EP2150674B1 - Procédé et dispositif de contrôle du gainage d'une tubulure lors de l'insertion dans un trou de forage rempli de liquide - Google Patents

Procédé et dispositif de contrôle du gainage d'une tubulure lors de l'insertion dans un trou de forage rempli de liquide Download PDF

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Publication number
EP2150674B1
EP2150674B1 EP08773356A EP08773356A EP2150674B1 EP 2150674 B1 EP2150674 B1 EP 2150674B1 EP 08773356 A EP08773356 A EP 08773356A EP 08773356 A EP08773356 A EP 08773356A EP 2150674 B1 EP2150674 B1 EP 2150674B1
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EP
European Patent Office
Prior art keywords
pipeline
pulling
pulling head
electrically non
borehole
Prior art date
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Active
Application number
EP08773356A
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German (de)
English (en)
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EP2150674A2 (fr
Inventor
Rüdiger KÖGLER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Herrenknecht AG
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Herrenknecht AG
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Publication date
Application filed by Herrenknecht AG filed Critical Herrenknecht AG
Publication of EP2150674A2 publication Critical patent/EP2150674A2/fr
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Publication of EP2150674B1 publication Critical patent/EP2150674B1/fr
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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
    • 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

Definitions

  • the present invention relates to a method of checking the envelope of a pipeline during installation in a fluid-filled wellbore in a ground, wherein an advancing device exerts a compressive force on a drill head via a pipeline and a device which can be used and an isolation coupling.
  • US 2007/0053749 A1 EP 0 751 041 which is provided as the closest prior art, discloses a method, a device and a drawing head for laying a pipeline in a borehole in the ground.
  • a coated pipe is connected to a connecting element, at the front end of the pulling head is arranged.
  • the pipeline itself is with a flexible coating provided, which is fastened with a clamping element on the connecting element.
  • the pulling head is then connected to a drill head and pulled by means of the boring bar located in the borehole by pulling the boring bars.
  • such measurements are made by exposing and cleaning the tubing at both ends so that the tubing does not have an electrically conductive connection to the bottom (e.g., via the drilling fluid).
  • To determine the polarizability of the negative pole of a DC voltage source is then connected to the pipe to be tested and the positive pole to a makeshift earth electrode. By switching the current on and off at certain time intervals as well as measuring the associated switch-on and switch-off potentials, it is possible to conclude the condition of the tube envelope.
  • the present invention has for its object to allow such measurements already during the installation process, in order to be able to interrupt the Einziehvorgang promptly to damage occurrence in case of damage to the sheath and the pipe again
  • the object of the invention is achieved in that the tensile force of a drilling rig is transmitted via a drill pipe and a non-electrically conductive section having a pulling head on a pipe and during the Einziehvorgangs the integrity of the surrounding in the borehole of a liquid sheath of a pipe Measuring apparatus is checked. In this way, it is easy to make the review while retracting.
  • the measuring apparatus is located outside of the borehole and / or that the measuring device is arranged mobile and / or is moved during the collection of the pipeline substantially simultaneously with the pipeline.
  • a further teaching of the invention provides that the pipeline is stored outside the borehole on roller blocks, and / or that one end of the Pipeline electrically separated from the ground and / or the fluid-filled hole.
  • Another teaching of the invention provides that the tensile force of the drilling rig is transmitted via a shaft located in the pulling head, preferably made of steel, on a body, preferably made of steel, which is located in an electrically non-conductive portion within the pulling head and the introduced Traction over the electrically non-conductive portion transmits to a related to the pipeline bearing plate of the pulling head, whereby the pipe connected to the pulling head is subjected to the tensile force required for the pulling operation.
  • the electrically non-conductive portion contains an electrically non-conductive material, preferably concrete and / or plastic, with which the tensile force of the drilling device is transmitted to the pipeline.
  • an electrically non-conductive material preferably concrete and / or plastic, with which the tensile force of the drilling device is transmitted to the pipeline.
  • the object of the invention is achieved by a pulling head for transmitting a pulling force for drawing a pipeline into a hole filled with a liquid from a pulling device on the pipeline, on one side a connection with a drill pipe of a drilling rig for introducing a tensile force for drawing in the pipeline and on the opposite side has a connection possibility with the pipeline to be recovered, and wherein the pulling head has an electrically non-conductive portion which isolates both connection possibilities from each other.
  • the electrically non-conductive portion consists of an electrically non-conductive material
  • the electrically non-conductive material is pressure-resistant and / or tensile strength
  • the electrically non-conductive material concrete and / or a plastic is.
  • an advantageous embodiment of the invention provides that the electrically non-conductive portion is protected in the pulling direction by a cover against mechanical damage, wherein preferably the cover has no electrically conductive contact to the pulling head and / or to the pipeline.
  • a further teaching of the invention provides that the drawing head has a body connected to a shaft, preferably made of steel, preferably made of steel, and a bearing plate and that the electrically non-conductive portion of the body and the bearing plate when introduced via the shaft in such an operative connection causes the body to exert a pressure on the bearing plate and / or that the pulling head has a body connected to a shaft, preferably made of steel, preferably steel, and a rear bearing plate, and that the electrically non-conductive portion is the body and the rear bearing plate brings in pressure introduction via the pipe in an operative connection in such a way that the rear bearing plate exerts a pressure on the body.
  • the technical object is achieved by a device for checking a casing of a pipeline during a collection in a liquid-filled wellbore in which a previously described drawing head is provided, which transmits the pulling force of a drilling rig via a drill pipe to a pipeline and a measuring apparatus is provided which checks, during the drawing process, the integrity of the tubing casing surrounded by a liquid, the measuring device preferably being located outside the borehole.
  • Fig. 1 shows the principal possible use of the method according to the invention and a device which can be used in the process.
  • a liquid well 7 filled hole 6 is first created according to the usual in the horizontal drilling techniques steps (pilot hole, expansion holes).
  • the drill pipe 13 is connected via a reamer 14, various fasteners 15 and the pulling head 2 with the pipe 3.
  • the pipeline 3 is mounted on roller blocks 19 outside the borehole.
  • the end of the pipe 3 is in air and is thereby electrically separated from the bottom 16 and the well 6 filled with liquid 7.
  • a measuring device 5 at the end of the pipeline 3.
  • this measuring device 5 is mobile and moves during the Einziehvorgangs substantially simultaneously with the pipe.
  • the measuring device 5 is connected to an earth electrode 20 and the pipeline 3. Between the earth electrode 20 and the pipe 3 is a electrical measurement performed. For this purpose, a voltage source (not shown) is provided. If the sheathing 4 of the pipeline 3 is damaged, then this can be detected by the electrical measured values.
  • Fig. 2a and Fig. 3 the basic structure of a device according to the invention is shown.
  • the tensile force of the drilling rig 1 is transmitted via the drill pipe 13 via a reamer 14 and various connecting elements 15 on a steel shaft 8.
  • a steel body 9 At the end of this steel shaft 8 is a steel body 9.
  • the steel shaft 8 is partially and the steel body 9 completely surrounded by a pressure-resistant, electrically non-conductive material 10.
  • Fig. 2b to Fig. 2g show sectional views through the pulling head 2 and its internal structure.
  • the front in the pulling direction of the pulling head 2 is protected in a preferred embodiment by a cover 12 against mechanical damage.
  • Steel shaft 8, steel body 9 and cover 12 are connected via the pressure-resistant, electrically non-conductive material 10.
  • the tensile force applied by the drilling rig 1 (see Fig. 4 ) is transmitted via the steel shaft 8 and the steel body 9 and the pressure-resistant, electrically non-conductive material 10 on a bearing plate 11.
  • This bearing plate 11 is connected directly to the outer jacket of the pulling head 2 and, in turn, to the pipeline 3.
  • a pipe with an outer diameter of 600 mm is chosen as an example.
  • the maximum assumed laying force when using the horizontal drilling technique is assumed to be approx. 2,500 kN. This value is already a special case, because the normal pull-in forces are usually only about 500 - 1,500 kN for very long holes for the considered pipe diameter.
  • the area available for the transmission of the forces introduced results from the sectional area of steel body 9 and bearing plate 11. In the example, this area is 141,573 mm 2 .
  • the pressure-resistant, electrically non-conductive material 10 has a compressive strength of, for example, 45 N / mm 2 (eg concrete C45 / 55), this results in a maximum possible power transmission of 6,371 kN and thus a multiple of the required 25 force of 2,500 kN.

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  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (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)
  • Basic Packing Technique (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Pipeline Systems (AREA)

Claims (15)

  1. Procédé de contrôle d'un gainage d'une tubulure (3) pendant son insertion dans un trou de forage (6) rempli de liquide (7), caractérisé en ce que la force de tirage d'une installation de forage (1) est transmise à une tubulure (3) par le biais d'une tige de forage (13) et d'une tête de tirage (2) présentant une portion non électriquement conductrice, et pendant l'opération d'insertion, on contrôle, au moyen d'un appareil de mesure (5), l'absence d'endommagement du gainage (4) de la tubulure (3) entouré par un liquide (7) dans le trou de forage (6).
  2. Procédé selon la revendication 1, caractérisé en ce que l'appareil de mesure (5) se trouve en dehors du trou de forage (6) et/ou en ce que le dispositif de mesure (5) est mobile et/ou est déplacé pendant l'insertion de la tubulure (3) essentiellement simultanément avec la tubulure (3).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la tubulure (3) est montée en dehors du trou de forage (6) sur des supports à rouleaux (19), et/ou en ce qu'une extrémité de la tubulure (3) est séparée électriquement du sol (16) et/ou du trou de forage (6) rempli de liquide (7).
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le contrôle est effectué électriquement.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la force de tirage de l'installation de forage (1) est transmise, par le biais d'un arbre (8) se trouvant dans la tête de tirage (2), de préférence en acier, à un corps (9), de préférence en acier, qui se trouve dans une portion non électriquement conductrice à l'intérieur de la tête de tirage (2) et qui transfère une force de tirage introduite par le biais de la portion non électriquement conductrice à une plaque de palier (11) de la tête de tirage (2) en liaison avec la tubulure (3), de sorte que la tubulure (3) connectée à la tête de tirage (2) soit sollicitée avec la force de tirage requise pour l'opération d'insertion.
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la portion non électriquement conductrice contient un matériau non électriquement conducteur (10), de préférence du béton et/ou un plastique, avec lequel la force de tirage du dispositif de forage (1) est transmise à la tubulure (3).
  7. Tête de tirage pour le transfert d'une force de tirage pour l'insertion d'une tubulure (3) dans un trou de forage (6) rempli d'un liquide (7) d'un dispositif de tirage à la tubulure (3), caractérisée en ce qu'elle présente d'un côté une possibilité de connexion à une tige de forage (13) d'une installation de forage (1) pour l'introduction d'une force de tirage pour insérer la tubulure (3), et du côté opposé, une possibilité de connexion à la tubulure (3) à insérer, et en ce que la tête de tirage (2) présente une portion non électriquement conductrice qui isole l'une de l'autre les deux possibilités de connexion.
  8. Tête de tirage selon la revendication 7, caractérisée en ce que le dispositif de tirage est un dispositif de forage (1).
  9. Tête de tirage selon la revendication 7 ou 8, caractérisée en ce que la portion non électriquement conductrice se compose d'un matériau non électriquement conducteur (10).
  10. Tête de tirage selon la revendication 9, caractérisée en ce que le matériau non électriquement conducteur (10) est résistant à la pression et/ou à la traction.
  11. Tête de tirage selon la revendication 8 ou 9, caractérisée en ce que le matériau non électriquement conducteur (10) est du béton et/ou un plastique.
  12. Tête de tirage selon l'une quelconque des revendications 7 à 11, caractérisée en ce que la portion non électriquement conductrice est protégée dans la direction de tirage contre les endommagements mécaniques par un recouvrement (12), le recouvrement (12) ne présentant de préférence aucun contact électriquement conducteur avec la tête de tirage (2) et/ou la tubulure (3).
  13. Tête de tirage selon l'une quelconque des revendications 7 à 12, caractérisée en ce que la tête de tirage (2) présente un corps (9), de préférence en acier, connecté à un arbre (8), de préférence en acier, et une plaque de palier (11), et en ce que la portion non électriquement conductrice amène le corps (9) et la plaque de palier (11) en liaison fonctionnelle lors de l'introduction de la traction par le biais de l'arbre (8), de telle sorte que le corps (9) exerce une pression sur la plaque de palier (10).
  14. Tête de tirage selon l'une quelconque des revendications 7 à 13, caractérisée en ce que la tête de tirage (2) présente un corps (9), de préférence en acier, connecté à un arbre (8), de préférence en acier, et une plaque de palier arrière (17), et en ce que la portion non électriquement conductrice amène le corps (9) et la plaque de palier arrière (17) en liaison fonctionnelle lors de l'introduction de la pression par le biais de la tubulure (3), de telle sorte que la plaque de palier arrière (17) exerce une pression sur le corps (9).
  15. Dispositif pour contrôler un gainage d'une tubulure pendant une insertion dans un trou de forage rempli de liquide, caractérisé en ce qu'une tête de tirage (2) selon l'une quelconque des revendications 7 à 14 est prévue, laquelle transfère la force de tirage d'une installation de forage (1) par le biais d'une tige de forage (13) à une tubulure (3), et en ce qu'un appareil de mesure (5) est prévu, avec lequel, pendant l'opération d'insertion, on contrôle l'absence d'endommagement du gainage (4) de la tubulure (3) entouré par un liquide (7) dans le trou de forage (6), le dispositif de mesure (5) se trouvant de préférence en dehors du trou de forage (6).
EP08773356A 2007-06-02 2008-06-02 Procédé et dispositif de contrôle du gainage d'une tubulure lors de l'insertion dans un trou de forage rempli de liquide Active EP2150674B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007025917A DE102007025917B4 (de) 2007-06-02 2007-06-02 Verfahren und Vorrichtung zur Überprüfung der Umhüllung einer Rohrleitung während des Einzugs in ein mit Flüssigkeit gefülltes Bohrloch
PCT/EP2008/004390 WO2008148514A2 (fr) 2007-06-02 2008-06-02 Procédé et dispositif de contrôle du gainage d'une tubulure lors de l'insertion dans un trou de forage rempli de liquide

Publications (2)

Publication Number Publication Date
EP2150674A2 EP2150674A2 (fr) 2010-02-10
EP2150674B1 true EP2150674B1 (fr) 2011-03-30

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ID=39929129

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08773356A Active EP2150674B1 (fr) 2007-06-02 2008-06-02 Procédé et dispositif de contrôle du gainage d'une tubulure lors de l'insertion dans un trou de forage rempli de liquide

Country Status (4)

Country Link
EP (1) EP2150674B1 (fr)
AT (1) ATE503909T1 (fr)
DE (2) DE102007025917B4 (fr)
WO (1) WO2008148514A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014005567A1 (de) * 2014-04-16 2015-10-22 Rhône Trade and Consulting SA Verfahren zum grabenlosen Verlegen einer Rohrleitung
CN112901079A (zh) * 2021-02-02 2021-06-04 陕西中科非开挖技术股份有限公司 一种管道回拖连接用保护装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319648A (en) * 1979-09-24 1982-03-16 Reading & Bates Construction Co. Process for drilling underground arcuate paths and installing production casings, conduits, or flow pipes therein
EP0059804A1 (fr) * 1981-03-05 1982-09-15 Panhandle Eastern Pipe Line Company Méthode et dispositif pour détecter des fuites de courants à la terre dans des conduites ayant une protection cathodique
DE3808322C1 (en) * 1988-03-12 1989-09-21 Buderus Bau- Und Abwassertechnik Gmbh, 6330 Wetzlar, De Method for testing the external corrosion protection of single-pipe lines which are laid in the ground and consist of ductile cast iron, and application of said method
DE3818998C3 (de) * 1988-06-03 2003-02-27 Tracto Technik Verfahren zum Verlegen von Versorgungsleitungen
US5331286A (en) * 1989-08-01 1994-07-19 Eniricerche S.P.A. Method for continuously monitoring the soundness of the protective covering on underground metal structures, and devices for its implementation
IT1230366B (it) * 1989-08-01 1991-10-18 Eniricerche Spa Procedimento per il controllo in continuo dell'integrita' del rivestimento protettivo di strutture metalliche interrate e dispositivi per la sua realizzazione.
CA2517980C (fr) * 2003-09-30 2007-05-01 Drag'n Skin International Inc. Tuyauterie et procede d'installation dans un trou de forage
DE202005020808U1 (de) * 2005-03-23 2006-08-24 Abb Patent Gmbh Magnetisch-induktiver Durchflussmesser mit elektrisch isoliertem Messrohr
DE102005036508B4 (de) * 2005-07-29 2007-07-12 Eupec Pipecoatings Gmbh Verfahren und Vorrichtung zur Überwachung und Detektierung von Beschichtungsdefekten einer erd- oder wasserverlegten Rohrleitung
GB0516353D0 (en) * 2005-08-09 2005-09-14 Tuscan Corrosion Control Ltd Pipe coating evaluation apparatus and method

Also Published As

Publication number Publication date
EP2150674A2 (fr) 2010-02-10
WO2008148514A3 (fr) 2009-02-19
WO2008148514A2 (fr) 2008-12-11
ATE503909T1 (de) 2011-04-15
DE102007025917A1 (de) 2008-12-24
DE502008003015D1 (de) 2011-05-12
DE102007025917B4 (de) 2009-11-12

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