EP0395167A1 - Device and method for making a borehole in the ground - Google Patents

Device and method for making a borehole in the ground Download PDF

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Publication number
EP0395167A1
EP0395167A1 EP90201024A EP90201024A EP0395167A1 EP 0395167 A1 EP0395167 A1 EP 0395167A1 EP 90201024 A EP90201024 A EP 90201024A EP 90201024 A EP90201024 A EP 90201024A EP 0395167 A1 EP0395167 A1 EP 0395167A1
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EP
European Patent Office
Prior art keywords
pipe
drum
straightening
drilling
borehole
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Granted
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EP90201024A
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German (de)
French (fr)
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EP0395167B1 (en
Inventor
Nik Smet
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Individual
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Individual
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    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/20—Drives for drilling, used in the borehole combined with surface drive
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/26—Drilling without earth removal, e.g. with self-propelled burrowing devices
    • 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
    • E21B19/22—Handling reeled pipe or rod units, e.g. flexible drilling pipes
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses

Definitions

  • This invention relates to a device for making a borehole in the ground by the use of a pipe, which is provided at one end with a drilling head.
  • the invention also relates to a method of producing such a borehole in the ground.
  • a more recent technique uses what is called a drilling mole and / or a drilling head.
  • a drilling head By using a drilling head, a backflow of sand or clay is formed, through which we drill. This technique is increasingly prohibited, because by the backflow of the surrounding soil mass, the pavement built or the floors are pushed towards the top.
  • the control of the drilling head or mole cannot be carried out either because what is called the mole will deviate from its goal at the slightest obstacle. When hitting an obstacle, the mole will wander. Under these conditions, it is no longer airship.
  • the object of the invention is to remedy the drawbacks of the techniques known up to now and to prescribe a device and a method, by which horizontal drilling holes can be arranged at very great distance, which makes excellent services during the development of so-called utility pipes.
  • the device comprises a drum on which said pipe is wound, means for turning the drum in one direction or the other, a straightening apparatus for folding according to desired angle or straightening of the pipe, said straightening apparatus ensuring the necessary longitudinal displacements of the pipe.
  • the device according to the invention also comprises a vibrating device by which polarized vibrations can be generated in said pipe.
  • said straightening apparatus consists of at least two sets of pressure members, which cooperate with each other and which can be moved in either direction relative to the pipe.
  • said pressure members are part of a chain and there is provided in each chain a block of thrust which is displaceable by hydraulic cylinders and which transmits an adjustable pressure to said pressure members.
  • the device represented by these figures comprises a movable and interchangeable drum 1, the horizontal axis 2 of which rests in supports 3 which are themselves part of a chassis 4 which has been dimensioned so that it can be transported on the road and be mounted on square.
  • This on-site assembly of the device can be carried out on foundations or blocks.
  • a gear 6 is fixed on the axis 2 of the drum 1, so that the drive in one or the other direction of the drum 1 can take place from the motor 8 via the chain 7.
  • a plate 9 which is formed in a cylindrical manner, which forms a core and on which the drilling pipe 10 is wound.
  • the drilling pipe can have a length of up to 4,000 m, so that it must then be wound in several layers on the core or the cylindrical plate. Routinely and by using means not belonging to the invention, the drum 1 must be able to be moved along its central axis in order to ensure that the drill pipe unwound from the drum always appears correctly in the extension of the pipe already introduced by drilling into the ground.
  • the drill pipe 10 can be a single pipe but it can also consist of two concentric pipes.
  • the expression "pipe” therefore relates to one of these two embodiments.
  • the pipe can be made of steel or plastic and is provided, at its free end, with a "mole” or steerable drilling head 11.
  • the drilling device and the method described below by way of example relate to horizontal drilling.
  • both horizontal and vertical and / or inclined drilling is taken into account.
  • the adjustment of the drilling pipe 10, with a drilling head 11, at the necessary drilling angle takes place by including a straightening device 12.
  • This straightening device 12 is naturally also used when rewinding the pipe 10 on the drum 1.
  • the straightening apparatus 12 also has the function of introducing by drilling, into the soil and at the desired angle, the drilling pipe or pulling it out.
  • the straightening apparatus 12 consists of two sets of pressure members 13, 13 ′, which cooperate with each other and with the drill pipe 10 and which are guided in the form of endless chains by means of wheels 14 , 14 ′ and 15, 15 ′.
  • the wheels 14, 14 ′ are driven by a motor, while the wheels 15, 15 ′ act as return wheels and the wheels 16 and 16 ′ are moved by hydraulic cylinders not shown and act as chain tensioners.
  • Thrust blocks 17 and 17 ′ are moved by hydraulic cylinders 18 in the direction of the pipe 10 and exert the necessary pressure on the pressure members 13, 13 ′.
  • the thrust blocks 13, 13 ′ have, in section along a plane extending normally with respect to the pipe 10, each time an arcuate hollow 19, the radius of curvature of which corresponds to that of the pipe 10, so that a solid tightening of the pipe to be straightened and moved is ensured.
  • the entire rectifier belongs to a chassis which is purely theoretical. by rectangle 20.
  • the chassis of the apparatus which has just been described has for example a point of articulation at 21.
  • Thrust rollers 22 and 23, which can for example be moved hydraulically according to arrows 24 and 25, may be included in order to impose on the pipe 10 an adjustable radius of curvature.
  • the direction in which the thrust rollers 22 and 23 work can obviously be reversed.
  • this pipe passes through a vibrating apparatus 26 by means of which polarized vibrations are induced in the pipe.
  • the polarized vibrations are of the order of magnitude of about 5,000 to about 15,000 per minute, the best results can thus be obtained.
  • the pipe By applying ultrasonic vibrations, the pipe can be drilled into the soil or removed from the soil without using liquid.
  • the amount of soil or core displaced by the steerable drilling head can be evacuated by the pipe 10 mechanically, pneumatically or hydraulically and be collected at the level of the drum 1, but this is not directly necessary in the drilling phase.
  • the control of the drilling head itself takes place from the drum 1 of the device by the use of electric or hydraulic lines or optical beams which are arranged in the pipe.
  • a single hose or endless bar even allows pressure pulse control.
  • the angle under which the drilling head moves can be continuously monitored and adjusted.
  • This angle at which the pipe 1 leaves the drum and enters the ground preferably has about 15 °.

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

Abstract

The present invention relates to a device for making a borehole in the ground by the use of a pipe which is equipped at one end with a drilling head, comprising a drum (1) on which said pipe is wound, means for rotating the drum in one direction or the other and a straightening appliance (12) for bending the pipe (10) at the desired angle or straightening it, said straightening appliance ensuring the necessary longitudinal displacements of the pipe (10), and to a process for making a borehole in the ground. <IMAGE>

Description

Cette invention se rapporte à un dispositif pour la réalisation d'un trou de forage dans le sol par l'utilisation d'un tuyau, qui est pourvu, à une extrémité, d'une tête de forage.This invention relates to a device for making a borehole in the ground by the use of a pipe, which is provided at one end with a drilling head.

L'invention se rapporte également à un procédé de réalisation d'un tel trou de forage dans le sol.The invention also relates to a method of producing such a borehole in the ground.

Bien qu'absolument non limitée à l'application de trous de forage horizontaux, la description ci-après du dispositif et du procédé utilisé ici, du moins pour autant que celle-ci se fonde sur les dessins annexés, est axée sur l'aménagement d'un trou de forage horizontal.Although absolutely not limited to the application of horizontal boreholes, the following description of the device and the method used here, at least as far as it is based on the appended drawings, is focused on the arrangement a horizontal borehole.

En dehors de la réalisation de puits et de tranchées continus dans le sol au moyen de grues, des techniques de forage par injection d'eau différentes sont encore appliquées pour forer horizontalement sous les routes et sous le revêtement routier. Ces techniques de forage par injection d'eau entraînent des affaissements parce que les trous de forage formés sont environ plus grands de 30 % que les appareils de forage eux-mêmes, et éventuellement de grandes pertes d'eau d'injection non prévues.Apart from making continuous wells and trenches in the ground using cranes, different water injection drilling techniques are still applied to drill horizontally under roads and under road surface. These water injection drilling techniques cause sagging because the boreholes formed are about 30% larger than the drilling rigs themselves, and possibly large losses of injection water unexpected.

Par l'utilisation de vis qui sont vissées l'une à l'autre, des grandes distances ne peuvent pas être atteintes; la capacité à commander ces tuyaux pourvus de leur faible diamètre n'est pas suffisante non plus pour parvenir à un trou de forage horizontal, étant donné la torsion.By using screws which are screwed together, great distances cannot be reached; the ability to control these pipes provided with their small diameter is not sufficient either to achieve a horizontal borehole, given the twist.

Une technique plus récente fait appel à ce que l'on appelle une taupe de forage et/ou une tête de forage. En utilisant une tête de forage, il se forme un refoulement de sable ou d'argile, au travers duquel on fore. Cette technique est toujours davantage interdite, parce que par le refoulement de la masse de sol environnante, le revêtement de chaussée construit ou les sols sont poussés vers le haut. La commande de la tête ou de la taupe de forage ne peut pas être effectuée non plus parce que ce que l'on appelle la taupe va dévier de son but dès le moindre obstacle. En heurtant un obstacle, la taupe va errer. Dans ces conditions, elle n'est alors plus dirigeable.A more recent technique uses what is called a drilling mole and / or a drilling head. By using a drilling head, a backflow of sand or clay is formed, through which we drill. This technique is increasingly prohibited, because by the backflow of the surrounding soil mass, the pavement built or the floors are pushed towards the top. The control of the drilling head or mole cannot be carried out either because what is called the mole will deviate from its goal at the slightest obstacle. When hitting an obstacle, the mole will wander. Under these conditions, it is no longer airship.

La solution proposée par la demande de brevet européenne 0 195 559 au nom de Flow Mole Corp. a apporté récemment une amélioration considérable. Toutefois l'utilisation de beaucoup d'eau reste un inconvénient parce qu'en heurtant un obstacle beaucoup d'eau d'injection doit être utilisée. Suivant un tel dispositif, le tuyau doit être couplé et/ou découplé à un tuyau environ tous les 3 m, et cela constitue évidemment un travail qui prend du temps. Les tuyaux tournent en rond dans le sol provoquant ainsi une énorme usure sur ces tuyaux.The solution proposed by European patent application 0 195 559 in the name of Flow Mole Corp. has recently made significant improvements. However, the use of a lot of water remains a drawback because when hitting an obstacle a lot of injection water must be used. According to such a device, the pipe must be coupled and / or decoupled to a pipe approximately every 3 m, and this obviously constitutes a work which takes time. The pipes run in circles in the ground, causing enormous wear on these pipes.

A présent, l'invention a pour but de remédier aux inconvénients des techniques connues jusqu'à présent et de prescrire un dispositif et un procédé, par lesquels des trous de forage horizontaux peuvent être agencés à très grande distance, ce qui rend d'excellents services lors de l'aménagement de ce que l'on appelle des conduites utilitaires.Now, the object of the invention is to remedy the drawbacks of the techniques known up to now and to prescribe a device and a method, by which horizontal drilling holes can be arranged at very great distance, which makes excellent services during the development of so-called utility pipes.

Afin de permettre cela suivant l'invention, le dispo­sitif suivant l'invention comprend un tambour sur lequel ledit tuyau est enroulé, des moyens pour tourner le tambour dans un sens ou dans l'autre, un appareillage de redressement pour le pliage suivant l'angle désiré ou le redressement du tuyau, ledit appareillage de redres­sement assurant les déplacements longitudinaux necessaires du tuyau.In order to allow this according to the invention, the device according to the invention comprises a drum on which said pipe is wound, means for turning the drum in one direction or the other, a straightening apparatus for folding according to desired angle or straightening of the pipe, said straightening apparatus ensuring the necessary longitudinal displacements of the pipe.

Toujours suivant l'invention, le dispositif suivant l'invention comprend encore un appareillage à vibrer par lequel des vibrations polarisées peuvent être engendrées dans ledit tuyau.Still according to the invention, the device according to the invention also comprises a vibrating device by which polarized vibrations can be generated in said pipe.

Dans une forme de réalisation appliquée de préférence, ledit appareillage de redressement est constitué d'au moins deux ensembles d'organes de pression, qui coopèrent l'un avec l'autre et qui peuvent être déplacés dans l'un ou l'autre sens par rapport au tuyau.In a preferably applied embodiment, said straightening apparatus consists of at least two sets of pressure members, which cooperate with each other and which can be moved in either direction relative to the pipe.

Avantageusement, lesdits organes de pression font partie d'une chaîne et il est prévu dans chaque chaîne un bloc de poussée qui est déplaçable par des vérins hydrauliques et qui transmet une pression réglable auxdits organes de pression.Advantageously, said pressure members are part of a chain and there is provided in each chain a block of thrust which is displaceable by hydraulic cylinders and which transmits an adjustable pressure to said pressure members.

D'autres détails et avantages de l'invention appa­raîtront de la description ci-après d'un dispositif pour la réalisation d'un trou de forage dans le sol et du procédé appliqué ici. La des­cription est donnée uniquement à titre d'exemple et ne limite pas l'invention. Les chiffres de référence se rapportent aux figures annexées.

  • La figure 1 illustre une vue latérale schématique du dispositif suivant l'invention.
  • La figure 2 représente une vue latérale à échelle agrandie et également schématique de l'appareillage de redressement utilisé dans un dispositif suivant l'invention.
  • La figure 3 illustre à échelle encore plus grande deux pièces de l'appareillage de redressement suivant l'invention, qui coopèrent entre elles et avec un tuyau de forage.
Other details and advantages of the invention will appear from the following description of a device for producing a borehole in the ground and of the method applied here. The description is given by way of example only and does not limit the invention. The reference figures refer to the appended figures.
  • Figure 1 illustrates a schematic side view of the device according to the invention.
  • 2 shows a side view on an enlarged scale and also schematic of the rectifying apparatus used in a device according to the invention.
  • FIG. 3 illustrates on an even larger scale two parts of the rectifying apparatus according to the invention, which cooperate with one another and with a drill pipe.

Le dispositif représenté par ces figures comprend un tambour déplaçable et interchangeable 1 dont l'axe horizontal 2 repose dans des appuis 3 qui font eux-mêmes partie d'un châssis 4 qui a été dimensionné afin de pouvoir être transporté sur route et être monté sur place. Ce montage sur place du dispositif peut être effectué sur des fondations ou des blocs.The device represented by these figures comprises a movable and interchangeable drum 1, the horizontal axis 2 of which rests in supports 3 which are themselves part of a chassis 4 which has been dimensioned so that it can be transported on the road and be mounted on square. This on-site assembly of the device can be carried out on foundations or blocks.

Un engrenage 6 est fixé sur l'axe 2 du tambour 1, de façon que l'entraînement dans l'un ou l'autre sens du tambour 1 puisse avoir lieu depuis le moteur 8 par l'intermédiaire de la chaîne 7.A gear 6 is fixed on the axis 2 of the drum 1, so that the drive in one or the other direction of the drum 1 can take place from the motor 8 via the chain 7.

Il est agencé concentriquement à l'axe 2 du tambour une plaque 9, qui est formée de manière cylindrique, qui forme un noyau et sur laquelle le tuyau de forage 10 est enroulé.There is arranged concentrically with the axis 2 of the drum a plate 9, which is formed in a cylindrical manner, which forms a core and on which the drilling pipe 10 is wound.

Le tuyau de forage peut présenter une longueur allant jusqu'à 4.000 m, de façon que celui-ci doive alors être enroulé en plusieurs couches sur le noyau ou la plaque cylindrique. De manière courante et en faisant appel à des moyens n'appartenant pas à l'in­vention, le tambour 1 doit pouvoir être déplacé le long de son axe central afin d'assurer que le tuyau de forage déroulé du tambour apparaisse toujours correctement dans le prolongement du tuyau déjà introduit par forage dans le sol.The drilling pipe can have a length of up to 4,000 m, so that it must then be wound in several layers on the core or the cylindrical plate. Routinely and by using means not belonging to the invention, the drum 1 must be able to be moved along its central axis in order to ensure that the drill pipe unwound from the drum always appears correctly in the extension of the pipe already introduced by drilling into the ground.

Le tuyau de forage 10 peut être un tuyau simple mais il peut aussi être constitué de deux tuyaux concentriques. L'expression "tuyau" se rapporte donc à l'une de ces deux formes de réalisation. Le tuyau peut être constitué d'acier ou de plastique et il est pourvu, à son extrémité libre, d'une "taupe" ou tête de forage 11 dirigeable.The drill pipe 10 can be a single pipe but it can also consist of two concentric pipes. The expression "pipe" therefore relates to one of these two embodiments. The pipe can be made of steel or plastic and is provided, at its free end, with a "mole" or steerable drilling head 11.

Le dispositif de forage et le procédé décrits ci-après à titre d'exemple se rapportent à un forage horizontal. Dans l'intro­duction, il a déjà été indiqué que des forage tant horizontaux que verticaux et/ou inclinés entrent en ligne de compte.The drilling device and the method described below by way of example relate to horizontal drilling. In the introduction, it has already been indicated that both horizontal and vertical and / or inclined drilling is taken into account.

Le réglage du tuyau de forage 10, avec une tête de forage 11, sous l'angle de forage nécessaire a lieu en incluant un appareillage de redressement 12. Cet appareillage de redressement 12 est naturellement également utilisé lors du réenroulement du tuyau 10 sur le tambour 1.The adjustment of the drilling pipe 10, with a drilling head 11, at the necessary drilling angle takes place by including a straightening device 12. This straightening device 12 is naturally also used when rewinding the pipe 10 on the drum 1.

L'appareillage de redressement 12 a également pour fonction d'introduire par forage, dans le sol et sous l'angle désiré, le tuyau de forage ou de l'en tirer.The straightening apparatus 12 also has the function of introducing by drilling, into the soil and at the desired angle, the drilling pipe or pulling it out.

L'appareillage de redressement 12 est constitué de deux ensembles d'organes de pression 13, 13′, qui coopèrent entre eux et avec le tuyau de forage 10 et qui sont guidés sous la forme de chaînes sans fin par l'intermédiaire de roues 14, 14′ et 15, 15′.The straightening apparatus 12 consists of two sets of pressure members 13, 13 ′, which cooperate with each other and with the drill pipe 10 and which are guided in the form of endless chains by means of wheels 14 , 14 ′ and 15, 15 ′.

Les roues 14, 14′ sont entraînées par moteur, tandis que les roues 15, 15′ font office de roues de renvoi et les roues 16 et 16′ sont déplacées par des cylindres hydrauliques non représentés et font office de tendeurs de chaîne. Des blocs de poussée 17 et 17′ sont déplacés par des cylindres hydrauliques 18 en direction du tuyau 10 et exercent la pression nécessaire sur les organes de pression 13, 13′. Les blocs de poussée 13, 13′ présentent, en section suivant un plan s'étendant normalement par rapport au tuyau 10, chaque fois un creux de forme arquée 19, dont le rayon de courbure correspond à celui du tuyau 10, de façon qu'un serrage solide du tuyau à redresser et à déplacer soit assuré.The wheels 14, 14 ′ are driven by a motor, while the wheels 15, 15 ′ act as return wheels and the wheels 16 and 16 ′ are moved by hydraulic cylinders not shown and act as chain tensioners. Thrust blocks 17 and 17 ′ are moved by hydraulic cylinders 18 in the direction of the pipe 10 and exert the necessary pressure on the pressure members 13, 13 ′. The thrust blocks 13, 13 ′ have, in section along a plane extending normally with respect to the pipe 10, each time an arcuate hollow 19, the radius of curvature of which corresponds to that of the pipe 10, so that a solid tightening of the pipe to be straightened and moved is ensured.

L'appareillage de redressement entier appartient à un châssis lequel est représenté de manière purement théorique par le rectangle 20. Le châssis de l'appareillage qui vient d'être décrit présente par exemple un point d'articulation en 21. Des rouleaux de poussée 22 et 23, qui peuvent par exemple être déplacés hydrau­liquement suivant les flèches 24 et 25, peuvent être inclus afin d'im­poser au tuyau 10 un rayon de courbure réglable. Le sens dans lequel travaillent les rouleaux de poussée 22 et 23 peut évidemment être inverse.The entire rectifier belongs to a chassis which is purely theoretical. by rectangle 20. The chassis of the apparatus which has just been described has for example a point of articulation at 21. Thrust rollers 22 and 23, which can for example be moved hydraulically according to arrows 24 and 25, may be included in order to impose on the pipe 10 an adjustable radius of curvature. The direction in which the thrust rollers 22 and 23 work can obviously be reversed.

Avant que le tuyau sortant de l'appareillage de redressement ne soit introduit par forage dans le sol ou après que celui-ci en est retiré, ce tuyau passe par un appareil à vibrer 26 au moyen duquel des vibrations polarisées sont induites dans le tuyau. Les vibrations polarisées sont d'un ordre de grandeur d'environ 5.000 à environ 15.000 par minute, les meilleurs résultats pouvant ainsi être obtenus.Before the pipe leaving the straightening apparatus is introduced by drilling into the soil or after the latter is removed therefrom, this pipe passes through a vibrating apparatus 26 by means of which polarized vibrations are induced in the pipe. The polarized vibrations are of the order of magnitude of about 5,000 to about 15,000 per minute, the best results can thus be obtained.

En appliquant des vibrations ultrasonores, la conduite peut être introduite par forage dans le sol ou retirée de celui-ci sans utiliser du liquide.By applying ultrasonic vibrations, the pipe can be drilled into the soil or removed from the soil without using liquid.

Par l'application de vibrations ultrasonores, l'utili­sation d'eau, de bentonite ou d'air comprimé est réduite dans une forte mesure. La quantité de sol ou de noyau déplacée par la tête de forage dirigeable peut être evacuée par le tuyau 10 mécaniquement, pneumatiquement ou hydrauliquement et être recueillie à hauteur du tambour 1, mais ceci n'est pas directement nécessaire dans la phase de forage.By the application of ultrasonic vibrations, the use of water, bentonite or compressed air is greatly reduced. The amount of soil or core displaced by the steerable drilling head can be evacuated by the pipe 10 mechanically, pneumatically or hydraulically and be collected at the level of the drum 1, but this is not directly necessary in the drilling phase.

La commande de la tête de forage elle-même a lieu depuis le tambour 1 du dispositif par l'utilisation de conduites électriques ou hydrauliques ou de faisceaux optiques qui sont agencés dans le tuyau. Un seul tuyau ou une barre sans fin permet même une commande par impulsions de pression. Ainsi, l'angle sous lequel la tête de forage se déplace peut être continuellement contrôlé et réglé.The control of the drilling head itself takes place from the drum 1 of the device by the use of electric or hydraulic lines or optical beams which are arranged in the pipe. A single hose or endless bar even allows pressure pulse control. Thus, the angle under which the drilling head moves can be continuously monitored and adjusted.

Cet angle sous lequel le tuyau 1 quitte le tambour et pénètre dans le sol comporte de préférence environ 15°.This angle at which the pipe 1 leaves the drum and enters the ground preferably has about 15 °.

Il ressort de la description donnée ci-dessus d'un dispositif de réalisation d'un trou de forage dans le sol suivant l'in­vention que le dispositif de forage entier peut être amené sur place et que le tambour peut être remplacé comme un tout lorsque l'usure apparaît. Par l'application de vibrations ultrasonores, l'usure apparaît remarquablement moins vite, ce qui rend évidemment le dispositif et le procédé suivant l'invention particulièrement attrayants.It follows from the description given above of a device for producing a borehole in the ground according to the invention that the entire drill device can be brought to the site. and that the drum can be replaced as a whole when wear appears. By the application of ultrasonic vibrations, wear appears remarkably less quickly, which obviously makes the device and the method according to the invention particularly attractive.

L'invention n'est pas limitée à la forme de réalisation décrite ci-dessus et de nombreuses modifications peuvent y être apportées sans sortir du cadre de la demande de brevet.The invention is not limited to the embodiment described above and numerous modifications can be made to it without departing from the scope of the patent application.

Claims (14)

1. Dispositif pour la réalisation d'un trou de forage dans le sol par l'utilisation d'un tuyau, qui est pourvu, à une extrémité, d'une tête de forage, caractérisé en ce que le dispositif suivant l'in­vention comprend un tambour (1) sur lequel ledit tuyau est enroulé, des moyens pour tourner le tambour dans un sens ou dans l'autre, un appareillage de redressement (12) pour le pliage suivant l'angle désiré ou le redressement du tuyau (10), ledit appareillage de redres­sement assurant les déplacements longitudinaux nécessaires du tuyau (10).1. Device for making a borehole in the ground by the use of a pipe, which is provided, at one end, with a drilling head, characterized in that the device according to the invention comprises a drum (1) on which said pipe is wound, means for turning the drum in one direction or the other, a straightening apparatus (12) for bending at the desired angle or straightening the pipe (10) , said straightening apparatus ensuring the necessary longitudinal displacements of the pipe (10). 2. Dispositif suivant la revendication précédente, caractérisé en ce qu'il comprend encore un appareillage à vibrer (26) par lequel des vibrations polarisées peuvent être engendrées dans ledit tuyau (10).2. Device according to the preceding claim, characterized in that it further comprises a vibrating device (26) by which polarized vibrations can be generated in said pipe (10). 3. Dispositif suivant l'une des revendications 1 ou 2, caractérisé en ce que ledit tuyau (10) est un tuyau en acier.3. Device according to one of claims 1 or 2, characterized in that said pipe (10) is a steel pipe. 4. Dispositif suivant l'une des revendications 1 ou 2, caractérisé en ce que ledit tuyau (10) est constitué de plastique.4. Device according to one of claims 1 or 2, characterized in that said pipe (10) is made of plastic. 5. Dispositif suivant l'une des revendications 1 ou 2, caractérisé en ce que ledit tuyau (10) est simple.5. Device according to one of claims 1 or 2, characterized in that said pipe (10) is simple. 6. Dispositif suivant l'une des revendications 1 ou 2, caractérisé en ce que ledit tuyau (10) est un tuyau double, c'est-à-dire un tuyau dans lequel est monté un deuxième tuyau.6. Device according to one of claims 1 or 2, characterized in that said pipe (10) is a double pipe, that is to say a pipe in which is mounted a second pipe. 7. Dispositif suivant l'une des revendications 1 à 4, caractérisé en ce que ledit appareillage de redressement (26) est constitué d'au moins deux ensembles d'organes de pression (13, 13′), qui coopèrent l'un avec l'autre et qui peuvent être déplacés dans l'un ou l'autre sens par rapport au tuyau (10).7. Device according to one of claims 1 to 4, characterized in that said straightening apparatus (26) consists of at least two sets of pressure members (13, 13 ′), which cooperate with the other and which can be moved in either direction relative to the pipe (10). 8. Dispositif suivant la revendication 7, caractérisé en ce que ledits organes de pression (13, 13′) font partie d'une chaîne et en ce qu'il est prévu dans chaque chaîne un bloc de poussée (17, 17′), qui est déplaçable par des vérins hydrauliques et qui trans­met une pression réglable auxdits organes de pression.8. Device according to claim 7, characterized in that the said pressure members (13, 13 ′) are part of a chain and in that there is provided in each chain a thrust block (17, 17 ′), which is movable by hydraulic cylinders and which transmits an adjustable pressure to said pressure members. 9. Dispositif suivant l'une des revendications 7 ou 8, caractérisé en ce que lesdits organes de pression (13, 13′) présentent, en section suivant un plan s'étendant normalement par rapport au tuyau à déplacer (10), un creux (19) dont le profil est adapté à celui dudit tuyau (10).9. Device according to one of claims 7 or 8, characterized in that said pressure members (13, 13 ′) have, in section along a plane extending normally relative to the pipe to be moved (10), a recess (19) whose profile is adapted to that of said pipe (10). 10. Dispositif suivant l'une des revendications 1 à 9, caractérisé en ce que ledit appareillage de redressement (12) coopère avec des cylindres de poussée supplémentaires (22, 23), per­mettant un pliage réglable ou un redressement du tuyau (10) supplé­mentaire10. Device according to one of claims 1 to 9, characterized in that said straightening apparatus (12) cooperates with additional thrust cylinders (22, 23), allowing adjustable folding or straightening of the additional pipe (10) 11. Dispositif suivant l'une des revendications 1 à 10, caractérisé en ce qu'il est prévu des moyens pour, pendant le déroulement ou l'enroulement du tuyau (10) sur ledit tambour (1), déplacer ce dernier suivant son axe longitudinal.11. Device according to one of claims 1 to 10, characterized in that means are provided for, during the unwinding or winding of the pipe (10) on said drum (1), move the latter along its axis longitudinal. 12. Procédé de réalisation d'un trou de forage dans le sol par l'utilisation d'un tuyau, qui est pourvu, à une extrémité, d'une tête de forage, caractérisé en ce qu'on utilise un tambour inter­changeable (1) sur lequel ledit tuyau (10) est enroulé, en ce qu'on tourne ledit tambour (1) dans l'un ou dans l'autre sens, en ce qu'on assure le déplacement de ce tuyau (10) en utilisant un appareillage de redressement (12) et en ce qu'on introduit des vibrations ultra­sonores dans ledit tuyau.12. A method of producing a borehole in the ground by the use of a pipe, which is provided at one end with a drilling head, characterized in that an interchangeable drum is used (1 ) on which said pipe (10) is wound, in that said drum (1) is rotated in one or the other direction, in that it ensures the displacement of this pipe (10) using a rectifying apparatus (12) and in that ultrasonic vibrations are introduced into said pipe. 13. Procédé suivant la revendication précédente, caractérisé en ce qu'on applique des vibrations polarisées dont la fréquence est comprise entre environ 5.000 et environ 15.000 par minute.13. Method according to the preceding claim, characterized in that polarized vibrations are applied whose frequency is between approximately 5,000 and approximately 15,000 per minute. 14. Procédé suivant l'une des revendications 12 ou 13, caractérisé en ce qu'on effectue le forage à sec, c'est-à-dire sans utiliser du liquide ou de l'air comprime.14. Method according to one of claims 12 or 13, characterized in that the dry drilling is carried out, that is to say without using liquid or compressed air.
EP90201024A 1989-04-28 1990-04-24 Device and method for making a borehole in the ground Expired - Lifetime EP0395167B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE8900473 1989-04-28
BE8900473A BE1002331A3 (en) 1989-04-28 1989-04-28 Device and method for making a hole in the ground.

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EP0395167A1 true EP0395167A1 (en) 1990-10-31
EP0395167B1 EP0395167B1 (en) 1995-04-19

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AT (1) ATE121497T1 (en)
BE (1) BE1002331A3 (en)
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WO1997010411A1 (en) * 1995-09-12 1997-03-20 Transocean Asa A method and a device for use in coil pipe operations
EP0975853A1 (en) * 1998-02-17 2000-02-02 Vibration Technology LLC Downhole coiled tubing recovery apparatus
EP1090206A1 (en) * 1998-06-22 2001-04-11 Vibration Technology LLC Tubular injector with snubbing jack and oscillator
WO2003076760A2 (en) * 2002-03-08 2003-09-18 Shell Internationale Research Maatschappij B.V. Steerable soil penetration system
WO2005061842A1 (en) * 2003-12-19 2005-07-07 Schlumberger Canada Limited Tubular injector apparatus and method of use
US7810555B2 (en) 2004-12-16 2010-10-12 Schlumberger Technology Corporation Injector apparatus and method of use
WO2015150291A1 (en) * 2014-04-03 2015-10-08 Badger Explorer Asa System and method for cleaning of a drill bit
CN114233177A (en) * 2021-12-14 2022-03-25 唐山首钢马兰庄铁矿有限责任公司 Pneumatic impact rock drilling through hole device for blast hole of underground medium-length hole

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EA000199B1 (en) * 1995-09-12 1998-12-24 Трансоушн Аса A method and a device for use in coil pipe operations
WO1997010411A1 (en) * 1995-09-12 1997-03-20 Transocean Asa A method and a device for use in coil pipe operations
EP0975853A1 (en) * 1998-02-17 2000-02-02 Vibration Technology LLC Downhole coiled tubing recovery apparatus
EP0975853A4 (en) * 1998-02-17 2002-02-13 Vibration Technology Llc Downhole coiled tubing recovery apparatus
EP1090206A1 (en) * 1998-06-22 2001-04-11 Vibration Technology LLC Tubular injector with snubbing jack and oscillator
EP1090206A4 (en) * 1998-06-22 2002-02-13 Vibration Technology Llc Tubular injector with snubbing jack and oscillator
US7347282B2 (en) 2002-03-08 2008-03-25 Shell Oil Company Steerable soil penetration system
WO2003076760A2 (en) * 2002-03-08 2003-09-18 Shell Internationale Research Maatschappij B.V. Steerable soil penetration system
WO2003076760A3 (en) * 2002-03-08 2004-04-08 Shell Int Research Steerable soil penetration system
WO2005061842A1 (en) * 2003-12-19 2005-07-07 Schlumberger Canada Limited Tubular injector apparatus and method of use
EA008642B1 (en) * 2003-12-19 2007-06-29 Шлюмбергер Текнолоджи Б.В. Tubular injector apparatus and method of use
US7281588B2 (en) 2003-12-19 2007-10-16 Schlumberger Technology Corporation Tubular injector apparatus and method of use
GB2431178B (en) * 2003-12-19 2008-02-20 Schlumberger Holdings Tubular injector apparatus
GB2431178A (en) * 2003-12-19 2007-04-18 Schlumberger Holdings Tubular injector apparatus and method of use
US7810555B2 (en) 2004-12-16 2010-10-12 Schlumberger Technology Corporation Injector apparatus and method of use
WO2015150291A1 (en) * 2014-04-03 2015-10-08 Badger Explorer Asa System and method for cleaning of a drill bit
CN114233177A (en) * 2021-12-14 2022-03-25 唐山首钢马兰庄铁矿有限责任公司 Pneumatic impact rock drilling through hole device for blast hole of underground medium-length hole
CN114233177B (en) * 2021-12-14 2024-03-22 唐山首钢马兰庄铁矿有限责任公司 Pneumatic impact rock drilling through hole device for underground medium-length hole blast hole

Also Published As

Publication number Publication date
DE69018688D1 (en) 1995-05-24
ATE121497T1 (en) 1995-05-15
EP0395167B1 (en) 1995-04-19
BE1002331A3 (en) 1990-12-11

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