EP1105619B1 - Dispositif de forage et procede de forage d'un puits - Google Patents

Dispositif de forage et procede de forage d'un puits Download PDF

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Publication number
EP1105619B1
EP1105619B1 EP99952441A EP99952441A EP1105619B1 EP 1105619 B1 EP1105619 B1 EP 1105619B1 EP 99952441 A EP99952441 A EP 99952441A EP 99952441 A EP99952441 A EP 99952441A EP 1105619 B1 EP1105619 B1 EP 1105619B1
Authority
EP
European Patent Office
Prior art keywords
drilling
support mechanism
pipes
pipe
disposed
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
EP99952441A
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German (de)
English (en)
Other versions
EP1105619A2 (fr
Inventor
Thorsten Dirks
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
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Application filed by Bentec Drilling and Oilfield Systems GmbH filed Critical Bentec Drilling and Oilfield Systems GmbH
Publication of EP1105619A2 publication Critical patent/EP1105619A2/fr
Application granted granted Critical
Publication of EP1105619B1 publication Critical patent/EP1105619B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • 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
    • E21B19/20—Combined feeding from rack and connecting, e.g. automatically
    • 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

Definitions

  • the invention relates to a drilling device for a drilling rig and a drilling rig, those for exploration and production drilling, particularly on Hydrocarbon deposits, can be used onshore and offshore, as well as a Method of sinking such a hole.
  • Modern drilling rigs consist of a variety of Components, such as a lift (Drawworks), one Linkage screwing device (Iron roughneck), a working platform (Rig floor), a pipe handling system (pipe handler), a pipe storage facility (Pipe rack), a crown block with a block and tackle block (Traveling block) and a power turret (Top drive) as well as a rod ramp (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.
  • European laid-open specification 0 243 210 A2 describes, for example, a conventional drilling device which is of modular construction. It contains all the components necessary for drilling devices, such as a demountable drilling rig, which is seated on a sliding base frame by means of four legs. It has a crown bearing and a power turret and a block and tackle in its upper part and a breaking and countering device in its lower part. Part of the drilling mast is erected with lifting cylinders. The absolutely necessary lifting device is also arranged on the sliding basic frame, which creates a connection to the power turret via cable pulls via the crown block. There is also a swiveling boom handling boom that guides the boom into the drilling device. However, this drilling device still has a large number of components, which are arranged in a modular manner, but must be assembled and disassembled and transported from drilling site to drilling site. This requires considerable personnel and logistics expenses.
  • the drilling rig of US 4,899,832 has the same disadvantages.
  • There will be one Transportable drilling device described which consists of a on a drilling mast located drilling unit with a power turret, a boom handling system, an Iron Routhneck and a crown roll, which by means of two on the side fortified other steel structures is stabilized.
  • the foot of the drilling mast is tilted, but only for the purpose of erecting the mast.
  • the Boom handling device is independent of the rotary head guide on the opposite side arranged
  • EP 0 379 187 A1 describes an anchor drilling device for introducing ground anchors, as they are used in the civil engineering industry to secure embankments or Pile walls are used.
  • the anchor drill disclosed Caterpillar undercarriage on which an upper part of the machine sits by means of a slewing ring
  • the upper part of the device consists of a drive unit of the crawler track, a guide cabin and a support designed as a one-piece mast Recording of the actual anchor drilling rig.
  • the mast is at its lower end pivoted.
  • a pick-up slide is arranged on the mast again has a rotary joint on which a drill carriage is connected via a linkage is stored.
  • the linkage also carries a rod magazine for holding Double rod sections.
  • the rod magazine is semicircular and provided with multiple drill string mounts, the inner rods as well Can accommodate outer linkage. There is one on the rod magazine Loading device for the carriage stored.
  • This anchor drilling rig is only for inserting ground anchors and only Pull the outer linkage appropriately, with the ground anchor remaining in the borehole. Boreholes from ground anchors are only a few meters deep in the ground or that Rock. For drilling exploration and production wells such as those used in the oil and gas industry for example, anchor drilling rigs are unsuitable.
  • the object of the invention is to provide a drilling device for sinking exploration and production wells according to claim 1 and a drilling rig according to claim 21 and to propose a method according to claims 26 and 28, with which Significant savings in terms of drilling rig equipment Drilling of exploration and production wells as well as logistics and Personnel costs are connected.
  • the object is achieved by a drilling device according to claim 1, a drilling rig according to claim 21 and a method according to claims 26 or 28 solved.
  • the storage of the foot of the support device can be on or under a working platform of a drilling rig in the area of the well or on a vehicle, such as. B. a mobile workover system.
  • the floor ie the top edge of the terrain, can also be used as a working platform.
  • the main drive and handling components are advantageously integrated in one system. This also eliminates the crown bearing, traveling block and lifting mechanism that are common in state-of-the-art drilling systems.
  • the rod ramp and the so-called catwalk are also omitted.
  • this integrated design allows the fast transport from one drilling site to another (rig move time) and the required drilling staff to be reduced. There is even the possibility of using a Zeppelin with the load capacity of max. 160 t to lift and move, since this drilling device is much lighter than a comparable drilling device according to the prior art.
  • the support device is in a type of rocker, z. B. in the form of a box construction.
  • a power screwing device is arranged, this having a holding device and a breaking and countering device, usually the holding device below the breaking and countering device is arranged. It is particularly advantageous to use only the breaking and countering device in to arrange the support or on the support device and the holding device z. B. on or to be provided under the work platform, so that the weight of the support device to reduce.
  • the power screwing device can also be used on the work platform be arranged.
  • the drilling device can be displaced horizontally to be ordered. This has the advantage of being particularly upright To move the drilling device out of the area of the borehole and above with respect to any rod bearings or opposite the center of the borehole (Center line) to adjust. Furthermore, can advantageously be made from several side by side arranged rod bearings are taken from the rods.
  • a locking device is arranged at the upper end of the carrying device, the one with a steel structure, which preferably consists of a tower or a Mast exists, is connected.
  • This has the advantage of being an additional one Connection stiffness or bending stiffness is achieved, the steel structure be constructed much simpler and more flexible than conventional towers or masts can.
  • the locking device looks like a hollow cylinder, to which a flushing hose is connected and connected which a valve is arranged to ensure the flushing supply. Just when the support device is pivoted, it is advantageous to move into the Locking device to integrate the flushing supply, so that quasi the rinsing is available automatically and without any further work step.
  • a drum can be provided on or in the carrying device, on which the Flushing hose can be rolled up, so there is a risk of tearing or other damage during the installation and removal of the boom is avoided.
  • one Lifting device provided, which in a particularly advantageous embodiment one or more hydraulic or pneumatic cylinders or in one other variant is designed as a winch. This will also be advantageous Drilling at an angle of 5 ° to 90 ° to the top of the terrain enables.
  • the power head of the carrying device can be moved by means of a linear drive be formed, the linear drive being arranged in or on the carrying device is.
  • a linear drive be formed, the linear drive being arranged in or on the carrying device is.
  • a spindle drive a hydraulic drive
  • a chain or a cable pull can be used.
  • the leadership can for example by a slide rail, by racks or guide rollers be guaranteed.
  • the linear device consists of drive and guide.
  • the boom handling device is within reach arranged a rod storage, the individual rod tubes in this Boom storage are arranged upright. This has the advantage that the Support device independently on the linkage without additional devices can access it, then use the turret to sink it into the borehole.
  • the boom handling device complete or the grippers or the gripper holder are axially displaceable to the longitudinal axis of the support device, which is advantageous Way allowed to handle the linkage better, such. B. when parking or picking up the boom from the boom stock.
  • Another advantage consists in the fact that by means of such a rod handling device and socket thread of the rod connector in a limited way is collapsible.
  • the steel structure has a Has working platform, the pivot point and / or the pivot point of the Support device is arranged above or below the work platform.
  • the many possible variations of the drilling device make it possible adapt the drilling rig to local drilling site opportunities.
  • Another advantageous embodiment provides that on the support device and / or a damping device is arranged in the steel structure, which prevents that when setting up the carrying device or when locking Damage caused by uncontrolled encounters. Consequently can dampen the load when setting up or putting down the carrying device can be achieved advantageously.
  • a line for rinsing is provided on or in the support device, wherein the lower connection of the line with the flushing pump and the upper connection is connected to the irrigation hose via the hollow cylinder.
  • the power screwing device is by means of Hinge, which is arranged on one side of the power screwing device is pivotally connected or in a further variant such with the Support device connected that they are perpendicular to the axis of the support device is movable.
  • Another option is to lift the Power screwing device via a coupling with the power turret.
  • the advantage Such an embodiment is that the downhole equipment (Underground equipment) even with a vertical support device Borehole can be installed.
  • the hinge can e.g. B. as a welding hinge be trained.
  • the power screw device can also be conventional Can be mounted on the work platform.
  • the drilling device is characterized in that that part of the steel structure, preferably one or more corner posts of the Steel structure, as rod storage or as holder for rod container are trained.
  • the boom storage or the admission for one In this configuration, rod container can also be arranged around its longitudinal axis be rotatably mounted. This advantageously ensures that the The magazine can be loaded independently of the continuous drilling operation or for removal always a linkage within reach of the Boom handling system is located.
  • One is also particularly advantageous Design that provides that the drilling device and / or the Linkage stock bearings are mounted on a vehicle or on a trailer and with that the portability and the flexibility of use increase.
  • a drilling rig is also claimed, which is characterized in that two or several drilling devices are arranged, which alternate over the middle the borehole is moved, or rotated, or pivoted.
  • two or several drilling devices are arranged, which alternate over the middle the borehole is moved, or rotated, or pivoted.
  • This is achieved by significantly reducing the drilling times can, as one drilling rig can be loaded while another Drilling device sinks the hole further.
  • the second is Drilling device able to connect the previously loaded drill string with the drill string Connect the borehole and sink the borehole further.
  • This will also in advantageously created a drilling rig with which almost continuously can be drilled.
  • only a minimum of drilling personnel is required because the drilling rig according to the invention in particular in the handling of the rods, Casings etc. can be driven almost fully automatically. Drilling devices that are rotatably mounted, do not have to be connected and can be driven separately become.
  • a special embodiment of such a drilling system provides that two Drilling devices essentially symmetrical, in particular axially symmetrical, are arranged to the center of the borehole, the drilling devices being interconnected are connected.
  • This connection is preferably by an im essential kinematic chain, a claw shaft, a rope or a chain accomplished. This can be achieved in an advantageous manner that the Energy expenditure for storing a swiveling drilling device simultaneous erection of another drilling device, both axes of the Drilling devices run parallel, can be reduced.
  • Drilling jigs that are rotatably mounted, do not have to be connected and can be separated are driven.
  • the inventive method for sinking a hole and for Installation of drill pipe is characterized in that a pipe on a Carrier device of a drilling device according to one of claims 5 to 25 rolled with the power turret in an upper position and the grippers the boom handling device are retracted into the support device and then the boom handling device grips the boom as soon as this on the Carrying device is in the intended position. Then the Carrying device by means of lifting device from a horizontal to a position set up between 5 ° and 90 °, in a preferred embodiment at Reaching the vertical or nearly vertical position of the support device Steel structure or locked in a mast or tower.
  • Another method step provides that the support device between the Picking up the rod and preparing it for drilling and the Screwing with the lower linkage is moved horizontally, which the The advantage is that a further drilling device meanwhile continues the drilling can sink.
  • a further drilling device meanwhile continues the drilling can sink.
  • the drill pipe from a drill pipe storage, in which the drill pipe is arranged vertically by means of rod handling device, which in a Drilling device is integrated according to claim 1, removed and then over screwed the rod connector to the power turret and in the drilling position brought.
  • the advantage of such a method is that with the integrated drilling device, sinking a hole to save space and energy can be carried out.
  • the Boom storage after a boom has been removed by the Boom handling equipment is rotated around its own longitudinal axis until the next boom from the boom warehouse of the Boom handling device is within reach.
  • the next drill is automatically available.
  • the method can advantageously also be designed such that the Drilling device after completion of a drilling section and loosening the Torque head rotated from the drill string in the borehole about its longitudinal axis and then using the boom handling device after the A new linkage is removed from the linkage stock warehouse.
  • the center of the borehole becomes free and while the drill handling device of the - Drilling device loads a new rod, a second drilling device can Drill the hole further.
  • Another process step provides that two or multiple drilling devices are positioned around a wellbore, wherein alternately a drill pipe is sunk while one or more of the additional drilling devices by mounting a drill rod for drilling to get prepared. Through this mutual game of two or more Drilling devices can achieve higher drilling progress per unit of time and that Setup dead times can be reduced.
  • a further embodiment of the method according to the invention provides that for the installation of drill rods from a rod storage warehouse a rod is removed, while at the same time the rod storage with other Booms are fed, which has the advantage that the set-up times are even stronger can be minimized because the loading of the boom storage can be done regardless of the drilling of the hole. This also reduces the Bohrstillstands documentation.
  • rods can also be used instead of rods become.
  • the rod storage can be used as a pipe bins or as a finger platform be trained.
  • a rod often consists of several individual boring bars (double or triple stands), which are already stored in the boom storage have been screwed together.
  • a linkage can also consist of only one Boring bar (single stands) exist.
  • Figure 1 shows the front view of a support unit with the individual components represents.
  • Figure 2 shows the support unit in a side view.
  • FIG. 3 contains the top view of a guide of a top drive.
  • Figures 4 and 6 the side and plan view of a boom handling device.
  • Figure 5 shows the side view of a gripper unit along the line A A 'of Boom handling device in FIG. 4.
  • FIG. 7 shows the top view of a power screw connection device.
  • FIG. 8 A section through a locking device with integrated flushing feed Figure 8 shows, Figure 9 shows the top view of a drilling rig, the two opposing drilling devices.
  • Figure 10 shows a side view of a drilling rig according to the invention with two drilling;
  • Figure 11 shows another embodiment of a guide of the Power turret in the support device 1.
  • FIG. 1 shows a carrying device 1 designed as a “swing arm”, into which a Power turret 2, a boom handling device 30 and an iron roughneck 4 are integrated, the from a breaking and counter device 11 and one Holding device 12 is constructed, wherein optionally the holding device to z. B. Save weight, even outside, e.g. B. below the rocker 1, on one Work platform can be arranged.
  • the rocker 1 is in this Embodiment by a swivel device 5 from the horizontal to the Vertical foldable and additionally via a slewing ring 6, the z. B. from one Sprocket can exist around the longitudinal axis in the vertical position of the rocker rotatably mounted.
  • connection element 13 is at its upper end with the support device 1 a pivot bearing connected with bolt 8, it sits on the slewing ring 6 below.
  • the upper part of the connecting element 13 is designed as an eye in which the bolt 8 of the pivot bearing is mounted.
  • the receiving plate 18 for the lifting device (not shown) with the Slewing ring 6 or the connecting element 13 connected so that the Receiving plate 18 is moved when the drilling device rotates.
  • the power rotary head 2 is provided with two motors 28, which introduce the torque into the drill pipe via the power turret 2.
  • the Power turret 2 is parallel to the longitudinal axis 20 of the rocker 1 from above below or from bottom to top, preferably by means of a linear drive (not shown), which is integrated in the rocker 1, moves.
  • an insertion cover 70 for one Locking device 60 is firmly connected to the rocker with which the rocker snaps into a fastening device, not shown, of a steel structure and is locked.
  • a locking device can also be used in this locking device Mud feed device can be integrated. If the drilling device is without
  • the drilling device sits on a displacement device 3, which is supported by rollers 15 Guides or rails 16 can be moved.
  • the drilling device sits on a displacement device 3, which can be displaced on guides or rails 16 by means of rollers 15.
  • the power turret 2 is guided on the outside of the rocker arm by means of a receiving plate 25 to which the power turret housing 26 is fastened with the power turret 2.
  • 27 shows the drive shaft of the power turret.
  • the guidance of the power rotary head can also be arranged within the carrying device.
  • FIG. 2 shows the side view of a rocker arm 1, which is of rectangular design here, in which the rotary head 2 is guided on the outside of the rocker arm by means of a receiving plate 25, to which the rotary head housing 26 is fastened with the rotary head 2.
  • a support device or swing arm rounded at the corners can also be used.
  • the grippers 37 with which the boom is gripped.
  • the grippers are connected to one another by means of a gripper receptacle 36.
  • the gripper receptacle 36 can be arranged to be displaceable.
  • the iron roughneck 4 is integrated in the lower area of the swing arm 1.
  • no linkage screwing device is integrated; this variant is located on the working platform.
  • a swivel device 5 is shown, which is seated on a rotating device, in this example designed as a slewing ring 6, which is driven by the motor 10.
  • the rotating device is mounted in a pivot bearing 19, here a roller bearing (ball roller bearings or ball bearings are also possible).
  • the slewing ring 6 is seated in a displacement device 3, which is designed as a linear guide and with which the entire rocker 1 can be moved forwards or backwards (to the right or left in FIG. 2), that is to say over the borehole or away from the borehole ,
  • the carrying device 1 can also be operated only with a rotating device or a displacement device or a pivoting device or a combination of two of these devices.
  • the receiving plate 18 for the lifting device 7, here as a telescopic cylinder is used as its holder.
  • the lifting device 7 is at the top of the Carrying device articulated (not shown in the correct angle).
  • the Boom handling device 30 is shown in simplified form in this example Service. So an up and down movement cannot be carried out.
  • This receiving plate 25 is in this example from a bending construction formed from a U-shaped folding profile, in which the roller axles 24 for the guide rollers 23 are mounted laterally.
  • To the Receiving plate 25 are also the power turret housing 26 with the Drive shaft 27 of the power turret mounted. This wave is during drilling over the center of the borehole 9.
  • the guide rollers 23 are mounted with roller bearings and serve to guide the Recording plate 25 in the linear axis.
  • Linear drives can be implemented using chains as well as ropes.
  • a another possibility would be a lifting device for the receiving plate 25 with the
  • FIGS. 4, 5 and 6 show an exemplary embodiment of a boom handling unit.
  • the boom handling device 30 consists of a pair of scissors 34 to enable the stroke out of the carrying device 1, a linear guide 39 on the upper slide 45 and two gripper units, each consisting of the gripper receptacle 36, the gripper 37 itself, and a gripper arm 38 Expansion cone 41, a receiving plate 46 and rollers for the gripping arm 48.
  • the lifting movement is in this embodiment by a scissor system allows.
  • the scissors 34 are fixed on one side by fixed bearings 51.
  • On the other side of the scissors 34 rollers 40 are attached, which in guides of the Basic slide 35 or upper slide 45 lie.
  • a hydraulic cylinder 33 which is installed in the lower scissor area between the axles on a loose and on a fixed side of the scissors 34, the scissors 34 contracted or expanded.
  • This movement is supported by compression springs 50.
  • the Kinematics of the lifting device can also be designed so that the Lifting out of the dead center is avoided. This can e.g. B.
  • the closed position of the scissors 34 in the Kinematics of the lifting device can also be designed so that the Lifting out of the dead center is avoided.
  • This can e.g. B. thereby happen that the closed position of the scissors 34 in the is chosen essentially parallel to the cylinder, but a residual angle of for example 15 ° remains.
  • the gripper seat 36 is arranged to be linearly movable. Via a pneumatic or hydraulic cylinder 32, which is attached to the upper slide by means of a holder 42 is fastened, this gripper receptacle 36 can be parallel to the axis of the carrying device 1 be moved.
  • this gripper receptacle 36 can be parallel to the axis of the carrying device 1 be moved.
  • FIG. 7 shows the top view of a power screw connection device 4.
  • This Power screwing device 4 is fixed on a base plate 87 and can can be pivoted by means of hinge 81.
  • the power screwing device is attached to hinges 81, which with the Carrier 1 is connected to the installation of downhole equipment enable.
  • the power screw connection device is secured by a Locking pawl 89 with a lock to pivot away during the To prevent drilling.
  • the spacer 82 is located between the Base plate of the Iron-Roughneck and the carrying device 1 and also serves as Damping unit in the latched state.
  • an inventive Drilling device does not need the power screwing device 4 in the Carrier to be integrated, but can e.g. B. on the work platform be arranged.
  • FIG. 8 shows a locking device with an integrated flushing supply during the locking process in a special exemplary embodiment of a support device 1 that is combined with a steel structure.
  • This locking device 60 consists of a base body 62, an internal hollow cylinder 67, a cover 65 and the seals 64, 66, 68.
  • the volume flow of the flushing is introduced through the upper opening 71 on the base body (stator) 62.
  • pressure P 1 is present in the control pressure chamber 72 and the hollow cylinder 67 is in a lower locking position, the flushing can enter the interior of the hollow cylinder 67 through the bores 69 and the flushing hose, which is integrated in the carrying device 1, through the opening 75 are supplied.
  • the hollow cylinder is sealed by the seals 68, 66 and 64.
  • the flushing hose which leads to the flushing pump, is connected to the opening 71 (not shown).
  • the stator 62 is divided into two areas and the areas 64 are sealed accordingly by the seal 64.
  • the first area is the purge pressure area (A) in the purge space 63
  • the second area consists of the control pressure chambers 72 and 73 (B1, B2).
  • P 1 the pressure chamber
  • the insertion cover 70 represents the uppermost part of the carrying device 1.
  • the sealing between the locking device 60 and the insertion cover 70 takes place by means of a seal 74.
  • the flushing connection hose 59 is connected to a connecting or coupling piece 58 by means of a connector 57.
  • the connector 58 is attached to the lid 70.
  • the irrigation connection hose 59 leads to the irrigation head.
  • the support device 1 By actuating the pressure chamber (B2) 73 with P 2 , the support device 1 is unlocked by moving the hollow cylinder 67 out of the insertion cover 70 of the support device 1 and the flushing is interrupted because the upper cam 75 of the hollow cylinder 67 is in the upper area of the stator 62 introduced and can be stalled by a seal 61 in the stator.
  • FIG. 9 shows the top view of a drilling position with two drilling devices.
  • the use of two rockers or drilling devices has the advantage that while one drill is drilling, the other drill with a new one Load rods 78 from rod storage 79 or for screwing can be prepared with the rod located in borehole 103.
  • the Gripping a rod 78 from one of the stockpiles 79 takes place in such a way that the Swing arm in the vertical position is rotated about 90 ° via the rotating device 6 and then by means of the boom handling device operating in the boom handling area 30 is arranged in the rocker 1, a linkage 78 engages and is then turned back to the original position.
  • a Sliding device 3 can move the entire system in one linear guide Drilled in the direction of borehole 103 so that the rod over the Drill hole center 9 is located.
  • the displacement device is by lateral rollers 15th characterized, which are guided on two rails 16.
  • the corner handles a steel structure (not shown) in which the support device 1 is locked by means of the cover 70.
  • the displacement device 3 is, for. B. not necessary if the carrying device 1 is in a horizontal position with the linkage is loaded. Via the locking device 60, which is shown in FIG. 8, is the flushing through the insertion cover 70 in the rod or the borehole directed.
  • the rocker is moved by means of the sliding device 3 moved out of the borehole area after the locking device 60 out the locking mechanism, not shown, of a steel structure has been released.
  • Slider can, for. B. a sled can also be used.
  • the boom storage 79 receive the boom 78. They can be designed in such a way that rods of different lengths or different diameters are placed in one receptacle.
  • three rod storage bearings 79 which are also referred to as receptacles, are erect on both sides of each drilling device.
  • a special embodiment of a unit consisting of three linkage storage bearings 79 is shown on the left-hand side.
  • the rod storage bearings 79 are arranged standing on a sliding system made of rails 95, 96.
  • the transverse rails 96 are located under the longitudinal rails 95, which are arranged essentially parallel to the displacement device 3.
  • the receptacle 79 for the linkage can be moved in two directions by this displacement system or exchanged with one another.
  • the system is designed with rails 95, 96 in both the longitudinal and transverse directions.
  • the recordings have flanged wheels on their underside, through which the linear movements can be carried out safely.
  • the conversion from the longitudinal to the transverse path can take place in particular via turntables 97 or a turntable or via lifting devices (not shown).
  • the holder In the rotary table version, the holder is on a rail system that is installed on a rotating device. In order to move from the longitudinal to the transverse direction, the holder is rotated using a turntable. The holder can now roll into a rear position. In order to get back in the longitudinal direction, the turntable is used again.
  • Another embodiment is a lifting device under the cross conveyor rails 96.
  • the receptacle is moved longitudinally.
  • the cross rail is raised in the changing position from longitudinal to transverse.
  • the longitudinal rollers lift off the rail 95 and the transverse rollers touch the transverse rail 96.
  • the receptacle can be rolled onto the rear web from two longitudinal rails 95.
  • the receptacle 79 has longitudinal and transverse grooves, not shown, which are offset in height in order to be able to be independent of one another in the rail system.
  • FIG. 10 shows a side view of an exemplary embodiment of a drilling system according to the invention when sinking a hole with a steel structure.
  • the steel structure consists of corner posts 90, only the rear two being shown here, and a connecting or cover plate 98, which connects the corner posts 90 to one another and gives the steel structure stability.
  • the locking device 60 is fastened to it, with which a drilling device can be locked on the insertion cover of the carrying device 70.
  • the necessary irrigation hoses are not shown.
  • the connecting plate 98 can also consist of steel beams which are firmly connected to one another.
  • the corner posts 90 can also be constructed from interconnected steel profiles.
  • the steel structure can also be constructed from two, three or more corner posts 90.
  • a work platform or platform 100 may be arranged is located approximately at the height of the slewing ring 6 or the swivel device 5.
  • a device is attached to the work platform 100 which holds the holding wedges 80 receives. These serve to intercept or hold the one located in borehole 103 Boom during loading of new boom 78 from the boom warehouse 79th
  • the power screwing device 4 is in Figure 10 on the support device 1, and arranged in the lower area. In a variant of the Drilling rig, the power screwing device is not on the support device, but arranged on the work platform 100.
  • the two support devices 1 have simplified boom handling devices 30 with which no lifting movement can be carried out. Such an arrangement is also required, for example, when 79 fingers, which are used to hold or lock the rods 78, are arranged so that they can move vertically when the rod storage bearings are upright. However, linkage handler devices 30 that can perform lifting movements are normally used.
  • the boom storage or boom 79 are on a stage 101 parked side by side. They are filled with linkage 78.
  • the carrying devices 1 can be displaced along the stage 101 by means of the rollers 15 on rails 16 via the displacement device 3.
  • the support devices 1 are also rotatably mounted on slewing rings 6 in order to, for. B. to remove a linkage 78 from the linkage bearing 79 a 90 turn.
  • the swiveling device 5 and the lifting device 7 are unnecessary in this case. But it can be used if at a different drilling location, e.g. B. be drilled obliquely with only one drilling device or the support device 1 is to be erected for the first time.
  • FIG. 10 shows the right drilling device shortly before the drilling process due to the better stability with the steel structure via the entry cover 70 and the locking device 60 is detachably connected.
  • the boring bar 14 is already in borehole 103, which is rod handling device 30 but not yet retracted into the carrying device.
  • the second, left Drilling device is currently traveling backwards on the rails 16, that is to say from the borehole away (to the left in the illustration) to a new boring bar 78 from one of the To load the rod storage 79 by means of the rod handling device 30.
  • the Locking in the steel structure is released.
  • FIG. 11 describes a further exemplary embodiment of a rotary head guide, in which the guide is arranged within the support device 1.
  • the guide is mounted in the support device guide rails 22, by means of the guide rollers 23 for receiving the lateral guide plates 20 serve.
  • the rollers 23 On these side guide plates 20 are the rollers 23 for the Axial movement mounted.
  • These guide rollers 23 are, for. B. roller bearings and lead the entire structure in a linear axis.
  • On the side guide plates 20 are Welded gusset plates 21, which serve to reinforce the mounting plates.
  • the mounting plate 25 for the power turret is attached to this welded construction (Top Drive) mounted. With the help of a linear drive, the above-mentioned. Arrangement a linear movement can be performed.
  • This linear actuator can via chains, ropes or via a fluid technology solution (hydraulic, pneumatically etc.) are driven.

Claims (33)

  1. Dispositif de forage pour des puits d'exploration et d'extraction, constitué d'un système de support (1), d'une tête de rotation par force (2), d'un dispositif de manipulation de tiges (30) saisissant les tiges de forage (78),
    la tête de rotation par force (2) étant disposée coulissante axialement suivant l'axe longitudinal du système de support (1) au moyen d'un guidage dans, ou directement sur, le système de support (1) et le dispositif de manipulation de tiges (30) étant disposé dans, ou directement sur, le système de support (1),
    caractérisé en ce que
    le dispositif de manipulation de tiges (30) est mobile perpendiculairement à l'axe longitudinal du système de support (1), et que le système de support (1) est supporté basculant et/ou rotatif, directement dans la zone du pied du système de support.
  2. Dispositif de forage selon la revendication 1, caractérisé en ce que
    en dessous du dispositif de manipulation de tiges est disposé un dispositif de vissage par force, qui est constitué d'un dispositif de maintien et d'un dispositif de rupture et de serrage.
  3. Dispositif de forage selon la revendication 2, caractérisé en ce que
    le dispositif de rupture et de serrage est disposé dans le système de support et le dispositif de maintien, de préférence dans ou sous une plate-forme de travail.
  4. Dispositif de forage selon l'une des revendications 1 à 3,
    caractérisé en ce que
    le dispositif de forage est disposé coulissant dans une direction horizontale.
  5. Dispositif de forage selon l'une des revendications 1 à 4,
    caractérisé en ce que
    à l'extrémité supérieure du système de support est disposé un dispositif de verrouillage, qui est relié à une structure construite en acier, de préférence une tour ou un mât.
  6. Dispositif de forage selon l'une des revendications 1 à 5,
    caractérisé en ce que
    le dispositif de verrouillage est constitué d'un cylindre creux, auquel est raccordé un tuyau de rinçage et sur lequel est disposée une vanne, afin d'assurer l'arrivée de rinçage.
  7. Dispositif de forage selon l'une des revendications 1 à 6,
    caractérisé en ce que
    sur ou dans le système de support est disposé un tambour, sur lequel le tuyau de rinçage peut être enroulé.
  8. Dispositif de forage selon l'une des revendications 1 à 7,
    caractérisé en ce que
    un dispositif de levage est prévu pour dresser le système de support de l'horizontale jusqu'à la verticale.
  9. Dispositif de forage selon la revendication 8,
    caractérisé en ce que
    le dispositif de levage est constitué d'un ou plusieurs vérins hydrauliques ou pneumatiques.
  10. Dispositif de forage selon la revendication 8,
    caractérisé en ce que
    le dispositif de levage est constitué d'un treuil.
  11. Dispositif de forage selon l'une des revendications 1 à 10,
    caractérisé en ce que
    la tête de rotation par force qui est disposée dans ou sur le système de support est coulissante au moyen d'un dispositif linéaire.
  12. Dispositif de forage selon l'une des revendications 1 à 11,
    caractérisé en ce que
    dans la portée du dispositif de manipulation de tiges est disposé un magasin de réserve de tiges, les différents tubes de tiges étant disposés debout dans le magasin de réserve de tiges.
  13. Dispositif de forage selon l'une des revendications 1 à 12,
    caractérisé en ce que
    le dispositif de manipulation de tiges ou les préhenseurs ou le logement de préhenseurs sont disposés coulissant axialement suivant l'axe longitudinal du système de support.
  14. Dispositif de forage selon l'une des revendications 5 à 13,
    caractérisé en ce que
    la structure construite en acier présente une plate-forme de travail, le point de rotation et/ou le point de basculement du système de support étant situé au-dessus ou en dessous de la plate-forme de travail.
  15. Dispositif de forage selon l'une des revendications 5 à 14,
    caractérisé en ce que
    sur le système de support et/ou sur la structure construite en acier est disposé un système d'amortissement.
  16. Dispositif de forage selon l'une des revendications 5 à 15,
    caractérisé en ce que
    sur ou dans le système de support est prévue une conduite pour le rinçage, le raccord inférieur de la conduite étant relié à la tête de rinçage intégrée de la tête de rotation par force et le raccord supérieur, par l'intermédiaire du cylindre creux, au tuyau de rinçage vers la pompe de rinçage.
  17. Dispositif de forage selon l'une des revendications 2 à 16,
    caractérisé en ce que
    le dispositif de vissage par force est relié de manière basculante au système de support au moyen d'une charnière, laquelle est disposée sur un côté du dispositif de vissage par force, ou est relié au système de support de telle façon qu'il est coulissant perpendiculairement à l'axe du système de support ou peut être levé par l'intermédiaire d'un accouplement avec la tête de rotation par force.
  18. Dispositif de forage selon l'une des revendications 12 à 17,
    caractérisé en ce que
    une partie de la structure construite en acier, de préférence un ou plusieurs piliers d'angle de la structure construite en acier, sont réalisés en tant que magasins de réserve de tiges ou en tant que logement pour un conteneur de tiges.
  19. Dispositif de forage selon la revendication 18,
    caractérisé en ce que
    le magasin de réserve de tiges est rotatif autour de son axe longitudinal.
  20. Dispositif de forage selon l'une des revendications 1 à 19,
    caractérisé en ce que
    le dispositif de forage et/ou le magasin de réserve de tiges est monté sur un véhicule ou une remorque.
  21. Installation de forage, caractérisée en ce que
    deux ou plusieurs dispositifs de forage selon une ou plusieurs des revendications 1 à 20 sont disposés, qui tour à tour sont mobiles ou rotatifs ou basculants au-dessus du centre du trou de forage.
  22. Installation de forage selon la revendication 21,
    caractérisée en ce que
    deux dispositifs de forage sont disposés approximativement symétriquement par rapport au centre du trou de forage, les dispositifs de forage étant reliés l'un à l'autre.
  23. Installation de forage selon la revendication 22,
    caractérisée en ce que
    une liaison des dispositifs de forage est créée par une chaíne essentiellement cinématique, de préférence un câble ou une chaíne.
  24. Installation de forage selon la revendication 22 ou 23,
    caractérisée en ce que
    entre deux dispositifs de forage est disposée une structure construite en acier, sur laquelle les dispositifs de forage peuvent être arrêtés mutuellement, les dispositifs de forage étant reliés par câble ou chaíne par l'intermédiaire d'un point de renvoi ou d'une poulie de renvoi, qui est disposée dans la structure construite en acier.
  25. Installation de forage selon la revendication 24,
    caractérisée en ce que
    un système d'amortissement est disposé sur les systèmes de support des dispositifs de forage ou de la structure construite en acier, l'unité d'amortissement étant constituée de préférence d'un vérin hydraulique et d'un étranglement.
  26. Procédé de forage d'un puits au moyen d'un dispositif de forage selon l'une des revendications 1 à 25, caractérisé en ce que
    a) une tige est roulée sur un système de support d'un dispositif de forage, la tête de rotation par force se situant dans une position supérieure et les préhenseurs du dispositif de manipulation de tiges étant rentrés dans le système de support puis
    b) le dispositif de manipulation de tiges saisit la tige, dès que celle-ci repose sur le système de support, dans la position prévue.
    c) Ensuite, au moyen du dispositif de levage, le système de support est levé d'une position horizontale dans une position comprise entre 5° et 90°.
    d) Pendant le levage du système de support, la tête de rotation par force est vissée par l'arbre d'entraínement (drive shaft) de la tête de rotation par force à la tige et serrée et ensuite rentrée dans la zone supérieure du dispositif de vissage par force avec le dispositif de manipulation de tiges ou au moyen du moteur linéaire, le dispositif de rupture et de serrage du dispositif de vissage par force tenant le raccord de tiges inférieur de la tige et le dispositif de maintien maintenant la ligne de forage.
    e) La tige est ensuite vissée, au moyen de la tête de rotation par force ou du dispositif de vissage par force, avec la ligne de forage dans le trou de forage.
    f) Le dispositif de manipulation de tiges est à nouveau rentré dans le système de support et le dispositif de maintien ouvert pour la tige inférieure reliée au trépan, et l'opération de forage est démarrée, la tête de rotation par force étant descendue dans le guidage du système de support.
  27. Procédé selon la revendication 26, caractérisé en ce que
    le système de support est dressé dans une position verticale ou quasiment verticale, au moyen du dispositif de levage, le système de support étant arrêté une fois cette position atteinte, dans une structure construite en acier, en particulier arrêté dans un mât ou une tour, et en ce que les étapes de procédé d) à f) suivantes sont également exécutées après l'arrêt du système de support.
  28. Procédé de forage d'un puits au moyen d'un dispositif de forage selon l'une des revendications 1 à 25, caractérisé en ce que
    la tige est prélevée d'un magasin de réserve de tiges, dans lequel la tige de forage est disposée debout, au moyen du dispositif de manipulation de tiges, lequel est intégré dans un dispositif de forage, et ensuite vissé à la tête de forage par force au moyen de raccords de tiges et amené dans la position de forage.
  29. Procédé selon la revendication 28, caractérisé en ce que
    après le retrait d'une tige, le magasin de réserve de tiges est tourné, par le dispositif de manipulation de tiges, autour de son propre axe longitudinal jusqu'à ce que la tige suivante puisse être saisie hors du magasin de réserve de tiges par le dispositif de manipulation de tiges.
  30. Procédé selon la revendication 28 ou 29,
    caractérisé en ce que
    après achèvement dune section de forage et détachement de la tête de rotation par force de la ligne de forage, le dispositif de forage est tourné dans le trou de forage autour de son axe longitudinal et ensuite, au moyen du dispositif de manipulation de tiges, après remontée de la tête de rotation par force, prélève une nouvelle tige du magasin de réserve de tiges.
  31. Procédé selon l'une des revendications 26 à 30,
    caractérisé en ce que
    deux ou plusieurs dispositifs de forage sont amenés en position autour d'un trou de forage, une tige de forage étant alternativement mise en place, tandis qu'un ou plusieurs des autres dispositifs de forage sont préparés pour le forage par l'admission d'une autre tige.
  32. Procédé selon la revendication 28 à 31,
    caractérisé en ce que
    une tige est prélevée d'un magasin de réserve d'outils, tandis que dans le même temps le magasin de réserve de tiges est approvisionné avec d'autres tiges.
  33. Procédé selon la revendication 26 ou 27,
    caractérisé en ce que
    le système de support, après l'admission de la tige et sa préparation pour le forage et avant le vissage avec la tige inférieure, est déplacée horizontalement dans le trou de forage.
EP99952441A 1998-08-19 1999-08-19 Dispositif de forage et procede de forage d'un puits Expired - Lifetime EP1105619B1 (fr)

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/DE1999/002598 WO2000011306A2 (fr) 1998-08-19 1999-08-19 Dispositif de forage et procede de forage d'un puits

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EP1105619A2 EP1105619A2 (fr) 2001-06-13
EP1105619B1 true EP1105619B1 (fr) 2003-10-08

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EP99952441A Expired - Lifetime EP1105619B1 (fr) 1998-08-19 1999-08-19 Dispositif de forage et procede de forage d'un puits

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EP (2) EP1108110B1 (fr)
AT (2) ATE251711T1 (fr)
CA (2) CA2344034C (fr)
DE (3) DE19837692C2 (fr)
NO (2) NO320520B1 (fr)
WO (2) WO2000011308A2 (fr)

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CA2362866A1 (fr) 2000-03-02
NO20010810D0 (no) 2001-02-16
EP1108110A2 (fr) 2001-06-20
NO20010811L (no) 2001-04-18
NO320520B1 (no) 2005-12-12
WO2000011306A2 (fr) 2000-03-02
ATE251711T1 (de) 2003-10-15
DE19837692A1 (de) 2000-03-02
NO20010811D0 (no) 2001-02-16
US6857483B1 (en) 2005-02-22
WO2000011308A2 (fr) 2000-03-02
CA2344034A1 (fr) 2000-03-02
EP1105619A2 (fr) 2001-06-13
US6581698B1 (en) 2003-06-24
WO2000011308A3 (fr) 2000-05-25
NO20010810L (no) 2001-02-16
NO317594B1 (no) 2004-11-15
DE59907737D1 (de) 2003-12-18
CA2362866C (fr) 2009-12-15
DE19837692C2 (de) 2003-04-03
DE59907313D1 (de) 2003-11-13
ATE254236T1 (de) 2003-11-15
CA2344034C (fr) 2008-01-15
EP1108110B1 (fr) 2003-11-12
WO2000011306A3 (fr) 2000-04-13

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