EP1108110B1 - Bohrvorrichtung und verfahren zum abteufen einer bohrung - Google Patents

Bohrvorrichtung und verfahren zum abteufen einer bohrung Download PDF

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Publication number
EP1108110B1
EP1108110B1 EP99952442A EP99952442A EP1108110B1 EP 1108110 B1 EP1108110 B1 EP 1108110B1 EP 99952442 A EP99952442 A EP 99952442A EP 99952442 A EP99952442 A EP 99952442A EP 1108110 B1 EP1108110 B1 EP 1108110B1
Authority
EP
European Patent Office
Prior art keywords
pipe
drilling
carrier device
disposed
rotary head
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
EP99952442A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1108110A2 (de
Inventor
Thorsten Dirks
Johannes Moss
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.)
THORSTEN DIRKS
Original Assignee
Bentec Drilling and Oilfield Systems 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
Application filed by Bentec Drilling and Oilfield Systems GmbH filed Critical Bentec Drilling and Oilfield Systems GmbH
Publication of EP1108110A2 publication Critical patent/EP1108110A2/de
Application granted granted Critical
Publication of EP1108110B1 publication Critical patent/EP1108110B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/20—Combined feeding from rack and connecting, e.g. automatically
    • 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
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • 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
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E21B3/022—Top drives

Definitions

  • the invention relates to a drilling device for a drilling rig or Drilling rig used for exploration and production drilling, particularly on Hydrocarbon deposits can be used.
  • This drilling device can both onshore and offshore. Furthermore, this concerns Invention a method for sinking such a hole.
  • Modern drilling rigs consist of a variety of Components, such as a lift (Drawworks), a power screwing device (Iron roughneck), a work platform (rig floor), a boom handling system (Pipe handler), a pipe rack (pipe rack), a crown store (crown block) with a block and tackle (Traveling block) and a power turret (Top drive) as well as a pipe ramp and a catwalk for the Drill pipe and various auxiliary devices for handling.
  • Such drilling rigs have the disadvantage that they consist of a large number of Components exist due to the constant change in the drilling location of the Drilling rigs a complex and expensive logistics as well as extensive staff need.
  • the individual components with regard to their Space requirements are not coordinated, so that a relatively large drilling site is required, which is often not available (off-shore) or very expensive is.
  • US 5,018,588 describes an anchor drilling rig for the introduction of Ground anchors, as used in the civil engineering industry for the protection of Embankments and pile walls are used.
  • That revealed Anchor drilling rig has a caterpillar undercarriage on which a Slewing ring sits on an upper part of the device.
  • This drill carriage consists of a support frame, a drill drive and two Grippers in which a boring bar can be held.
  • the anchor drilling rig is like other anchor drilling rigs (e.g. EP 0 379 187 A1), only suitable for installing earth anchors in the course of civil engineering work. These anchor holes only extend a few meters deep into the ground or the rock and have only small rod lengths up to a maximum of 6 m and Boom diameter up to a maximum of 176 mm (column 1, lines 62 to 64). To the Drilling of exploration and production wells, as exemplified in the Anchor drilling rigs of this type are completely required for the oil and gas industry not suitable.
  • the object of this invention is to propose a drilling device for exploration and production drilling, a drilling rig and a method with which decisive cost savings in terms of logistics and personnel costs can be achieved.
  • the object of the invention is achieved by claims 1, 16, 21, 25 and 26. Further advantageous embodiments of the invention are specified in the subclaims.
  • the drilling device according to the invention for exploration and production bores consists of a support device, on or in which, by means of a guide, a rotary power head which can be displaced axially to the longitudinal axis of the support device, a multifunctional gripper which can be moved perpendicular to the support device and which guides and engages the drill pipe, the support device itself is rigid, preferably pivotable and / or rotatably mounted.
  • An intermediate piece or a turntable is connected to the carrying device, the intermediate piece or the turntable being arranged directly at the foot of the carrying device.
  • Drilling device is created that is exceptionally space-saving and that Linkage can act independently.
  • the power turret consists of the actual drive to close the linkage turn and from a handling device, which the linkage with the Drive shaft of the actual drive connects.
  • This handling facility is located below the actual power turret. Is optional on the Power turret a screwing and locking device arranged.
  • the power turret is arranged on a receiving frame, for example by means of a rope, which can also be reeved several times, with the elevator connected is.
  • the receiving frame is used for example by means of guide rollers a linear guide moved parallel to the longitudinal axis of the support device.
  • the Linear guide can be connected to the carrying device both outside and inside his.
  • the power head can be moved with the mounting frame in a linear guide educated.
  • the mounting frame for the power turret can be in or on the Support device may be arranged.
  • the tour can be carried out, for example Slide rail and slide pieces as well as by racks and pinions or Guide rollers and guide rails are guaranteed as possible
  • linear drives are hydraulic and hydraulic drives Drives or several chain hoists are conceivable, but also more linear drives, that result from technological progress could be built in.
  • Another option is a cable or a pulley combination a elevator, a block and tackle block, a dead anchor, one Reserve rope drum and a crown block (bearing).
  • the support device is formed in a box structure, for. B. if it is swiveling, in a kind of swing arm, the bearing of the foot of the Support device can be on, in or below the work platform.
  • Another One possibility is the installation of the carrying device including the foot on one Carrier vehicle, such as B. a mobile workover system.
  • the floor i. H. the terrain surface become.
  • the work platform is the Drilling device with a substructure consisting of substructure boxes and / or Underpinning supports or other standard solutions (slingshot etc.) can exist, connected.
  • the slewing ring has the drilling device according to the invention a passage through which a rope is guided, which the power turret above a crown bearing with the elevator combines.
  • the passage is preferably in the middle of the intermediate piece or of the slewing ring arranged for optimal rope guidance during operation to ensure the drilling device.
  • Another embodiment provides that in the lower area of the support device a power screwing device is arranged just above the work platform, which serves to counter and break.
  • the power screwing device can be pivoted and / or moved on the Support device may be arranged. Alternatively, there is a possibility that the Power screwing device can be moved or swiveled on the work platform can be arranged.
  • a holding device z. B. to Interception of the drill pipe or drill pipes (casings) attached.
  • the drilling device can also be moved in a further embodiment be arranged.
  • the borehole head can be moved by moving it from the center of the borehole (Wellhead) be made accessible, in particular to put on and take off heavy preventive stacks.
  • the Drilling device must be adjusted opposite the center of the borehole (center line).
  • several can be arranged side by side and for example vertically placed boom storage can be taken from the boom.
  • this advantageous embodiment creates the possibility of the drilling device for row bores (cluster bores) z. B. offshore from Move hole to hole.
  • the support devices are free-standing, which means that no additional Steel structure must be attached to the work platform in order to Stabilize support devices.
  • a Steel structure for example on the work platform to install, creating a Lightweight construction of the support device is made possible because of such an additional structure would increase the rigidity and achieve high bending rigidity.
  • the Main forces can be derived in such a steel structure.
  • this additional steel structure would be in the upper area a holding device, preferably a locking unit, can be arranged, which both a pivotable and rotatable support device in a defined would hold position.
  • This locking device can be a hollow cylinder be designed to which a flushing hose is connected and to which a Valve is arranged to ensure the flushing supply.
  • the Flushing hose, the flushing is carried out on or in the carrying device or on supplied to the additional steel structure arranged riser.
  • the Locking device it is advantageous in the Locking device to integrate the flushing supply, so that quasi the rinsing is available automatically and without any further work step.
  • the power turret is in a preferred embodiment around a parallel axis Support device rotatably arranged. This means you have to pick up a boom only part of the drilling device and thus a lower load can be moved.
  • the slewing ring can be saved.
  • the Power turret on a long side of the mounting frame by means of a hinge articulated and in the non-rotated state, such as. B. during the drilling process, locked. The lock is released at the beginning of the turning process.
  • the Rotational movement is preferably by means of a hydraulic cylinder or by a or several servomotors.
  • a further embodiment provides for a freely hanging flushing hose on the free-standing support or on the additional steel structure to arrange.
  • Lifting device To erect the support structure from the horizontal to the vertical is one Lifting device provided, which consists of one or more hydraulic or Pneumatic cylinders exist. A winch can also be used instead of a cylinder become. This makes drilling at an angle of 5 to 90 degrees Allows the top of the terrain.
  • the structure can also be sectioned with the help of a Cranes can be carried out if no cylinders or winches are installed.
  • a particularly advantageous embodiment provides that in the lower area Carrying device is arranged a winch, the rope via a pulley with the Mounting frame on which the power turret is located is attached. Above the Winch is the fixed role of the cable.
  • This winch is operated by means of a Drive unit, preferably from an electric motor with a downstream Gearbox, driven.
  • Other drives such as. B. hydraulic drive possible.
  • a preferred embodiment of the invention provides that on the work platform Drilling means for pivoting the support device are arranged, wherein this preferably consists of a pivot bearing with a bolt and a Connection element to the carrying device and a lifting device exist, unless it is set up with the help of a crane.
  • Such a drilling device is able to drill holes in to submerge different angles or also, especially with smaller ones Drilling devices to pick up the linkage independently and actively without a special boom handling device is required.
  • Another advantageous development of the invention provides that in addition to and / or an independent one next to the work platform or next to the carrying device Handling device is arranged, which preferably consists of a trolley, which is slidably arranged on rails.
  • Handling device which preferably consists of a trolley, which is slidably arranged on rails.
  • the car Boom unit arranged, which is advantageously rotatable and / or by means of a Swivel device is pivotally mounted in a vertical plane and from a boom mounting unit and / or at least one holding unit, preferably a gripper.
  • the Drilling device can be automatically and quickly supplied with rods, especially since the boom handling device is able to various boom stocks, especially boom boxes, booms remove and feed to the drilling device.
  • the elevator is installed in one of the sub-boxes.
  • the reserve rope drum can also be accommodated in one of these boxes.
  • the crown camp is in attached to the upper area of the carrying device.
  • the rope is passed through the intermediate piece of the support device to a possible later rotatability of the carrying device not to impair and that To protect the rope when retrofitting a slewing ring.
  • Above the elevator There is a carriage that guides the rope through the intermediate piece supported in the pivot point of the support device.
  • This arrangement will Rope only slightly wound and not subjected to additional stresses when a Turntable is installed later, e.g. B. in combination with a second Drilling.
  • Another advantage of this design is that it is extremely deep The focus of such a drilling device.
  • a further embodiment provides for a small winch in the lower area of the Install support device to the mounting frame of the power turret too pull down, especially when installing a lift as Linear drive is provided, as is also shown in Figure 1.
  • the rope of this small winch is attached to the lower part of the mounting frame or via a deflection roller attached to the mounting frame is guided downwards and attached.
  • a further embodiment provides that one next to the drilling device Linkage storage is arranged, which is vertical and for the rotatable variant for the swiveling variant is arranged horizontally.
  • the boom storage is on the right and to the left of a rail-bound boom handling system.
  • the Boom handling system removes the boom from the vertical Rod storage and conveys it to a defined set Pick-up position.
  • the power screw device perpendicular to Carrier is slidable and / or retracted into the carrier can.
  • the advantage of such a design is that the downhole equipment (Underground equipment) without problems in the borehole can be.
  • a drilling rig is also claimed, which is characterized in that two or more drilling devices are arranged, which alternate over move or rotate or swivel the center of the borehole.
  • the advantage of such Execution is that the one drilling device the actual one Carries out the drilling process and supplies the other with rods for this process becomes. This reduces the drilling time and optimizes the Profitability achieved.
  • the drilling rigs are preferably essentially point-symmetrical to the center arranged of the borehole.
  • the drilling device loading a rod is not located above the center of the borehole, the other drilling device can connect the previously loaded rod to the drill string in the borehole and sink the borehole further. This creates the possibility of sinking the borehole almost continuously.
  • Another advantage is that the drilling rig can be operated with a minimum of drilling personnel, since the operations, especially in the handling of the rods etc., are carried out almost fully automatically.
  • the two can Carrying units or drilling devices advantageously by means of a rope, a chain or a kinematic chain to be connected required energy for the swiveling variant of the supporting devices minimize.
  • the connection of the two support units is via a deflection point, For example, a role in the upper part of the steel structure is arranged, guaranteed. With such an arrangement, the energy of the storing supporting unit can be used for erecting the other supporting unit.
  • a is preferably on the upper steel structure Damping device installed to avoid possible resonance vibrations to avoid the drilling rig being initiated.
  • Such Damping unit could, for example, from a spring or from a Hydraulic cylinder with throttle exist.
  • the inventive method is characterized in that in the swiveling variant the support device in the horizontal for the reception of the Linkage is ready.
  • the power turret is in the upper position and the multifunctional gripper is in the same height as the poles, for example, on the trestles.
  • the The boom is rolled over the carrying device. Then in the lying Condition of the linkage gripped by the multifunctional gripper and thus locked.
  • the power turret and Handling device which is arranged below the power turret, the upper connection with the linkage.
  • the Lifting device lifted into the vertical by means of the lifting device and the lower one Connection between the rod on the support device and that in the borehole located linkage performed.
  • the supporting device can be locked to a steel structure.
  • the supporting unit can be free-standing can, in which case a locking or holding the support unit in the rotation or Pivot point range is made.
  • connection between the power shaft and linkage is particularly in the Repositioning of rods made during drilling.
  • boom in and - The boom can only be removed from the elevator under the Power turret is arranged to be hooked in, especially since the thread of the Linkage is spared and the operations are carried out faster can.
  • the lower linkage is by the standing on the platform or on the support unit integrated power screwing device ensures which for this purpose either extends out of the carrying device via the center of the borehole or via The center of the borehole is pivoted by means of a hinge.
  • Another configuration provides that the power screwing device is conventional on the work platform is slidably arranged. Likewise, after the screw connection between the drill hole and the drill pipe located in the drilling device are finished, the multifunctional gripper released and moved into the carrying unit.
  • the use of two swiveling drilling devices means that advantageous possibility that a located in the horizontal position Drill picks up the linkage while the other drill is drilling. As soon as the vertical drilling device has finished drilling and thus the power turret has arrived in the lower position, the horizontal horizontal drilling device lifted into the vertical by means of the lifting device become. The power turret is in the depositing drilling device during this movement moved back to the upper position.
  • FIG. 4 Another advantageous embodiment of the inventive method is by a rigid support device possible, as shown for example in Figure 4.
  • the boom is made using the rail-bound boom handling system removed from the rod storage and moved towards the working platform.
  • the power turret is in the upper position.
  • the boom handling device tilts the boom towards the Carrying device, the power head and the elevator as well as the handling system is lowered to a height at which the elevator surrounds the boom can.
  • the elevator comprises the linkage.
  • the multifunctional gripper extends from the carrying device and encloses it Linkage so that this is fixed in position, but in a vertical position Direction can be shifted.
  • the linkage is then suspended in the elevator by the linear drive raised, the multifunctional gripper pulling the linkage in the lower area leads and controls and in coordination with the process in the Linear guide moves into the support unit.
  • the turret is in the top Position has arrived, the upper connection between the drive shaft and Linkage using the handling device or by a screw and Counter device carried out.
  • the boom is lowered and by means of the power screw connection with the in the borehole located linkage performed.
  • the multifunctional gripper retracted, the holding device released and the drilling process continued.
  • the rod in the elevator can be hung with the one in the borehole existing rods are screwed and only then with the Power turret using the handling device or one on the power turret screwing and counter device located.
  • Another process step provides that the linkage by means of rail-bound boom handling device to the defined pick-up point is promoted.
  • the support device rotates about the longitudinal axis of itself Help the built-in turntable and stops exactly above the pick-up point.
  • the At this point the power turret is in the upper position of the Carrying device.
  • only the Power turret from the mounting frame to a defined pick-up point be pivoted or rotated.
  • the elevator is swung out while lowering.
  • the multifunctional gripper is extended from the carrying device and also encloses the linkage. This serves to hold the linkage at two points and to avoid slagging when handling it further.
  • the linkage is then raised parallel to the linear guide by means of the upwardly moving elevator until the rotary head has reached the upper position. Then the support device is pivoted over the center of the borehole.
  • the upper connection between the drive shaft and the linkage by means of a screwing and counter device or with the aid of the handling device can take place during this lifting and rotating movement in order to optimize the overall times.
  • the multifunctional gripper is inserted into the support unit, the holding device solved and the drilling process continues.
  • one drilling device can take up a new rod and the other can drill, so that almost continuous drilling is ensured. Appropriate control prevents the rotating drilling devices from colliding.
  • screwing to the drive shaft of the power turret is normally not necessary.
  • the receiving frame 4 are with Power turret 2 and handling device 5 or the Boom handling device 23 shown in two different positions, where a position is shown in dashed lines. In the broken line of the receiving frame and the power turret is not the guide roller 11 shown.
  • Figure 1 shows the side view of the support device 1 with the power turret 2, the linear guide 3 attached to the support device, the receiving frame 4 for the power turret, the handling device under the power turret 5 and the elevator 6 for the linkage takeover.
  • a screwing and locking device is optionally arranged below the power turret in order to firmly screw a rod fed by means of the handling device to the shaft of the power turret, or e.g. B. when removing the linkage to break the connection between the power head and linkage again.
  • Struts 42 of the support device 1 are envisaged, which improve the statics of the support device.
  • the crown bearing 7, which is integrated in the upper region of the carrying device, is shown.
  • the rope 13 is guided through the slewing ring 9 by means of the bushing 8 so as not to change the position of the rope during the rotational movement.
  • the slewing ring 9 is mounted under the carrying device 1 and is firmly connected to the work platform.
  • a winch 10 is installed in the lower region of the support device 1.
  • the rope (not shown) of this winch is in this case passed over a deflection roller 11 in order to take advantage of the rope pull effect.
  • the multifunctional gripper 12, which grips and guides the linkage and can be moved horizontally, is shown as a further assembly.
  • the flushing hose 15 is indicated, which in this example hangs partly freely.
  • a connecting element 105 is arranged on the slewing ring, on which means Pillow block 104 and bolt a rigid holding element, in this case a strut 103 is appropriate.
  • the other end of the strut 103 is on one side of the Support device 1 firmly connected.
  • Another connecting element 110 contains a further plummer block 104 and connects the support device 1 by means of bolts ago. As a result, the entire support device can be held vertically.
  • other connecting elements with which the support device 1 can be held conceivable.
  • FIG. 2 shows the front view of the carrying device 1 with the power rotary head 2, the receiving frame 4, the handling device 5 and the elevator 6.
  • the crown bearing 7 is also indicated here.
  • the rope 13 which is guided in the lower area through the bushing 8 through the turntable 9.
  • the flushing hose (shown in FIG. 1, not shown here) is connected to the pipe connection 16 in order to introduce the flushing into the power turret.
  • the winch 10 is mounted in the lower part of the carrying device 1 and is driven, for example, by an electric motor with a downstream transmission (drive unit 14).
  • Figure 3 shows the top view of a rotatable support device 1 with the linear guide 3, in which the receiving frame 4 with the rotary head 2 mounted thereon is guided by means of guide rollers.
  • the dashed quarter-circle line represents the pivot line 30 for this arrangement up to a fictitious pick-up point 28.
  • the drive shaft 45 like the cover 43 of the power turret, is only indicated.
  • FIG. 4 shows the side view of the drilling device with a carrying device corresponding to FIG. 1.
  • the slewing ring is not required.
  • an intermediate piece 27 which replaces the slewing ring is used, which preferably has the same dimensions and connecting dimensions as the actual slewing ring, and also contains the bushing 8.
  • the working platform 21, which serves to receive the intermediate piece 27, as well as the substructure boxes 19 and the support 22, which serves to support the working platform, are shown.
  • the elevator 17, which can be installed in the upper and in the lower sub-box, is shown.
  • the rope 13 is always positively guided by means of the carriage 18 over the liver grooves of the elevator drum.
  • the rods are fed or picked up by means of the preferably rail-bound rod handling device 23, which can be moved on the rails 24 and transports and adjusts the rod 25.
  • cross struts 42 which the statics of the box structure Improve support 1. Instead of this truss construction there is also one closed box construction can be used.
  • the linkage is from a linkage storage, not shown, by means of the Boom handling device 23 removed and over the rails 24 of the Drilling device supplied.
  • the linkage 25 is by means of a gripper 125 Linkage mounting unit 122 fed so far that it is from the elevator 6, which in the corresponding position moves down, can be included.
  • the boom ramp 126 is arranged in the lower part of the boom.
  • 123 denotes a pivoting device with which the boom 124 in a vertical Level can be moved.
  • 129 numbers the blow-out-preventer (BOP) stack, above borehole 130, not shown.
  • FIG 5 shows the front view of the drilling rig with the support device 1 corresponding to Figure 2, wherein the slewing ring 9 has been replaced by a rigid intermediate piece 27.
  • the power screwing device 20 is shown as an example, which was mounted in this form on the work platform 21.
  • the power rotary head 2 is shown with the handling device 5 underneath.
  • the rope 13 is always positively guided by the carriage 18 over the liver groove of the elevator 17, so that from this device the rope 13 is safely guided through the bushing 8 to the crown bearing 7.
  • the carrying device 1 is connected to the work platform 21 by the intermediate piece 27.
  • the driver's cabin 127 arranged thereon is also indicated.
  • FIG. 6 shows the top view of the rigid drilling device on the work platform 21.
  • the top view shows the lateral arrangement of the power screwing device 20.
  • the rods are removed from the vertically standing rod boxes 26 by the rail-bound rod handling system 23, which moves on the rails 24, and the Drilling device supplied. With this arrangement of the vertical rod boxes 26 any storage capacity can be achieved.
  • FIG. 7 shows the rail-bound rod handling device 23. It is possible to store the rod 25 in vertically standing or horizontally lying (not shown) rod boxes 26 or to remove them from these.
  • the rods 25 are off during transport or loading or unloading guided or fixed the rod boxes by fingers or transport brackets 128.
  • the individual rods 25 from the boxes 26 removed by means of the rod handling device 23.
  • the boom 124 is then pivoted back.
  • a rotating device 120 is provided with which the boom 124 can be rotated with the boom mounting unit 122 on the carriage 121 can, for example, to reach a specific pick-up point 28. Not the possibility of displacing the rod mounting unit 122 is shown so that short strokes are possible to move the linkage 25 easier to remove from the transport bracket.
  • FIG 8 shows the front view of the drilling system in section with two support devices 1 and the associated components, as shown in Figure 2, wherein one of the support devices is not shown by the section.
  • this drilling rig is equipped with a slewing ring 9 under the carrying device 1 in order to alternately pivot the drilling device over the center of the borehole.
  • FIG. 9 shows the top view of the drilling rig according to the invention with two drilling devices 40.
  • the one drilling device 40 has been pivoted in over the center of the borehole 130 and is just ending the drilling process, and the other drilling device 41 has been pivoted out and is ready with the loaded rod 25 to pivot over the center of the borehole 130.
  • the power screwing device 20 is arranged in the center in order to advantageously break or connect the connections.
  • the rail-bound boom handling device 23 with the rails 24 and the boom boxes 26.
  • the rods 25 are transported to the pick-up points 28 and taken over by the handling device 5 (not shown) with the elevator 6 underneath (not shown).
  • FIG. 10 shows the side view with the double drilling devices 40, 41 corresponding to FIG. 1 (swung out, 41) and FIG. 2 (swung in, 40), which are fastened on the two turntables 9 on the work platform 21.
  • This version of the drilling system has two lifting mechanisms 17 and two ropes 13, only the lifting mechanism 17 and the rope 13 of the drilling device 40 being shown in FIG. 10.
  • the drilling device 40 is optionally schematically shown pivotably from the vertical to the horizontal position, the lifting device being drawn as 107, the swivel bearing as 108 and the connecting element as 109.

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  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling And Boring (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Drilling Tools (AREA)
  • General Induction Heating (AREA)
EP99952442A 1998-08-19 1999-08-19 Bohrvorrichtung und verfahren zum abteufen einer bohrung Expired - Lifetime EP1108110B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19837692 1998-08-19
DE19837692A DE19837692C2 (de) 1998-08-19 1998-08-19 Bohrvorrichtung, Bohranlage und Verfahren zum Abteufen einer Explorations- und Förderbohrung
PCT/DE1999/002599 WO2000011308A2 (de) 1998-08-19 1999-08-19 Bohrvorrichtung und verfahren zum abteufen einer bohrung

Publications (2)

Publication Number Publication Date
EP1108110A2 EP1108110A2 (de) 2001-06-20
EP1108110B1 true EP1108110B1 (de) 2003-11-12

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EP99952442A Expired - Lifetime EP1108110B1 (de) 1998-08-19 1999-08-19 Bohrvorrichtung und verfahren zum abteufen einer bohrung
EP99952441A Expired - Lifetime EP1105619B1 (de) 1998-08-19 1999-08-19 Bohrvorrichtung und verfahren zum abteufen einer bohrung

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EP99952441A Expired - Lifetime EP1105619B1 (de) 1998-08-19 1999-08-19 Bohrvorrichtung und verfahren zum abteufen einer bohrung

Country Status (7)

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US (2) US6857483B1 (no)
EP (2) EP1108110B1 (no)
AT (2) ATE254236T1 (no)
CA (2) CA2344034C (no)
DE (3) DE19837692C2 (no)
NO (2) NO317594B1 (no)
WO (2) WO2000011306A2 (no)

Cited By (2)

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WO2019002481A1 (de) 2017-06-28 2019-01-03 Igus Gmbh Anordnung mit zwei energieführungsketten und verstellbarem festpunkt

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EP1105619B1 (de) 2003-10-08
ATE251711T1 (de) 2003-10-15
NO320520B1 (no) 2005-12-12
WO2000011306A3 (de) 2000-04-13
NO20010811L (no) 2001-04-18
WO2000011308A3 (de) 2000-05-25
WO2000011308A2 (de) 2000-03-02
CA2362866C (en) 2009-12-15
NO20010810D0 (no) 2001-02-16
CA2362866A1 (en) 2000-03-02
CA2344034C (en) 2008-01-15
NO20010811D0 (no) 2001-02-16
EP1108110A2 (de) 2001-06-20
US6857483B1 (en) 2005-02-22
US6581698B1 (en) 2003-06-24
DE59907737D1 (de) 2003-12-18
EP1105619A2 (de) 2001-06-13
DE59907313D1 (de) 2003-11-13
ATE254236T1 (de) 2003-11-15
NO317594B1 (no) 2004-11-15
DE19837692A1 (de) 2000-03-02
NO20010810L (no) 2001-02-16
WO2000011306A2 (de) 2000-03-02
DE19837692C2 (de) 2003-04-03
CA2344034A1 (en) 2000-03-02

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