EP0258705B1 - Device for handling and setting drill pipes in a derrick - Google Patents

Device for handling and setting drill pipes in a derrick Download PDF

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Publication number
EP0258705B1
EP0258705B1 EP87111744A EP87111744A EP0258705B1 EP 0258705 B1 EP0258705 B1 EP 0258705B1 EP 87111744 A EP87111744 A EP 87111744A EP 87111744 A EP87111744 A EP 87111744A EP 0258705 B1 EP0258705 B1 EP 0258705B1
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EP
European Patent Office
Prior art keywords
derrick
carriage
finger
drill pipe
arrangement according
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.)
Expired - Lifetime
Application number
EP87111744A
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German (de)
French (fr)
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EP0258705A3 (en
EP0258705A2 (en
Inventor
Eckhard Dipl.-Ing. Voigts
Hans Herbert Dipl.-Ing. Achilles
Adolf Dipl.-Ing. Häussler
Eberhard Dr.-Ing. Peschel
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.)
Siemens AG
Wintershall AG
Preussag AG Erdol und Erdgas
KCA Deutag Tiefbohr GmbH
Original Assignee
Siemens AG
Wintershall AG
Deutag Deutsche Tiefbohr AG
Preussag AG Erdol und Erdgas
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Application filed by Siemens AG, Wintershall AG, Deutag Deutsche Tiefbohr AG, Preussag AG Erdol und Erdgas filed Critical Siemens AG
Publication of EP0258705A2 publication Critical patent/EP0258705A2/en
Publication of EP0258705A3 publication Critical patent/EP0258705A3/en
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Publication of EP0258705B1 publication Critical patent/EP0258705B1/en
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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

Definitions

  • the invention relates to a drilling rig device training according to the preamble of claim 1, which is known from GB-A-2160564.
  • Drilling rig devices for receiving drill pipe trains of conventional design are provided with two finger platforms fixedly connected to tower side corner areas with tower girders and associated storage areas (setbacks) integrated in the working deck.
  • the respective drill string trains of the drill string are usually still put in by the working team of the drilling tower using pulley blocks and load cranes in the corresponding finger rows of the finger platform in laborious and time-consuming work with a not inconsiderable risk of accidents.
  • drilling towers have also been occasionally equipped with a drill robot (pipehandler) that can be moved between the finger platforms or the setbacks return to its original position to transport a subsequent drill string train.
  • a drill robot pipehandler
  • the drill string and drilling tool (drill bit and catch tool, milling head, etc.), but also drill rods or so-called heavy weights - if available in individual cases - can be installed or removed much faster than in known facilities.
  • a check and replacement of a drilling tool can thus be carried out in a relatively short time, so that the drilling rig is ready for use again after a short time interval for the drilling work to be carried out.
  • the cost-intensive downtimes of the drilling rig can thus be reduced by a substantial amount.
  • the finger platform and storage trolley When transporting the drill string trains, the finger platform and storage trolley are brought into the respective loading or unloading position, in which the boom robot continuously positions or exits the drill string trains in the rows of fingers on the finger platform or in the corresponding areas of the storage trolley by means of a swiveling movement and extension of the gripper arms this one can see. Time-consuming transport routes from the borehole to the side end areas of the work deck are completely eliminated with the derrick. After filling or emptying a row of fingers in the course of the transport movement of the linkage robot or its gripping arms, the finger platform and the storage trolley can be moved into the next pick-up or removal position in a structurally and control-technically simple manner. The travel path to be covered is limited to the dimension corresponding to the finger division of the finger platform.
  • the step-by-step positioning of the finger platform and storage trolley can be carried out using conventional drive and control elements.
  • the storage trolley and finger stage preferably have an electric motor drive with a control system which, after manual activation of a trigger, for example, automatically controls the corresponding next position.
  • the drive for positioning the finger platform and storage trolley can interact with stops or the like.
  • the finger platform and storage trolley are expediently fitted in a structurally simple manner in running tracks fixed on the work deck or on the drilling rig supports. By eliminating the movement of the boom robot, the boom trains are transported free of vibrations and thus without impairing the rig stability.
  • the derrick generally designated 1 in the drawing with derrick supports 2 and a work deck 3, on which, as shown in FIG. 2, a lifting mechanism 4 and a crane operator control station 5 are mounted, is provided with a pulley 7, which is vertically movably guided on rails 6, with a pull hook 8 and an elevator 9 provided.
  • the elevator 9 engages around the upper end connection 13 of a drill string pull 11, so that the drill string 10 is pulled out by the corresponding upward stroke movement of the block and tackle 9 so that the lower end connection 13 of the drill string pull 11 to be turned off located above the work deck 3.
  • two storage trolleys 15, each movable in the direction of the arrows 14 shown in FIG. 1, are supported in opposite tower side areas.
  • rails 16 are fastened to the drilling rig supports 2 at a distance corresponding approximately to the length of the drill pipe trains 11 to be switched off, on which two finger platforms 17 arranged one behind the other are likewise guided in the direction of the arrows 18 (FIG. 1).
  • a storage trolley 15 is assigned to the finger platforms 17.
  • the respective finger platforms 17 are to be moved synchronously with their assigned storage trolleys relative to the linkage robot (pipehandler) 19 fixedly mounted on the work deck 3.
  • the pipehandler 19 has a tower structure 21 which can be pivoted about a vertical axis 20 (FIG. 2) and comprises extendable and retractable gripping arms 22 for gripping the setbacks to be transported or placed on the set-up surface (setbacks) 15 and into the rows of fingers 23 with fingers 24 provided finger stage 17 rod trains 11 to be introduced.
  • the drill string 10 is pulled out of the borehole so far that the lower end connection 13 of the rod train to be turned off is above the work deck 3 and the upper end connection 13 of the rod train 11 is above the finger platform 17, the drill string 10 is first intercepted by wedges.
  • the unscrewed rod train is held by the pipehandler 19, which lifts it off the drill string 10 and pivots it by 90 ° about its pivot axis 20 (arrows 26 and 27 in FIG. 2).
  • the respective finger platform 17 and the associated storage trolley 15 are moved by one of the finger pitches of the finger platform 17 Appropriate dimension move synchronously in the direction of the work superstructures 4 and 5 (FIG. 2) mounted on the work deck 3 or in the opposite direction.
  • the electromotive drives 29 and 43 of storage trolley 15 and finger platform 17 have control elements, not shown in detail, which automatically bring the finger platform 17 and storage trolley 15 into the next pick-up position corresponding to the finger division after actuation of a clock trigger.
  • the storage trolley 15 is expediently to be moved in its upright out-of-service position, so that after being transferred to its upright out-of-service position it is to be brought into a work deck area in which it does not have free access to the drill chute 34 disabled (reference numeral 35 in Fig. 2).
  • To move the upright storage trolley 15 3 rails or other suitable transport guide body are embedded in the work deck. Removing the storage trolley 15 is also by means of roller pallets or with Possible with the help of a crane.
  • the work deck superstructures 4 and 5 can also be fixed on the work deck 3, forming a receiving space (not shown) for one or more storage trolleys, so that a storage trolley 5 after unloading the drill string cables 11 is drawer-like under the elevator 4 or the crane operator control station 5 is to be pushed.
  • the drilling rig device according to the invention also provides the possibility of leaving empty storage trolleys which are not required, thereby enlarging the working area, in their inoperative position.
  • Fig. 3 the work deck 3 is illustrated in cross section with storage trolleys 15 movably guided thereon, the illustration of the linkage robot 19 being omitted for the sake of clarity.
  • the vertical pivot axis 20 of the drill robot 19 is shown, which is positioned directly adjacent to the borehole 12 or the turntable 25.
  • the substructure supports 35 of the work deck 3 are correspondingly strongly dimensioned in the storage area of the rod trains 11 or the setback packages facing away from the work deck superstructures 4 and 5.
  • the substructure 35 and the turntable 25 are supported on double-T supports 36.
  • the storage trolleys 15 are provided on their upper side with rod holders 45 and on their underside with conventional roller packs 37, which are guided on rails 39 arranged in working deck recesses 38 (FIG. 4).
  • racks 40 are provided on the top of both running rails, which work together to drive the parking trolleys 15 with drive pinions 42 driven by an electric drive 29 via a gear 41.
  • the drive pinions 42 are tilted by the drive pinions 42 provided on both sides of a storage trolley 15 prevented during travel under load.
  • the electric motor 29 and the gear 41 are provided in the illustrated embodiment below the parking surface of the parking truck 15.
  • the drives can also be provided on the work deck and the toothed racks 40 are located beneath the storage surfaces of the storage trolleys 15 and are protected against contamination.
  • the electric motor drives 29 each have a power supply line with detachable plugs which are withdrawn to remove unloaded storage trolleys 15.
  • FIG. 7 shows the finger platforms 17 provided on opposite side regions of the drilling tower 1.
  • the two finger platforms 17 on the left in the drawing are shown in a working position in which the last row of fingers 23 is loaded with drill string trains 11 when the drill string 10 is dismantled.
  • the two finger platforms 17 and storage trolley 15 have already moved into their rear end position in the reinforced working deck area.
  • the finger platforms 17 shown on the right in FIG. 7 are shown in a working position in which the last drill string trains 11 of the row of fingers 23 are removed when a drill string 10 is installed and the finger platforms 17 are thus unloaded.
  • Each finger stage 17 is equipped with a drive 43 and a gear 44 and is driven in a manner analogous to that of the storage trolleys 15 via drive pinions and toothed racks (not shown).
  • the drives 43 and 29 are coupled in terms of control technology.
  • the finger platforms are of rectangular design and are guided on straight running rails 16.
  • the finger platforms 17 can also be on a concentric circular path to the longitudinal axis of the borehole 28 movably guided and be designed, for example, as a finger stage rotating carousel.

Description

Die Erfindung bezieht sich auf eine Bohrturm einrichtung Ausbildung nach dem Oberbegriff des Anspruchs 1, welche aus der GB-A-2160564 bekannt ist.The invention relates to a drilling rig device training according to the preamble of claim 1, which is known from GB-A-2160564.

Bohrturm einrichtungen zur Aufnahme von Bohrgestängezügen herkömmlicher Bauart sind mit zwei an gegenüberliegenden Bohrturmseiteneckbereichen mit Turmträgern fest verbundenen Fingerbühnen und diesen zugeordneten, im Arbeitsdeck integrierten Abstellflächen (Setbacks) versehen. Die jeweiligen Bohrgestängezüge des Bohrstranges werden in der Regel noch von der Arbeitsmannschaft des Bohrturms mittels Flaschenzug und Lastenkran in die entsprechenden Fingerreihen der Fingerbühne in mühevoller und zeitraubender Arbeit mit nicht unerheblichem Unfallrisiko eingebracht. Inzwischen werden Bohrtürme vereinzelt auch schon mit einem zwischen den Fingerbühnen bzw. den Setbacks verfahrbaren Gestängeroboter (Pipehandler) ausgerüstet, der z.B. zur Auswechslung des Bohrwerkzeuges jeweils einen gelösten Bohrgestängezug an die jeweilige aufnahmebereite Fingerreihe transportiert und mittels seiner Greifarme den Bohrgestängezug einführt und abstellt, um danach zum Transport eines nachfolgenden Bohrgestängezuges in seine Ausgangsstellung zurückzukehren. Aufgrund der für die Demontages bzw. Montage insbesondere bei größeren Bohrteufen vom Gestängeroboter zu durchfahrenden langen Transportwege entlang der Fingerbühnen von bei modernen Bohrtürmen durchaus bis zu fünf Metern gestaltet sich jedoch auch hier der Montage- bzw. Demontagevorgang des Bohrstrangs außerordentlich zeit-aufwendig und dadurch bedingt auch kostenintensiv. Durch die Verfahrbewegung des Gestängeroboters unter der Last der Bohrgestängezüge kann es darüber hinaus zu die Turmstabilität beeinträchtigenden Schwingungen kommen.Drilling rig devices for receiving drill pipe trains of conventional design are provided with two finger platforms fixedly connected to tower side corner areas with tower girders and associated storage areas (setbacks) integrated in the working deck. The respective drill string trains of the drill string are usually still put in by the working team of the drilling tower using pulley blocks and load cranes in the corresponding finger rows of the finger platform in laborious and time-consuming work with a not inconsiderable risk of accidents. In the meantime, drilling towers have also been occasionally equipped with a drill robot (pipehandler) that can be moved between the finger platforms or the setbacks return to its original position to transport a subsequent drill string train. Because of the long transport routes to be traveled by the rod robot for dismantling or assembly, especially for larger drilling depths, along the finger platforms of modern drilling towers up to five meters, however, the assembly and disassembly process of the drill string is also extremely time-consuming and therefore also cost-intensive. The movement of the drill robot under the load of the drill string trains can also result in vibrations that impair tower stability.

Es ist Aufgabe der vorliegenden Erfindung, auf baulich einfache Weiseeine Bohrturmeinrichtung der eingangs genannten Art zu schaffen, bei dem der Bohrstrang wesentlich schneller zu montieren und demontieren ist. Zur Lösung dieser Aufgabe zeichnet sich die Bohrturmeinrichtung nach der Erfindung durch die im kennzeichnenden Teil des Anspruchs 1 angegebenen Merkmale aus. Hinsichtlich weiterer vorteilhafter Ausgestaltungen der Erfindung wird auf die Ansprüche 2 bis 12 verwiesen.It is an object of the present invention to provide a drilling rig device of the type mentioned at the outset in which the drill string can be assembled and disassembled much more quickly. To achieve this object, the derrick according to the invention is characterized by the features specified in the characterizing part of claim 1. With regard to further advantageous embodiments of the invention, reference is made to claims 2 to 12.

Durch die synchrone Verfahrbarkeit von Fingerbühne und Abstellwagen relativ zu dem ortsfest angeordneten Gestängerorobter lassen sich Bohrstrang und Bohrwerkzeug (Bohrkrone und Fangwerkzeug, Fräskopf u.dgl.) aber auch Schwerstangen oder sog. Heavy Weights - soweit im Einzelfall vorhanden - wesentlich schneller einbauen bzw. ausbauen als bei bekannten Einrichtungen. Eine Überprüfung und Auswechslung eines Bohrwerkzeuges ist damit in relativ kurzer Zeit zu vollziehen, so daß der Bohrturm schon nach kurzen Zeitabständen für die durchzuführenden Bohrarbeiten wieder einsatzbereit ist. Die kostenintensiven Still-standzeiten des Bohrturms sind damit um ein wesentliches Maß zu reduzieren. Fingerbühne und Abstellwagen werden bei der Beförderung der Bohrgestängezüge in die jeweilige Beladungs- bzw. Entladungsstellung gebracht, in der der Gestängeroboter mittels einer Schwenkbewegung und Ausfahren der Greifarme kontinuierlich die Bohrgestängezüge in den Fingerreihen der Fingerbühne bzw. an den entsprechenden Bereichen des Abstellwagens plazieren bzw. aus diesen entnehmen kann. Zeitraubende Transportwege vom Bohrloch bis hin zu Seitenendbereichen des Arbeitsdecks entfallen bei dem Bohrturm gänzlich. Die Fingerbühne und der Abstellwagen sind in baulich und steuerungstechnisch einfacher Weise nach Befüllen bzw. Entleeren einer Fingerreihe im Verlaufe der Transportbewegung des Gestängeroboters bzw. seiner Greifarme in die jeweils nächste Aufnahme- bzw. Entnahmestellung zu bewegen. Der durchzulaufende Verfahrweg beschränkt sich dabei auf das der Fingerteilung der Fingerbühne entsprechende Maß. Die taktweise Weiterpositionierung von Fingerbühne und Abstellwagen ist mit konventionellen Antriebs- und Steuerungselementen zu vollziehen. Bevorzugt haben Abstellwagen und Fingerbühne einen eletromotorischen Antrieb mit einer Steuerung, die nach beispielsweise manueller Betätigung eines Auslösers die entsprechend nächste Position automatisch ansteuert. Alternativ kann der Antrieb zum Positionieren von Fingerbühne und Abstellwagen an der jeweils erforderlichen Abstellstelle mit Anschlägen oder dgl. Indexierungen zusammenwirken. Fingerbühne und Abstellwagen sind in baulich einfacher Weise zweckmäßigerweise in am Arbeitsdeck bzw. an den Bohrturmträgerb festgelegten Laufschienen gefügrt. Durch den Entfall von Verfahrtransportbewegungen des Gestängeroboters erfolgt der Transport der Gestängezüge frei von Schwingungen und damit ohne Beeinträchtigung der Bohrturmstabilität.Due to the synchronous movability of the finger platform and storage trolley relative to the stationary rod lifter, the drill string and drilling tool (drill bit and catch tool, milling head, etc.), but also drill rods or so-called heavy weights - if available in individual cases - can be installed or removed much faster than in known facilities. A check and replacement of a drilling tool can thus be carried out in a relatively short time, so that the drilling rig is ready for use again after a short time interval for the drilling work to be carried out. The cost-intensive downtimes of the drilling rig can thus be reduced by a substantial amount. When transporting the drill string trains, the finger platform and storage trolley are brought into the respective loading or unloading position, in which the boom robot continuously positions or exits the drill string trains in the rows of fingers on the finger platform or in the corresponding areas of the storage trolley by means of a swiveling movement and extension of the gripper arms this one can see. Time-consuming transport routes from the borehole to the side end areas of the work deck are completely eliminated with the derrick. After filling or emptying a row of fingers in the course of the transport movement of the linkage robot or its gripping arms, the finger platform and the storage trolley can be moved into the next pick-up or removal position in a structurally and control-technically simple manner. The travel path to be covered is limited to the dimension corresponding to the finger division of the finger platform. The step-by-step positioning of the finger platform and storage trolley can be carried out using conventional drive and control elements. The storage trolley and finger stage preferably have an electric motor drive with a control system which, after manual activation of a trigger, for example, automatically controls the corresponding next position. Alternatively, the drive for positioning the finger platform and storage trolley can interact with stops or the like. The finger platform and storage trolley are expediently fitted in a structurally simple manner in running tracks fixed on the work deck or on the drilling rig supports. By eliminating the movement of the boom robot, the boom trains are transported free of vibrations and thus without impairing the rig stability.

Als Bohrgestängehalter sind bevorzugt an gegenüberliegenden Seitenbereichen zwei oder drei, insgesamt also vier oder sechs, Fingerbühnen mit jeweils zugeordneten Abstellwagen vorgesehen. Die mit dem Bohrgestängezügen beladenen Abstellwagen werden zweckmäßigerweise in dem den Arbeitsdeckaufbauten abgewandten und hier entsprechend verstärkt ausgebildeten Arbeitsdeckbereich plaziert, so daß Fingerbühne und Abstellwagen bei einem Entladevorgang in Richtung der Arbeitsdeckaufbauten bewegt werden. Nach Entladen der der Abstellwagen können diese auf einfache Weise vom Arbeitsbereich des Arbeitsdecks weggeschafft werden, indem sie beispielsweise klappbar am Arbeitsdeck festzulegen sind und in eine im wesentlichen aufrechte Außerbetriebstellung geklappt werden, um auch Verfahrraum für einen nachfolgenden Abstellwagen zu schaffen. Der Bohrturm nach der Erfindung bietet darüber hinaus die Möglichkeit, jeweils nur Abstellwagen in entsprechender Anzahl und Größe einzusetzen, die je nach Länge des zu montierenden bzw. demontierenden Bohrstrangs benötigt werden. Das Arbeitsdeck kann somit bei kürzeren Bohrsträngen von einer nicht benötigten Bohrgestängeabstellfläche freigehalten werden. Weitere vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus der nachfolgenden Beschreibung und der Zeichnung, in der ein Ausführungsbeispiel eine Bohrturmeinrichtung nach der Erfindung dargestellt ist. Es zeigen:

  • Fig. 1 in schematicher perpektivischer Darstellung eine Bohrturmeinrichtung nach der Erfindung,
  • Fig. 2 eine Draufsicht auf das Arbeitsdeck des Bohrturms mit darauf montierten Arbeitsaufbauten,
  • Fig. 3 ausschnittsweise eine Querschnittsdarstellung des Arbeitsdecks und der Abstellwagen ohne Darstellung des Gestängeroboters,
  • Fig. 4 Querschnittsdarstellungt eines Abstellwagens entsprechend der Schnittlinie IV-IV in Fig. 2, der klappbar am Arbeitsdeck festgelegt ist,
  • Fig. 5 Draufsicht auf einen Abstellwagen mit Gelenkanschlußflanschen,
  • Fig. 6 Draufsicht auf einen Abstellwagen, auf dem die Abstellpositionen der Gestängezüge veranschaulicht sind und
  • Fig. 7 in schematischer Draufsicht die an Bohrturmträgern verfahrbar festgelegten Fingerbühnen der Bohrturmeinrichtung nach der Erfindung.
As drill pipe holders, two or three, in total four or six, finger platforms, each with associated storage trolleys, are preferably provided on opposite side areas. The storage trolleys loaded with the drill string trains are expediently placed in the working deck area facing away from the work deck superstructures and accordingly appropriately reinforced here, so that the finger platform and storage trolleys are moved in the direction of the work deck superstructures during an unloading process. After unloading the the storage trolleys can be easily removed from the work area of the work deck, for example by attaching them to the work deck in a foldable manner and folding them into an essentially upright out-of-service position, in order to also create travel space for a subsequent storage trolley. The drilling rig according to the invention also offers the possibility of using only storage trolleys of the appropriate number and size, which are required depending on the length of the drill string to be assembled or disassembled. The work deck can thus be kept free of a drill pipe storage surface that is not required for shorter drill strings. Further advantageous embodiments of the invention result from the following description and the drawing, in which an exemplary embodiment of a drilling rig device according to the invention is shown. Show it:
  • 1 is a schematic perspective view of a derrick according to the invention,
  • 2 is a plan view of the working deck of the derrick with work structures mounted thereon,
  • 3 shows a section of a cross-sectional view of the work deck and the storage trolleys without showing the boom robot,
  • 4 cross-sectional representation of a storage car according to the section line IV-IV in Fig. 2, which is hinged to the work deck,
  • 5 top view of a storage trolley with articulated connection flanges,
  • Fig. 6 plan view of a storage trolley, on which the parking positions of the rod trains are illustrated and
  • Fig. 7 is a schematic plan view of the finger platforms of the drilling rig device according to the invention which are movably attached to the rig carriers.

Der in der Zeichnung allgemein mit 1 gekennzeichnete Bohrturm mit Bohrturmträgern 2 sowie einem Arbeitsdeck 3, auf dem entsprechend der Darstellung nach Fig. 2 ein Hebewerk 4 sowie ein Kranführerleitstand 5 montiert sind, ist mit einem an Schienen 6 vertikal beweglich geführten Flaschenzug 7 mit einem Zughaken 8 sowie einem Elevator 9 versehen. Zum Herausbefördern des allgemein mit 10 bezifferten Bohrstranges aus dem Bohrloch 12 umgreift der Elevator 9 die obere Endverbindung 13 eines Bohrgestängezuges 11, so daß der Bohrstrang 10 durch die entsprechende Aufwärtshubbewegung des Flaschenzuges 9 soweit herausgezogen wird, daß sich die untere Endverbindung 13 des abzustellenden Gestängezuges 11 oberhalb des Arbeitsdecks 3 befindet.The derrick generally designated 1 in the drawing with derrick supports 2 and a work deck 3, on which, as shown in FIG. 2, a lifting mechanism 4 and a crane operator control station 5 are mounted, is provided with a pulley 7, which is vertically movably guided on rails 6, with a pull hook 8 and an elevator 9 provided. In order to convey the drill string, generally numbered 10, out of the borehole 12, the elevator 9 engages around the upper end connection 13 of a drill string pull 11, so that the drill string 10 is pulled out by the corresponding upward stroke movement of the block and tackle 9 so that the lower end connection 13 of the drill string pull 11 to be turned off located above the work deck 3.

Auf dem Arbeitsdeck 3 sind in gegenüberliegenden Turmseitenbereichen jeweils zwei in Richtung der in Fig. 1 dargestellten Pfeile 14 verfahrbare Abstellwagen 15 abgestützt. Oberhalb des Arbeitsdecks sind in einem etwa der Länge der abzustellenden Bohrgestängezüge 11 entsprechenden Abstand Laufschienen 16 an den Bohrturmträgern 2 befestigt, an denen ebenfalls jeweils zwei hintereinander angeordnete Fingerbühnen 17 in Richtung der Pfeile 18 (Fig. 1) verfahrbar geführt sind. Den Fingerbühnen 17 ist jeweils ein Abstellwagen 15 zugeordnet. Die jeweiligen Fingerbühnen 17 sind mit ihren zugeordneten Abstellwagen synchron relativ zu dem ortsfest auf dem Arbeitsdeck 3 montierten Gestängeroboter (Pipehandler) 19 zu verfahren. Der Pipehandler 19 hat einen um eine Vertikalachse 20 (Fig. 2) schwenkbaren Turmaufbau 21 und umfaßt aus-und einfahrbare Greifarme 22 zum Greifen der zu transportierenden bzw. auf der Abstellfläche (Setbacks) eines Abstellwagnes 15 abzustellenden und in die Fingerreihen 23 der mit Fingern 24 versehenen Fingerbühne 17 einzuführenden Gestängezüge 11.On the working deck 3, two storage trolleys 15, each movable in the direction of the arrows 14 shown in FIG. 1, are supported in opposite tower side areas. Above the working deck, rails 16 are fastened to the drilling rig supports 2 at a distance corresponding approximately to the length of the drill pipe trains 11 to be switched off, on which two finger platforms 17 arranged one behind the other are likewise guided in the direction of the arrows 18 (FIG. 1). A storage trolley 15 is assigned to the finger platforms 17. The respective finger platforms 17 are to be moved synchronously with their assigned storage trolleys relative to the linkage robot (pipehandler) 19 fixedly mounted on the work deck 3. The pipehandler 19 has a tower structure 21 which can be pivoted about a vertical axis 20 (FIG. 2) and comprises extendable and retractable gripping arms 22 for gripping the setbacks to be transported or placed on the set-up surface (setbacks) 15 and into the rows of fingers 23 with fingers 24 provided finger stage 17 rod trains 11 to be introduced.

Ist der Bohrstrang 10 soweit aus dem Bohrloch herausgezogen, daß sich die untere Endverbindung 13 des abzustellenden Gestängezuges oberhalb des Arbeitsdecks 3 und die obere Endverbindung 13 des Gestängezuges 11 oberhalb der Fingerbühne 17 befinden, wird der Bohrstrang 10 zunächst durch Keile abgefangen. Der Pipehandler 19, dessen Schwenkachse 20 unmittelbar an das Bohrloch 12 bzw. den Drehkranz 25 (Fig. 3) des Bohrturms 1 angrenzt, greift mit seinen Greifarmen 22 den abzustellenden Bohrgestängezug 11 und entschraubt ihn von dem noch im Bohrloch befindlichen Bohrstrang 10. Nach Öffnen des Elevators 9 wird der entschraubte Gestängezug vom Pipehandler 19 gehalten, der ihn vom Bohrstrang 10 abhebt und um 90° um seine Schwenkachse 20 (Pfeile 26 bzw. 27 in Fig. 2) verschwenkt. Nach dieser Schwenkbewegung befindet sich ein abzustellender Gestängezug 11 unmittelbar vor der Fingerreihe 23 der Fingerbühne 17, in der der Gestängezug nach Ausfahren der Greifarme 22 zu plazieren ist. Danach schwenkt der Turmaufbau 21 des Pipehandlers 19 um 90° zurück, um in gleicher Arbeitsfolge den nächsten Gestängezug zu transportieren. Die Abstände der Endflächen der Fingerbühne 17 sowie der Abstellwagen 15 und Bohrlochlängsachse 28 haben in etwa einen gleichen Abstand zur Schwenkachse 20 des Gestängeroboters 19, so daß mit der beschriebenen 90°-Schwenkbewegung des Turmaufbaus 21 der Bohrgestängezug 11 vom Bohrstrang 10 ohne sonstige Verfahrwege des Roboters 19 direkt vor der jeweiligen den Gestängezug aufnehmenden Fingerreihe zu plazieren ist. Nach Auffüllung einer Fingerreihe können die abgestellten Gestängezüge mittels einer nicht näher gezeigten Verriegelungsvorrichtung festgelegt werden.If the drill string 10 is pulled out of the borehole so far that the lower end connection 13 of the rod train to be turned off is above the work deck 3 and the upper end connection 13 of the rod train 11 is above the finger platform 17, the drill string 10 is first intercepted by wedges. The pipehandler 19, the pivot axis 20 of which directly adjoins the borehole 12 or the turntable 25 (FIG. 3) of the drilling tower 1, grips the drill string train 11 to be stopped with its gripper arms 22 and unscrews it from the drill string 10 still located in the borehole 10. After opening of the elevator 9, the unscrewed rod train is held by the pipehandler 19, which lifts it off the drill string 10 and pivots it by 90 ° about its pivot axis 20 (arrows 26 and 27 in FIG. 2). After this swiveling movement there is a rod train 11 to be switched off immediately in front of the finger row 23 of the finger platform 17, in which the rod train is to be placed after the gripping arms 22 have been extended. Then the tower structure 21 of the pipehandler 19 swings back by 90 ° in order to transport the next rod train in the same work sequence. The distances between the end faces of the finger stage 17 and the storage trolley 15 and the longitudinal axis 28 of the borehole are approximately the same distance from the pivot axis 20 of the drill robot 19, so that with the described 90 ° pivoting movement of the tower structure 21, the drill string train 11 from the drill string 10 without any other travel paths of the robot 19 is to be placed directly in front of the respective row of fingers receiving the linkage. After filling up a row of fingers, the rod trains that have been parked can be fixed by means of a locking device (not shown in more detail).

Sobald eine Fingerreihe 23 mit Bohrgestängezügen 11 beladen bzw. bei Montage eines Bohrstranges 10 entladen ist, werden die jeweilige Fingerbühne 17 und der zugeordnete Abstellwagen 15 um ein der Fingerteilung der Fingerbühne 17 entsprechendes Maß synchron in Richtung der auf dem Arbeitsdeck 3 montierten Arbeitsaufbauten 4 und 5 (Fig. 2) bzw. in die entgegengesetzte Richtung verfahren. Dazu weisen die elektromotorischen Antriebe 29 und 43 von Abstellwagen 15 und Fingerbühne 17 im einzelnen nicht näher dargestellte Steuerungselemente auf, die nach Betätigung eines Taktauslösers automatisch Fingerbühne 17 und Abstellwagen 15 in die der Fingerteilung entsprechende nächste Aufnahmestellung bringen. Diese Verfahrbewegung erfolgt unmittelbar nach Beladen bzw. Entladen einer Fingerreihe 23, so daß der Pipehandler 19 ohne Unterbrechung seines Arbeitsbetriebes schon den nächsten Gestängezug 11 in der benachbarten Fingerreihe 23 plazieren kann. Ist ein Abstellwagen 15 vollständig entladen (Fig. 6), wird der Abstellwagen 15 aus dem Arbeitsbereich des Arbeitsdecks 3 gebracht. Dazu sind auf dem Arbeitsdeck 3 des gezeigten Ausführungsbeispiels Scharnierteile 30 mit Gelenklaschen 31 befestigt, an denen mittels eines einfachen Steckbolzens an den Abstellwagen 15 ausgebildete Anschlußflansche 32 festzulegen sind, so daß ein entladener Abstellwagen in die in Fig. 2 gezeigte, aufrechte Außerbetriebstellung (Bezugsziffer 33) zu schwenken ist. In den dadurch frei gewordenen Raum auf dem Arbeitsdeck 3 kann nun ein nachfolgender Abstellwagen 5 verfahren werden.As soon as a row of fingers 23 is loaded with drill string trains 11 or is unloaded when assembling a drill string 10, the respective finger platform 17 and the associated storage trolley 15 are moved by one of the finger pitches of the finger platform 17 Appropriate dimension move synchronously in the direction of the work superstructures 4 and 5 (FIG. 2) mounted on the work deck 3 or in the opposite direction. For this purpose, the electromotive drives 29 and 43 of storage trolley 15 and finger platform 17 have control elements, not shown in detail, which automatically bring the finger platform 17 and storage trolley 15 into the next pick-up position corresponding to the finger division after actuation of a clock trigger. This traversing movement takes place immediately after loading or unloading of a row of fingers 23, so that the pipe handler 19 can already place the next rod train 11 in the adjacent row of fingers 23 without interrupting its working operation. If a storage trolley 15 is completely unloaded (FIG. 6), the storage trolley 15 is brought out of the working area of the work deck 3. For this purpose, hinge parts 30 are fastened on the working deck 3 of the exemplary embodiment shown, with articulated brackets 31, on which connecting flanges 32 formed on the storage trolley 15 are to be fixed by means of a simple plug-in bolt, so that an unloaded storage trolley is moved into the upright inoperative position shown in FIG. 2 (reference number 33 ) is to be pivoted. A subsequent storage trolley 5 can now be moved into the space thus freed up on the work deck 3.

Ist beispielsweise an einem Seitenrandbereich des Arbeitsdecks eine Gestängerutsche 34 vorgesehen, ist der Abstellwagen 15 in seiner aufrechten Außerbetriebstellung zweckmäßigerweise zu verschieben, so daß er nach Überführung in seine aufrechte Außerbetriebstellung in einen Arbeitsdeckbereich zu bringen ist, in dem er den freien Zugang zur Gestängerutsche 34 nicht behindert (Bezugsziffer 35 in Fig. 2). Zum Verschieben des aufrechten Abstellwagens 15 sind in das Arbeitsdeck 3 Schienen oder sonstige geeignete Transportführungskörper eingelassen. Ein Wegschaffen des Abstellwagens 15 ist auch mittels Rollpaletten oder mit Hilfe eines Krans möglich. Anstelle der am Arbeitsdeck 3 befestigten Scharnierteile 30 können beispielsweise auch die Arbeitsdeckaufbauten 4 und 5 unter Ausbildung eines nicht gezeigten Aufnahmeraums für einen oder mehrere Abstellwagen auf dem arbeitsdeck 3 festgelegt sein, so daß ein Abstellwagen 5 nach Entladen der Bohrgestängezüge 11 schubladenartig unter das Hebewerk 4 bzw. den Kranführerleitstand 5 zu schieben ist. Je nach Länge des zu montierenden bzw. zu demontierenden Bohrstranges 10 ist bei der Bohrturmeinrichtung nach der Erfindung dadurch auch die Möglichkeit geschaffen, nicht benötigte leere Abstellwagen unter Vergrößerung des Arbeitsbereichs in ihrer Außerbetriebstellung zu belassen.If, for example, a rod chute 34 is provided on a side edge area of the work deck, the storage trolley 15 is expediently to be moved in its upright out-of-service position, so that after being transferred to its upright out-of-service position it is to be brought into a work deck area in which it does not have free access to the drill chute 34 disabled (reference numeral 35 in Fig. 2). To move the upright storage trolley 15 3 rails or other suitable transport guide body are embedded in the work deck. Removing the storage trolley 15 is also by means of roller pallets or with Possible with the help of a crane. Instead of the hinge parts 30 fastened to the work deck 3, for example the work deck superstructures 4 and 5 can also be fixed on the work deck 3, forming a receiving space (not shown) for one or more storage trolleys, so that a storage trolley 5 after unloading the drill string cables 11 is drawer-like under the elevator 4 or the crane operator control station 5 is to be pushed. Depending on the length of the drill string 10 to be assembled or disassembled, the drilling rig device according to the invention also provides the possibility of leaving empty storage trolleys which are not required, thereby enlarging the working area, in their inoperative position.

In Fig. 3 ist ausschnittsweis das Arbeitsdeck 3 mit darauf beweglich geführten Abstellwagen 15 im Querschnitt veranschaulicht, wobei der besseren Übersichtlichkeit wegen auf die Darstellung des Gestängeroboters 19 verzichtet wurde. Gezeigt ist jedoch die vertikale Schwenkachse 20 des Gestängeroboters 19, die unmittelbar an das Bohrloch 12 bzw. den Drehtisch 25 angrenzend positioniert ist. Die Unterbauträger 35 des Arbeitsdecks 3 sind in dem den Arbeitsdeckaufbauten 4 und 5 abgewandten Abstellbereich der Gestängezüge 11 bzw. der Setbackpakete entsprechend stark dimensioniert. Die Unterbauträger 35 und der Drehtisch 25 stützen sich auf Doppel-T-Trägern 36 ab. Die Abstellwagen 15 sind an ihrer Oberseite mit Gestängehaltern 45 und an ihrer Unterseite mit konventionellen Rollenpaketen 37 versehen, die auf in Arbeitsdeckausnehmungen 38 angeordneten Laufschienen 39 geführt sind (Fig. 4). Oberseitig sind an beiden Laufschienen 39 Zahnstangen 40 vorgesehen, die zum Verfahren der Abstellwagen 15 mit von einem Elektroantrieb 29 über ein Getriebe 41 angetriebenen Antriebsritzeln 42 zusammenwirken. Durch die jeweils an beiden Seiten eines Abstellwagens 15 vorgesehenen Antriebsritzel 42 ist ein Verkanten der Wagen 15 während der Verfahrbewegung unter Last verhindert. Der Elektromotor 29 und das Getriebe 41 sind in dem veranschaulichten Ausführungsbeispiel unterhalb der Abstellfläche des Abstellwagens 15 vorgesehen. Daneben können die Antriebe aber auch am Arbeitsdeck vorgesehen sein und sich die Zahnstangen 40 vor Verschmutzungen geschützt unterhalb der Abstellflächen der Abstellwagen 15 befinden. Nicht näher dargestellt haben die elektromotorischen Antriebe 29 jeweils eine Stromzuleitung mit lösbaren Steckern, die zum Wegschaffen entladener Abstellwagen 15 abgezogen werden.In Fig. 3, the work deck 3 is illustrated in cross section with storage trolleys 15 movably guided thereon, the illustration of the linkage robot 19 being omitted for the sake of clarity. However, the vertical pivot axis 20 of the drill robot 19 is shown, which is positioned directly adjacent to the borehole 12 or the turntable 25. The substructure supports 35 of the work deck 3 are correspondingly strongly dimensioned in the storage area of the rod trains 11 or the setback packages facing away from the work deck superstructures 4 and 5. The substructure 35 and the turntable 25 are supported on double-T supports 36. The storage trolleys 15 are provided on their upper side with rod holders 45 and on their underside with conventional roller packs 37, which are guided on rails 39 arranged in working deck recesses 38 (FIG. 4). 39 racks 40 are provided on the top of both running rails, which work together to drive the parking trolleys 15 with drive pinions 42 driven by an electric drive 29 via a gear 41. The drive pinions 42 are tilted by the drive pinions 42 provided on both sides of a storage trolley 15 prevented during travel under load. The electric motor 29 and the gear 41 are provided in the illustrated embodiment below the parking surface of the parking truck 15. In addition, the drives can also be provided on the work deck and the toothed racks 40 are located beneath the storage surfaces of the storage trolleys 15 and are protected against contamination. Not shown in detail, the electric motor drives 29 each have a power supply line with detachable plugs which are withdrawn to remove unloaded storage trolleys 15.

In Fig. 7 sind die an gegenüberliegenden Seitenbereichen des Bohrturms 1 vorgesehenen Fingerbühnen 17 näher veranschaulicht. Die beiden in der Zeichnung linken Fingerbühnen 17 sind in einer Arbeitsstellung gezeigt, in der bei Demontage des Bohrstranges 10 die letzte Fingerreihe 23 mit Bohrgestängezügen 11 beladen wird. Die beiden Fingerbühnen 17 und Abstellwagen 15 sind bereits in ihre.hintere Endstellung im verstärkt ausgebildeten Arbeitsdeckbereich verfahren. Die in Fig. 7 rechts dargestellten Fingerbühnen 17 sind in einer Arbeitsstellung gezeigt, in der bei Montage eines Bohrstranges 10 und somit Entladen der Fingerbühnen 17 die letzten Bohrgestängezüge 11 der Fingerreihe 23 entnommen werden. Jede Fingerbühne 17 ist mit einem Antrieb 43 sowie einem Getriebe 44 ausgerüstet und in analoger Weise wie die Abstellwagen 15 über nicht näher dargestellte Antriebsritzel und Zahnstangen angetrieben. Zur Synchronbewegung der jeweiligen Fingerbühnen 17 und der zugeordneten Abstellwagen 15 sind die Antriebe 43 und 29 steuerungstechnisch gekoppelt. In dem dargestellten Ausführungsbeispiel sind die Fingerbühnen rechteckförmig gestaltet und an geradlinigen Laufschienen 16 geführt. Soweit erforderlich oder vorteilhaft können die Fingerbühnen 17 auch auf einer konzentrischen Kreisbahn zur Bohrlochlängsachse 28 beweglich geführt und z.B. als Fingerbühnendrehkarussell ausgebildet sein.7 shows the finger platforms 17 provided on opposite side regions of the drilling tower 1. The two finger platforms 17 on the left in the drawing are shown in a working position in which the last row of fingers 23 is loaded with drill string trains 11 when the drill string 10 is dismantled. The two finger platforms 17 and storage trolley 15 have already moved into their rear end position in the reinforced working deck area. The finger platforms 17 shown on the right in FIG. 7 are shown in a working position in which the last drill string trains 11 of the row of fingers 23 are removed when a drill string 10 is installed and the finger platforms 17 are thus unloaded. Each finger stage 17 is equipped with a drive 43 and a gear 44 and is driven in a manner analogous to that of the storage trolleys 15 via drive pinions and toothed racks (not shown). For synchronous movement of the respective finger platforms 17 and the associated storage trolleys 15, the drives 43 and 29 are coupled in terms of control technology. In the exemplary embodiment shown, the finger platforms are of rectangular design and are guided on straight running rails 16. If necessary or advantageous, the finger platforms 17 can also be on a concentric circular path to the longitudinal axis of the borehole 28 movably guided and be designed, for example, as a finger stage rotating carousel.

Claims (12)

1. A derrick arrangement with, adapted to be supported on the working deck (3), at least one finger platform (17) or similar drill pipe holding means having adjacently disposed accommodating spaces (23) for storing drill pipe sections (11) of a drilling line (10), and, associated with the finger platform (17) at least one drill pipe standing area and a pivotally movable drill pipe robot (19) comprising gripper arms (22) for feeding the finger platform (17) and the associated drill pipe standing area with drill pipe sections (11) separated from the drilling line (10) or for transferring drill pipe sections (11) from the finger platform (17) to the drilling line (10), characterised in that the finger platform (17) and a carriage (15) adapted to be supported on the working deck (3) and forming the drill pipe standing area are constructed to be movable in synchronism with and in relation to the drill pipe robot (19) which can be fixed on the working deck (3).
2. A derrick arrangement according to Claim 1, characterised in that the finger platform (17) and the associated carriage (15) can by means of a drive (29, 43) comprising control means be moved in relation to the drill pipe robot (19) by an amount corresponding to the finger spacing after the emptying and filling of in each case one row (23) of fingers.
3. A derrick arrangement according to Claim 1 or 2 having working superstructures mounted on the working deck (3), for example a hoisting mechanism (4) or a crane driver's stand (5), characterised in that the finger platform (17) and the associated carriage (15) can, as the rows (23) of fingers are discharged, be propelled in the direction of its working superstructures (4, 5) by means of its drive (29, 43).
4. A derrick arrangement according to one of Claims 1 to 3, characterised in that the carriage (15) is hinged on the working deck (3) and can be moved into a substantially upright inoperative position.
5. A derrick arrangement according to Claim 4, characterised in that the carriage (15) is guided for displacement on the working deck (3) while in its upright inoperative position.
6. A derrick arrangement according to Claim 3, characterised in that between the working deck (3) and the working superstructures (4, 5) mounted thereon there is a space for accommodating the carriage (15) in its inoperative position.
7. A derrick arrangement according to one of Claims 1 to 6, characterised in that in each case at least two adjacently disposed finger platforms (17) with associated carriages (15) are provided in opposite areas of the derrick.
8. A derrick arrangement according to one of Claims 1 to 7, characterised in that the end faces of the finger platforms (17) which are towards the inner part of the derrick and of the carriage (15) and the longitudinal axis (28) of the borehole are at substantially the same distance from the pivoting axis (20) of the drill pipe robot (19).
9. A derrick arrangement according to one of Claims 1 to 8, characterised in that rails (16, 39) for movably supporting the finger platform (17) or carriage (15) are fixed on derrick supports and on the working deck (3).
10. A derrick arrangement according to one of Claims 1 to 9, characterised in that the carriage (15) and the finger platform (17) are disposed on a circular path concentric with the pivoting axis (20) of the drill pipe robot (19).
11. A derrick arrangement according to one of Claims 1 to 10, characterised in that the carriage drive comprising an electric motor (29) with a power supply conductor having a separable plug and comprising drive pinions (42) is disposed in a protected fashion under the supporting surface of the carriage (15).
12. A derrick arrangement according to one of Claims 1 to 12, characterised in that the carriage drive which comprises an electric motor (29) and drive pinions (42) is disposed in a protected state in a drive chamber constructed in the working deck (3).
EP87111744A 1986-09-03 1987-08-13 Device for handling and setting drill pipes in a derrick Expired - Lifetime EP0258705B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3629946 1986-09-03
DE19863629946 DE3629946A1 (en) 1986-09-03 1986-09-03 DERRICK

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EP0258705A3 EP0258705A3 (en) 1989-03-01
EP0258705B1 true EP0258705B1 (en) 1992-04-22

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US (1) US4862973A (en)
EP (1) EP0258705B1 (en)
JP (1) JPS63134783A (en)
KR (1) KR880004196A (en)
CA (1) CA1285930C (en)
DE (2) DE3629946A1 (en)
NO (1) NO873673L (en)

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DE3629946C2 (en) 1988-07-28
EP0258705A3 (en) 1989-03-01
DE3629946A1 (en) 1988-03-10
JPS63134783A (en) 1988-06-07
US4862973A (en) 1989-09-05
JPH0581715B2 (en) 1993-11-15
NO873673L (en) 1988-03-04
KR880004196A (en) 1988-06-02
NO873673D0 (en) 1987-09-01
CA1285930C (en) 1991-07-09
DE3778456D1 (en) 1992-05-27
EP0258705A2 (en) 1988-03-09

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