 43, 44 is not provided, whereby a complex pivot drive can be omitted.
  • the tubes must be removed from the individual tube rows one after the other, since the gripping or holding elements 43, 44 do not engage in the respective space 22 from the open side 112 but at right angles to the open side 112 or at right angles to the projections 20 , and it is therefore necessary to first empty the spaces 22 which are closest to the guide element 27 and contain pipes 11.
  • the procedure must be reversed accordingly.

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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)
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Description

Die Erfindung betrifft eine Handhabungsvorrichtung für Bohrrohre einer Bohrvorrichtung zum Erstellen einer Tiefbohrung, mit wenigstens einem Rohrlager, das vertikal auf einer Arbeitsebene der Bohrvorrichtung angeordnet ist und einen offenen Abschnitt aufweist, durch den die Bohrrohre in das Rohrlager einbringbar oder aus dem Rohrlager entnehmbar sind, wobei das Rohrlager mit einem Führungselement versehen ist, durch das ein von dem Führungselement auf der einen Seite und dem Rohrlager auf der anderen Seite begrenzten Handhabungsraum im Bereich des offenen Abschnitts entsteht, dass die Handhabungsvorrichtung wenigstens ein Greifelement zum Greifen des Bohrrohrs aufweist, wobei das Greifelement horizontal verfahrbar ist, und wobei das Bohrrohr über das Greifelement im Bereich des Handhabungsraums verfahrbar ist und von dem Handhabungsraum zu einem Wellcenter (104) der Bohrvorrichtung oder entgegengesetzt verfahrbar ist, wobei die Handhabungsvorrichtung einen unteren Abschnitt und einen räumlich getrennt angeordneten oberen Abschnitt aufweist, und wobei das Greifelement am unteren Abschnitt angeordnet ist.The invention relates to a handling device for drill pipes of a drilling device for creating a deep borehole, with at least one pipe store, which is arranged vertically on a working plane of the drilling device and has an open section through which the drill pipes can be introduced into the pipe store or removed from the pipe store, wherein the pipe store is provided with a guide element, by means of which a handling space limited by the guide element on one side and the pipe store on the other side is created in the area of the open section, so that the handling device has at least one gripping element for gripping the drill pipe, the gripping element being horizontal can be moved, and wherein the drill pipe can be moved via the gripping element in the area of the handling space and can be moved from the handling space to a well center (104) of the drilling device or in the opposite direction, the handling device having a lower section and a r having spatially separated upper portion, and wherein the gripping element is arranged on the lower portion.

Beim Erstellen von Tiefbohrungen, beispielsweise für die Förderung von Erdöl und Erdgas oder für die Energiegewinnung aus geothermischer Energie wird ein Bohrwerkzeug verwendet, das über einen aus Bohrgestänge und Bohrstrangteilen wie Schwerstangen, Bohrmotore oder dergleichen bestehenden Bohrstrang angetrieben wird. Während des Bohrfortschritts als solchem müssen, nachdem ein gewisser Bohrfortschritt erzielt wurde, weitere Bohrstangen dem Bohrstrang hinzugefügt werden. Diese Bohrstangen werden von außen zugeführt. Dafür ist neben der Bohranlage auf dem Bohrplatz ein Rohrlager vorgesehen.When creating deep boreholes, for example for the production of crude oil and natural gas or for generating energy from geothermal energy, a drilling tool is used that is driven by a drill string consisting of drill rods and drill string parts such as drill collars, drill motors or the like. As the drilling progresses as such, after a certain drilling progress has been made, further drill rods must be added to the drill string. These boring bars are fed from the outside. In addition to the drilling rig, a pipe store is provided for this on the drilling site.

Weiterhin ist es während des Erstellens der Tiefbohrung notwendig, das Bohrwerkzeug zu wechseln, entweder weil es verschlissen ist, oder sich die geologischen Gegebenheiten geändert haben, und deswegen eine andere Art von Werkzeug notwendig wird. Zum Wechseln des Bohrwerkzeugs muss der gesamte Bohrstrang aus dem Bohrloch ausgebaut werden, und nachdem ein neues Bohrwerkzeug vorgesehen wurde, wieder eingebaut werden. Hierfür werden die Bohrstangen des Bohrgestänges, beispielsweise bei großen Anlagen, jeweils zu zwei oder drei Stück auf einmal aus- und eingebaut, und in den Turm der Bohranlage aufrecht abgestellt. Dafür sind im Mast sogenannten Fingerbühnen vorgesehen, auf denen ein Arbeiter steht, und der das Rohr mit einer Schlinge aus dem Elevator des Topdrives übernimmt und in dem Raum zwischen den Fingern abstellt und sichert bzw. die Rohre herausnimmt. Diese Arbeit ist schwer und weist ein nicht unerhebliches Verletzungsrisiko auf.Furthermore, while drilling the deep borehole, it is necessary to change the drilling tool, either because it is worn out or the geological conditions have changed, and therefore a different type of tools becomes necessary. To change the drilling tool, the entire drill string must be removed from the borehole and, after a new drilling tool has been provided, reinstalled. For this purpose, the drill rods of the drill rod, for example in large systems, are removed and installed two or three pieces at a time, and placed upright in the tower of the drilling system. For this purpose, so-called finger platforms are provided in the mast, on which a worker stands and who takes the pipe with a noose from the elevator of the top drive and places and secures it in the space between the fingers or removes the pipes. This work is difficult and involves a not inconsiderable risk of injury.

WO 2006/075914 A1 offenbart ein Handhabungssystem für Bohrrohre einer Bohrvorrichtung. Über eine erste Vorrichtung des Systems werden die Rohre mittels eines Zahnstangenantriebes innerhalb eines Handhabungsraums eines Rohrlagers bewegt, indem das Rohr auf einem unteren Bewegungselement aufsteht. Oben ist ein Greifelement vorgesehen, das
das Rohr umgreift. An einem Endpunkt des Handhabungsraums übergibt die erste Vorrichtung das Rohr an eine zweite Vorrichtung, die das Rohr vom Handhabungsraum zum Wellcenter transportiert. WO 2006/075914 A1 discloses a handling system for drill pipes of a drilling device. Via a first device of the system, the pipes are moved by means of a rack and pinion drive within a handling space of a pipe store in that the pipe rests on a lower movement element. A gripping element is provided above, which
grips around the pipe. At one end point of the handling room, the first device transfers the pipe to a second device which transports the pipe from the handling room to the well center.

EP 1953334 A2 offenbart eine Handhabungsvorrichtung für Bohrrohre zum Transport von einem Wellcenter in ein Rohrlager (und umgekehrt) mit einem einzigen dreidimensional beweglichen Greifer. EP 1953334 A2 discloses a handling device for drill pipes for transport from a well center into a pipe store (and vice versa) with a single three-dimensionally movable gripper.

US 2009053015 A1 offenbart ein Handhabungssystem für Bohrrohre einer Bohrvorrichtung. Über eine erste Vorrichtung des Systems werden die Rohre mittels eines Hubelements und eines daran angeschlossenen Greifelements, das das Bohrrohr oben am Gewinde umgreift, innerhalb des Handhabungsraums des Rohrlagers zu einem Übergabespeicher bewegt. Hier greift eine zweite mit zwei Greifern ausgestattete Vorrichtung das Rohr und bewegt es zum Wellcenter. US 2009053015 A1 discloses a handling system for drill pipes of a drilling device. Via a first device of the system, the pipes are moved within the handling space of the pipe store to a transfer store by means of a lifting element and a gripping element connected to it, which grips around the drill pipe at the top of the thread. Here a second device equipped with two grippers grabs the pipe and moves it to the Wellcenter.

US 4397505 A offenbart eine Handhabungsvorrichtung für Bohrrohre zum Transport von einem Wellcenter in ein Rohrlager (und umgekehrt) mit einem unteren Greifer, der jenseits des Wellcenters angeordnet ist und einem im Rohrlager oben angeordneten zweiten Greifer. Beide sind dreidimensional bewegbar. Eine Rotation ist notwendig, um die Rohre zwischen Lager und Wellcenter zu bewegen. US 4397505 A discloses a handling device for drill pipes for transporting from a well center into a pipe store (and vice versa) with a lower gripper which is arranged on the other side of the shaft center and a second gripper arranged at the top in the pipe store. Both can be moved in three dimensions. A rotation is necessary to move the tubes between the bearing and the well center.

US 4765401 A offenbart eine Handhabungsvorrichtung für Bohrrohre zum Transport von einem Wellcenter in ein Rohrlager (und umgekehrt) mit einem unteren Greifer, der jenseits des Wellcenters angeordnet ist und einem im Rohrlager oben angeordneten zweiten Greifer. Beide sind dreidimensional bewegbar. Eine Rotation ist notwendig, um die Rohre zwischen Lager und Wellcenter zu bewegen. US 4765401 A discloses a handling device for drill pipes for transporting from a well center into a pipe store (and vice versa) with a lower gripper which is arranged on the other side of the shaft center and a second gripper arranged at the top in the pipe store. Both can be moved in three dimensions. A rotation is necessary to move the tubes between the bearing and the well center.

Aufgabe der Erfindung ist es daher, ein Rohrlager bereitzustellen, mit dem eine Bohranlage mit Bohrrohren und dergleichen automatisiert und auf einfache Weise sicher und schnell mit geringem Wartungsaufwand versorgt werden kann.The object of the invention is therefore to provide a pipe store with which a drilling system with drill pipes and the like can be automated and supplied in a simple manner, safely and quickly, with little maintenance effort.

Gelöst wird die Aufgabe erfindungsgemäß dadurch, dass die Handhabungsvorrichtung ein am oberen Abschnitt angeordnetes Halteelement aufweist, das das Bohrrohr in horizontaler Richtung haltend umschließt, dass das Halteelement so ausgeführt ist, und dass es im haltenden Zustand eine vertikale Bewegung des Bohrrohres zulässt.The object is achieved according to the invention in that the handling device has a holding element arranged on the upper section, which surrounds the drill pipe holding the drill pipe in the horizontal direction, that the holding element is designed and that it allows vertical movement of the drill pipe in the holding state.

Vorteilhaft ist dabei, dass eine automatisierte Zu- und Abfuhr der Bohrrohre ermöglicht wird. Weiterhin fungiert das Führungselement als Sicherung, sodass die Bohrrohre nicht aus dem Rohrlager unkontrolliert herausfallen können. Weiterhin ermöglicht dieses eine definierte Horizontalbewegung und ermöglicht gleichzeitig ein sicheres vertikales Bewegen.It is advantageous that an automated supply and removal of the drill pipes is made possible. Furthermore, the guide element acts as a safety device so that the drill pipes cannot fall out of the pipe store in an uncontrolled manner. Furthermore, this enables a defined horizontal movement and at the same time enables safe vertical movement.

Eine weitere Lehre der Erfindung sieht vor, dass zwei oder mehr Rohrlager vorgesehen sind, die mit dem Führungselement verbunden sind. Hierdurch wird optimaler Abstellraum und ein definierter Handhabungsraum bereitgestellt.Another teaching of the invention provides that two or more pipe bearings are provided which are connected to the guide element. This provides an optimal storage space and a defined handling space.

Eine weitere Lehre der Erfindung sieht vor, dass das Rohrlager einen boxartigen Aufbau aufweist, bevorzugt mit zwei Seitenwänden und einer Rückwand, wobei das Rohrlager bevorzugt zur Aufnahme von wenigstens zwei miteinander verschraubten Bohrrohren ausgelegt ist.Another teaching of the invention provides that the pipe support has a box-like structure, preferably with two side walls and a rear wall, the pipe support preferably being designed to accommodate at least two drill pipes screwed together.

Eine weitere Lehre der Erfindung sieht vor, dass das Rohrlager einen Bodenabschnitt aufweist, auf dem bevorzugt wenigstens ein Vorsprung oder eine Vertiefung vorgesehen ist, wobei der Vorsprung oder die Vertiefung besonders bevorzugt so angeordnet sind, dass das auf dem Vorsprung oder in der Vertiefung angeordnete Bohrrohr geneigt im Rohrlager angeordnet ist, und/oder dass ein dem Bodenabschnitt gegenüberliegender Abschnitt offen ausgeführt ist und in diesem Abschnitt fingerartige Vorsprünge vorgesehen sind, zwischen denen ein Aufnahmeraum für die Bohrrohre besteht, wobei die Vorsprünge bevorzugt mit Vertiefungen zur Aufnahme von Gewindeabschnitten der Bohrrohre versehen sind.Another teaching of the invention provides that the pipe support has a bottom section on which preferably at least one projection or a recess is provided, the projection or the recess being particularly preferably arranged so that the drill pipe arranged on the projection or in the recess is arranged inclined in the pipe bearing, and / or that a section opposite the bottom section is designed to be open and finger-like projections are provided in this section, between which there is a receiving space for the drill pipes, the projections preferably being provided with recesses for receiving threaded sections of the drill pipes.

Eine weitere Lehre der Erfindung sieht vor, dass das Rohrlager so angeordnet ist, dass die offene Seite des Rohrlagers vom Bohrturm weg zeigt oder rechtwinklig dazu angeordnet ist. Hierdurch wird ein optimales Bewegen der Bohrrohre ohne nachteilige Schwenkbewegungen ermöglicht.Another teaching of the invention provides that the pipe support is arranged such that the open side of the pipe support points away from the derrick or is arranged at right angles to it. This enables the drill pipes to be moved optimally without disadvantageous pivoting movements.

Weiterhin ist vorteilhaft, dass die Abschnitte synchron verfahrbar sind, wobei das synchrone Verfahren vorteilhafter Weise mechanisch oder über eine Steuerung erfolgt, Eine weitere Lehre der Erfindung sieht vor, dass der obere Abschnitt auf dem Führungselement verfahrbar angeordnet ist. Dieses ermöglicht auf einfache Weise ein definiertes Bewegen über die gesamte Länge des Bohrrohres hinweg.It is also advantageous that the sections can be moved synchronously, the synchronous process advantageously taking place mechanically or via a control. Another teaching of the invention provides that the upper section is arranged to be movable on the guide element. This enables a defined movement over the entire length of the drill pipe in a simple manner.

Eine weitere Lehre der Erfindung sieht vor, dass der obere Abschnitt einen Grundkörper und ein Greif- oder Halteelement aufweist, das horizontal gegenüber dem Grundkörper verfahrbar ist.A further teaching of the invention provides that the upper section has a base body and a gripping or holding element that can be moved horizontally with respect to the base body.

Nachfolgend wird die Erfindung anhand zweier Ausführungsbeispiele im Zusammenhang mit einer Zeichnung näher beschrieben. Dabei zeigen:

Fig. 1
eine räumliche Darstellung einer Bohranlage mit erfindungsgemäßer Vorrichtung eines ersten Ausführungsbeispiels,
Fig. 2a
eine räumliche Ausschnittsansicht zu Fig. 1,
Fig. 2b
eine weitere räumliche Ausschnittsansicht zu Fig. 1,
Fig. 2c
eine dritte räumliche Ausschnittsansicht zu Fig. 1,
Fig. 3a - Fig.9b
den Ablauf der einzelnen Verfahrensschritte des erfindungsgemäßen Verfahrens mit der erfindungsgemäßen Vorrichtung des ersten Ausführungsbeispiels,
Fig. 10
eine räumliche Darstellung einer Bohranlage mit erfindungsgemäßer Vorrichtung eines ersten Ausführungsbeispiels,
Fig. 11
eine Frontalansicht zu Fig. 10,
Fig. 12
eine Seitenansicht zu Fig. 11,
Fig. 13
eine Teilansicht zu Fig. 10 in Draufsicht,
Fig. 14
eine erste Seitenansicht zu Fig. 13, und
Fig. 15
eine zweite Seitenansicht zu Fig. 13.
The invention is described in more detail below using two exemplary embodiments in conjunction with a drawing. Show:
Fig. 1
a spatial representation of a drilling rig with an inventive device of a first embodiment,
Fig. 2a
a spatial detail view Fig. 1 ,
Figure 2b
another spatial detail view Fig. 1 ,
Figure 2c
a third spatial detail view Fig. 1 ,
Figures 3a-9b
the sequence of the individual method steps of the method according to the invention with the device according to the invention of the first embodiment,
Fig. 10
a spatial representation of a drilling rig with an inventive device of a first embodiment,
Fig. 11
a frontal view too Fig. 10 ,
Fig. 12
a side view too Fig. 11 ,
Fig. 13
a partial view too Fig. 10 in plan view,
Fig. 14
a first side view too Fig. 13 , and
Fig. 15
a second side view too Fig. 13 .

Eine erste Ausführungsform der erfindungsgemäßen Vorrichtung und des damit verwendbaren Verfahrens ist in den Fig. 1 bis Fig. 9b dargestellt.A first embodiment of the device according to the invention and the method that can be used therewith is shown in FIGS Figures 1 to 9b shown.

Fig. 1 zeigt eine Bohranlage 100 mit einem auf einer Arbeitsplattform 101 angeordneten Mast 102, in dem ein sogenannter top drive 103 über einem über dem Bohrloch (nicht dargestellt) angeordneten sogenannten Wellcenter 104 angeordnet ist. Die Bohranlage 100 steht auf einem Bohrplatz 105. Auf dem Bohrplatz 105 angeordnet und in Verbindung mit der Arbeitsplattform 101 ist ein Catwalk 106. Auf dem Bohrplatz 105 neben dem Catwalk 106 ist des weiteren ein horizontales Rohrlager (nicht dargestellt) für das Zuführen von einzelnen Rohren, Casings, Schwerstangen oder anderen Bestandteilen des Bohrstrangs (nicht dargestellt) vorgesehen. Fig. 1 shows a drilling rig 100 with a mast 102 arranged on a work platform 101, in which a so-called top drive 103 is arranged over a so-called well center 104 arranged above the borehole (not shown). The drilling rig 100 stands on a drilling site 105. A catwalk 106 is arranged on the drilling site 105 and in connection with the work platform 101. On the drilling site 105 next to the catwalk 106 there is also a horizontal pipe store (not shown) for feeding individual pipes , Casings, drill collars or other components of the drill string (not shown) are provided.

Parallel zum Mast 102 ist ein vertikales Rohrlager 10 angeordnet. In dem Rohrlager 10 sind Rohre 11, hier in Form von sogenannten Triples, jeweils drei miteinander verschraubten Rohren 11, angeordnet. Doubles sind ebenfalls möglich. Das Rohrlager 10 besteht aus zwei Boxen 12, dargestellt in Fig. 2c, die vertikal aufgerichtet sind. Die Boxen 12 weisen in vertikal aufgerichteter Form eine Bodenplatte 13 auf, auf der Vorsprünge 14 (Fig. 3a) angeordnet sind. Die Boxen weisen einen Gitterrahmen 15 auf, der aus zwei Seitenabschnitten 16, 17 und einem rückseitigen Abschnitt 18 besteht. Auf der Unterseite ist der Gitterrahmen 15 durch die Bodenplatte 13 verschlossen. An der Oberseite ist der Gitterrahmen 15 offen ausgeführt. Im Bereich der offenen Oberseite 19 sind fingerartige Vorsprünge 20 vorgesehen, die sich vom rückseitigen Abschnitt 18 des Gitterrahmens zur offenen Seite 21 des Gitterrahmens hinstrecken. Die fingerartigen Vorsprünge 20 (Fig. 2b, Fig. 3b) sind dabei parallel zueinander angeordnet, so dass Räume 22 entstehen, innerhalb derer die Rohre 11 stapelartig anordbar sind. Die Vorsprünge 20 weisen gemäß einer besonderen Ausführung Vertiefungen 23 auf, in denen die Gewindeabschnitte 24 der Rohre 11 anordbar sind. In der vorliegenden Ausführungsform (siehe auch Fig. 3b) sind die Gewindeabschnitte 24 nicht in den Vertiefungen 23 gelagert.A vertical pipe support 10 is arranged parallel to the mast 102. In the tube store 10, tubes 11, here in the form of so-called triples, three tubes 11 screwed together, are arranged. Doubles are also possible. The pipe store 10 consists of two boxes 12, shown in FIG Figure 2c that are erect vertically. The boxes 12 have a bottom plate 13 in a vertically erected form on which projections 14 ( Fig. 3a ) are arranged. The boxes have a grid frame 15 which consists of two side sections 16, 17 and a rear section 18. The lattice frame 15 is closed on the underside by the base plate 13. The lattice frame 15 is designed to be open at the top. In the area of the open top 19 finger-like projections 20 are provided, which extend from the rear section 18 of the lattice frame to the open side 21 of the lattice frame. The finger-like projections 20 ( Figure 2b , Figure 3b ) are arranged parallel to one another, so that spaces 22 are created within which the tubes 11 can be arranged in a stack. According to a particular embodiment, the projections 20 have depressions 23 in which the threaded sections 24 of the tubes 11 can be arranged. In the present embodiment (see also Figure 3b ) the threaded sections 24 are not mounted in the depressions 23.

Sind die Rohre 11 in einer Box 12 gelagert, so stehen sie mit ihrem unteren Gewindeabschnitt 25 auf einem Vorsprung 14 der Bodenplatte 13 auf. Die Vorsprünge 14 sind dabei so auf der Bodenplatte angeordnet, dass die Rohre 11 zum Mast hingeneigt in der Box 12 im Raum 22 zwischen den fingerartigen Vorsprüngen 20 angeordnet sind. Die Boxen 12 sind auf der Arbeitsplattform 101 so angeordnet, dass die offene Seite 21 der Boxen 12 vom Mast 102 wegzeigt.If the tubes 11 are stored in a box 12, their lower threaded section 25 rests on a projection 14 of the base plate 13. The projections 14 are arranged on the base plate in such a way that the tubes 11 are inclined towards the mast in the box 12 in the space 22 between the finger-like projections 20. The boxes 12 are arranged on the work platform 101 in such a way that the open side 21 of the boxes 12 faces away from the mast 102.

Die Boxen 12 sind dabei so auf der Arbeitsplattform 101 angeordnet, dass sie einen Abstand zueinander aufweisen. Hierdurch entsteht ein Durchgang 26 zwischen den Boxen 12, durch den die Rohre 11 zum Wellcenter 104 hin-/ oder wegbewegt werden können. Die mit ihrer offenen Seite 21 vom Mast 102 wegzeigenden Boxen 12 sind über ein Führungselement 27 miteinander verbunden. Das Führungselement 27 weist zwei parallel zur offenen Seite 21 angeordnete Streben 28, 29 auf. Diese sind an ihren äußeren Enden über eine Querstrebe 30 miteinander verbunden. Die Querstrebe 30 erstreckt sich über den Verbindungsabschnitt zwischen den Streben 28, 29 hinaus, so dass ein Abstandshalter 31 entsteht, der mit dem jeweils vom Durchgang 26 weg angeordneten Seitenabschnitt 16, 17 verbunden ist. Dadurch entsteht ein Handhabungsraum 32, zwischen der offenen Oberseite 21 der Box 12 und dem Führungselement 27, beziehungsweise dessen Strebe 28. In diesem Handhabungsraum können die Rohre 11 beim Zu-/ bzw. Abführen zum Rohrlager 10 bewegt werden. Gleichzeitig fungiert das Führungselement 27 als Sicherungselement, da dadurch verhindert wird, dass in einer Box angeordnete Rohre 11 aus dieser herausfallen können.The boxes 12 are arranged on the work platform 101 in such a way that they are spaced apart from one another. This creates a passage 26 between the boxes 12, through which the tubes 11 can be moved towards / away from the well center 104. The boxes 12 pointing away from the mast 102 with their open side 21 are connected to one another via a guide element 27. The guide element 27 has two struts 28, 29 arranged parallel to the open side 21. These are connected to one another at their outer ends via a cross strut 30. The cross strut 30 extends beyond the connecting section between the struts 28, 29, so that a spacer 31 is produced which is connected to the side section 16, 17 which is respectively arranged away from the passage 26. This creates a handling space 32 between the open top 21 of the box 12 and the guide element 27, or its strut 28. In this handling space, the pipes 11 can be moved when being fed into or removed from the pipe store 10. At the same time, the guide element 27 functions as a securing element, since this prevents pipes 11 arranged in a box from falling out of it.

Die Boxen 12 sind mit Anschlägen 33 an den Seitenabschnitten 16, 17 angeordnet, die - wie in Fig. 2a dargestellt - zur offenen Seite 21 hinzeigen. Beim Aufbau der Bohranlage werden die Boxen 12 über die Anschläge 33 mit einem Kran verbunden und auf der Arbeitsplattform 101 mit ihren Bodenplatten 13 abgesetzt. Anschließend werden sie an ihrer Oberseite 19 mit dem Führungselement 27 verbunden.The boxes 12 are arranged with stops 33 on the side sections 16, 17, which - as in FIG Fig. 2a shown - point to the open side 21. When the drilling rig is set up, the boxes 12 are connected to a crane via the stops 33 and their base plates 13 are placed on the work platform 101. They are then connected to the guide element 27 on their upper side 19.

Parallel zum Führungselement 27 ist auf der Arbeitsplattform 101 ein Anordnungselement 34 vorgesehen. Dieses Anordnungselement 34 ist bevorzugt analog dem Führungselement 27 aufgebaut.An arrangement element 34 is provided on the work platform 101 parallel to the guide element 27. This arrangement element 34 is preferably constructed analogously to the guide element 27.

Zum Entnehmen der Rohre 11 aus den Boxen 12 und dem Zuführen der Rohre 11 zum Wellcenter 104, damit diese dort an den Topdrive 103 übergeben werden können, ist ein Rohrmanipulator 40 vorgesehen. Der Rohrmanipulator 40 weist einen unteren Abschnitt 41 (Fig. 2a) und einen oberen Abschnitt 42 (Fig. 2b) auf. Im vorliegenden Ausführungsbeispiel weist der untere Abschnitt ein Greifelement 43 und der obere Abschnitt ein Halteelement 44 auf. Es ist allerdings auch möglich, dass beide Abschnitte 41, 42 mit Greifelementen 43 oder der untere Abschnitt 41 mit einem Halteelement 44 und der obere Abschnitt 42 mit einem Greifelement 43 ausgeführt sind.A pipe manipulator 40 is provided for removing the pipes 11 from the boxes 12 and feeding the pipes 11 to the well center 104 so that they can be transferred there to the top drive 103. The pipe manipulator 40 has a lower section 41 ( Fig. 2a ) and an upper section 42 ( Figure 2b ) on. In the present exemplary embodiment, the lower section has a gripping element 43 and the upper section has a holding element 44. However, it is also possible that both sections 41, 42 are designed with gripping elements 43 or the lower section 41 with a holding element 44 and the upper section 42 with a gripping element 43.

Der untere Abschnitt 41 weist eine Basis 45 auf, die auf Schienen 46, die auf dem Anordnungselement 34 angeordnet sind, in horizontaler Richtung verfahrbar ist. Das Verfahren erfolgt über eine nicht dargestellte Antriebseinheit und kann elektrisch oder hydraulisch erfolgen. Auf der Basis 45 ist ein Grundkörper 47 horizontal verfahrbar angeordnet, die Verfahrbewegung des Grundkörpers 47 im Bezug auf die Basis 45 erfolgt im wesentlichen rechtwinklig zu den Schienen 46.The lower section 41 has a base 45 which can be moved in the horizontal direction on rails 46 which are arranged on the arrangement element 34. The process takes place via a drive unit (not shown) and can be carried out electrically or hydraulically. A base body 47 is arranged on the base 45 such that it can move horizontally; the displacement movement of the base body 47 in relation to the base 45 takes place essentially at right angles to the rails 46.

Der Grundköper 47 weist eine Bodenstrebe 48 auf, auf der eine vertikal Strebe 49 angeordnet ist, die über eine diagonal Strebe 50 gegenüber der Bodenstrebe 48 stabilisiert wird. Das Greifelement 43 ist vertikal verfahrbar an einer vertikalen Strebe 51 eines Greifabschnitts 52 angeordnet. Die vertikale Strebe 51 ist über zwei Arme 53 mit der Vertikalstrebe 49 des Grundkörpers 47 über Drehbuchsen 54 verschwenkbar verbunden. Das Verschwenken erfolgt über einen Hydraulikzylinder 55, der zwischen Vertikalstrebe 49 und Vertikalstrebe 51 angeordnet ist.The base body 47 has a bottom strut 48 on which a vertical strut 49 is arranged, which is stabilized with respect to the bottom strut 48 via a diagonal strut 50. The gripping element 43 is arranged so as to be vertically displaceable on a vertical strut 51 of a gripping section 52. The vertical strut 51 is pivotably connected via two arms 53 to the vertical strut 49 of the base body 47 via rotary bushings 54. The pivoting takes place via a hydraulic cylinder 55, which is arranged between vertical strut 49 and vertical strut 51.

Der Grundkörper 47 kann gegenüber der Basis 45 soweit verschoben werden, dass das Greifelement 43 ein im Raum 22 angeordnetes Rohr 11 greifen kann, das auf dem Vorsprung 14 aufsteht, der dem rückseitigem Abschnitt 18 der Box 12 am nächsten liegt, ohne dass Vertikalstrebe 51 gegenüber Vertikalstrebe 49 des Grundkörpers 47 verschwenkt werden muss. Eine darüberhinausgehende Bewegung des Rohres beispielsweise durch den Durchgang 26 zum Wellcenter 104 hin, erfolgt dann durch Betätigung des Hydraulikzylinders 55, wodurch Vertikalstrebe 51 über die Arme 53 parallelogrammartig verschwenkt wird und so entsprechend zum Wellcenter 104 hin bewegt wird.The base body 47 can be displaced relative to the base 45 to such an extent that the gripping element 43 can grip a tube 11 arranged in the space 22, which rests on the projection 14 that is closest to the rear section 18 of the box 12 without the vertical strut 51 opposite Vertical strut 49 of the base body 47 must be pivoted. Any further movement of the pipe, for example through the passage 26 towards the shaft center 104, is then carried out by actuating the hydraulic cylinder 55, whereby the vertical strut 51 is pivoted parallelogram-like over the arms 53 and is thus moved accordingly towards the shaft center 104.

Der obere Abschnitt 42 weist einen Grundkörper 56 auf, der auf den Streben 28, 29 des Führungselements 27 verfahrbar ist. Der Grundkörper 56 ist mit dem Halteelement 44 so verbunden, dass innerhalb des Grundkörpers 56 ein teleskopartig ausgeführter Vorschubskörper 57 vorgesehen ist. Der Vorschubskörper 57 weist dabei mehrere Teleskopabschnitte 58 auf. Das Halteelement 44 weist zwei Halteabschnitte 59 auf, die das Rohr 11 umschließen, so dass es gegenüber dem Halteelement 44 horizontal nicht mehr bewegbar ist. Die Halteabschnitte bilden im geschlossenen Zustand allerdings einen Raum 60, innerhalb dessen das Rohr 11 vertikal beweglich ist.The upper section 42 has a base body 56 which can be moved on the struts 28, 29 of the guide element 27. The base body 56 is connected to the holding element 44 in such a way that a telescopic feed body 57 is provided within the base body 56. The feed body 57 has a plurality of telescopic sections 58. The holding element 44 has two holding sections 59 which enclose the tube 11 so that it can no longer be moved horizontally with respect to the holding element 44. In the closed state, however, the holding sections form a space 60 within which the tube 11 is vertically movable.

Der untere Abschnitt 41 und der obere Abschnitt 42 bewegen sich entlang der Schienen 46 beziehungsweise des Führungselements 27 synchron. Dieses wird entweder durch eine mechanische Verbindung oder durch eine entsprechend vorgesehene Steuerung gewährleistet.The lower section 41 and the upper section 42 move synchronously along the rails 46 and the guide element 27, respectively. This is ensured either by a mechanical connection or by a correspondingly provided control.

In den Figuren 3a bis 9b wird der Ablauf der Entnahme eines Rohres 11 aus einer Box 12 eines Rohrlagers 10 und das Zuführen des Rohrs 11 zum Wellcenter 104 bezeigt. In Fig. 3a ist der Rohrmanipulator 40 so vor der Box 12 angeordnet, dass er das zu entnehmende Rohr 11 durch Verfahren des Grundkörpers 47 auf der Basis 45 des Rohrmanipulators 40 anfahren und dann mit dem Greifelement 43 greifen kann. In Fig. 3a ist die Startposition des unteren Abschnitts 41 des Rohrmanipulators 40 gezeigt. In Fig. 3b ist die Startposition des oberen Abschnitts 42 des Rohrmanipulators 40 gezeigt. Das mittlere der drei in Fig. 3a und 3b angeordneten Rohre 11 soll dabei entnommen werden. Hierfür wird (Fig. 4a und 4b) der Grundkörper 47 gegenüber der Basis 45 soweit verfahren, dass das Greifelement 43 das Rohr 11 greifen kann. Synchron wird dabei der obere Abschnitt 42 des Rohrmanipulators betätigt und das Halteelement 44 zum Rohr 11 hin verfahren. Hierfür wird der aus den Teleskopabschnitten 58 bestehende Vorschubkörper 57 gegenüber dem Grundkörper 56 verschoben und die Halteabschnitte 59 schließen sich um das Rohr 11. Anschließend wird das Rohr 11 durch Verfahren des Greifelements 43 auf der Vertikalstrebe 51 angehoben, so dass sich der untere Gewindeabschnitt 25 des Rohres 11 von dem Vorsprung 14 der Bodenplatte 13 der Box 12 löst. Anschließend wird, wie in Fig. 6a und 6b dargestellt ist, der Grundkörper 47 gegenüber der Basis und synchron dazu der Vorschubkörper 57 gegenüber dem Grundköper 56 verschoben beziehungsweise eingefahren, wodurch das Rohr 11 aus dem Raum 22 zwischen den fingerartigen Vorsprüngen 20 entnommen wird und in den Handhabungsraum 32 zwischen der offenen Seite 21 der Box 12 und der Strebe 28 des Führungselements 27 bewegt wird. Anschließend wird, wie in Fig. 7a und 7b dargestellt ist, der Rohrmanipulator 40 beziehungsweise dessen unterer Abschnitt 41 und oberer Abschnitt 42 horizontal entlang den Schienen 46 beziehungsweise Streben 28, 29 zum Durchgang 26 zwischen den Boxen 12 verschoben. Anschließend wird das Rohr 11 in Richtung des Wellcenters 104 durch den Durchgang 26 hindurch bewegt, indem zuerst der Grundkörper 47 gegenüber der Basis 45 verschoben wird (Fig. 8) und anschließend die Vertikalstrebe 51 über Betätigung des Hydraulikzylinders 55 unter der Führung der Arme 53 parallelogrammartig zum Wellcenter 104 hin bewegt wird. Um dabei den unteren Gewindeabschnitt 25 gegenüber der Arbeitsplattform 101 in Höhe konstant zu halten, kann das Greifelement 43 gegenüber der Vertikalstrebe 51 entsprechend verschoben werden. Das Verschieben des Halteelements 44 des oberen Abschnitts 42 ist in Fig. 9b dargestellt. Dabei werden wiederum die Teleskopabschnitte 58 des Vorschubkörpers 57 gegenüber dem Grundkörper 56 ausgefahren. Die Bewegung erfolgt synchron mit der Bewegung des Greifelements 43.In the Figures 3a to 9b shows the sequence of removing a pipe 11 from a box 12 of a pipe store 10 and feeding the pipe 11 to the well center 104. In Fig. 3a the pipe manipulator 40 is arranged in front of the box 12 in such a way that it can approach the pipe 11 to be removed by moving the base body 47 on the base 45 of the pipe manipulator 40 and then grip it with the gripping element 43. In Fig. 3a the starting position of the lower section 41 of the pipe manipulator 40 is shown. In Figure 3b the starting position of the upper section 42 of the pipe manipulator 40 is shown. The middle of the three in Fig. 3a and 3b arranged pipes 11 is to be removed. For this purpose ( Figure 4a and 4b ) move the base body 47 relative to the base 45 to such an extent that the gripping element 43 can grip the tube 11. The upper section 42 of the pipe manipulator is actuated synchronously and the holding element 44 is moved towards the pipe 11. For this purpose, the feed body 57 consisting of the telescopic sections 58 is moved relative to the base body 56 and the holding sections 59 close around the tube 11. The tube 11 is then raised by moving the gripping element 43 on the vertical strut 51 so that the lower threaded section 25 of the The tube 11 detaches from the projection 14 of the bottom plate 13 of the box 12. Then, as in Figure 6a and 6b is shown, the base body 47 is displaced or retracted relative to the base and synchronously with it the feed body 57 relative to the base body 56, whereby the tube 11 is removed from the space 22 between the finger-like projections 20 and into the handling space 32 between the open side 21 of the box 12 and the strut 28 of the guide element 27 is moved. Then, as in Figure 7a and 7b is shown, the pipe manipulator 40 or its lower section 41 and upper section 42 is displaced horizontally along the rails 46 or struts 28, 29 to the passage 26 between the boxes 12. The tube 11 is then moved in the direction of the corrugated center 104 through the passage 26 by first moving the base body 47 relative to the base 45 ( Fig. 8 ) and then the vertical strut 51 is moved towards the shaft center 104 in a parallelogram-like manner by actuating the hydraulic cylinder 55 under the guidance of the arms 53. In order to keep the height of the lower threaded section 25 constant with respect to the work platform 101, the gripping element 43 can be displaced accordingly with respect to the vertical strut 51. The displacement of the holding element 44 of the upper section 42 is shown in FIG Figure 9b shown. The telescopic sections 58 of the feed body 57 are in turn extended with respect to the base body 56. The movement takes place synchronously with the movement of the gripping element 43.

Im Bereich des Wellcenters 104 kann dann das Rohr an einen weiteren Rohrmanipulator übergeben werden, der das Rohr dem Verschrauben mit dem Bohrstrang und dem Topdrive 103 beziehungsweise dessen Elevator (nicht dargestellt) zuführt. Alternativ kann über entsprechendes Anordnen des Rohres im Wellcenter 104 das Rohr 11 auch direkt dem Elevator des Topdrives 103 zugeführt werden. Ist das Rohr 11 entweder an einen weiteren Rohrmanipulator oder den Elevator des Topdrives 103 übergeben, können das Greifelement 43 und das Halteelement 44 geöffnet werden und das Rohr entsprechend freigegeben werden.In the area of the corrugated center 104, the pipe can then be transferred to a further pipe manipulator, which feeds the pipe to be screwed to the drill string and to the top drive 103 or its elevator (not shown). Alternatively, the tube 11 can also be fed directly to the elevator of the top drive 103 by appropriately arranging the tube in the well center 104. If the pipe 11 is either transferred to a further pipe manipulator or the elevator of the top drive 103, the gripping element 43 and the holding element 44 can be opened and the pipe released accordingly.

Soll das Rohr 11 am Wellcenter 104 übernommen und dem Rohrlager 10 zugeführt werden, wird das zuvor beschriebene Verfahren in umgekehrter Reihenfolge durchgeführt.If the tube 11 is to be taken over at the well center 104 and fed to the tube store 10, the method described above is carried out in reverse order.

Eine zweite Ausführungsform der erfindungsgemäßen Vorrichtung ist in den Fig. 10 bis Fig. 15 dargestellt.A second embodiment of the device according to the invention is shown in FIGS. 10 to 15 shown.

Fig. 10 zeigt eine Bohranlage 100 mit einem auf einer Arbeitsplattform 101 angeordneten Mast 102. Parallel zum Mast 102 ist ein vertikales Rohrlager 10 angeordnet. In dem Rohrlager 10 können Rohre 11, hier in Form von sogenannten Triples, jeweils drei miteinander verschraubten Rohren 11, angeordnet werden. Doubles sind ebenfalls möglich. Das Rohrlager 10 besteht aus einer Fingerbühne 110 (siehe Fig. 13 bis Fig. 15) die zwei gegenüberliegende Fingerbühnenabschnitte 111 aufweist. Die Fingerbühnenabschnitte 111 weisen Vorsprünge 20 auf, zwischen denen sich Räume 22 erstrecken, in denen die Rohre 11 abgestellt werden. Die Vorsprünge 20 der beiden Fingerbühnenabschnitte 111 sind mit ihren offenen Seiten 112 einander zugewandt. Fig. 10 shows a drilling rig 100 with a mast 102 arranged on a work platform 101. A vertical pipe support 10 is arranged parallel to the mast 102. In the pipe store 10, pipes 11, here in the form of so-called triples, can each have three pipes 11 screwed together, to be ordered. Doubles are also possible. The pipe store 10 consists of a finger platform 110 (see Figs. 13 to 15 ) which has two opposite finger platform sections 111. The finger platform sections 111 have projections 20, between which spaces 22 extend, in which the pipes 11 are placed. The projections 20 of the two finger platform sections 111 have their open sides 112 facing one another.

Die Fingerbühnenabschnitte 111 sind mit einem Führungselement 27 verbunden.The finger platform sections 111 are connected to a guide element 27.

Die offenen Seiten 112 sind rechtwinklig zu dem Führungselement 27 angeordnet.The open sides 112 are arranged at right angles to the guide element 27.

Der Bereich zwischen den offenen Seiten 112 und dem Führungselement 27 ist der Handhabungsraum 32.The area between the open sides 112 and the guide element 27 is the handling space 32.

Sind die Rohre 11 in einem der Fingerbühnenabschnitte 111 gelagert, so stehen sie mit ihrem unteren Gewindeabschnitt 25 auf einem Vorsprung (nicht dargestellt) bzw. in einer Vertiefung, die in bzw. auf der Arbeitsplattform 101 angeordnet ist. Die Vorsprünge sind dabei so auf der Bodenplatte angeordnet, dass die Rohre 11 zum Mast hingeneigt in den Fingerbühnenabschnitten 111 im Raum 22 zwischen den fingerartigen Vorsprüngen 20 angeordnet sind. Die Fingerbühnenabschnitte 111 sind parallel zur Arbeitsplattform 101 so angeordnet, dass die offenen Seiten 112 der Fingerbühnenabschnitte 111 rechtwinklig zum Mast 102 zeigen. Die Fingerbühnenabschnitte 111 sind dabei so über der Arbeitsplattform 101 angeordnet, dass sie einen Abstand zueinander aufweisen. Hierdurch entsteht ein Durchgang 26 zwischen den Fingerbühnenabschnitten 111, durch den die Rohre 11 zum Wellcenter hin-/ oder wegbewegt werden können.If the tubes 11 are mounted in one of the finger platform sections 111, their lower threaded section 25 stands on a projection (not shown) or in a recess which is arranged in or on the work platform 101. The projections are arranged on the base plate in such a way that the tubes 11 are inclined towards the mast in the finger platform sections 111 in the space 22 between the finger-like projections 20. The finger platform sections 111 are arranged parallel to the work platform 101 in such a way that the open sides 112 of the finger platform sections 111 point at right angles to the mast 102. The finger platform sections 111 are arranged above the work platform 101 in such a way that they are at a distance from one another. This creates a passage 26 between the finger platform sections 111 through which the tubes 11 can be moved towards / or away from the well center.

Im Handhabungsraum 32 können die Rohre 11 beim Zu-/ bzw. Abführen zum Rohrlager 10 bewegt werden. Gleichzeitig fungiert das Führungselement 27 als Sicherungselement, da dadurch verhindert wird, dass in einer Box angeordnete Rohre 11 aus dieser herausfallen können.In the handling space 32, the pipes 11 can be moved when they are fed to / from the pipe store 10. At the same time, the guide element 27 functions as a securing element, since this prevents pipes 11 arranged in a box from falling out of it.

Parallel zum Führungselement 27 ist auf der Arbeitsplattform 101 ein Anordnungselement 34 vorgesehen.An arrangement element 34 is provided on the work platform 101 parallel to the guide element 27.

Zum Entnehmen der Rohre 11 aus den Fingerbühnenabschnitten 111 und dem Zuführen der Rohren 11 zum Wellcenter, damit diese dort an den Topdrive übergeben werden können, ist ein Rohrmanipulator 40 vorgesehen. Der Rohrmanipulator 40 weist einen unteren Abschnitt 41 (Fig. 12) und einen oberen Abschnitt 42 (Fig. 12, 15) auf. Im vorliegenden Ausführungsbeispiel weist der untere Abschnitt ein Greifelement 43 und der obere Abschnitt ein Halteelement 44 auf. Es ist allerdings auch möglich, dass beide Abschnitte 41, 42 mit Greifelementen 43 oder der untere Abschnitt 41 mit einem Halteelement 44 und der obere Abschnitt 42 mit einem Greifelement 43 ausgeführt sind.A pipe manipulator 40 is provided for removing the pipes 11 from the finger platform sections 111 and feeding the pipes 11 to the well center so that they can be transferred there to the top drive. The pipe manipulator 40 has a lower section 41 ( Fig. 12 ) and an upper section 42 ( Fig. 12 , 15th ) on. In the present exemplary embodiment, the lower section has a gripping element 43 and the upper section has a holding element 44. However, it is also possible that both sections 41, 42 are designed with gripping elements 43 or the lower section 41 with a holding element 44 and the upper section 42 with a gripping element 43.

Der prinzipielle Aufbau des Rohrmanipulators 40 mit seinem unteren Abschnitt 41 und seinem oberen Abschnitt 42 entspricht im wesentlichen dem zuvor im ersten Ausführungsbeispiel dargelegten. Das Greif- bzw. Halteelement 43, 44 ist horizontal durch den Durchgang 26 bzw. im Handhabungsraum 32 und auch unter dem Raum 22, der der Lagerraum der Rohre 11 ist, in Pfeilrichtung A bewegbar. Gleichzeitig ist der untere Abschnitt 41 und der obere Abschnitt 42 entlang der Pfeilrichtung B entlang des Führungselements 27 bzw. des Anordnungselements 34 verfahrbar. Je nach Position des unteren und oberen Abschnitts 41, 42 ist dementsprechend das Greif- bzw. Halteelement 43, 44 im Durchgang 26 bzw. im Handhabungsraum 32 und auch unter dem Raum 22, der der Lagerraum der Rohre 11 ist, positionierbar durch eine reine horizontale Bewegung. Ein Verschwenken des Greif- bzw. Halteelements 43, 44 ist nicht vorgesehen, wodurch ein aufwendiger Schwenkantrieb entfallen kann.The basic structure of the pipe manipulator 40 with its lower section 41 and its upper section 42 corresponds essentially to that set out above in the first exemplary embodiment. The gripping or holding element 43, 44 can be moved horizontally in the direction of arrow A through the passage 26 or in the handling space 32 and also under the space 22, which is the storage space for the tubes 11. At the same time, the lower section 41 and the upper section 42 can be moved along the direction of arrow B along the guide element 27 or the arrangement element 34. Depending on the position of the lower and upper section 41, 42, the gripping or holding element 43, 44 can be positioned in the passage 26 or in the handling space 32 and also under the space 22, which is the storage space of the tubes 11, by a purely horizontal one Move. A pivoting of the gripping or holding element 43, 44 is not provided, whereby a complex pivot drive can be omitted.

Das Entnehmen der Rohre 11 aus dem Rohrlager 10 erfolgt in jedem Raum 22 von der offenen Seite 112 zur geschlossenen Seite 113 hin in Pfeilrichtung C und anschließend ausgehend von dem dem Führungselement 27 am nächsten liegenden Raum 22 in Pfeilrichtung D. Die Bewegung eines Rohres 11 aus einem Raum 22 hin zum Wellcenter, um dieses in den Bohrstrang einzubauen, erfolgt somit gemäß Pfeil E in Fig. 13. Beim Ausbau des Rohres 11 aus dem Bohrstrang erfolgt die Bewegung umgekehrt zum Pfeil E.The removal of the pipes 11 from the pipe storage 10 takes place in each space 22 from the open side 112 to the closed side 113 in the direction of arrow C and then starting from the space 22 closest to the guide element 27 in the direction of arrow D. The movement of a pipe 11 from a space 22 towards the well center, in order to build this into the drill string, thus takes place according to arrow E in Fig. 13 . When removing the pipe 11 from the drill string, the movement is reversed to arrow E.

Es müssen in dieser Ausführungsform die Rohre aus den einzelnen Rohrreihen nacheinander entnommen werden, da die Greif- bzw. Halteelemente 43, 44 nicht von der offenen Seite 112 in den jeweiligen Raum 22 eingreifen sondern rechtwinklig zur offenen Seite 112 bzw. rechtwinklig zu den Vorsprüngen 20, und es deshalb notwendig ist, zuerst die Räume 22 zu leeren, die dem Führungselement 27 am nächsten liegen und Rohre 11 enthalten. Beim Einbringen der Rohre 11 in die Rohrlager 10 muss entsprechend in umgekehrter Reihenfolge verfahren werden.In this embodiment, the tubes must be removed from the individual tube rows one after the other, since the gripping or holding elements 43, 44 do not engage in the respective space 22 from the open side 112 but at right angles to the open side 112 or at right angles to the projections 20 , and it is therefore necessary to first empty the spaces 22 which are closest to the guide element 27 and contain pipes 11. When the pipes 11 are introduced into the pipe storage 10, the procedure must be reversed accordingly.

Claims (15)

  1. Handling device for drill pipes (11) of a drilling device (100) for creating a deep borehole, having at least one pipe rack (10) which is arranged vertically on a working plane (101) of the drilling device (100) and has an open portion (21) through which the drill pipes (11) can be introduced into the pipe rack (10) or removed from the pipe rack (10), wherein the pipe rack (10) is provided with a guide element (27) by means of which a handling space (32) delimited by the guide element (27) on the one hand and the pipe rack (10) on the other hand is created in the region of the open portion, wherein the handling device (40) has at least one gripping element (43) for gripping the drill pipe (11), wherein the gripping element (43) is movable horizontally and vertically, and wherein the drill pipe (11) can be moved by way of the gripping element (43) in the region of the handling space (32) and from the handling space (32) to a well centre (104) of the drilling device (100), or vice versa, wherein the handling device (40) has a lower portion (41) and a spatially separately arranged upper portion (42), and wherein the gripping element (43) is arranged on the lower portion (41), wherein the handling device (40) has a holding element (44) which is arranged on the upper portion (42) and which encloses the drill pipe (11) in the horizontal direction with a holding action, wherein the holding element is configured in such a way that, in the holding state, it allows a vertical movement of the drill pipe (11).
  2. Handling device according to Claim 1, wherein there are provided two or more pipe racks (10) which are connected to the guide element (27).
  3. Handling device according to Claim 1 or 2, wherein the pipe rack (10) has a box-like structure.
  4. Handling device according to Claim 3, wherein the box-like structure has two lateral walls (16, 17) and a rear wall (18).
  5. Handling device according to Claim 3 or 4, wherein the pipe rack (10) is designed to receive at least two screwed-together drill pipes (11).
  6. Handling device according to one of Claims 1 to 5, wherein the pipe rack (10) has a bottom portion.
  7. Handling device according to Claim 6, wherein at least one projection or one depression is provided on the bottom portion.
  8. Handling device according to Claim 7, wherein the projection or the depression is arranged in such a way that the drill pipe (11) arranged on the projection or in the depression is arranged at an inclination in the pipe rack (10).
  9. Handling device according to one of Claims 6 to 8, wherein a portion opposite the bottom portion is of open configuration, and finger-like projections (20) between which there is a receiving space (22) for the drill pipes are provided in this portion.
  10. Handling device according to Claim 9, wherein the projections (20) are provided with depressions (23) for receiving threaded portions of the drill pipes.
  11. Handling device according to one of Claims 1 to 10, wherein the pipe rack (10) is arranged in such a way that the open side of the pipe rack points away from the drilling tower (100) or is arranged at a right angle thereto.
  12. Handling device according to one of Claims 1 to 11, wherein the upper portion (42) has a basic body (56) which is connected to the holding element (44), and in that the holding element (44) is movable horizontally with respect to the basic body (56).
  13. Handling device according to one of Claims 1 to 12, wherein the portions (41, 42) are movable synchronously, and in that the synchronous movement occurs mechanically or via a controller.
  14. Handling device according to one of Claims 1 to 13, wherein the upper portion (42) is arranged so as to be movable on the guide element (27).
  15. Handling device according to one of Claims 1 to 14, wherein the horizontal movement of the holding element (44) and of the gripper (43) occurs in a rotationally free manner.
EP14789785.4A 2013-09-24 2014-09-24 Handling device for drill pipes of a deep hole drilling device Active EP3049607B1 (en)

Applications Claiming Priority (2)

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DE102013015893.1A DE102013015893A1 (en) 2013-09-24 2013-09-24 Handling device for drill pipes of a deep drilling device
PCT/EP2014/002578 WO2015043740A1 (en) 2013-09-24 2014-09-24 Handling device for drill pipes of a deep hole drilling device

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EP3049607A1 EP3049607A1 (en) 2016-08-03
EP3049607B1 true EP3049607B1 (en) 2021-01-20

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CN (2) CN203783492U (en)
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CN104453743A (en) 2015-03-25
WO2015043740A1 (en) 2015-04-02
CN104453743B (en) 2018-01-26
EP3049607A1 (en) 2016-08-03
CN203783492U (en) 2014-08-20
DE102013015893A1 (en) 2015-03-26

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