EP1213440B1 - Procédé de transmission d'informations le long d'un train de tiges de forage - Google Patents
Procédé de transmission d'informations le long d'un train de tiges de forage Download PDFInfo
- Publication number
- EP1213440B1 EP1213440B1 EP01402933A EP01402933A EP1213440B1 EP 1213440 B1 EP1213440 B1 EP 1213440B1 EP 01402933 A EP01402933 A EP 01402933A EP 01402933 A EP01402933 A EP 01402933A EP 1213440 B1 EP1213440 B1 EP 1213440B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coil
- string
- electrical signal
- rods
- annular space
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 238000005553 drilling Methods 0.000 claims description 15
- 230000001939 inductive effect Effects 0.000 claims description 14
- 239000004020 conductor Substances 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 10
- 238000012546 transfer Methods 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 230000009977 dual effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 241001080024 Telles Species 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004459 forage Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Images
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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/003—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings with electrically conducting or insulating means
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/13—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency
Definitions
- the subject of the present invention is a transmission method information by a special drill string which is used to manufacture columns more resistant than the field in place, this drill string allowing, this train of rods allowing the transmission of said information between its upper end near the ground surface and its lower end carrying the drilling tools.
- the technique of soil consolidation by destructuring ground by a jet of liquid at very high pressure most often called “jet grouting” consists in making columns of soil concrete (mixing in place of ground with a binder provided by the fluid of the jet) from a drilling using a drill string in which the fluid is sent to high pressure to make the column.
- One of the jet processes called “double jet” uses two fluids.
- She is made of conventional way using a double column drill string, i.e. having an internal pipe for driving the two fluids at the bottom of the borehole.
- the central pipe conveys the jet liquid, usually a mixture of water and cement, and in the annular space between the external wall of the tube and the internal pipe circulates the compressed air.
- a first object of the invention is to provide a support for transmission of information using a drill string for the technique "double jet” which is simpler to use and can be used with standard “double jet” rods.
- Another object of the invention is to provide a drill string for the implementation of the "double jet” technique which allows improved information transmission.
- the current loop is formed by the conductive elements formed by the external wall of the rods and by the internal pipe of these same rods which are separated by the insulating gas filling the annular space between these two tubes coaxial.
- this transmission of information does not require no modification of standard rods. It simply requires the setting inductive coupling coils in the drill pipe lower and in the upper drill pipe.
- the lower coil in this embodiment, plays the role of transmitter and the upper coil plays the role of receiver enabling information to be transmitted to processing and operating facilities located above the ground.
- the information applied to the first coil are the ones that are delivered by the sensors mounted in the lower part of the train rods and that this same information, possibly transformed as to their shape, are collected by the upper coil and transmitted to treatment units arranged on the ground surface.
- FIG 1 there is shown in a simplified manner a drilling machine by "double jet”.
- This figure shows a platform 10 preferably mounted on tracks 12 on which is articulated at its lower end 14a a vertical guide mast 14.
- the mast 14 is used for guiding in vertical translation of a carriage 16 which carries itself a drilling head 18 or rotation head.
- the drilling head 18 is used, on the one hand, for the rotation of the drill string 20 constituted by the elementary rods 20a and for the downward movement of the drill string under the effect of the descent of the carriage 16.
- a l 'upper end of the drill string there is in particular a rotary joint 22 which allows the supply of pressurized air and jet liquid 24 and 26.
- the lower rod 20 i is equipped with the jet tool 28 and d '' a mechanical drilling tool 30.
- each rod 20a is constituted by an external tube 34 and by an internal coaxial pipe 36.
- the external wall 34 and the internal pipe 36 define between them an annular space 38 which is used for conveying the pressurized air to the jet module 28.
- the coaxial internal pipe 36 is used for conveying the pressurized liquid also to the jet module.
- a first coil 40 of electromagnetic coupling is mounted in the lower rod element 20 i , this coil being mounted in the annular space 38 filled with pressurized air.
- This coil 40 surrounds the internal pipe 36.
- the external wall 34 of the rod has a portion of larger diameter 42.
- the coil 40 is connected by electrical conductors such as 44 to the sensors of the module 32.
- a second coil 46 is mounted which surrounds the internal pipe 36 and which is arranged in the annular space 38. This second coil 46 is connected to electrical conductors 48 by means of the rotary joint 22.
- the outer wall of the rods 20 and the internal pipe 36 of these same rods are made of a metal or a electrically conductive alloy. It is understood that the internal pipe 36 and the outer wall 34 electrically connected at their ends superior and inferior by any suitable means constitute a conductive loop well suited for transmission according to the mode of current loop.
- the coils 40 and 46 are mounted on one of the conducting elements of this current loop constituted by the internal pipe 36 and external wall 34. If so, we apply a signal non-continuous electric to the lower coil 40, an induced current is created in the current loop defined above and is therefore collected by the upper coil 46. We therefore obtain, on the coil 46 and the conductors 48 associated with it, an electrical signal representative of the electrical signal which has been applied to the lower coil 40. If the signal applied to the coil 40 is representative of measurements made by the sensors arranged in the measurement compartment 32, it is understood that electrical signals representative of these measurements, these electrical signals being able to be processed in real time at the surface.
- a verticality sensor 50 used to control the verticality of the drilling tool and a sensor 52 making it possible to measure the thickness of the column produced in the jet phase. He could of course there are other sensors arranged in this compartment.
- the measurement sensors 50, 52 are connected to an interface component 56 which converts the electrical signals delivered by the sensors and corresponding to the measurements made in digital measurements then in an alternative signal representative of digital information. It is by example of a generator of fixed frequency and fixed amplitude which delivers an alternating signal in the periods when the digital signal has the value binary 1 and which does not deliver any alternative signal in the case where the signal numeric has the binary value 0. This is shown in Figure 4.
- the frequency signals produced by the interface circuit 56 are applied to the lower inductive coupling coil 40 by the conductors 44.
- the inductive coupling coils 40 and 46 consist of a torus-shaped magnetic core surrounding the internal pipe 36, core on which an electrical conductor is wound to constitute a conventional type electromagnetic coil.
- the upper receiving coil 46 which is connected via the rotary joint 22 to the electrical output conductor 48.
- the coil 46 is preferably also produced using a magnetic core in the shape of a torus 58 and an electrical conductor wound on this core 60.
- FIG 3 there is also shown schematically the arrival of the pressurized liquid 62, for example cement in suspension in water to supply the internal pipe 36 and the supply of compressed air 64 to supply the annular space 38.
- the jet compartment 28 there is also shown schematically an injection nozzle 66 connected to the axial pipe 36 and a annular nozzle connected to the annular space 38 in which circulates air under pressure.
- the processing assembly there is a lower emitting coil 40 connected to the sensors and an upper coil 46 connected to the processing assembly.
- Information therefore flows from the bottom of the drill string to the ground surface.
- the two coils will preferably consist of a single magnetic core on which a transmitter winding and a receiver winding will be wound.
- each coil can be associated with a switching device which allows it to be connected either to a receiving circuit, either to a transmitter circuit.
- the two electromagnetic coils associated with the loop current defined above also allow transmission of electrical energy from the surface to the measurement compartment 32 to recharge the battery or accumulator 54. This transfer of energy is carried out in periods when no information is to be transmitted.
- the technique of "triple jet” is used.
- a liquid jet and a pressurized air jet are used to deconstruct the land while the third jet is used to supply the grout for the realization of the column.
- the rods then have two pipes internal coaxial.
- the coupling coils inductive will still be arranged in the annular space in which pressurized air flows.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Geophysics (AREA)
- Earth Drilling (AREA)
- Treatment Of Fiber Materials (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Near-Field Transmission Systems (AREA)
- Geophysics And Detection Of Objects (AREA)
- Drilling Tools (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Description
caractérisé en ce que les moyens de transmission d'informations comprennent :
- une première bobine de couplage inductif disposée à proximité de l'extrémité inférieure dudit train de tiges dans ledit espace annulaire de telle manière que ladite bobine entoure ladite conduite ;
- des moyens pour appliquer à ladite bobine un signal électrique représentatif des informations à transmettre ;
- une deuxième bobine de couplage inductif disposée à proximité de l'extrémité supérieure dudit train de tiges et dans l'espace annulaire de telle manière que ladite bobine entoure ladite conduite ;
- des moyens pour recueillir le signal électrique créé dans ladite deuxième bobine.
- la figure 1 est une vue en élévation d'un équipement de forage par "jet grouting" de type connu ;
- la figure 2 est une vue simplifiée de l'ensemble du train de tiges équipé des moyens de transmission ;
- la figure 3 montre plus en détail les moyens de transmission d'informations montés à la partie supérieure et à la partie inférieure du train de tiges ; et
- la figure 4 montre un exemple de codage de l'information à transmettre.
Claims (9)
- Procédé de transmission d'informations entre l'extrémité inférieure et l'extrémité supérieure d'un train de tiges (20), chaque tige comprenant une paroi conductrice externe (34) et une conduite interne (36) coaxiale en un matériau conducteur pour l'acheminement du liquide sous pression, l'espace annulaire (38) entre ladite conduite et ladite paroi externe étant rempli par un fluide isolant électrique, caractérisé en ce qu'il comporte les étapes suivantes :on dispose une première bobine (40) de couplage inductif à proximité de l'extrémité à fermer du train de tiges dans ledit espace annulaire (38) de telle manière que ladite bobine (40) entoure ladite conduite (36),on applique à ladite bobine (40) un signal électrique représentatif de l'information à transmettre,on dispose une deuxième bobine (46) de couplage inductif à proximité de l'extrémité supérieure du train de tiges (20) dans ledit espace annulaire (38) pour que ladite deuxième bobine (46) entoure ladite conduite (36),on recueille sur ladite deuxième bobine (46) un signal électrique représentatif de l'information transmise.
- Train de tiges de forage (20) équipé de moyens de transmission d'informations, chaque tige comportant une paroi externe conductrice (34), une conduite inteme (36) coaxiale également conductrice pour la circulation d'un liquide sous pression, l'espace annulaire (38) entre la paroi externe (34) et la conduite interne (36) étant rempli d'un fluide isolant, caractérisé en ce que les moyens de transmission d'informations comprennent :une première bobine (40) de couplage inductif disposée à proximité de l'extrémité inférieure dudit train de tiges (20) dans ledit espace annulaire (38) de telle manière que ladite bobine (40) entoure ladite conduite (36);des moyens pour appliquer à ladite bobine un signal électrique représentatif des informations à transmettre ;une deuxième bobine (46) de couplage inductif disposée à proximité de l'extrémité supérieure dudit train de tiges (20) et dans l'espace annulaire (38) de telle manière que ladite bobine (46) entoure ladite conduite (36);des moyens pour recueillir le signal électrique créé dans ladite deuxième bobine.
- Train de tiges selon la revendication 2, caractérisé en ce qu'il comprend en outre à son extrémité inférieure au moins un capteur de mesure (50, 52)
et en ce que lesdits moyens pour appliquer ledit signal électrique comprennent des moyens pour convertir en signal électrique la mesure faite par ledit capteur (50, 52) et des moyens pour faire circuler dans ladite première bobine (40) un signal électrique représentatif de ladite mesure. - Train de tiges selon la revendication 3, caractérisé en ce qu'il comprend en outre à son extrémité inférieure, une batterie ou un accumulateur (54) pour alimenter le ou les capteurs, lesdites bobines de couplage servant également à transmettre de l'énergie électrique pour recharger ladite batterie ou ledit accumulateur (54).
- Train de tiges selon l'une quelconque des revendications 3 et 4, caractérisé en ce que ledit capteur (50, 52) comprend des moyens (56) pour élaborer un signal électrique numérique représentatif de ladite mesure et en ce que les moyens d'application du signal électrique comprennent des moyens pour convertir ledit signal numérique en un signal analogique.
- Train de tiges selon la revendication 5, caractérisé en ce que les moyens (56) de conversion de l'information numérique comprennent des moyens pour élaborer un signal électrique ayant une fréquence et une amplitude données lorsque le signal numérique est dans un premier état et une absence de signal lorsque le signal numérique est dans un deuxième état.
- Train de tiges selon l'une quelconque des revendications 2 à 6, caractérisé en ce que chaque bobine comprend en outre des moyens de commutation pour appliquer un signal électrique à ladite bobine dans un premier état et pour recueillir le signal électrique présent sur la bobine dans un deuxième état.
- Train de tiges selon l'une quelconque des revendications 2 à 6, caractérisé en ce qu'il comprend en outre une troisième bobine de couplage inductif disposée dans ledit espace annulaire (38) à proximité de ladite deuxième bobine (46) et des moyens pour appliquer à ladite troisième bobine un signal électrique représentatif d'une information à transmettre et une quatrième bobine de couplage inductif disposée à proximité de ladite première bobine (40) et équipée de moyens pour recueillir le signal électrique présent sur ladite quatrième bobine.
- Train de tiges selon l'une quelconque des revendications 2 à 8, caractérisé en ce que chaque bobine comprend un tore magnétique entourant ladite conduite interne et un conducteur électrique bobiné sur ledit tore.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0015720 | 2000-12-05 | ||
FR0015720A FR2817588B1 (fr) | 2000-12-05 | 2000-12-05 | Procede de transmission d'informations le long d'un train de tiges de forage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1213440A1 EP1213440A1 (fr) | 2002-06-12 |
EP1213440B1 true EP1213440B1 (fr) | 2004-03-10 |
Family
ID=8857236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01402933A Expired - Lifetime EP1213440B1 (fr) | 2000-12-05 | 2001-11-15 | Procédé de transmission d'informations le long d'un train de tiges de forage |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1213440B1 (fr) |
JP (1) | JP3831237B2 (fr) |
AT (1) | ATE261541T1 (fr) |
DE (1) | DE60102281T2 (fr) |
ES (1) | ES2217100T3 (fr) |
FR (1) | FR2817588B1 (fr) |
HK (1) | HK1045722B (fr) |
SG (1) | SG103324A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2871842B1 (fr) | 2004-06-21 | 2006-08-11 | Giovani Aiello | Train de tiges apte a la transmission a haut debit d'informations dans un puits de forage |
DE102010047568A1 (de) | 2010-04-12 | 2011-12-15 | Peter Jantz | Einrichtung zur Übertragung von Informationen über Bohrgestänge |
JP6374640B2 (ja) * | 2013-03-21 | 2018-08-15 | 鹿島建設株式会社 | 高圧噴射撹拌装置、地中圧力の測定方法 |
JP6535614B2 (ja) * | 2016-02-01 | 2019-06-26 | 株式会社不動テトラ | 地盤改良施工機 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4578675A (en) * | 1982-09-30 | 1986-03-25 | Macleod Laboratories, Inc. | Apparatus and method for logging wells while drilling |
GB2292869B (en) * | 1994-09-03 | 1999-01-06 | Integrated Drilling Serv Ltd | A well data telemetry system |
FR2777595B1 (fr) | 1998-04-17 | 2000-07-13 | Sol Comp Du | Installation de transmission d'informations dans une excavation de forage |
FR2777594B1 (fr) | 1998-04-17 | 2000-07-13 | Sol Comp Du | Installation de transmission d'informations dans un puits de forage |
GB2338253B (en) * | 1998-06-12 | 2000-08-16 | Schlumberger Ltd | Power and signal transmission using insulated conduit for permanent downhole installations |
US6392561B1 (en) * | 1998-12-18 | 2002-05-21 | Dresser Industries, Inc. | Short hop telemetry system and method |
-
2000
- 2000-12-05 FR FR0015720A patent/FR2817588B1/fr not_active Expired - Fee Related
-
2001
- 2001-11-15 EP EP01402933A patent/EP1213440B1/fr not_active Expired - Lifetime
- 2001-11-15 ES ES01402933T patent/ES2217100T3/es not_active Expired - Lifetime
- 2001-11-15 DE DE60102281T patent/DE60102281T2/de not_active Expired - Lifetime
- 2001-11-15 AT AT01402933T patent/ATE261541T1/de not_active IP Right Cessation
- 2001-11-23 SG SG200107291A patent/SG103324A1/en unknown
- 2001-12-05 JP JP2001371014A patent/JP3831237B2/ja not_active Expired - Fee Related
-
2002
- 2002-09-25 HK HK02106986.1A patent/HK1045722B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HK1045722A1 (en) | 2002-12-06 |
FR2817588A1 (fr) | 2002-06-07 |
EP1213440A1 (fr) | 2002-06-12 |
HK1045722B (zh) | 2004-09-10 |
DE60102281D1 (de) | 2004-04-15 |
ES2217100T3 (es) | 2004-11-01 |
SG103324A1 (en) | 2004-04-29 |
JP2002250030A (ja) | 2002-09-06 |
JP3831237B2 (ja) | 2006-10-11 |
ATE261541T1 (de) | 2004-03-15 |
FR2817588B1 (fr) | 2003-02-28 |
DE60102281T2 (de) | 2005-02-24 |
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