EP1105619A2 - Bohrvorrichtung und verfahren zum abteufen einer bohrung - Google Patents
Bohrvorrichtung und verfahren zum abteufen einer bohrungInfo
- Publication number
- EP1105619A2 EP1105619A2 EP99952441A EP99952441A EP1105619A2 EP 1105619 A2 EP1105619 A2 EP 1105619A2 EP 99952441 A EP99952441 A EP 99952441A EP 99952441 A EP99952441 A EP 99952441A EP 1105619 A2 EP1105619 A2 EP 1105619A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- drilling
- linkage
- rod
- support device
- support
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 169
- 238000000034 method Methods 0.000 title claims description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 36
- 239000010959 steel Substances 0.000 claims description 36
- 238000003860 storage Methods 0.000 claims description 33
- 238000011010 flushing procedure Methods 0.000 claims description 29
- 238000013016 damping Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000007858 starting material Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 description 14
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 238000003973 irrigation Methods 0.000 description 3
- 230000002262 irrigation Effects 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
Definitions
- the invention relates to a drilling device for a drilling rig and a drilling rig that can be used for exploration and production wells, in particular on hydrocarbon deposits, onshore and offshore, and a method for sinking such a well.
- Modern drilling rigs consist of a large number of components, such as a lift (Drawworks), a rod screwing device (Iron roughneck), a working platform (Rig floor), a rod handling system (Pipe handler), a rod storage (Pipe rack), one Crown bearing with a traveling block and a top drive as well as a pipe ramp and a catwalk for the drill pipe as well as various auxiliary devices for handling.
- Such drilling rigs have the disadvantage that they consist of a large number of components which, because of the constant changing of the drilling location of the drilling rigs, require complex and expensive logistics and extensive personnel.
- the European laid-open specification 0243210 A2 describes, for example, a conventional drilling device which has a modular structure. It contains all for
- a demountable drilling rig which is seated on a movable 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 gear 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.
- this drilling device still has a large number of components which are arranged in a modular manner, but are assembled and disassembled and are of drilling locality Drilling site must be transported. This requires considerable personnel and logistics expenses.
- the object of the invention is to propose a drilling device according to claim 1 and a drilling rig according to claim 21 and a method according to claims 26 and 18, which are associated with significant savings in terms of equipment of the drilling rig and logistics and personnel costs.
- the object is achieved by a drilling device according to claim 1, a drilling system according to claim 21 and a method according to claims 26 or 28.
- the drilling device consists of a support device, on or in which a rotary head axially displaceable to the longitudinal axis of the support device, a rod handling device which is movable, in particular displaceable perpendicularly to the longitudinal axis of the support device and which grips the drill rod, are arranged, the support device in the region the foot is pivotally and / or rotatably mounted.
- 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, travel block and lifting mechanism that are common in state-of-the-art drilling rigs.
- 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.
- the support device is in a type of rocker, z. B. in the form of a box construction.
- a further embodiment provides that below the
- Linkage handling device is arranged a power screwing device, which has a holding device and a breaking and countering device, wherein the holding device is usually arranged below the breaking and countering device. It is particularly advantageous to arrange only the breaking and countering device in the carrying or on the carrying device and the holding device z. B. on or under the work platform to reduce the weight of the support device.
- the power screwing device can also be arranged on the work platform.
- the drilling device can be arranged to be horizontally displaceable. This has the advantage of moving an in particular upright drilling device out of the area of the borehole and also adjusting it in relation to any rod bearings or in relation to the center of the borehole (center line). Furthermore, rods can advantageously be removed from a plurality of rod bearings arranged next to one another.
- a locking device is arranged, which is connected to a steel structure, which preferably consists of a tower or a mast. This has the advantage of being an additional one
- connection stiffness or bending stiffness is achieved, wherein the steel structure can be constructed much simpler and more flexible than conventional towers or masts.
- the locking device consists of a hollow cylinder to which a flushing hose is connected and to which a valve is arranged in order to ensure the flushing supply. Especially when the carrying device is pivoted, it is advantageous to integrate the flushing supply into the locking device, so that the flushing is available virtually automatically and without any further work step.
- a drum can be provided on or in the support device, onto which the flushing hose can be rolled up, so that the risk of tearing or other damage during the assembly and removal of the boom is avoided.
- a lifting device which in a particularly advantageous embodiment consists of one or more hydraulic or pneumatic cylinders or in one other variant is designed as a winch. This advantageously enables drilling at an angle of 5 ° to 90 ° to the top of the terrain.
- the power turret of the support device can be designed to be displaceable by means of a linear drive, the linear drive being arranged in or on the support device.
- a linear drive for example, a spindle drive, a hydraulic drive, a chain or a cable pull can be used as the linear drive.
- the guidance can be ensured, for example, by a slide rail, by toothed racks or guide rollers.
- the linear device consists of drive and guide.
- a boom storage facility is arranged within the reach of the boom handling device, the individual boom tubes being arranged upright in this boom storage facility.
- the linkage handling device completely or the gripper or the gripper receptacle are axially displaceable to the longitudinal axis of the support device, which advantageously allows the linkage to be handled better, e.g. B. when parking or picking up the boom from the boom storage. Another advantage is that such a rod handling device allows the pin and socket threads of the rod connector to be pushed together in a limited way.
- a further advantageous embodiment provides that the steel structure has a work platform, the pivot point and / or the pivot point of the support device being arranged above or below the work platform.
- the multiple variations of the drilling device make it possible to adapt the drilling device to the local circumstances of the drilling location.
- a further advantageous embodiment provides that a damping device is arranged on the support device and / or the steel structure, which Prevents damage caused by uncontrolled collisions when setting up the carrying device or when locking. A damping of the load when erecting or putting down the carrying device can thus advantageously be achieved.
- a line for the flushing is provided on or in the carrying device, the lower connection of the line being connected to the flushing pump and the upper connection being connected to the flushing hose via the hollow cylinder.
- the power screw connection device is pivotally connected by means of a hinge which is arranged on one side of the power screw connection device or, in a further variant, is connected to the support device such that it can be displaced perpendicular to the axis of the support device.
- a hinge which is arranged on one side of the power screw connection device or, in a further variant, is connected to the support device such that it can be displaced perpendicular to the axis of the support device.
- Another possibility is to lift the power screwing device via a coupling with the power turret.
- the advantage of such a design is that the downhole equipment can also be installed in the borehole with a vertical support device.
- the hinge can e.g. B. be designed as a welding hinge.
- the power screwing device can also be mounted in a conventional manner on the work platform.
- the drilling device is characterized in that a part of the steel structure, preferably one or more corner posts of the steel structure, is designed as a rod storage facility or as a receptacle for rod container. This saves weight and simplifies the entire installation, since fewer components are required, which overall saves costs on the one hand and also enables a modular system to be established on the other.
- the rod container can also be rotatably mounted about its longitudinal axis.
- the magazine can be loaded independently of the continuous drilling operation or that there is always a linkage within reach of the linkage handling system for removal.
- an embodiment which provides that the drilling device and / or the rod storage bearing are mounted on a vehicle or on a trailer and thus the portability and also the flexibility of use are significantly increased.
- a drilling rig is also claimed, which is characterized in that two or more drilling devices are arranged, which are alternately moved, or rotated, or pivoted over the center of the borehole. This advantageously means that the drilling times are significantly reduced
- the second drilling device is able to connect the previously loaded rod to the drill string in the borehole and to further drill the hole. This also advantageously creates a drilling rig with which drilling can be carried out almost continuously. Also, only a minimum of drilling personnel is required, since the drilling system according to the invention can be operated almost fully automatically, particularly when handling the rods, casings, etc. Drilling devices that are rotatably mounted do not have to be connected and can be driven separately.
- a special embodiment of such a drilling system provides that two drilling devices are arranged essentially symmetrically, in particular axially symmetrically, with respect to the center of the borehole, the drilling devices being connected to one another.
- This connection is preferably accomplished by an essentially kinematic chain, a claw shaft, a rope or a chain.
- Drilling devices that are rotatably mounted do not have to be connected and can be driven separately.
- a steel structure is arranged between the two drilling devices, on which the drilling devices can be mutually locked, the drilling devices being connected by means of a rope or chain via a revolving point or a revolving roller, which are arranged in the steel structure.
- the damping unit z. B. consists of a hydraulic cylinder and a throttle, has the advantage that the load can be damped when setting up or putting down a support device of the drilling devices.
- the method according to the invention for sinking a bore and for installing drill rods is characterized in that a rod is rolled onto a supporting device of a drilling device according to one of claims 5 to 25, the rotary power head being in an upper position and the grippers of the rod handling device in the carrying device is retracted and then
- the boom handling device grips the boom as soon as it lies on the carrying device in the intended position.
- the support device is then set up by means of a lifting device from a horizontal position to a position between 5 ° and 90 °, in a preferred embodiment the support device of a steel structure or in a mast or tower is locked when the vertical or almost vertical position is reached.
- the power turret is screwed and countered by the drive shaft of the power turret with the linkage and then with the linkage handling device or by means of the linear drive into the upper area of the linkage screwing device, the lower breaking - or counter device of the rod screwing device grasp the lower rod connector of the rod and the holding device holds the strand.
- the linkage is by means of a rotary head or
- Rod screwing device screwed to the drill string in the borehole.
- the boom handling device is retracted into the carrying device and the holding device for the lower linkage connected to the drill bit is opened and the drilling process is started, the power turret being lowered in the guide of the carrying device.
- a further process step provides that the carrying device is displaced horizontally between the reception of the rod and its preparation for drilling and the screwing to the lower rod, which is what The advantage of this is that a further drilling device can continue to sink the hole.
- a further embodiment of the method according to the invention provides that the rod is removed from a rod storage, in which the drill rod is arranged vertically, by means of a rod handling device, which is integrated in a drilling device according to claim 1, and then screwed to the power turret via the rod connector and in the drilling position brought.
- the advantage of such a method lies in the fact that the drilling of the borehole can be carried out in a space-saving and energy-saving manner using the integrated drilling device.
- the linkage storage facility can be removed by a linkage after the linkage has been removed
- the boom handling device is rotated around its own longitudinal axis until the next boom from the boom storage facility can be reached by the boom handling device.
- the next linkage is automatically available for the next drilling section in an advantageous manner.
- the method can advantageously also be designed in such a way that the drilling device is rotated about its longitudinal axis after completion of the one drilling section and release of the torque head from the drill string in the borehole, and a new linkage is then removed from the rod stock storage after the force head has been raised. This clears the center of the borehole and, while the drill handling device of the drilling device is loading a new drill pipe, a second drilling device can sink the hole further.
- a further method step provides that two or more drilling devices are brought into position around a borehole, alternately a drill pipe is sunk, while one or more of the further drilling devices are prepared for drilling by receiving a drill pipe. Through this mutual play of two or more drilling devices, a higher drilling progress per unit of time can be achieved and the set-up dead times can be reduced.
- a further embodiment of the method according to the invention provides that a rod is removed from a rod storage stock for the installation of drill rods, while at the same time further rods are fed to the rod storage bearing, which has the advantage that the set-up times can be minimized even more because the loading of the rod storage can be done regardless of the drilling of the hole. This also reduces downtime.
- the method according to the invention can also be used in the reverse order of the method steps for the expansion of linkage, wherein elevators can also be used, which are arranged below the rotary power head and independently enclose the linkage (the tool joint). This does not pull over the threaded connection.
- Casings, pipe tours, piping, etc. can also be used instead of rods.
- the rod storage can be designed as pipe bins or as a finger platform.
- a boom often consists of several individual boring bars (double or triple stands) that have been screwed together before being parked in the boom storage facility. However, a boom can also consist of only one boring bar (single stands).
- Figure 1 shows the front view of a support unit with the individual components.
- 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 top view of a boom handling device.
- FIG. 5 shows the side view of a gripper unit along the line A A 'of the boom handling device in FIG. 4.
- FIG. 7 shows the top view of a power screw connection device.
- FIG. 8 shows a section through a locking device with an integrated flushing supply
- FIG. 9 shows the top view of a drilling rig which provides two drilling devices located opposite one another.
- FIG. 10 shows a side view of a drilling rig according to the invention with two drilling devices;
- FIG. 11 shows a further exemplary embodiment of a guidance of the power rotary head in the carrying 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, which is constructed from a breaking and countering device 11 and a holding device 12, the holding device optionally being In order to save weight, for example, it can also be arranged on a work platform outside, for example below, the rocker 1.
- the rocker 1 can be moved from the horizontal to the vertical by a pivoting device 5 and additionally by means of a Slewing ring 6, which can consist, for example, of a toothed ring, is rotatably mounted about the longitudinal axis in the vertical position of the rocker arm.
- a carrying device can also be designed only with a swivel device 5 or a slewing ring 6.
- the connecting element 13 is at its upper end connected to the carrying device 1 via a pivot bearing with bolts 8, at the bottom it sits on d em slewing ring 6.
- 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 mounting plate 18 for the lifting device (not shown) is connected to the rotating ring 6 or the connecting element 13, so that the mounting plate 18 is also moved when the drilling device rotates.
- the power turret 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 moved parallel to the longitudinal axis 20 of the rocker 1 from top to bottom or from bottom to top, preferably by means of a linear drive (not shown) which is integrated in the rocker 1.
- an insertion cover 70 for a 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 flushing feed device can also be integrated into this locking device. If the drilling device is without
- the drilling device sits on a displacement device 3, which can be displaced on guides or rails 16 by means of rollers 15.
- 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 rotary power head.
- 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 seat 36.
- the gripper receptacle 36 can be arranged to be displaceable.
- the iron roughneck (linkage screwing device) 4 is integrated in the lower area of the rocker 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 swiveling device or a combination of two of these devices.
- the lifting device 7 is at the top of the
- Rod handling device 30 has been shown in simplified form in this example. So an up and down movement cannot be carried out.
- Mounted guide rails 22 which serve to receive the turret mounting plate 25.
- this receiving plate 25 consists of a bending structure formed from a U-shaped folding profile, in which the roller axes 24 for the guide rollers 23 are mounted laterally.
- the power turret housing 26 are also with the
- the guide rollers 23 are mounted with roller bearings and serve to guide the receiving plate 25 in the linear axis.
- linear drive (not shown)
- the linear drive can be implemented using chains as well as ropes.
- Another possibility would be a lifting device for the receiving plate 25 with the
- Receiving plate 25 is moved axially to the longitudinal axis of the support device 1.
- 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, a gripper arm 38, one Expansion cone 41, a mounting plate 46 and rollers for the gripping arm 48.
- the lifting movement is made possible by a scissor system.
- the scissors 34 are fixed on one side by fixed bearings 51.
- rollers 40 are fastened, which lie in guides of the basic slide 35 or upper slide 45.
- a hydraulic cylinder 33 which is installed in the lower scissor area between the axles on
- the scissors 34 can be contracted or expanded. In order to facilitate the lifting movement from the bottom dead center, this movement is supported by compression springs 50.
- the kinematics of the lifting device can also be designed so that lifting out of the dead center is avoided. This can e.g. B. happen that the closed position of the scissors 34 in the Kinematics of the lifting device can also be designed so that lifting out of the dead center is avoided. This can e.g. B. happen that the closed position of the scissors 34 is not chosen essentially parallel to the cylinder, but a residual angle of 15 °, for example, remains.
- the gripper receptacle 36 is arranged on the upper slide 45 in a linearly movable manner.
- This gripper seat 36 can be moved parallel to the axis of the carrying device 1 by means of a pneumatic or hydraulic cylinder 32 which is fastened to the upper slide by means of a holder 42.
- the linear guide 39 enables the rods to be retracted into the screwing and breaking device of the Iron-Roughneck 4.
- Expansion cone 41 Expansion cone 41, a cylinder 31, a receiving plate 46 for the gripper arms 38 and return springs 49, gripper 37 and rollers 48 for the gripper arms 38 are attached.
- the grippers 37 can about the lifting ratio of the gripper arm
- the sheet metal brackets 42 and 43 serve to hold the cylinders 32.
- reinforcing ribs 47 are used as
- FIG. 7 shows the top view of a power screw connection device 4.
- This power screwing device 4 is fastened on a base plate 87 and can be pivoted by means of hinge 81.
- the power screwing device is fastened to hinges 81, which is connected to the carrying device 1 in order to enable the installation of downhole equipment.
- the power screwing device is secured by a locking pawl 89 with a lock in order to prevent pivoting away during drilling.
- the spacer 82 is located between the Base plate of the Iron-Roughneck and the carrying device 1 and also serves as a damping unit in the latched state.
- the power screwing device 4 does not need to be integrated into the carrying device, B. be arranged on the work platform.
- 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.
- the flushing can, if pressure P ⁇ in the
- Control pressure chamber 72 is present and the hollow cylinder 67 is in a lower locking position, through which holes 69 enter the interior of the hollow cylinder 67 and are fed to the flushing hose, which is integrated in the carrying device 1, through the opening 75.
- 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).
- the pressure chamber (B1) 72 By actuating the pressure chamber (B1) 72 with P-i, the flushing is supplied via the opening 71 and, at the same time, the support device 1 is locked by moving the hollow cylinder 67 into the insertion cover 70.
- the insertion cover 70 represents the uppermost part of the carrying device 1.
- the insertion cover 70 is carried out by means of a seal 74.
- the flushing connection hose 59 is connected to a connection or coupling piece 58 by means of a connector 57.
- the connector 58 is attached to the cover 70.
- the irrigation connection hose 59 leads to the irrigation head.
- 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 drilling device is drilling, the other drilling device can be loaded with a new rod 78 from the rod bearing 79 or can be prepared for screwing with the rod located in the borehole 103.
- a linkage 78 is gripped from one of the storage facilities 79 in such a way that the rocker is rotated in the vertical position by about 90 ° via the rotating device 6 and then by means of the linkage handling device which is arranged in the linkage handling area 30 in the linkage 1 is, a linkage 78 grips and then rotated back into the original position.
- the entire system can be moved in a linear guide so far in the direction of the borehole 103 that the linkage is located above the center of the borehole 9.
- the displacement device is characterized by lateral rollers 15 which are guided on two rails 16. With 90 the corner posts of a steel structure (not shown) are designated, in which the support device 1 is locked by means of the cover 70.
- the displacement device 3 is, for. B. unnecessary if the support device 1 is loaded in a horizontal position with the linkage.
- the locking device 60 which is shown in FIG. 8, the flushing is conducted via the insertion cover 70 into the rod or the borehole.
- the rocker is moved out of the borehole area by means of the displacement device 3 after the locking device 60 has been released from the locking of a steel structure, not shown.
- a sliding device z. 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. In this embodiment, three rod storage bearings 79, which are also referred to as receptacles, are erect on both sides of each drilling device. A special
- Design of a unit consisting of three rod storage bearings 79 is shown on the left side.
- the rod storage 79 are standing on one Sliding system of rails 95, 96 arranged.
- 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 linkages can be moved in two directions by this displacement system or exchanged with one another.
- the system is designed with rails 95, 96 both in the longitudinal and in the transverse direction.
- 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 which 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 rollers, 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 bore with a
- the steel structure consists of corner posts 90, only the rear two being shown here, as well as 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 can be arranged on the steel structure between the corner posts, which is approximately at the height of the slewing ring 6 or the swivel device 5.
- a device is attached to the work platform 100, which receives the holding wedges 80. These serve to intercept or hold the rod located in the borehole 103 while loading new rod 78 from the rod bearing 79.
- the power screwing device 4 is arranged in FIG. 10 on the carrying device 1, specifically in the lower region. In a variant of the drilling system, not shown, the power screwing device is not arranged on the carrying device, but on the work platform 100.
- the two support devices 1 have simplified
- Linkage 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 such that they can move vertically when the rod storage bearings are upright. In the normal case, however, boom handling devices 30 are used which can perform lifting movements.
- the boom storage or the boom receptacle 79 are parked side by side on a stage 101. They are filled with linkage 78.
- the support devices 1 can be moved along the stage 101 via the displacement device 3 by means of the rollers 15 on rails 16.
- the support devices 1 are also rotatably mounted on slewing rings 6 in order to, for. B. to remove a rod 78 from the rod bearing 79 a 90 turn
- the pivoting device 5 and the lifting device 7 are not necessary in this case. But it can be used if at another drilling site, 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-hand drilling device shortly before the drilling process, and because of the better stability with the steel structure, it passes over the insertion cover 70 and the locking device 60 is detachably connected.
- Boring bar 14 is already in borehole 103, which is rod handling device 30
- the second, left-hand drilling device is traveling backwards on the rails 16, that is, away from the borehole (to the left in the illustration), in order to load a new drill rod 78 from one of the rod storage bearings 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 power guide, in which the guide is arranged within the carrying device 1.
- guide rails 22 are mounted in the support device and serve to receive the lateral guide plates 20 by means of the guide rollers 23.
- the rollers 23 for the axial movement are mounted on these lateral guide plates 20.
- These guide rollers 23 are, for. B. roller bearings and lead the entire structure in a linear axis.
- Gusset plates 21 are welded onto the side guide plates 20, which serve to reinforce the receiving plates.
- the mounting plate 25 for the top drive is mounted on this welded construction. With the help of a linear drive, the above-mentioned. Arrangement a linear movement can be performed. This linear drive can be driven via chains, ropes or via a fluid technology solution (hydraulic, pneumatic, etc.).
- a further embodiment according to the invention provides that a boom handling device is not arranged directly on the carrying device (1), but on the power head housing (26) or the mounting plate (25) for the power head housing (26) and coaxial with the longitudinal axis thereof Carrier (1) moves.
Landscapes
- 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)
- General Induction Heating (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Drilling Tools (AREA)
Description
Claims
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 (de) | 1998-08-19 | 1999-08-19 | Bohrvorrichtung und verfahren zum abteufen einer bohrung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1105619A2 true EP1105619A2 (de) | 2001-06-13 |
EP1105619B1 EP1105619B1 (de) | 2003-10-08 |
Family
ID=7878074
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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EP99952441A Expired - Lifetime EP1105619B1 (de) | 1998-08-19 | 1999-08-19 | Bohrvorrichtung und verfahren zum abteufen einer bohrung |
EP99952442A Expired - Lifetime EP1108110B1 (de) | 1998-08-19 | 1999-08-19 | Bohrvorrichtung und verfahren zum abteufen einer bohrung |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99952442A Expired - Lifetime EP1108110B1 (de) | 1998-08-19 | 1999-08-19 | Bohrvorrichtung und verfahren zum abteufen einer bohrung |
Country Status (7)
Country | Link |
---|---|
US (2) | US6581698B1 (de) |
EP (2) | EP1105619B1 (de) |
AT (2) | ATE254236T1 (de) |
CA (2) | CA2344034C (de) |
DE (3) | DE19837692C2 (de) |
NO (2) | NO317594B1 (de) |
WO (2) | WO2000011308A2 (de) |
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Also Published As
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---|---|
DE19837692C2 (de) | 2003-04-03 |
NO317594B1 (no) | 2004-11-15 |
WO2000011308A2 (de) | 2000-03-02 |
DE59907313D1 (de) | 2003-11-13 |
EP1108110A2 (de) | 2001-06-20 |
DE19837692A1 (de) | 2000-03-02 |
ATE251711T1 (de) | 2003-10-15 |
CA2344034C (en) | 2008-01-15 |
NO20010811L (no) | 2001-04-18 |
US6857483B1 (en) | 2005-02-22 |
ATE254236T1 (de) | 2003-11-15 |
DE59907737D1 (de) | 2003-12-18 |
EP1108110B1 (de) | 2003-11-12 |
CA2344034A1 (en) | 2000-03-02 |
US6581698B1 (en) | 2003-06-24 |
CA2362866C (en) | 2009-12-15 |
NO20010810L (no) | 2001-02-16 |
EP1105619B1 (de) | 2003-10-08 |
NO320520B1 (no) | 2005-12-12 |
NO20010810D0 (no) | 2001-02-16 |
WO2000011308A3 (de) | 2000-05-25 |
WO2000011306A3 (de) | 2000-04-13 |
WO2000011306A2 (de) | 2000-03-02 |
CA2362866A1 (en) | 2000-03-02 |
NO20010811D0 (no) | 2001-02-16 |
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