WO2012074404A2 - Procédé et dispositif pour le forage d'une fosse ou d'un passage, et tube flexible correspondant - Google Patents

Procédé et dispositif pour le forage d'une fosse ou d'un passage, et tube flexible correspondant Download PDF

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Publication number
WO2012074404A2
WO2012074404A2 PCT/NL2011/050829 NL2011050829W WO2012074404A2 WO 2012074404 A2 WO2012074404 A2 WO 2012074404A2 NL 2011050829 W NL2011050829 W NL 2011050829W WO 2012074404 A2 WO2012074404 A2 WO 2012074404A2
Authority
WO
WIPO (PCT)
Prior art keywords
pressure chamber
hose
pressure
flexible tube
ground
Prior art date
Application number
PCT/NL2011/050829
Other languages
English (en)
Other versions
WO2012074404A3 (fr
Inventor
Bernardus Ludgerus Lubertus Hijlkema
Original Assignee
Bernardus Ludgerus Lubertus Hijlkema
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from NL1038414A external-priority patent/NL1038414C2/nl
Application filed by Bernardus Ludgerus Lubertus Hijlkema filed Critical Bernardus Ludgerus Lubertus Hijlkema
Priority to US13/991,049 priority Critical patent/US20130313020A1/en
Priority to EP11797276.0A priority patent/EP2646640A2/fr
Publication of WO2012074404A2 publication Critical patent/WO2012074404A2/fr
Publication of WO2012074404A3 publication Critical patent/WO2012074404A3/fr

Links

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
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
    • E21B7/205—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes without earth removal
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
    • 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
    • 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
    • E21B7/06—Deflecting the direction of boreholes

Definitions

  • the invention relates to a method for drilling a pit or passage extending substantially vertically under the ground.
  • a pit or passage is for instance used for placing a foundation element such as a foundation pile. It is also possible to use such pits or passages for instance for a heat/cold storage. Other applications are also possible.
  • Arranging an elongate hole in the form of a pipe in the ground is generally carried out via drilling with a soil drill or in similar manner with for instance water
  • the agitated soil in the form of clay, loam, sand, peat etc. is herein transported to the surface and discharged.
  • a hole can also be realized via displacement of the soil, as takes place in pile-driving.
  • the object of the invention is to obviate or at least reduce the above stated problems and to provide a method for arranging an elongate hole in the ground.
  • a flexible pipe is provided according to the invention.
  • a first outer end hereof is connected to a pressure chamber which can be brought to pressure by means of a pressure medium.
  • This pressure medium is a fluid, for instance water or air.
  • the flexible tube is then pressed into the ground by the pressure in the pressure chamber while the first outer end is held fixedly on the pressure chamber.
  • This pressure chamber in substantially airtight manner such that there is only one possible way out for the pressure medium.
  • This exit is formed by the flexible tube or hose.
  • the second outer end of the flexible tube is preferably sealed airtightly here.
  • the flexible tube By positioning the flexible tube toward the ground this flexible tube will be pressed into the ground by applying the pressure and here move in the ground in a substantially vertical direction. The soil is pressed or displaced here to the side. This relates therefore to displacement of the soil by the flexible tube.
  • the flexible tube is preferably removed therefrom and the pressure chamber is brought once again to atmospheric pressure.
  • the flexible tube used is preferably sufficiently flexible to be fixed and held with a first outer end in the pressure chamber on one side and to be pressed into the ground on the other.
  • the flexible tube is preferably
  • the pressure medium preferably comprises air. Air can be brought to the desired pressure in relatively simple manner. Depending on the ground, this pressure amounts for instance to 20-26 bar.
  • a different fluid such as water or drilling fluid, is however also possible.
  • the flexible tube is provided from the pressure chamber.
  • the pressure medium By feeding the flexible tube into the ground from the pressure chamber, the pressure medium has a way out of the pressure chamber via the flexible tube and presses the flexible tube into the ground.
  • the flexible tube is stored in the pressure chamber.
  • the pressure chamber can hereby be substantially airtight, with the exception of the outgoing flexible tube and the feed of the pressure medium.
  • the flexible tube is preferably provided here on a reel in this pressure chamber, which is unrolled during use.
  • the flexible hose is carried during use into the pressure chamber using sealing means. This has the advantage that a relatively small pressure chamber can be provided. This increases the manageability of the device in which the method is
  • the flexible hose can for instance be provided on a reel which is provided some distance from the pressure chamber. This is
  • the flexible hose is carried with a bend into the ground using bend means.
  • Providing additional bend means achieves that the flexible hose or tube can be placed in the ground using a bend.
  • the hose is deflected to some extent here from a straight, for instance vertical line. Use is preferably made for this purpose of a number of annular elements which are mounted round the hose.
  • the annular elements are mounted around the hose or tube on the basis of slippage and are carried therewith into the ground. It should be taken into consideration here that the speed of the tube is twice as high as the drilling speed. Rotation is then possible by for instance a rotation of the annular elements, wherein these are provided with heights which are not wholly equal, in order to thereby realize a bend.
  • the annular elements can be pushed away from each other on one side using a cylinder such that a bend is also realized.
  • a cylinder are for instance embodied as hydraulic cylinders and thereby form sliding means for mutually displacing the bend means, preferably in the form of the annular elements.
  • the method further comprises of repeating one or more of the above stated steps for the purpose of a second drilling in order to thereby enlarge the diameter of the pit or passage.
  • An effective method is realized with stepwise forming of relatively large drilled holes, i.e. gradually increasing the diameter with separate drillings.
  • a diameter of 10 cm can for instance be used in a first drilling, can be increased to 30 cm in a second drilling and then be
  • the invention further relates to a device for drilling a pit or passage for a structural element, comprising:
  • a pressure chamber connected in or on the frame
  • connecting means operatively connected to the pressure chamber for connecting a flexible tube to the pressure chamber
  • - pressure means for bringing the pressure chamber and the flexible tube operatively connected thereto during use under pressure using a pressure medium, such that a pit or passage extending in substantially vertical direction is realized in the ground.
  • Such a device provides the same effects and advantages as described for the method.
  • the device is particularly suitable for performing one or more of the above-mentioned method steps.
  • the device according to the invention preferably makes use of a flexible tube which is provided at a first outer end on the connecting means and is pressed into the ground by the pressure medium.
  • a pressure chamber is provided in substantially airtight manner such that the pressure seeks to escape via the flexible tube and thereby presses it into the ground.
  • the pressure medium is a fluid, for instance water or air.
  • the flexible tube is preferably a PVC film which can take a single, double or triple-walled form. Other embodiments are likewise possible.
  • the pressure chamber is provided with sealing means for throughfeed of flexible tube to the pressure chamber during use. It is hereby possible to suffice with a smaller pressure chamber, as stated above. Use can also be made of bend means which optionally make use of extendable cylinders.
  • the invention further also relates to a flexible tube comprising a PVC film and/or other optionally fibre- reinforced plastic material suitable for applications in a device and/or method as described above.
  • Figures 1 to 53 show diverse views of the method and device according to the invention.
  • Hose 2 is pressurized here by pump 1 using a pressure medium.
  • strips of plastic film 16 are applied which, when under strain of tension, can absorb sufficiently great forces such as will occur when this technique is applied, and which will most likely, though not necessarily, be a type of fibre-reinforced plastic film.
  • Longitudinal sides 18 of such a strip are welded or adhered to each other in longitudinal direction with sufficient overlap, whereby this strip will take on the form of a hose 2.
  • This hose having for instance a length of 50 metres and a diameter of 10 cm in the exemplary
  • a rope (belt, cord, cable) or an (air) hose.
  • First the rope and then the hose are then rolled onto a reel 3 (figure 1), the other outer end of the hose is arranged airtightly on the housing airtightly on clamping provision 6 at the position of manifold 7, and the reel can be placed in housing 4 that is to be sealed airtightly.
  • the film hose is carried to the centre of the manifold via a guide provision, for instance in the form of a guide roller 5.
  • the film hose can possibly also be manufactured integrally by means of for instance extrusion.
  • an overpressure can be arranged in the housing by allowing inflow of compressed air or other fluid suitable for this purpose.
  • the direct result hereof is that the part of the hose which is unrolled in this situation is pressed against the ground with the pressure value of the compressed air. As soon as this pressure value becomes sufficiently higher than the
  • the ground will be pushed aside by the expanding of the hose during the further unrolling and the hose will begin to form the wall of the drilled hole, and herein take on its maximum diameter. This unrolling process is continued for as long as the
  • permissible pressure value of the type of soil to be displaced At a pressure value of for instance 12 bar or higher it would seem likely that all types of soil occurring in the Netherlands can be displaced in this manner.
  • the permissible pressure of very compact sand at great depth under the ground surface thus amounts to a maximum of 6 kgf/cm 2 , and it is expected that the pressure exerted on this ground by the compressed air of 12 bar or higher may be deemed sufficiently high to allow the displacement process to be effected. Higher pressures can optionally also be utilized for this purpose.
  • Figures 2 and 3 show the situation in which the hose is about a guarter unrolled and the hole is formed to a depth of about 13 metres.
  • Figure 4 shows the situation in which both the hose and the rope are fully unrolled and the hole has reached a depth of in this case 50 metres.
  • Figure 5 shows the situation of the rope and the hose where they are rolled up again, wherein the formed hole, optionally filled with compressed air or with for instance water, has retained its shape.
  • a support construction for instance in the form of a perforated tube structure, can optionally then be arranged in the hose for the purpose of form-retention of the hose.
  • this film hose can, after a drilled hole is formed, be provided with a perforation optionally arranged later locally or over the whole length.
  • a perforation mechanism from which a number of pins is forced through the film material.
  • perforation operation can be repeated and the draining function will once again be restored.
  • the unrolling part of the hose can be provided with a penetration tube 22 (figure 8) . It will be possible to ensure the unrolling action of the film hose by arranging a smooth inner lining in this penetration tube.
  • a penetration tube can be provided on the underside with a tip shape or cutting line.
  • the tip of this penetrating tube can also consist of for instance three parts 24 which are slidable relative to each other (figure 9) . One of these parts can be made to protrude relative to the other parts by actuating an internal mechanism (figure 10), whereby the direction of the movement of the film hose is influenced.
  • the film hose can be made to follow a desired path with this form of control.
  • Figure 11 shows an alternative embodiment for
  • Arranging a throughfeed provision 32 in housing 34 of the pressure chamber makes it possible to carry the film hose into and out of the pressure chamber, for instance from a reel 36 situated outside the housing.
  • a solution can be found for performing this operation in arranging in the housing an externally driven triple roller system 38 through which the hose is fed in flat form and clamped sufficiently to realize the forces necessary for this purpose, particularly the forces necessary for pulling the drilling hose upward again after a drilling operation has been performed.
  • an alternative method is to use a hose of 10 cm diameter 46 with a length in this example of 50 cm (figure 20) .
  • the pressure can be increased further by fixing the hose feed such that the hose part which has moved out of the casing is inflated to a diameter of 300, see figure 22.
  • the hose has acquired sufficient anchoring in the drilled hole to continue the drilling operation, see figures 23 and 24, without further operations for fixing or anchoring the housing.
  • a control mechanism is arranged which is constructed in this embodiment from five annular elements 48 which in this example are positioned and fixed in horizontal direction relative to each other via a fitting.
  • An alternative for controlling the drilling operation can be found in arranging a system of two rings 54 mutually coupled by three pressure elements 52 in the outer end of the hose, as shown in figures 32 and 33.
  • the supply of the hose takes place through the innermost ring.
  • By actuating the pressure elements it becomes possible to change the positioning of the inner ring relative to that of the outer ring, whereby the symmetrical, annular contact surface between the hose end and the bottom, which is present in figure 32, is changed into an asymmetrical annular form, see figure 33, whereby the direction in which the subsequent drilling runs will deviate from the, in this example vertical, line until the moment at which there will once again be a symmetrical annular contact surface between the hose end and the bottom.
  • FIG. 34 shows a method which in desert-like and dry regions greatly increases the chance of for instance newly planted trees being able to survive the first vulnerable period following planting and develop into saplings rooted properly in the ground and finding sufficient groundwater.
  • a tube film of for instance 20 cm diameter is for this purpose driven into the ground to a depth of 50 cm, see figure 34, after which the tube film is sealed via for instance welding or binding and, as shown in figure 35, severed beyond the arranged weld.
  • the drilling operation is then continued until the position of for instance about lm 1 deep shown in figure 35 is reached.
  • the pressure chamber can then be removed and, as figure 36 shows, the tube film in the form of a plastic bag sealed watertightly on the underside is left behind in the hole thus given a nicely round form.
  • the ball of the young plant By pressing the ball of the young plant to a diameter of for instance 16 cm and a length of lm 1 it then becomes possible to lower the ball of a young plant 58 into plastic bag 56, see figure 37.
  • the ball By then tamping the ball down well, the ball will completely fill the plastic bag and the young plant can be provided with the necessary water (see figure 38) .
  • the plastic bag protrudes a little above ground level.
  • Figure 39 shows the situation in which the young plant has developed into a young tree firmly rooted in the ground wherein, at a certain moment at which this young tree was ready, it has caused its roots to penetrate the plastic bag.
  • the film drilling technique can be applied for diverse forms of sinking wells 60.
  • the exemplary embodiment shown here in figures 40 to 47 is intended to enable the fire service to have access in a very short time to sufficient extinguishing water by means of pumping up groundwater at locations from which too little or no extinguishing water at all is currently available to effectively combat a fire which has broken out.
  • the film hose situated on a reel at the fire station and having a diameter of for instance 12 cm is provided at its outer end with a prearranged airtight air balloon and has a breaking diameter in this example of about lm 1 .
  • a breaking diameter in this example of about lm 1 On the basis of an inventory of the region in question it is known, for all locations suitable for application of this system, at which depths sufficiently voluminous water reservoirs 62 are located to enable effective fire fighting in the case a fire breaks out.
  • the layer providing sufficient water supply is found to be located 2m 1 below ground level, and this depth dimension is passed on to the relevant fire crew immediately after the fire is reported.
  • a film hose with a length of 2.20m 1 is then cut off the roll and, as described above, clamped onto the casing of the pressure chamber and
  • a standard fire hose attachment with arranged
  • This fire hose of about 10 cm diameter, is provided at the one outer end with a hose coupling, see figure 43, and at the other outer end with a perforated tube part, see figure 44.
  • a swelling material in an inflatable sleeve with a breaking diameter of for instance 70 cm is in this example fixed around this tube part.
  • a hole of for instance 30 cm deep is drilled using a soil drill with a diameter of 10 cm and the pressure chamber is placed in this hole, immediately after which the required pressure value is applied in the pressure chamber, in this case preferably using compressed air, so that the film hose forms the desired drilled hole until it has reached the water-bearing ground layer (see figure 40) .
  • the film hose can then penetrate this water-bearing layer, for instance over a length of 20 cm, (see figure 41) such that the film hose will be fully expanded.
  • a fire has broken out in a silo 68 filled to the brim with soy meal.
  • a hole 72 is arranged in the wall of the silo at the position of the top of the source of the fire 70 which has just broken out, see figure 49, through which hole the casing 74 of the pressure chamber can be inserted into the meal (see figure 50) .
  • the pressure chamber is provided with for instance electromagnets 76, with which the pressure chamber is fixed against the in this case steel wall of the silo. Suction cup attachment, screw or cotter bolt anchoring or support by an external structure can also be used for this purpose.
  • the pressure chamber is filled with water and the pressure of the water supply is further increased so that the hose expanding out of the pressure chamber begins to penetrate the meal heap, see figure 51, following which the hose will, after a time, reach and also penetrate the source of the fire, see figure 52.
  • the intense heat of the fire source will then ensure that the part of the plastic hose which has penetrated into the fire source will melt, after which extinguishing water can be sprayed freely through this hose into the source of the fire until the fire is
  • This fire extinguishing method makes it possible to fight such a fire very quickly and effectively using very limited means, and to limit as far as possible the damage to the meal and the silo not yet affected by the fire.
  • penetration operation could in the first instance be performed by applying compressed air. As soon as the hose is then burnt through to sufficient extent, the water supply can then be fully opened immediately and the fire extinguished in a short time with a large jet of extinguishing water.
  • the present invention is by no means limited to the present preferred embodiments thereof.
  • the rights sought are defined by the following claims, within the scope of which many modifications can be envisaged. It is thus for instance possible to use the device as a structural element, for instance as a lifting beam or hoisting beam, for the purpose of a hoisting device. In this way it is for instance possible to extend the structural element, with a flexible tube brought to pressure by pressure medium, for instance 1 to 5 metres out of an upper window and thereby displace goods with a compact device.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Earth Drilling (AREA)

Abstract

La présente invention concerne un procédé et un dispositif pour le forage d'une fosse ou d'un passage s'étendant sensiblement verticalement dans le sol, et un tube flexible correspondant. Le procédé selon l'invention comprend les étapes suivantes: la mise à disposition d'un châssis avec une chambre de pression ; la disposition d'une première extrémité extérieure d'un tube flexible sur la chambre de pression à l'aide de moyens de connexion ; l'application d'une pression dans la chambre de pression avec un fluide de pression à l'aide de moyens de pression ; et le transport du tube flexible dans le sol.
PCT/NL2011/050829 2010-12-01 2011-12-01 Procédé et dispositif pour le forage d'une fosse ou d'un passage, et tube flexible correspondant WO2012074404A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US13/991,049 US20130313020A1 (en) 2010-12-01 2011-12-01 Method and device for drilling a pit or passage, and flexible tube therefor
EP11797276.0A EP2646640A2 (fr) 2010-12-01 2011-12-01 Procédé et dispositif pour le forage d'une fosse ou d'un passage, et tube flexible correspondant

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NL1038414 2010-12-01
NL1038414A NL1038414C2 (nl) 2010-08-30 2010-12-01 De techniek van het folieboren.
NL1039014 2011-08-26
NL1039014 2011-08-26

Publications (2)

Publication Number Publication Date
WO2012074404A2 true WO2012074404A2 (fr) 2012-06-07
WO2012074404A3 WO2012074404A3 (fr) 2012-10-04

Family

ID=45351082

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2011/050829 WO2012074404A2 (fr) 2010-12-01 2011-12-01 Procédé et dispositif pour le forage d'une fosse ou d'un passage, et tube flexible correspondant

Country Status (3)

Country Link
US (1) US20130313020A1 (fr)
EP (1) EP2646640A2 (fr)
WO (1) WO2012074404A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3034778A1 (fr) * 2014-12-18 2016-06-22 Shell Internationale Research Maatschappij B.V. Ensemble et procédé pour élargir un élément tubulaire

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GB9009073D0 (en) * 1990-04-23 1990-06-20 Insituform Group Ltd Improvements relating to the lining of pipelines or passageways
US5466093A (en) * 1994-05-16 1995-11-14 Keller; Carl E. Method and apparatus for removing contaminants from a duct or pipe
US6006839A (en) * 1996-10-02 1999-12-28 Stewart & Stevenson, Inc. Pressurized flexible conduit injection system
US5803666A (en) * 1996-12-19 1998-09-08 Keller; Carl E. Horizontal drilling method and apparatus
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US7896578B2 (en) * 2007-06-28 2011-03-01 Carl Keller Mapping of contaminants in geologic formations
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US9724873B2 (en) * 2008-12-19 2017-08-08 Simon Sanders Pipe-liner eversion system and method
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3034778A1 (fr) * 2014-12-18 2016-06-22 Shell Internationale Research Maatschappij B.V. Ensemble et procédé pour élargir un élément tubulaire

Also Published As

Publication number Publication date
WO2012074404A3 (fr) 2012-10-04
US20130313020A1 (en) 2013-11-28
EP2646640A2 (fr) 2013-10-09

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