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EP2438263B2 - Dispositif et procédé de manipulation d'éléments en forme de tige - Google Patents
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EP2438263B2 - Dispositif et procédé de manipulation d'éléments en forme de tige - Google Patents

Dispositif et procédé de manipulation d'éléments en forme de tige Download PDF

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Publication number
EP2438263B2
EP2438263B2 EP10719936.6A EP10719936A EP2438263B2 EP 2438263 B2 EP2438263 B2 EP 2438263B2 EP 10719936 A EP10719936 A EP 10719936A EP 2438263 B2 EP2438263 B2 EP 2438263B2
Authority
EP
European Patent Office
Prior art keywords
rod
shaped component
shaped
drill rod
component
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.)
Active
Application number
EP10719936.6A
Other languages
German (de)
English (en)
Other versions
EP2438263A2 (fr
EP2438263B1 (fr
EP2438263B8 (fr
Inventor
Rupert Köckeis
Hans-Peter Murr
Tobias Stadler
Andreas Beck
Markus Heckendorf
Werner GLÜCK
Georg Streicher
Marco Winter
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.)
Max Streicher & Co KGaA GmbH
Max Streicher and Co KG AA GmbH
Original Assignee
Max Streicher & Co KGaA GmbH
Max Streicher and Co KG AA GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Max Streicher & Co KGaA GmbH, Max Streicher and Co KG AA GmbH filed Critical Max Streicher & Co KGaA GmbH
Publication of EP2438263A2 publication Critical patent/EP2438263A2/fr
Publication of EP2438263B1 publication Critical patent/EP2438263B1/fr
Application granted granted Critical
Publication of EP2438263B8 publication Critical patent/EP2438263B8/fr
Publication of EP2438263B2 publication Critical patent/EP2438263B2/fr
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Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
    • E21B19/15—Racking of rods in horizontal position; Handling between horizontal and vertical position
    • 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 present invention relates to a device and a method for handling rod-like components, in particular for a deep drilling device used either onshore or offshore.
  • Such deep drilling devices can be used, for example, for vertical drilling with a view to developing deposits.
  • the term "deposit” includes, in particular, the occurrence of a substance in liquid, gaseous, or solid form or the presence of energetically usable conditions in geological structures, in particular with regard to crude oil, natural gas, or geothermal energy.
  • the term "rod-like component” is understood below to mean, in particular but not exclusively, components whose longitudinal dimension is greater than their transverse dimension. Such components are preferably tubular and are used, for example, for drilling boreholes.
  • Vertical drilling is primarily used for the exploitation of oil and gas fields and for the extraction of geothermal energy.
  • the principle of the present invention is not limited to use in deep drilling, but can also be used for other drilling devices, for example horizontal drilling devices or inclined drilling devices.
  • a vertical drilling device is known, for example, according to the patent specification EP1387924 B1
  • a method is known in which a plurality of pipes forming a pipe string in the ground are arranged substantially vertically on a drilling platform prior to installation.
  • This patent describes a device and method that ensure that, during the installation or removal of pipes, one of each pair of pipes is securely held by a fastening device.
  • a typical method for vertically arranging the pipes involves a conveyor system that has a gripper and that brings the pipes into the desired vertical position.
  • a drilling mast 1 is mounted on a substructure 2 made of individual segments.
  • a carriage 4, on which a top drive is provided, is movable vertically on the drilling mast 1. If a drill rod 6 is located below the top drive on the carriage 4, this can be inserted into the borehole and a corresponding drilling process can be carried out by the top drive.
  • Adjacent to the substructure 2 and at ground level is a drill rod magazine 8 in which the drill rods to be inserted are stored and on which drill rods removed from the borehole are deposited.
  • the above-mentioned design of the device can prevent the drilling rig or devices located nearby from being damaged or destroyed during transport to the storage device, and can ensure that the rod-like components are deposited in the storage device with greater safety. This allows increased safety to be implemented even when inserting the rod-like components into the storage device.
  • the storage device has at least one conveyor device by which at least two rod-like components can be transported to the transfer device.
  • a rod-like component can be removed by the receiving device, and a further rod-like component can be positioned in the storage device either simultaneously or with a slight time delay by a transport device.
  • the storage device has a plurality of conveyors, so that the rod-like components can be moved by the conveyor in at least two positions each. In this way, tilting of the rod-like components in the storage device can be avoided.
  • a reliable detection of a rod-like component at the predetermined position can be carried out while excluding mechanical errors in a mechanical detection device.
  • the present device is preferably further developed in such a way that the mechanical detection device has a lever preloaded in a recess for a rod-like component, the movement of which triggers a detection signal when the rod-like component is attached.
  • This simple mechanical design allows for the implementation of a cost-effective detection system with a low failure rate.
  • the detection device for contactless detection comprises a light barrier. This allows for the cost-effective implementation of a contactless detection system.
  • the length measuring device in addition to the detection device for contactless detection, has a movement device for moving the component inserted in the storage device in its longitudinal direction or for moving the length measuring device in the longitudinal direction of the inserted rod-like component.
  • the rod-like component can be moved to a desired position, which can be determined by the length measuring device, or the exact position of the rod-like component can be determined, so that a receiving device for gripping the rod-like component from the storage device can grip it at the desired relative position with respect to its longitudinal direction.
  • the length measuring device has a control device by which the movement device can be controlled, so that the rod-like component is arranged in the storage device to be gripped by a receiving device at a defined location.
  • the length measuring device, movement device, and control device can interact to bring about a defined state for receiving by the receiving device.
  • a device for handling rod-like components on a drilling rig preferably corresponding to the aforementioned basic structure, which device has a receiving device by which the rod-like component can be received by several, preferably two, pairs of gripper arms.
  • a receiving device can have a detection lever for the rod-like component in the receiving device, the pivot point of which is fixed with respect to a gripper arm. In this way, reliable detection of rod-like components with different diameters can be implemented in the receiving device.
  • a control device can be provided that allows operation of the receiving device only when a rod-like component is detected in the receiving device. This reduces the frequency of errors and prevents accidents.
  • a pressure detection device for the hydraulic control pressure or closing pressure for closing the gripper arms can be provided on the receiving device, wherein the control device permits movement of the receiving device only when the rod-like component is detected in the receiving device and at the predetermined detected control pressure. In this way, it can be ensured that movement of the rod-like component can take place not only when the rod-like component is detected in the receiving device, but also only when a desired holding pressure for the rod-like component is applied by the receiving device, thus reducing the susceptibility to errors of the overall system.
  • one or more gripper arms are provided with a detection lever, wherein the gripper arm(s) are preferably arranged opposite the receiving opening for the rod-like component. This prevents the presence of the rod-like component in the receiving device from being incorrectly detected if the front pair of gripper arms only loosely grips the rod-like component, thus making safe transport of the rod-like component impossible.
  • the invention further provides a device for handling rod-like components on a drilling rig, preferably with the basic structure, which comprises a detection device for the rod-like component on a lifting device arranged above the borehole.
  • a device for handling rod-like components on a drilling rig preferably with the basic structure, which comprises a detection device for the rod-like component on a lifting device arranged above the borehole.
  • the above-mentioned device is preferably further developed in such a way that the detection device a mechanical lever attached to the lifting device and pivotable in a plane perpendicular to the lifting device, which triggers a detection device for the presence of the rod-like component in the lifting device. In this way, detection can be carried out using simple mechanical means.
  • the aforementioned device is preferably further developed in such a way that the detection device has a hydraulic pressure sensor for ensuring the closed state of the lifting device. This allows an assessment of the insertion of the rod-like component based on the state of the lifting device. It is particularly preferred if this is provided in addition to the mechanical lever, because in this way, the presence of the rod-like component in the lifting device can be determined based on two detection signals.
  • the detection device comprises a switch for detecting the closed holding device for the rod-like component on the lifting device. This further increases safety, since the closed state of the lifting device can be detected as an alternative or in addition to the aforementioned detection device for the hydraulic pressure.
  • the aforementioned device can be further developed in such a way that it has a receiving device for the rod-like component, through which the rod-like component can be transferred to the lifting device and which can be moved upwards by the lifting device.
  • a control device is additionally provided which only permits movement of the lifting device with the rod-like component independent of the receiving device after the receiving device has been lifted above the rod-like component by the lifting device. In this way, it can be determined through a mechanical coupling between the lifting device via the rod-like component and the receiving device that the rod-like component is being securely held by the lifting device above the borehole. As a result, it is possible to release the receiving device from the rod-like component with a high degree of reliability, without the risk of the rod-like component moving downwards in an uncontrolled manner.
  • the present invention further relates to a device for handling rod-like components on a drilling rig, preferably with the basic structure described above, wherein a detection device for the position of the receiving device and a control device are provided which allows opening of the receiving device with inserted rod-like components only above the storage device, preferably directly above or on this and adjacent to a lifting device above the borehole. In this way, release of the rod-like component on the receiving device outside the desired area can be prevented, thus increasing the safety of the drilling rig.
  • control device preferably in a region outside the position above the storage device and preferably in a region adjacent to a lifting device above the borehole, allows a hydraulic pressure to be maintained for holding the rod-like component to the receiving device. In this way, losses can be compensated for without causing an undesired release of the rod-like component.
  • a device for handling rod-like components on a drilling rig is further provided, preferably corresponding to the basic structure with two guide elements, preferably designed as a double cone, for the rod-like component, by means of which the rod-like component located above the borehole in a guide or centering device can be centered with respect to a rod-like component located in the borehole.
  • Such centering prevents the uncontrolled placement of a rod-like component on a work platform or on a rod located in the borehole.
  • it also allows for the automatic screwing of several rod-like components above the borehole.
  • the guide elements can be moved synchronously toward each other. This control allows for precise predetermination of the position of the rod-like component and requires minimal equipment complexity.
  • a device for handling rod-like components on a drilling rig is further provided, preferably corresponding to the basic structure, which device has a lifting device located above the borehole and a control device that can be controlled by the lifting device, so that after an upward movement of the lifting device with rod-like components located in the borehole, securing wedges can be removed, the removal of the wedges can be confirmed, and a further lowering or lifting of the rod-like component into or out of the borehole can take place.
  • a controlled introduction of rod-like components into the borehole or removal of the rod-like components from the borehole can be implemented with a high degree of safety.
  • Fig. 2 shows a perspective view of a drilling insert 20 in which the device for handling rod-like components and the inventive method for handling rod-like components can be implemented. It should be noted that in the representation of the drilling rig in Fig. 2 A representation was chosen that depicts elements of the drilling rig and its surroundings relevant to the handling of rod-like components. However, a drilling rig, for example for deep drilling, also has additional units, such as a generator, electrical control units, electrical power distribution modules, pressure accumulators, and the like.
  • a Fig. 2 not shown blowout preventer and a Fig. 2 A trip tank may be provided in the substructure.
  • the substructure is located on the borehole to be drilled, which continues into the work platform 32 provided above the substructure in the borehole 30. Also arranged on the work platform are a control cabin 34 and a crane 36 for handling objects on the work platform 32.
  • the preferably modularly constructed drilling mast 24 Adjacent to the borehole 30 in the longitudinal direction X, as described above, is the preferably modularly constructed drilling mast 24, which in the illustrated embodiment has two interconnected drilling mast segments. Attached to the drilling mast 24 in its longitudinal direction Z, which runs perpendicular to the longitudinal direction X and the transverse direction Y, are toothed racks 38 and guide rails, along which a feed carriage 40 can be moved. At least one gear on the feed carriage 40 is driven by at least one feed motor. Furthermore, holding brakes are formed on the feed carriage, via which the feed carriage 40 can be fixedly arranged on the drilling mast 24.
  • the feed carriage further includes a top drive 42 with a receiving device for attaching a drill rod, as well as a rod shaft 44 with an attached elevator 46 for lifting drill rods.
  • the elevator is used for rapid installation and removal of the drill rod relative to the borehole.
  • the elevator is pivoted away from a connecting line between the top drive and the borehole 30.
  • Fig. 2 Not shown is a screwing device, by means of which drill rods are connected to each other at the borehole can be screwed together.
  • a drill rod already in the borehole is held to the work platform by wedges (not shown).
  • the additional drill rod is positioned vertically above the borehole on the drill rod inserted into the borehole via the pipe handler 26 or the drill rod handling device 26 and screwed to the drill rod in the borehole by means of the screwing device.
  • the installation of the drill rods is monitored via the control cabin 34.
  • a multitude of monitoring and correction processes were previously necessary, from the insertion of the drill rod into the drill rod magazine 28 to the screwing of the drill rod to another drill rod located in the borehole 30.
  • the present invention proposes a multitude of measures to reduce these monitoring and correction processes to a minimum or to eliminate them entirely, so that the operating personnel in the control cabin 34 can concentrate on the tasks associated with creating the borehole or removing drill rods from it, without the focus of their activity being on monitoring the drill rod transport.
  • a rotary crane is used to form stacks of drill rods. From this drill rod stack, the drill rods are then transported via another rotary crane, which is an exemplary embodiment of the transport device described below, from the stack to the drill rod magazine 28, in which the drill rods are deposited for collection by the drill rod handling device 26.
  • Various safety aspects must be taken into account during transport with the additional crane. First of all, it must be ensured that the drill rods may only be released by the additional crane above the drill rod magazine 28 when the drill rod has been deposited.
  • a further possibility is to provide a detection device on the drill rod magazine 28, the output signal of which causes the drill rod to be released on the second crane.
  • This additional detection device can be provided as an alternative or in addition to the device for detecting the unloading on the transport device.
  • the drill rod can only be released from the second crane above the storage device if the holding device for the drill rod on the second crane is located in a predetermined spatial area above the storage device.
  • only a predetermined area above the storage device and towards the stack from which the drill rods are removed by the second crane can be provided for the movement of the drill rod by the second crane. Movement of the drill rod out of this area is prevented by blocking the corresponding translational or rotational movement of the second crane. This latter measure allows the speed of drill rod transport from the stack to the drill rod magazine to be increased while simultaneously ensuring a high level of safety.
  • the error rate can be significantly reduced according to the present invention.
  • the present invention is not limited to the second crane transporting only one drill rod at a time to the storage device, but two or more rods can be transported by the second crane as required.
  • the The drill rods loaded into the drill rod magazine 28 are separated in such a way that they can be individually grasped by a gripper 48 provided on the drill rod handling device 26 and arranged above the borehole 30.
  • a gripper 48 provided on the drill rod handling device 26 and arranged above the borehole 30.
  • the longitudinal extent X' of the drill rod magazine 28 runs parallel to the longitudinal direction of the arrangement of the borehole center 30 and the center of the drilling mast 24. In this way, the separated drill rod can be grasped from the drill rod magazine 28 by the gripper in the immediate vicinity of the substructure 22, from which the drill rod magazine 28 is a short distance away, and transported to the intended position with minimal space requirements.
  • the boring bar magazine 28 has, according to the design, Fig. 3 three conveyor devices 50a, 50b and 50c, each extending in the transverse direction Y and each having a transfer device which is arranged in Fig. 3 is designed as a transfer trough 51a, 51b, 51c and has a respective conveyor chain 54a, 54b, 54c.
  • the conveyor devices 50a, 50b, 50c run parallel to one another and their transfer troughs 51a, 51b and 51c are aligned with one another.
  • drill rods mounted on the conveyor chains 54a, 54b, 54c can be conveyed by the conveyor chains in the transverse direction Y.
  • a separating device is triggered, which can be a cylinder, for example, so that the movement of an individual drill rod into the transfer trough 51a, 51b, 51c is enabled.
  • the arrangement of the gripper 48 of the drill rod handling device is preferably carried out in such a way that the gripper 48 can engage in a section between two of the three conveyor devices 50a, 50b, 50c and can grip the drill rod. In the embodiment of Fig. 3 These are the conveyor devices 50a and 50b.
  • the gripper 48 with the drill rod then rotates in such a way that the drill rod reaches a vertical position with the shorter end of the drill rod pointing downward. This ensures that a minimum stroke for the gripper 48 is sufficient to position the drill rod above the borehole 30, thus preventing contact with other components of the drilling rig.
  • Carriers are preferably arranged on the conveyor chain, which can transport one or a specific number of drill rods on the conveyor chain to the transfer chute 51a, 51b, 51c.
  • a drill rod As an alternative to using a separating device on the conveyors, it is possible for a drill rod to be inserted directly into the transfer chute by the second crane, or for predetermined compartments, such as predetermined chambers, to be provided on the conveyor chain, each of which can accommodate only one drill rod. This allows for the drill rod to be safely inserted into the transfer chute 51a, 51b, 51c during further transport by the size of one chamber.
  • the present invention is not limited to a transfer chute 51a, 51b, 51c, but can also be used when using any transfer device.
  • Fig. 5 discloses the top view of a conveyor device 50d, which instead of the conveyor device 50a in Fig. 3 can be used.
  • the conveyor devices 50b and 50c are then designed in a correspondingly comparable manner.
  • the conveyor device has a transfer device 51d which is roller-shaped.
  • the roller is preferably formed by a double cone whose sections with a smaller diameter are connected to one another.
  • Such a transfer device 51d in roller form makes it possible for a drill rod to be placed thereon for reception by the gripper 48.
  • the drill rod can be transported in the longitudinal direction X' and thus the drill rod can be aligned so that gripping by the gripper 48 in a defined position is facilitated.
  • the separation of the drill rods can also be triggered by a corresponding forward movement of the conveyor chain.
  • the position of the drill rod is recorded beforehand.
  • the detection device 58 shown in the perspective view has an angle lever 60 which is actuated by the insertion of a drill rod into a recess 62 in the holder for the angle lever 60 in Figure 6 is pressed downward.
  • a switch flag 66 is attached to this angle lever 60 and is movable with it. When this switch flag 66 comes close to a sensor 68 attached to the holder 66, this sensor 68 is triggered and emits a signal indicating the presence of the drill rod in the recess 62.
  • the angle lever 60 is preloaded by a spring 70 in such a way that it projects into the recess 62.
  • the aforementioned detection device 58 is not limited to indicating the presence of a drill rod in the transfer chute.
  • FIG. 7 In the top view of Figure 7 is a variant of the design of the boring bar magazine 28 of Figure 3 displayed in which a variety of recording devices 58a-g are arranged both between the conveyor devices 50a, 50b, 50c and outside of them. The distance between the detection devices 58a-g is determined by a stop 72, which is Figure 7 on the right-hand side.
  • the two detection devices 58g and 58f which are provided outside the area between the conveyor devices 50a, 50b and 50c, are intended for the case that, for example, the drill rod is positioned too far out of alignment.
  • the corresponding detection devices 58a-g are triggered depending on the drill rod length. Due to the arrangement of the drill rod in the transfer chute 51a, 51b, 51c, either the drilling gripper 48 can grip the drill rod in one position or the stroke of the gripper 48 can be adjusted accordingly so that a suitable transfer to the elevator on the drilling mast can take place.
  • an error message can be generated.
  • An error message can also be generated if signals from proximity switches or detection devices are detected, which is not possible if they are triggered together when inserting a continuous drill rod.
  • FIG. 5 A light barrier 74 is shown, which triggers a detection signal when the boring bar is applied to the transfer device 51d.
  • the use of a light barrier 74 is particularly advantageous in connection with the translational movement of a boring bar in the transfer device.
  • the boring bar can be set to the exact position in which, for example, after the boring bar has been detected by the light barrier, it is no longer in the light barrier. In this way, a predefined position of the boring bar can be provided in the boring bar magazine 28, thus enabling it to be picked up by the gripper 48 in a defined position.
  • the drill rod As an alternative to the fixed arrangement of one or more light barriers 74, it is also possible to move the drill rod, for example, via a motor 56 in Figure 5 to move the light barrier. In this way, the drill rod remains in the same relative position in the drill rod magazine, but its position in the drill rod magazine 28 can be predicted with accuracy, thus enabling appropriate actuation of the receiving device and precise positioning of the drill rod above the borehole 30.
  • Figure 8 1 shows a plan view of a drilling rig with the drill rod magazine 28, in which a drill rod 76 is held by the gripper 48 in the longitudinal direction X above the drill rod magazine 28 and in which the light barrier 74 is shown. From this plan view, it can be seen that due to the parallel arrangement of the longitudinal direction X of the drilling rig and the longitudinal direction X' of the drill rod magazine, a space-saving arrangement of the drill rod magazine 28 next to the substructure is possible and the gripper 48 and the drill rod 76 can grip without movement in the transverse direction Y and can pivot towards the borehole 30 with little space requirement.
  • the drill rod handling device 26 which is also referred to below as the receiving device, has a guide frame 80, a lifting carriage 82, a pivot arm 84, a gripper rotating device 86, and the gripper 48.
  • the guide frame 80 is mounted in a lateral recess 88 of the base 22 and is preferably of modular construction, so that the guide frame 80 can be assembled from several parts.
  • the guide frame 80 In its lower section, in which the guide frame is located in the substructure, it can be attached directly to the substructure. In the area above the work platform 32, the guide frame 80 is attached to a lattice mast 90.
  • both guide surfaces and, for example, racks are provided for moving the lifting carriage on the guide frame in the Z direction.
  • the guide surfaces and the racks can also be arranged in a modular manner.
  • the pivot arm 84 can be pivoted on the lifting carriage 82, preferably by 180° or less.
  • the gripper 48 can be rotated via the gripper rotation device 86.
  • the drill rod magazine 28 be adjacent to the base in such a way that a change in the length of the pivot arm 84 is not necessary to perform the described movement.
  • the present invention increases the safety and/or the degree of automation.
  • Figure 9a shows a side view of the drilling gripper 48 according to the invention in a plane perpendicular to the longitudinal axis of the gripper.
  • Figure 9b shows a lever mechanism for gripping the existing drill rod in the gripper in the front view and
  • Figure 9c shows the top view of the lever arrangement for the gripper according to the invention.
  • the gripper 48 essentially comprises a gripper body 100 and a plurality of Figure 3 four gripper arm assemblies 102 attached thereto. These gripper arm assemblies 102 are Figure 9A operated by hydraulic cylinders 102a, 104b. Each gripper arm assembly has two pairs of gripper arms, which can be moved by the same angular amount under the control of the hydraulic cylinders 104, 104b.
  • Figure 9A A pair of gripper arms 106a, 106b and a pair of gripper arms 108a, 108b are shown. In this Figure 9A In the open position of the gripper 48 shown, the gripper arm 108b belonging to the gripper arm 108a is not visible. When the gripper arm pairs 106, 106b and 108a, 108b are actuated, they move toward a drill rod center point that is independent of the diameter of the drill rod.
  • the lever assembly 110 is provided on the gripper arm 108a.
  • the lever assembly 110 has an element 112 that can be rigidly attached to the gripper arm 108a and a lever 114 that is rotatably attached thereto.
  • the lever 114 is preloaded at its pivot point via a rubber spring element 116 toward the space 118 between the gripper arms for inserting the drill rod.
  • a signal is triggered in a sensor 120 provided on the lever 114 and element 112, which indicates the presence of the drill rod in the gripper 48.
  • the present invention is not limited to a rubber spring element 116; any desired preloading device for the lever in the space 118 between the gripper arms can be provided.
  • the sensor 120 is preferably an inductive proximity switch.
  • the lever is provided on a gripper arm pair 108a, 108b arranged adjacent to the boom 100 in order to avoid misdetection which would occur if it were provided on the outer gripper arm pair 106a, 106b.
  • the object is a safe transfer between the Figure 4 illustrated drill rod handling device 26 and the elevator 46, which represents a lifting device for drill rods above the borehole.
  • Figure 10 shows the elevator 46 with inserted drill rod 76 in more detail.
  • the elevator 46 has two half-shells 130a, 130b, which are hydraulically closed to grip the drill rod 76.
  • a lever 132 is provided above the half-shells 130a, 130b, which is preloaded toward the drill rod 76.
  • the preload can be generated, for example, by a square that is preloaded in one direction by rubber elements.
  • the lever Since the drill rod 76 is pivoted between the half-shells 130a, 130b by the gripper 48, the lever must be arranged in such a way that it is pushed back during the pivoting-in process.
  • a predetermined pressure builds up in the locking cylinders for the half-shells. This pressure can be measured and used, in addition to an actuation signal generated by the lever 132, for example via proximity sensors, to determine the drill rod 76 located in the elevator.
  • the safety brackets 134, 136 provided on the drilling mast are also brought into the locked position when the drill rod is in the elevator, so that regardless of the type of error, the drill rod can be prevented from falling from the drilling mast.
  • the position of the drill rod handling device 26 and/or the gripper 48 be detected before the drill rod is loaded onto the drill rod magazine 26 or released at the elevator 46. This circumstance further increases safety.
  • the circuit arrangement for the hydraulic supply of the drill rod handling device can be designed in such a way that in the area outside the defined spaces for release, only a supply of pressure in the closing direction is possible, for example, to compensate for leaks, but not the opening of the gripper.
  • the drill rod is centered relative to a screwing device above the borehole 30. Furthermore, a secure removal of the wedges should be possible.
  • a rod centering device shown schematically in plan view, is provided above the borehole 30 and a screwing device (not shown).
  • Figure 11 a whose individual element in Figure 11b is shown.
  • Such a rod centering device is intended to position a drill rod arranged off-center from the borehole 30 centrally above the borehole.
  • the rod centering device 140 has two centering elements 142a, 142b, of which the centering element 142a is shown in the perspective view in Figure 11b
  • the centering element 142a has a guide element 144a that is rotatably mounted in a fork 146a and is preferably designed as a double cone with a groove between the small diameters of the cone.
  • the fork 146a is actuated by a hydraulic cylinder 148a and held in constant alignment by two guide rods 150a.
  • Two of these centering elements 142a, 142b are arranged opposite one another and are subjected to hydraulic pressure in a path-synchronized manner. In this way, the drill rod is positively guided over the borehole 30.
  • the rod centering device 140 is used after the drill rod has been detected in the elevator 46 and before it is screwed to another drill rod located in the borehole 30.
  • the inserted drill rod is screwed to the drill rod located in the borehole 30.
  • the top drive is then moved upwards with the drill rod.
  • the wedges used to wedge the drill string located in the borehole 30 are then removed, and a detection device detects that the wedges have been removed. Only after this detection signal is the drill rod, last inserted by the drill rod handling device 26, lowered into the borehole. During this lowering, force detection can be performed to detect any wedges still located in the borehole. If such an obstacle is detected, the top drive can be shut down in an emergency.
  • the present invention is not limited to the insertion of a drill rod into a borehole, but can also be carried out in the opposite direction, with the recording procedure being reversed. To better compare the installation and removal processes, the installation and removal methods are described below.
  • the installation process is described. After the length of the drill rod is recorded in the drill rod magazine, the drill rod is picked up by the drill rod handling device. If the existing drill rod is detected in the drill rod handling device and, optionally, the corresponding hydraulic pressure is applied, the drill rod handling device moves to the waiting position. Upon receiving a corresponding installation signal, the drill rod handling device pivots to the transfer position, while the top drive moves to the takeover position. The elevator is pivoted in and closed. The "Elevator closed" signal is generated depending on the sensor signals mentioned, and the drill rod is detected in the elevator. If a drill rod is detected in the elevator, the top drive moves upwards. If the drill rod handling device moves with it, it is detected and decelerated. of the top drive, followed by the opening of the gripper of the drill rod handling device. The gripper of the drill rod handling device then pivots toward the drill rod magazine to receive a new rod.
  • the top drive is first pulled upwards, and the wedges above the borehole are opened.
  • the wedge opening signal is given, the top drive is moved downwards, and the rods are re-attached to the wedges.
  • the elevator is then opened and its open position is confirmed. This is followed by the elevator swinging out, and with the elevator still in the swing, the top drive is moved upwards to the waiting position. Further rod installation is then possible.
  • the elevator moves upwards to relieve the wedges, the wedges are opened, and the top drive moves upwards by one rod length.
  • the drill string is suspended in the wedges.
  • the drill string is then unscrewed.
  • the grab then pivots in.
  • the grippers of the drill rod handling device are closed, and when a drill rod is detected in the drill rod handling device, the elevator is opened and pivoted away. With the elevator pivoted out, the top drive is pulled upward, the gripper pivots out, and the rod is deposited in the drill rod magazine. If a signal is generated that no drill rod is present in the gripper and the rod is present in the drill rod magazine, the drill rod gripper is moved to the waiting position and the top drive is moved down to the receiving position to prepare for the removal of additional rod.
  • a further device and a further method for handling rod-like components can be provided.
  • This device and this method relate to the removal of the drill rods and the provision of the drill rods with caps, respectively.
  • the drill rod handling device can be provided, for example, adjacent to the gripper, with a drilling fluid receiving device, for example, a trough-shaped element.
  • a drilling fluid receiving device for example, a trough-shaped element. This trough-shaped element allows pipe fluid to escape from the drill rod when the drill rod is removed and prevents the work platform 32 and the surrounding area from becoming contaminated with drilling fluid.
  • a device is provided on the drill rod magazine that provides protective caps to either one or both sides of the drill rods loaded into the drill rod magazine. This makes it possible to avoid manual work by the operating personnel.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Claims (13)

  1. Dispositif pour la manipulation de composants en forme de barre dans une installation de forage (20), comprenant
    un système de stockage (28) pour composants en forme de barre, dans lequel des composants en forme de barre (76) peuvent être stockés,
    un système de levage, qui comprend un chariot de levage (82), un moyen de guidage (80) pour guider le chariot de levage (82) et un entraînement pour déplacer le chariot de levage (82),
    un moyen de réception (48) monté sur le chariot de levage (82) pour recevoir un composant en forme de barre (76) du système de stockage (28),
    caractérisé par un moyen de détection (132) pour le composant en forme de barre, au niveau d'un moyen de levage (46) agencé au-dessus du trou de forage (30),
    caractérisé en ce que le moyen de réception (48) est capable de pivoter, par référence au chariot de levage (82), dans un plan perpendiculaire à la direction de déplacement (Z) du chariot de levage (82) d'une telle manière que le composant en forme de barre (76) est susceptible d'être agencé au-dessus d'un trou de forage (30).
  2. Dispositif pour la manipulation de composants en forme de barre dans une installation de forage (20) selon la revendication 1, comprenant un système de stockage (28) pour composants en forme de barre, qui comprend au moins un moyen de transfert (51a, 51b, 51c, 51d) pour le prélèvement individuel du composant en forme de barre (76) par un moyen de réception (48), dans lequel ledit composant en forme de barre
    a) ou bien est susceptible d'être introduit par un moyen de transport pour le transport des composants en forme de barre (76) vers le système de stockage (28),
    b) ou bien est susceptible d'être introduit au niveau du système de stockage (28) par un moyen d'individualisation, prévu au niveau du système de stockage (28), en fonction d'un signal de détection pour la position du composant en forme de barre (76).
  3. Dispositif pour la manipulation de composants en forme de barre dans une installation de forage selon la revendication 1 et/ou 2, comprenant un système de stockage (28) qui comprend un moyen (58) pour mesurer la longueur du composant en forme de barre (76), dans lequel le moyen de mesure de longueur (58)
    a) ou bien comprend au moins deux organes de détection mécaniques (58a, 58b) au moyen desquels le composant forme de barre introduit (76) ou respectivement la position relative de celui-ci par référence au système de stockage (28) sont susceptibles d'être détectés,
    b) ou bien comprend un organe de détection (74) pour la détection sans contact du composant en forme de barre (76) à une position prédéterminée.
  4. Dispositif pour la manipulation de composants en forme de barre dans une installation de forage selon l'une ou plusieurs des revendications 1, 2 et 3, comprenant un moyen de réception (48), au moyen duquel le composant forme de barre est susceptible d'être reçu avec plusieurs paires de bras de préhension (106a, 106b ; 108a), et qui comprend un levier de détection (114) pour le composant en forme de barre dans le moyen de réception, dont le centre de rotation est stationnaire par référence à un bras de préhension (108a).
  5. Dispositif pour la manipulation de composants en forme de barre dans une installation de forage selon l'une ou plusieurs des revendications 1 à 4, comprenant
    un moyen de détection pour la position du moyen de réception (48) et
    un dispositif de commande, qui permet une ouverture du moyen de réception (48) avec un composant en forme de barre introduit (76) uniquement au-dessus du système de stockage (28) et au voisinage d'un moyen de levage (46) au-dessus du trou de forage.
  6. Dispositif pour la manipulation de composants en forme de barre dans une installation de forage selon l'une ou plusieurs des revendications 1 à 5, comprenant
    un dispositif de levage qui se trouve au-dessus du trou de forage, et
    un dispositif de commande au moyen duquel le dispositif de levage peut être piloté de telle façon qu'après un mouvement montant du dispositif de levage avec des composants en forme de barre qui se trouvent dans le trou de forage, des coins de sécurité peuvent être enlevés, l'enlèvement des coins est confirmé et il se produit une poursuite de la descente des composants en forme de barre dans le trou de forage ou une poursuite du levage des composants en forme de barre hors du trou de forage.
  7. Procédé pour la manipulation de composants en forme de barre dans une installation de forage, comprenant les étapes consistant à
    stocker au moins un composant en forme de barre dans un système de stockage, et
    recevoir un composant en forme de barre depuis le système de stockage par un moyen de réception monté sur un chariot de levage, ledit chariot de levage formant, avec un moyen de guidage destiné à guider le chariot de levage et un entraînement pour déplacer le chariot de levage, un système de levage,
    caractérisé par l'étape consistant à
    faire pivoter le moyen de réception par référence au chariot de levage dans un plan perpendiculaire à la direction de déplacement du chariot de levage, d'une manière telle qu'un composant en forme de barre est susceptible d'être agencé au-dessus d'un trou de forage, et
    détecter le composant en forme de barre par un moyen de détection sur un moyen de levage agencé au-dessus du trou de forage.
  8. Procédé pour la manipulation de composants en forme de barre dans une installation de forage selon la revendication 7, comprenant l'étape consistant à
    a) introduire un composant en forme de barre dans un moyen de transfert pour le prélèvement individuel du composant en forme de barre par un moyen de réception à l'aide d'un moyen de transport pour le transport des composants en forme de barre jusqu'à un système de stockage pour composants en forme de barre, ou bien
    b) introduire un composant en forme de barre dans un moyen de transfert pour le prélèvement individuel du composant en forme de barre par un moyen de réception à l'aide d'un dispositif d'individualisation prévu au niveau du système de stockage, en fonction d'un signal de détection pour la position du composant en forme de barre dans le système de stockage.
  9. Procédé pour la manipulation de composants en forme de barre dans une installation de forage selon l'une ou plusieurs des revendications 7 et 8, comprenant l'étape consistant à mesurer la longueur du composant en forme de barre dans un système de stockage, dans laquelle
    a) ou bien on détecte respectivement le composant forme de barre introduit grâce à au moins deux organes de détection mécaniques,
    b) ou bien on détecte sans contact le composant en forme de barre à une position prédéterminée, à l'aide d'un moyen de détection.
  10. Procédé pour la manipulation de composants en forme de barre dans une installation de forage selon l'une ou plusieurs des revendications 7 à 9, comprenant l'étape consistant
    à recevoir le composant forme de barre avec plusieurs paires de bras de préhension d'un moyen de réception,
    et à détecter le composant forme de barre dans le moyen de réception via un levier de détection dont le centre de rotation est stationnaire par référence à un bras de préhension.
  11. Procédé pour la manipulation de composants en forme de barre dans une installation de forage selon l'une ou plusieurs des revendications 7 à 10, comprenant l'étape consistant à
    détecter la position du moyen de réception via un moyen de détection, et
    permettre l'ouverture du moyen de réception avec un composant en forme de barre introduit uniquement au-dessus du système de stockage et au voisinage d'un moyen de levage au-dessus du trou de forage par un dispositif de commande.
  12. Procédé pour la manipulation de composants en forme de barre dans une installation de forage selon l'une ou plusieurs des revendications 7 à 11, comprenant l'étape consistant à centrer le composant en forme de barre qui se trouve sur un moyen de levage au-dessus du trou de forage, par référence à un composant en forme de barre qui se trouve dans le trou de forage, via deux galets de guidage pour le composant en forme de barre.
  13. Procédé pour la manipulation de composants en forme de barre dans une installation de forage selon l'une ou plusieurs des revendications 7 à 12, comprenant l'étape consistant à piloter un moyen de levage qui se trouve au-dessus du trou de forage via un moyen de commande, de sorte qu'après un mouvement montant du dispositif de levage avec des composants en forme de barre qui se trouvent dans le trou de forage des coins de sécurité peuvent être enlevés, l'enlèvement des coins est confirmé et il se produit une poursuite de la descente des composants en forme de barre dans le trou de forage.
EP10719936.6A 2009-05-07 2010-05-06 Dispositif et procédé de manipulation d'éléments en forme de tige Active EP2438263B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009020222A DE102009020222A1 (de) 2009-05-07 2009-05-07 Vorrichtung und Verfahren zur Handhabung von stangenartigen Bauteilen
PCT/EP2010/056210 WO2010128119A2 (fr) 2009-05-07 2010-05-06 Dispositif et procédé de manipulation d'éléments en forme de tige

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EP2438263A2 EP2438263A2 (fr) 2012-04-11
EP2438263B1 EP2438263B1 (fr) 2016-03-30
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CA (1) CA2760324C (fr)
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Publication number Publication date
US20120097454A1 (en) 2012-04-26
US8910719B2 (en) 2014-12-16
DE102009020222A1 (de) 2010-11-11
CA2760324C (fr) 2017-02-14
CA2760324A1 (fr) 2010-11-11
WO2010128119A2 (fr) 2010-11-11
EP2438263A2 (fr) 2012-04-11
WO2010128119A3 (fr) 2011-01-13
EP2438263B1 (fr) 2016-03-30
EP2438263B8 (fr) 2016-05-25

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