EP2553202A2 - Procédé pour faire fonctionner un dispositif de forage horizontal et dispositif de forage horizontal - Google Patents
Procédé pour faire fonctionner un dispositif de forage horizontal et dispositif de forage horizontalInfo
- Publication number
- EP2553202A2 EP2553202A2 EP11714932A EP11714932A EP2553202A2 EP 2553202 A2 EP2553202 A2 EP 2553202A2 EP 11714932 A EP11714932 A EP 11714932A EP 11714932 A EP11714932 A EP 11714932A EP 2553202 A2 EP2553202 A2 EP 2553202A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- drill string
- drilling device
- horizontal drilling
- rotary drive
- section
- 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 119
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 238000009412 basement excavation Methods 0.000 description 31
- 239000002689 soil Substances 0.000 description 17
- 239000012530 fluid Substances 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 210000000276 neural tube Anatomy 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/046—Directional drilling horizontal drilling
-
- 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
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/02—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil
- E21B49/06—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil using side-wall drilling tools pressing or scrapers
Definitions
- the invention relates to a method for operating a horizontal bore and a horizontal boring device.
- Horizontal drilling devices are used to bring in trenchless construction supply and disposal lines in the ground or already laid old lines trenchless exchange.
- Horizontal drilling devices are widely used, in which a drill head is initially driven obliquely into the soil by means of a drill pipe and, starting from a drilling carriage positioned on the earth's surface, until the drill head reaches the desired drilling depth. Then the drill head is reversed to the horizontal to perform the actual horizontal bore.
- the target point of such a horizontal well may be, for example, in a specially excavated target mine or in a basement room or he may also, i. as the starting point, are located at the surface of the earth, so that the drill head is reversed after a certain Bohr progress in an obliquely upward direction to let the drill head to exit again on the earth's surface.
- CONFIRMATION COPY (Pilot) bore to widen. It can be provided to attach to the expansion device a newly retracted line to collect these simultaneously with the expansion of the pilot hole in the soil.
- Horizontal drilling rigs are also used to replace trenchless trenchings buried underground.
- the drill string is pushed by the drill carriage along the old line (and in particular by an old pipe) and after reaching a destination point, which may for example lie in a maintenance shaft of the sewer, the front end of the drill string connected to a widening device the old line is cut or ruptured during the retraction of the drill pipe, the parts of the destroyed old pipe are displaced radially into the surrounding soil.
- a new pipe can be pulled into the old pipe.
- the new pipe can have an outer diameter which corresponds to or even exceeds the outer diameter of the old pipe.
- Horizontal drilling devices regularly have a linear drive, with which the drill string is driven in the ground and withdrawn; Furthermore, a rotary drive is provided regularly, with which the drill pipe (and thus the associated drilling or expander) can be set in rotation. Through the rotation of the drill head or the expander the propulsion in the soil can be improved.
- a rotation of the drill head is required in order to be able to control it in the desired drilling direction.
- the drill heads of such horizontal drilling devices have an asymmetrically shaped (e.g., bevelled) drill head front that results in lateral deflection of the drill head during movement through the soil. If the drill head is driven in rotation simultaneously with the driving in the ground, the asymmetrical design of the drill head has no influence on the straight bore course, because the lateral deflection compensates in the middle of a turn.
- Horizontal wellhead drilling rigs are often only suitable for use in out-of-town areas as they must be positioned at a considerable distance from the area because of the tapping path required to achieve the desired depth of drilling , in which the bore or the new line in the
- This horizontal drilling device comprises a frame whose dimensions correspond approximately to the cross-sectional dimensions of the excavation and which is lowered into the excavation. A part of the frame protrudes beyond the upper edge of the excavation.
- a combined linear / Rotary drive provided over a screwed from individual rod sections together drill pipe is driven into the soil.
- the linear / rotary drive comprises a rotary drive which can be displaced in the horizontal direction within the frame by means of the linear actuator consisting of two hydraulic cylinders.
- the last rod assembly is fixed non-positively in the rotary drive, for which the rotary drive has jaws.
- the rod sections which are gradually screwed to the rear end of the already drilled drill string, are fed to the linear / rotary drive via a linkage lift, which is from a rod magazine in the upper, over the edge of the pit extending portion of the frame is arranged, transported to the linear / rotary drive.
- the linkage comprises a changer motor whose motor shaft is provided with a threaded pin.
- the threaded pin is screwed into the rear end of a linkage, which is intended for transport to the linear / rotary drive.
- a disadvantage of the known from DE 196 33 934 A1 horizontal drilling device is that due to the coaxial alignment of the changer motor, the new rod assembly and the drill string only relatively short (compared to the length of the frame) rod sections can be used. However, the shorter the individual rod sections, the more frequently new rod sections have to be attached to the drill pipe in order to introduce the hole of the desired length into the ground. The preparation or release of a rod section is associated with a considerable amount of time.
- the invention was the object of an improved method for operating a horizontal drilling and a specify improved horizontal drilling device.
- a method for operating a horizontal drilling device which allows the use of as long as possible rod sections and a horizontal drilling device, which is suitable inter alia for carrying out this method should be specified.
- the invention is based on the idea of providing as long as possible drill pipe sections for the drill string in order to minimize the time required for a linkage change (i.e., the attachment of a linkage to / from the drill pipe).
- drilling devices which - as is known from DE 196 33 934 A1 - are arranged in a pit with small dimensions, the maximum length that may have the rod sections, limited by the dimensions of the pit in the direction of the drilling axis. In such drilling devices, there is also the problem of handling the rod sections during the linkage change.
- the present invention is therefore based on waiving a changeover motor, as it is present in the drilling device of DE 196 33 934 A1, the linkage of the rod sections by means of the rotary drive (via which the drill pipe during rotation of the drill then rotatably driven) Deutschenzure Since, according to the invention, recourse is additionally made to a rotary drive which does not engage the front or rear end of the rod sections but engages around them (so that it engages the jacket of the respective rod section), a length loss due to the design of the rod sections is avoided. These can thus be formed as long as possible.
- a method according to the invention for operating a drilling device which has a linear drive, a rotary drive which can be moved by means of the linear drive and a drill rod which is designed as a drill string of a plurality of rod sections connected to one another, wherein the rotary drive forms a passage opening into which the drill string can be plugged is and wherein in the through hole force transmission means for transmitting pressure and / or tensile forces and / or a torque are provided on the drill pipe, according to the invention is characterized in that a rod assembly is fixed within the passage opening of the drill string and connected by a linear and / or rotational movement of the rotary drive with the rear end of the drill string or is released from this.
- the linkage boom provided for the linkage change is fixed in a form-fitting manner within the passage opening of the rotary drive.
- a positive fixation of the rod sections has opposite to the
- a corresponding horizontal drilling device which is particularly suitable for operation according to a method of the invention, has a linear drive, a movable by means of the linear drive rotary drive and a drill pipe, wherein the rotary drive forms a through hole into which the drill string is pluggable.
- the rotary drive within the passage opening on force transmission means for the positive transmission of pressure and / or tensile forces and / or torque on the drill string on.
- the force transmission means are formed so that the drill string in a first angular position (the power transmission means relative to the drill string) can be plugged into or removed from the rotary drive, while in a second angular position a locking of Linkage is given, can be transmitted in accordance with the invention pressure and / or tensile forces and / or torque.
- a locking of the linkage within the rotary drive is thus achieved via a relative rotation of the rod assembly relative to the power transmission means of the rotary drive.
- a locking of the drill string in the rotary drive by a relative rotation can preferably be achieved in that the force transmission means comprise a power transmission ring which forms an opening through which the drill string can be inserted through.
- the drill pipe has, in at least one first section, a first cross section corresponding to the cross section of the opening so far that the linkage can be inserted through the opening of the power transmission ring in only the first angular position.
- the drilling rod in at least a second portion, which is formed as a portion of the first portion, a different from the first cross section second cross section, which is formed so that the linkage is rotatable only in the second angular position, when the second portion within the opening of the power transmission ring is located.
- the power transmission ring is interchangeable arranged in the rotary drive.
- the cost of maintenance of the horizontal boring device according to the invention is kept low, since the power transmission ring, which is subject to a relatively large wear by the locking contact with the drill string, can be replaced without having to replace the entire rotary drive.
- the drill string has a circular base cross-section, wherein this circular base cross-section in the first section is flattened at least on one side (and preferably on two sides with opposite parallel flats). Further preferably, the drill string may then have in the second portion at least one (preferably two) arcuate groove (s) which terminates in the lateral flattening (s).
- the drill string is designed as a drill string of a plurality of interconnected rod sections, wherein each rod section has at least two first sections and at least two second sections. This can ensure that the rotary drive or the power transmission means of the rotary drive can engage two (spaced apart in the longitudinal direction of the rod assembly) positions of each rod section. By engaging the rotary drive at least two positions each
- Gestfiteschusses can - in a preferred embodiment of the method - the rod assembly for the rod change at a first position and for drilling the drill string is fixed at a second position. This makes it possible to design the rod assembly longer than the maximum stroke of the linear drive, which generally always has to be considerably shorter than the length of the excavation pit (in the direction of the drilling axis) for structural reasons.
- a first and a second section are in the region of the two ends of each rod section, between which see at least a third section is arranged, which have a lower bending stiffness than the two first sections.
- the speed of this third section can be adjusted to the overall bending stiffness of the individual boom section and thus of the entire drill string.
- the rotary drive of the horizontal drilling device preferably has a hollow gear with a bevel gear driven by a motor, wherein the bevel gear meshes with a toothed ring, which in turn is rotatably connected to the power transmission means.
- This configuration makes it possible to arrange the motor of the rotary drive in the vertical direction (i.e., perpendicular to the drilling axis) within the excavation, whereby the rotary drive as a whole can be kept as short as possible (in the direction of the drilling axis).
- the smallest possible stroke for the rotary drive moving linear drive can be realized in tight spaces.
- the linear drive of the horizontal drilling device is preferably in the form of one or more drive cylinders (preferably operated hydraulically or pneumatically).
- the rotary drive can then be connected to the linear drive by being connected to the cylinder tube (s) of the drive cylinder (s).
- FIG. 1 shows a horizontal drilling device according to the invention in a perspective view
- FIG. 3 shows an enlarged detail of the illustration according to FIG. 2;
- FIGS. 1 to 3 shows the lower section of the horizontal drilling device according to FIGS. 1 to 3 in a perspective view
- FIG. 5 shows the illustration according to FIG. 4 in another operating position of FIG
- 6 is an isolated view of the rotary drive of the horizontal drilling device in a perspective view
- 7a shows an isolated view of the boom support of the horizontal drilling device in a first operating position in a perspective view
- 7b is an isolated view of the boom support of the Horizontalbohrvorrich- device in a first operating position in a sectional side view.
- FIG. 8 a an isolated view of the boom support of the horizontal drilling device in a second operating position in a perspective view
- FIG. 8b shows an isolated representation of the boom support of the horizontal drilling device in a second operating position in a sectional side view
- 9a is an isolated view of the driving ring of the rotary drive including a rod section in a first operating position in an isometric view;
- Fig. 9b is a front view of the drive ring shown in FIG. 9a and
- Rod section; 10a is an isolated view of the driving ring of the rotary drive including a rod section in a second operating position in an isometric view;
- FIG. 10b is a front view of the driver ring shown in FIG. 10a and
- Fig. 1 1 is an isolated view of the boom support and the lower
- FIG. 1 shows an isometric view of a horizontal drilling device 1 according to the invention when introducing a pilot hole in the soil.
- the horizontal drilling device comprises a cylindrical housing 2, which is partially closed by a cylindrical jacket 3. Functionally, the horizontal boring device 1 or the housing 2 of the horizontal boring device 1 is subdivided into two sections, namely a lower section called "pit section", which is located inside a excavation pit 4 specially excavated for receiving the horizontal boring device 1. In the pit section of the horizontal boring device 1, the housing 2 is substantially completely closed by the jacket 3. This prevents that soil dissolving from the wall of the excavation 4 falls into the cavity formed by the housing 2, where further functional elements fall. elements of the horizontal drilling device 1 and in particular a combined linear / rotary drive 5 is located. Otherwise, soil falling into the cavity could contaminate these functional elements, which could impair the function of the horizontal drilling apparatus 1.
- the housing 2 is partially open in order to give an operator access to a linkage pin 6 extending into this area.
- the horizontal drilling device 1 is positioned "suspended" within the excavation 4, that is, this is not supported on the bottom of the excavation 4, but rather on a support device with a total of three support legs 7, in the region of the surface portion of the horizontal drilling device 1 on side rails 8 of the housing
- Each of the support legs 7 can be fastened to the respective side member 8 in a total of five different positions, thereby enabling height adjustment of the horizontal drilling device 1 suspended in the excavation 4.
- This height adjustment is important, for example, for the linear located inside the pit section
- Positioning of the support legs 7 at the various positions along the side members 8 takes place in each case via a transverse pin 9, which passes through a through hole in a cross member 1 0 of the respective support leg 7 and the respective longitudinal member 8 of the housing 2 inserted through and then fixed.
- Each of the support legs 7 further comprises a spindle support, which is connected via a rotary joint with the cross member 10 of the respective support leg 7.
- the spindle support comprises a threaded rod 1 1, which has a support leg 12 at its foot end.
- a handle 13 is provided, via which the threaded rod 1 1 can be rotated about its longitudinal axis, whereby a longitudinal displacement relative to the threaded housing surrounding the spindle housing 14 is achieved.
- the spindle supports serve to align the horizontal drilling device 1 within the pit 4 exactly after a first height positioning has already been achieved by the attachment of the support legs 7 to the side rails 8 of the housing 2.
- the excavation 4 - as well as the housing 2 of the horizontal drilling device 1 - has a cylindrical shape whose inner diameter also corresponds substantially to the outer diameter of the housing 2 of the horizontal drilling device.
- the shell 3 of the horizontal drilling device 1 in the region of the pit section is thus more or less directly against the wall of the Excavation 4 on. Due to the close match of the inner diameter of the excavation 4 and the outer diameter of the housing 2 not only the size of the excavation pit 4 to be excavated can be kept to a minimum, but it can simultaneously the largest possible and homogeneous support of the Horizontalbohr- device 1 achieved within the excavation 4 become.
- the excavation 4 was excavated by first with a crown drill (not shown), an annular groove with the required (outer) diameter in the surface seal (asphalt surface) was introduced, which removes dislodged disc-shaped asphalt cover and then the underlying soil by means of a Suction dredger (not shown) was sucked.
- the suction dredger used for this purpose comprises a suction nozzle, which likewise has a circular cross section.
- the excavation 4 is excavated slightly lower than necessary in order to allow a height adjustment of the suspended horizontal drilling device 1 within the excavation 4, without causing an accidental placement of the lower end of the horizontal drilling 1 on the pit floor.
- the horizontal drilling 1 was lowered by means of a crane (not shown) in the pit 4 until the previously secured to the side rails 8 of the housing 2 support legs 7 have contact with the earth's surface. With the help of the crane, the horizontal drilling device 1 was then still rotatorially aligned within the excavation by being rotated so far about its longitudinal axis until the of the arranged within the pit portion of the Horizontalbohrvorides 1 linear / rotary drive defined drilling axis in the desired starting direction for the Pilot bore points. On the spindle supports then a fine adjustment of the working height of the horizontal drilling device 1 and within limits of the inclination of the horizontal drilling device 1 with respect to the vertical could be achieved.
- the horizontal boring device 1 Since the wall of the excavation 4 - in particular when it was excavated by means of a suction dredger - is not uniformly cylindrical, the horizontal boring device 1 according to the invention has in the region of the excavation section a total of four support elements 15 distributed uniformly over the circumference. These support elements 15 comprise support plates 16, which in a retracted position in each case form a section of the cylindrical jacket 3 of the horizontal drilling device. The support plates 16 can each be deflected by means of a hydraulic cylinder 17 in the radial direction to the outside to make a direct contact of the horizontal drilling device 1 with the wall of the excavation 4 in order to safely support these within the excavation 4.
- Each of the support plates 16 is connected via a first pivot 18 to a first end of a Auslenkhebels 19, which in turn is rotatably supported by a second pivot joint 21 on the housing 2 of the horizontal drilling device 1.
- a second end of the Auslenkhebels 19 is connected to the head of a piston rod 20 of the hydraulic cylinder 17.
- a extension and retraction of the hydraulic cylinder 17 thus causes a partial rotation of the Auslenkhebels 19 about the pivot 21, whereby the respective support plate 16 can be deflected radially or withdrawn.
- End stops 22 prevent the support plate 16 when retracting the hydraulic cylinder 17 penetrates into the interior defined by the shell of the housing.
- Fig. 2 shows one of the Fig. 1 corresponding representation of the entire horizontal drilling device 1, but in which a part of the shell 3 is removed in the pit section to make visible the functional elements arranged therein.
- FIGS. 3 to 5 show different views of this section of the horizontal drilling device 1 in enlarged views. It can be seen that the combined linear / rotary drive 5 is arranged at the lower end of the horizontal drilling device 1 within the housing 2. This serves to propel a composite of individual rod sections 23 drill pipe 24 rotating in the soil.
- FIG. 6 shows a partial section through the linear / rotary drive 5 in a representation isolated from the remaining elements of the horizontal drilling device 1.
- the linear drive is formed by two hydraulic cylinders 25.
- the piston rods 26 of the two hydraulic cylinders 25 pass through the respective cylinder tube 27 completely and are connected at their two ends to the housing 2 of the horizontal drilling device 1.
- the piston rods 26 each have a centrally disposed piston (not shown), which divides the respectively formed between the cylinder tube 27 and the piston rod 26 annular space into two working chambers, which can be supplied via a hydraulic line 66 with the hydraulic oil.
- a movement of the respective cylinder tube 27 on the piston rod 26 in one or the other direction is achieved.
- the movement of the two hydraulic cylinders 25 of the linear drive is synchronized.
- a rotary drive is arranged between the two cylinder tubes 27 of the linear drive forming hydraulic cylinder 25 and secured thereto.
- the rotary drive comprises a motor 29 flanged to a hollow gear 28 (in particular dere a hydraulic or an electric motor).
- a drive shaft 30 of the motor 29 is connected to a bevel gear 31, which in turn meshes with a toothed ring 32, which in turn is connected via screw 33 with a drive sleeve 34.
- the drive sleeve 34 is rotatably supported by two roller bearings 35 within a housing 36 of the hollow gear 28. A rotation of the drive shaft 30 of the
- This longitudinal axis substantially corresponds to the longitudinal axis of the drill pipe 24 held therein and consequently also the drilling axis, i. the starting direction of a pilot hole to be introduced or the longitudinal axis of a hole running out in the wall of the excavation pit or of an old pipe.
- a drive ring 37 For transmitting the rotational movement of the drive sleeve 34 and the longitudinal movement generated by the hydraulic cylinders 25 of the linear drive on the drill pipe 34 held in the drill pipe 24 is a drive ring 37 which - fixed in an operating position of the drill string 24 within the driver ring 37 - the drill string 24 positively.
- the driving ring 37 is mounted in a form-fitting manner within the drive sleeve 34 and can be exchanged in a simple manner by first removing a snap ring 63 from a corresponding groove in the inside of the drive sleeve 34 and then pulling a spacer ring 64 out of the drive sleeve. The driving ring 37 can then easily from the
- FIGS. 9a and 9b as well as 10a and 10b show, in two views in each case, the two operating positions of the drill rod 24 within the driver ring 37 which are relevant for the operation of the horizontal drilling apparatus 1. These two operating positions differ by a 90 ° relative rotation of the driver ring 37a Longitudinal axis relative to the drill pipe 24th In the operating position shown in Figs. 9a and 9b, the drill pipe 24 is locked in the driving ring. This locking is achieved by the special jacket shape of the rod sections 23 of the drill rod 24 and a shape of the central opening of the driver ring 37 adapted thereto.
- Each rod assembly 23 of the drill string 24 has a cylindrical basic shape with a relatively small diameter middle portion 38 and two relatively large diameter end portions 39a, 39b.
- two parallel flats 40 are provided, resulting in a cross section with two parallel straight sides and two opposite arcuate sides.
- the driver ring 37 forms a passage opening corresponding to this cross-section, so that it is possible if the driver ring 37 and the rod assembly 23 guided therein are arranged in the rotational orientation shown in FIGS. 10a and 10b are to insert the rod assembly 23 in the through hole of the cam ring 37 and free to move (in the longitudinal direction).
- each rod section 23 has a reduced outer diameter in order to achieve a (defined) bending stiffness in relation to the end sections 39a, 39b. This should enable the use of a controllable inclined drilling head. By reversing the drill head 43 in the ground, a sectionally arcuate bore profile is achieved.
- the drill string 24 must adapt to this arcuate bore course, which leads to a corresponding bending stress.
- the reduced diameter and thus relative to the end portions 39a, 39b relatively flexible middle section 38 of each rod section 23 serves to keep the rod assembly 23 altogether pliable, while at the same time the end portions 39a, 39b, which are particularly vulnerable to breakage, stiff perform.
- the individual rod sections Due to the arrangement of the combined linear / rotary drive 5 at the lower end of the pit portion of the horizontal drilling device 1 and due to the small outer dimensions of the horizontal drilling device 1 (the housing 2 has a maximum diameter of about 60 cm), the individual rod sections
- the linkage receptacle 44 is shown in the overall view of FIGS. 4 and 5 and isolated in the illustrations of FIGS. 7a, 7b, 8a and 8b.
- the central element of the boom support 44 is a receiving mandrel 45, which is mounted in a bridge 46 which is connected to the cylinder tubes 47 of two further hydraulic cylinders 48.
- the hydraulic cylinders 48 are also those in which the piston rod 49 protrudes from the cylinder tube 47 on both sides.
- the two free ends of the two piston rods 49 are connected to the housing 2 of the horizontal drilling device 1, so that by a corresponding pressurization of the hydraulic cylinder 48 with hydraulic oil, the cylinder tubes 47 can be moved on the stationary piston rods 49 and consequently the boom support 44 in the horizontal direction.
- the receiving mandrel 45 of the boom support 44 is pivotally mounted within the bridge 46 about a horizontal axis, wherein a pivoting between the two in Figs. 7a, 7b on the one hand and 8a, 8b on the other hand end positions shown is possible.
- the pivoting is achieved via a further hydraulic cylinder 50, which is supplied via corresponding hydraulic connections 65 with a hydraulic oil.
- the longitudinal axis of the receiving mandrel 45 and a rod section 23 mounted thereon are coaxial with the longitudinal axis of the drive sleeve 34 of the rotary drive and thus point in the boring direction of the horizontal boring device 1 Fig. 8a, 8b shown vertical and thus pivoted by 90 ° to the operating position shown in FIGS. 7a and 7b alignment of the mandrel 45 and the attached thereon rod assembly 23 is positioned within a guide rail 51 of the linkage pin 6.
- a rod section 23 can be plugged by the linkage pin 6 on the receiving mandrel 45 or deducted from this.
- a receiving carriage 52 which can receive a rod section 23, slidably guided, wherein the receiving carriage 52 is secured to a run of a drive belt 53 which extends outside of the guide rail 51 and parallel to this.
- An upper drive roller of the drive belt 53 is connected to a motor (not shown) for driving the same.
- a lower guide roller 54 is mounted on an axle 55, which is guided at its two ends on a respective threaded rod 56 and in a respective groove 57.
- Fig. 1 1 shows an isolated view of the boom support 44 and the lower part of the linkage pin 6 including the receiving carriage 52, in which a rod section 23 is held.
- the receiving carriage 52 forms a passage opening into which the rod section 23 can be inserted by the operator in the region of the loading station 58 from the side.
- the inserted rod assembly 23 is suspended, i. two pairs of projections 59 each form a clearance which is only slightly wider than the diameter of the central portion 38 and narrower than the wider side of the end portions 39a, 39b of the rod section 23.
- One of the projection pairs engages in the locking grooves 41 of the front end portion 39 a, while the second projection pair engages in the central portion 38 of the rod section 23.
- the rod assembly 23 is attached to the vertically oriented receiving mandrel 45 (see Fig. 5 [receiving carriage not shown] and 8a, 8b).
- the mandrel is then pivoted by 90 ° in the horizontal operating position shown in Figs. 4 and 7a, 7b, whereby the rod assembly 23 is pivoted out of the receiving carriage 52 in the lateral direction.
- the receiving carriage 52 can then be moved back to the loading station 58, so that a further rod section 23 can be used.
- the horizontal drilling apparatus 1 is designed to carry out scavenging bores, i. the front of the drill pipe 24 arranged drill head 43 is on the
- Drill 24 supplied a drilling fluid, which emerge through front and side outlet openings.
- the individual rod sections 23 of the drill string 24 are designed to be hollow throughout.
- the drilling fluid is supplied to the drill string 24 via the mandrel 45, which is likewise designed to be almost hollow throughout.
- a use of the horizontal drilling device 1 for creating a pilot hole is as follows:
- the boring head 43 shown in FIG. 1 is inserted into the drive sleeve 34 of the rotary drive through a passage opening 61 for the drill pipe formed in the housing 2. This is necessary because the drill head has an integrated transmitter for localization by means of a so-called walk-over receiver and thereby longer than the rod sections 23.
- the drill head has a (rear) end portion 62 which corresponds in terms of geometric shape to the end portions 39a, 39b of the rod sections 23:
- a (rear) end portion 62 which corresponds in terms of geometric shape to the end portions 39a, 39b of the rod sections 23:
- the end portion 62 with a cylindrical basic shape, which is provided on two opposite sides with parallel flats, are two arcuate locking grooves introduced, in which the driving ring 37 can be screwed by a 90 ° rotation in a clockwise direction, whereby the drill head 43 is locked in the rotary drive.
- the rotary drive is in the rearmost position in which this is driven by the linear drive as far as possible from the passage opening 61 away.
- the horizontal drilling device 1 is then lowered into the excavation 4, aligned and supported, as already described.
- the drill head 43 is drilled as far as possible in the ground. Due to the length of the drill head 43, the drilling is carried out with two strokes of the linear drive; at the first stroke, the cam ring 37 is located at the front end of the two parallel flats, so that the Compressive forces are transmitted via the paragraph formed there and the torque on serving as the key surfaces parallel flats. After the first stroke of the linear drive is moved back so that the driving ring 37 engage in the locking grooves and lock the drill head 43. Then the linear drive is again moved forward by one working stroke, whereby the drill head 43 is completely bored. The rotary drive is then in the foremost position shown for example in FIGS. 4 and 5.
- a provided in the region of the passage opening locking fork (not shown) is then shut down.
- the fork width of the locking fork corresponds to the distance between the two parallel flats of the drill head 43 and the distance between the two locking grooves.
- the drill bit 43 was aligned by means of the rotary drive so that the two flats of the end portion are aligned vertically, so that the locking fork can drive over the end portion (in a section in front of the locking grooves) of the drill head 43, whereby rotation of the drill head by means of a positive fixation 43 is temporarily prevented.
- the operator has already used a first rod section 23 in the receiving carriage 52 and attached it to the receiving mandrel 45 by a method of the linkage pin 6. After a pivoting of the mandrel 45 and the attached thereon rod assembly 23 by 90 ° in its horizontal orientation, the rod assembly 23 is in a largely coaxial position to the already drilled bit 43.
- the two hydraulic cylinders 48 of the rod holder 44 can then the front Threaded plug of the rod assembly 23 are moved up to the rear threaded bushing of the drill head 43.
- the driving ring 37 is then released from the locking grooves of the drill head 43 and the linear / rotary drive 5 is moved back so far that this is located in a defined region of the front end portion 39 a of the first rod section 23.
- the first rod assembly 23 is screwed to the drill head 43 fixed in the direction of rotation by the locking fork, the torque being transmitted via the parallel flats 40.
- the driving ring 37 is not yet locked in the locking groove 41, the rod section can be displaced relative to the driving ring 37 during screwing in the longitudinal axial direction.
- the longitudinal movement of the rod section 23 required for screwing the rod section 23 can be realized without a complex length compensation realized by the linear drive.
- the position of the rotary drive during the screwing is chosen so that the locking grooves 41 of the front end portion 39a after the complete screwing of the rod assembly 23 with the drill head 43 within the Mit- examiningrings 43 are located so that it directly by a 90 ° rotation, ie without further method of the linear drive is required to engage in the locking grooves 41 to fix the rod assembly 23 in the longitudinal direction.
- the drill string is then drilled so far until the rotary drive has returned to its front end position.
- the rotary drive is unlocked by a 90 ° rotation (in the opposite direction) of the driver ring and moved back by means of the hydraulic cylinder 25 of the linear drive until the driver ring 37 can engage in the locking grooves 41 of the rear end portion 39b of the first rod section 23; There, the driving ring 37 is locked again by a 90 ° rotation. Then the drill string, consisting of drill head 43 and first rod assembly 23 is driven by the use of the linear / rotary drive 5 by a further working stroke of the linear drive further into the soil.
- Drill is screwed.
- the second rod assembly 23 is moved up by means of the rod holder 44 to the rear end of the first rod assembly 23.
- the rotational drive is released from the first linkage 23 and moved backwards so far that it can engage the parallel flats 40 in the front end section 39a of the second linkage section 23.
- the second rod section 23 is then screwed to the first rod section 23, wherein after completing the screwing of the cam ring 37 is locked again in the locking grooves 41 of the front end portion 39 a of the second rod section and the drill string back to the Reaching the front end position (of the linear drive) is bored.
- the linear / rotary drive 5 is then released by a 90 ° relative rotation of the driving ring 37 of the second rod section 23 and moved back to lock the second rod section 23 in the rear end portion 39b and the drill string to another working stroke in to drive the soil.
- the locking fork always engages in the locking grooves 41 of the rod sections 23 in order to secure this or the drill string not only rotationally but also against longitudinal movement. As a result, it is possible to prevent the drill string from shifting unintentionally owing to elastic deformations of the compressed soil and of the drill string compressed or stretched by the loads.
- the preparation and Verbohren further rod sections 23 is then carried out in an identical manner.
- pilot bore After the pilot bore has been completed, it may be provided to replace the drill head 43 by a widening device (not shown) to widen the bore during retraction of the drill string.
- a neural tube (not shown) or other supply line (not shown) may be attached to the expander head, which simultaneously with the expander in the
- the driving ring 37 of the rotary drive is locked in the locking grooves 41 of the rear end portion 39 b of the last rod section 23.
- the rotary drive is moved by a process of the hydraulic cylinder 25 of the linear drive to the rear.
- the locking fork is then moved down and fixes the penultimate rod assembly 23 by these in the locking grooves 41 of the rear
- Torque for releasing the threaded connection to be transmitted without the driving ring 37 would be fixed in the locking groove 41 in the longitudinal axial direction. This allows the driving ring 37 slide when unscrewing the rod assembly 23 according to the thread pitch over the rod section, whereby a length compensation on the linear drive can be avoided.
- the boom receptacle 44 moves forwards to remove the unscrewed last linkage. shot 23.
- the boom support 44 then moves back to its rearmost position and the linear / rotary drive 5 at the same time forward, so that it can attack on the rear end portion 39b of the then last (previously penultimate) rod section 23.
- the unscrewed rod assembly 23 is then moved completely out of the drive sleeve 34 and can be used by pivoting the receiving mandrel 45 in the vertical position in the receiving carriage 52 of the linkage pin 6.
- the receiving carriage 52 can then be moved up to the feed station 58, where the rod section can be removed by an operator.
- the horizontal drilling device shown is particularly suitable for use in inner city areas and in particular for the creation of domestic connections in the supply area (in particular gas, water, electricity, glass fiber, etc.). Drill holes of up to 20 meters in length can be drilled and used to retract pipes or cables with an outside diameter of up to 63 mm.
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL11714932T PL2553202T3 (pl) | 2010-03-31 | 2011-03-31 | Sposób eksploatacji urządzenia do wiercenia poziomego i urządzenie do wiercenia poziomego |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010013723A DE102010013723A1 (de) | 2010-03-31 | 2010-03-31 | Verfahren zum Betrieb einer Horizontalbohrvorrichtung und Horizontalbohrvorrichtung |
PCT/EP2011/001616 WO2011120696A2 (fr) | 2010-03-31 | 2011-03-31 | Procédé pour faire fonctionner un dispositif de forage horizontal et dispositif de forage horizontal |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2553202A2 true EP2553202A2 (fr) | 2013-02-06 |
EP2553202B1 EP2553202B1 (fr) | 2014-06-04 |
Family
ID=44510841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11714932.8A Active EP2553202B1 (fr) | 2010-03-31 | 2011-03-31 | Procédé pour faire fonctionner un dispositif de forage horizontal et dispositif de forage horizontal |
Country Status (8)
Country | Link |
---|---|
US (1) | US9243453B2 (fr) |
EP (1) | EP2553202B1 (fr) |
JP (1) | JP5822910B2 (fr) |
CN (1) | CN102918225B (fr) |
DE (1) | DE102010013723A1 (fr) |
ES (1) | ES2498839T3 (fr) |
PL (1) | PL2553202T3 (fr) |
WO (1) | WO2011120696A2 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010013724B4 (de) | 2010-03-31 | 2015-09-24 | Gdf Suez | Horizontalbohrvorrichtung |
CN104153772B (zh) * | 2014-07-08 | 2017-03-08 | 中国海洋石油总公司 | 一种钻进式井壁取芯装置 |
FR3023577B1 (fr) * | 2014-07-09 | 2019-07-12 | Soletanche Freyssinet | Procede de forage d'un sol a l'aide d'un bras robotise |
US9759020B2 (en) | 2016-01-22 | 2017-09-12 | Atlas Copco Drilling Solutions, Llc | Rod and rod cup alignment apparatus for drilling machine |
CN109327976B (zh) * | 2018-09-06 | 2024-02-13 | 厦门宏发汽车电子有限公司 | 一种独立式外置天线的车身控制器 |
CN110130831B (zh) * | 2019-06-24 | 2024-03-01 | 重庆科技学院 | 顶驱下套管装置 |
DE102020005981A1 (de) * | 2020-09-30 | 2022-03-31 | Tracto-Technik Gmbh & Co. Kg | Antrieb und Verfahren zum Betreiben eines Antriebs einer Erdbohrvorrichtung |
EP4217581B1 (fr) | 2020-10-22 | 2023-11-22 | Terra Sonic International, LLC | Procédés à énergie sonique pour forage directionnel horizontal |
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DE2965983D1 (en) | 1979-05-23 | 1983-09-01 | Metal Box Plc | A method and apparatus for electrochemical treatment of a can body |
DE3503893C1 (de) * | 1985-02-06 | 1985-10-24 | Ing. Günter Klemm, Spezialunternehmen für Bohrtechnik, 5962 Drolshagen | Bohrvorrichtung |
JPH01268983A (ja) | 1988-04-18 | 1989-10-26 | Hitachi Constr Mach Co Ltd | 自動チャック式回転駆動装置 |
JP2761231B2 (ja) | 1989-02-13 | 1998-06-04 | 日本電信電話株式会社 | 流体噴出式横穴掘削装置 |
JPH09119279A (ja) | 1995-10-26 | 1997-05-06 | Tokyo Gas Co Ltd | 横穴掘削用スクリューオーガーの推進工法 |
US5878825A (en) * | 1996-07-03 | 1999-03-09 | Kubota Corporation | Underground propelling method |
DE19633934C2 (de) | 1996-08-22 | 2002-09-26 | Doll Fahrzeugbau Gmbh | Horizontalbohrgerät |
FR2753231A1 (fr) * | 1996-09-09 | 1998-03-13 | Gaz De France | Procede et appareil de forage |
US6151834A (en) | 1997-07-28 | 2000-11-28 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Window device for use in a motor vehicle |
DE19807394A1 (de) | 1998-02-21 | 1999-08-26 | Hilti Ag | Bohr- und/oder Meisselwerkzeug |
DE10159712B4 (de) | 2001-07-12 | 2004-12-02 | Tracto-Technik Gmbh | Bohrgerät und Verfahren zum Herstellen von Erdbohrungen |
JP2004534167A (ja) | 2001-07-12 | 2004-11-11 | トラクト−テクニク・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 地面に円穴を作る方法 |
CN2670575Y (zh) * | 2004-01-08 | 2005-01-12 | 中国水利水电科学研究院 | 双油缸全液压水平钻机 |
DE102004036425C5 (de) | 2004-07-27 | 2009-07-02 | Tracto-Technik Gmbh | Vorrichtung und Verfahren zum Verbinden eines Rohrstrangs mit einem Bohr-, Aufweit- oder Einzugsgerät |
DE102005001222B4 (de) | 2005-01-10 | 2006-12-21 | Tracto-Technik Gmbh | Schneidvorrichtung und Schneidverfahren zum Zerschneiden oder Bersten einer Rohrleitung in Längsrichtung |
DE102005039790B3 (de) | 2005-08-22 | 2007-01-04 | Tracto-Technik Gmbh | Verfahren und Vorrichtung zum Sanieren erdverlegter Altrohrleitungen |
DE202006011507U1 (de) | 2006-07-24 | 2006-10-26 | Tracto-Technik Gmbh | Vorrichtung zum Verbinden eines Strangabschnitts mit einem Zugelement, das den Strangabschnitt durchgreift |
DE102008018150A1 (de) | 2008-04-10 | 2009-10-22 | Tracto-Technik Gmbh & Co. Kg | Werkzeug zum Längsunterteilen von Abwasserrohren |
DE102008047060B4 (de) | 2008-09-12 | 2011-05-26 | Tracto-Technik Gmbh & Co. Kg | Gewindeverbindung |
WO2010101987A2 (fr) * | 2009-03-03 | 2010-09-10 | Vermeer Manufacturing Company | Système de forage directionnel horizontal à double tige |
DE102010013725A1 (de) | 2010-03-31 | 2011-10-06 | Gdf Suez | Verfahren zum Erstellen einer Horizontalbohrung im Erdreich und Horizontalbohrvorrichtung |
DE102010013724B4 (de) | 2010-03-31 | 2015-09-24 | Gdf Suez | Horizontalbohrvorrichtung |
-
2010
- 2010-03-31 DE DE102010013723A patent/DE102010013723A1/de not_active Ceased
-
2011
- 2011-03-31 ES ES11714932.8T patent/ES2498839T3/es active Active
- 2011-03-31 WO PCT/EP2011/001616 patent/WO2011120696A2/fr active Application Filing
- 2011-03-31 PL PL11714932T patent/PL2553202T3/pl unknown
- 2011-03-31 EP EP11714932.8A patent/EP2553202B1/fr active Active
- 2011-03-31 US US13/638,274 patent/US9243453B2/en active Active
- 2011-03-31 CN CN201180017119.4A patent/CN102918225B/zh active Active
- 2011-03-31 JP JP2013501689A patent/JP5822910B2/ja active Active
Non-Patent Citations (1)
Title |
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See references of WO2011120696A2 * |
Also Published As
Publication number | Publication date |
---|---|
CN102918225B (zh) | 2016-04-13 |
EP2553202B1 (fr) | 2014-06-04 |
US9243453B2 (en) | 2016-01-26 |
ES2498839T3 (es) | 2014-09-25 |
US20130277118A1 (en) | 2013-10-24 |
PL2553202T3 (pl) | 2015-04-30 |
CN102918225A (zh) | 2013-02-06 |
JP2013524049A (ja) | 2013-06-17 |
WO2011120696A3 (fr) | 2012-12-20 |
WO2011120696A2 (fr) | 2011-10-06 |
JP5822910B2 (ja) | 2015-11-25 |
DE102010013723A1 (de) | 2011-10-06 |
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