EP3891359A1 - Anordnung und verfahren zur datenübertragung aus einem oder in ein loch im boden - Google Patents
Anordnung und verfahren zur datenübertragung aus einem oder in ein loch im bodenInfo
- Publication number
- EP3891359A1 EP3891359A1 EP20700703.0A EP20700703A EP3891359A1 EP 3891359 A1 EP3891359 A1 EP 3891359A1 EP 20700703 A EP20700703 A EP 20700703A EP 3891359 A1 EP3891359 A1 EP 3891359A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hole
- transmitting
- receiving unit
- arrangement according
- frequency signal
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 18
- 238000005553 drilling Methods 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 13
- 239000002689 soil Substances 0.000 claims description 10
- 238000003801 milling Methods 0.000 claims description 9
- 238000003754 machining Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 description 7
- 230000006698 induction Effects 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000009969 flowable effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003971 tillage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- 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 invention relates to an arrangement for data transmission from or into a hole in the ground, in particular a borehole or a milling slot, a machining device and / or a structural element being arranged along the hole, which are formed with an electrically conductive body and are connected to a extend the upper portion out of the hole, according to the preamble of claim 1.
- the invention relates to a method for data transmission from or into a hole in the ground, a processing device and / or a structural element being arranged in the hole, which are formed with an electrically conductive body and extend out of the hole with an upper section extend, according to the preamble of claim 10.
- Such data can include, for example, pressure or temperature values, angles of inclination, salt content in the borehole or operating data of a drilling tool in the borehole.
- data can also be advantageous or necessary to pass data, for example control or operating parameters, to the bottom of the borehole, for example to a drilling tool.
- a data line in a drill string via which data can be transmitted along the drill string.
- an auger drilling device with two rods is known, each of which comprises an outer tube and an inner tube.
- a cable is routed between the inner pipe and the outer pipe in each rod section.
- the cables To the To form the continuous drill string, the cables must be connected to one another using plug connections. Plug connections of this type are susceptible to malfunctions and damage, especially in rough drilling operations.
- a drill rod with at least two rod elements is known, with induction coils constructed in segments on the end faces of the rod elements, with which data transmission is made possible without a plug connection between the rod elements.
- the two induction coil devices arranged at the end on a linkage element are each connected to one another via a cable along the linkage element.
- a wireless data transmission by radio from a hole in the ground is practically hardly possible, since a borehole or a milling slot, for example, is usually filled with a drilling or support suspension or a settable suspension, through which the propagation of electromagnetic waves is significantly impeded and even at relatively short distances of just a few meters becomes practically impossible.
- the invention is based on the object of specifying an arrangement and a method with which data transmission from or into a hole in the ground is made possible in a particularly simple and at the same time reliable manner, it also being possible for the hole to be provided with a filler material.
- the inventive arrangement is characterized in that a first transmitting and / or receiving unit is arranged in the hole that outside of the Hole a second transmitting and / or receiving unit is arranged and that the transmitting and / or receiving units are designed to send or receive a high-frequency signal which is transmitted through the electrically conductive body of the machining device and / or the structural element. It is also possible to connect several transmitter and receiver units in series within the borehole, as well as bridging certain non-conductive points with a cable.
- the invention is based on the knowledge that high-frequency signals can be transmitted through an electrically conductive body, even if it has a multi-part and complex structure.
- parts of the electrically conductive body, in particular the respective end regions function as an antenna which can emit, that is, send or receive the signals.
- multi-part bodies such. B. telescopic Kelly bars, the signal is surprisingly transmitted from one end of the body to the other end when the individual parts only an undefined or during operation - z. B. due to play at the transition points - len at alternating Stel or have no direct electrically conductive contact with each other.
- the high-frequency signal can therefore be transmitted partly with contact or body in the conductive body and partly without contact or body through spaces between electrically conductive bodies, such as a radio signal, without any special Transmitting or receiving antennas would be necessary.
- the filling material is preferably liquid or flowable and can in particular be a drilling or support suspension or a setting mass, which, for example, water, bentonite, cement and / or other mineral or Has chemical constituents, such as those used in civil engineering to form drilling piles or diaphragm walls.
- a further basic idea of the invention is based on the fact that a processing device for creating the hole in the ground or a structural element, such as a so-called piping of the hole to be created or a component which is inserted into the hole in the ground as a reinforcement, for example represents suitable electrically conductive body for signal transmission.
- a first transmitting and / or receiving unit can be arranged in the hole and outside the hole laterally offset to the opening of the same a second transmitting and / or receiving unit, which are designed to send or receive a suitable high-frequency signal .
- only one transmitting unit can be arranged in the hole, for example, while only one receiving unit is arranged outside the hole.
- certain data such as B. the temperature profile of a hardening filling compound such as concrete is recorded and introduced via the transmitter unit into an electrically conductive reinforcement body, which conducts the signal upwards and emits it on the surface.
- the signal is recorded by means of a receiving unit and stored in a memory.
- This z. B. the Aushär teverlauf a foundation pile built in the ground or a diaphragm wall do be documented.
- the arrangement according to the invention allows the installation of expensive and sensitive data lines, for example in soil cultivation equipment or in armouring conditions, as well as plug connections, slip rings or induction couplings required for multi-part drill strings. This not only simplifies the construction of the corresponding facilities, but also considerably reduces maintenance costs and facilitates data communication in and out of a hole in the floor.
- the first transmitting and / or receiving unit can be provided at any point within the hole, for example also at a certain distance from the electrically conductive body, which is in particular metallic or provided with a conductive coating.
- the first transmitting and / or receiving unit is attached to the processing device or the structural element on a lower section.
- the transmitting and receiving unit can be attached directly to a drilling tool.
- the second transmitting and / or receiving unit can in principle be attached directly to the electrically conductive body.
- an advantageous variant of the invention consists in that the second transmitting and / or receiving unit outside the hole is at a distance from the upper section and that the upper section is designed as an antenna for radiating or receiving the high-frequency signal.
- the upper section can serve as an antenna for emitting or receiving the high frequency signal with a corresponding design.
- the second transmitting and / or receiving unit which is provided with a corresponding antenna, is electrically spaced Conductive body, in particular the processing device, for example on the carrier device of a construction machine or in another suitable position.
- Conductive body in particular the processing device, for example on the carrier device of a construction machine or in another suitable position.
- a particularly good function as an antenna is achieved in that an upper section of the electrically conductive body protrudes from the hole.
- the upper section preferably has a rod-shaped element.
- high-frequency signals in a relatively wide frequency range are suitable for use in the arrangement according to the invention.
- the high frequency signal has a frequency between 750 MHz and 950 MHz, in particular between 840 MHz and 880 MHz.
- particularly good results were obtained at a frequency of 868 MHz with a bandwidth of 125 KHz.
- the frequency of 750 MHz corresponds to approx. 20 cm, and correspondingly shorter at higher frequencies.
- the data transmission by means of the high-frequency signal takes place in a known manner, in particular by modulating the high-frequency carrier frequency.
- At least one measuring device is provided in the hole, which outputs measured values at least once, but preferably continuously or discontinuously, which are passed to the first transmitting unit or transmitting and receiving unit in the hole.
- the measuring device can be designed to measure a wide variety of state values, in particular pressure, temperature, angle of inclination, salt content, etc.
- the measured values are determined by a well-known device, such as a module. lation device, transmitted to the high-frequency signal so that it can be emitted with the transmitting unit or the transmitting and receiving unit.
- the processing device is preferably a soil cultivation device. It is particularly advantageous that the processing device is a drilling tool with a drill rod or a milling tool with a guide rod.
- the first transmitting and / or receiving unit can be arranged at a suitable position on an electrically conductive body of the drilling tool or the milling tool, where it couples the signal. From there, the high-frequency signal can propagate through the boring bar, which can also be a telescopic Kelly bar, or the guide bar upwards. Conversely, a high-frequency signal from the second transmitting and / or receiving unit outside the hole can be down to the machining device be directed.
- the arrangement can be used in a variety of ways. According to a development of the invention, it is particularly advantageous that it is designed as a Bodenbearbei processing device, in particular as a drilling device or a trench wall cutter, which is provided with a carrier device on which the drilling tool with the drill rod or the milling tool is vertically adjustable, in particular special with a guide rod or a steel cable.
- the second transmitting and / or receiving unit is advantageously arranged on the carrier device with an operating station.
- the drill rod or the guide rod can in particular be a telescopic Kelly bar.
- the structural element provided for the invention can also be designed in many ways. It is particularly preferred that the structural element has a reinforcement, in particular a reinforcement cage, a steel girder, a pipe, in particular a drilling or support pipe, a pile, a rod or a steel cable. The prerequisite is that the structural element has an electrically conductive body, in particular a metallic body, particularly preferably a steel body, which extends upwards out of the filling into the atmosphere along the hole.
- the method according to the invention is characterized in that a first transmitting and / or receiving unit is arranged in the hole, that a second transmitting and / or receiving unit is arranged outside the hole and that the transmitting and / or receiving units are designed as a high-frequency signal to send or receive, which is transmitted through the electrically conductive body of the machining device or the structural element and is radiated from.
- the method according to the invention can be carried out in particular with the arrangement according to the invention described above.
- the advantages described above can be achieved with the method.
- a battery or a rechargeable battery is preferably provided.
- an energy generation device can be provided on the first transmitting and / or receiving unit, which device generates energy from the ambient temperature or from a movement of the processing device.
- Well-known devices for so-called energy harvesting can be used.
- the invention is described further below with reference to a preferred exemplary embodiment which is shown schematically in the drawing.
- the drawing shows, in a highly schematic manner, an arrangement according to the invention in a cross-sectional view.
- the single figure shows an arrangement 10 according to the invention for data transmission, which is designed as a soil cultivation device 50, in particular a drill, with a schematically indicated carrier device 52.
- a hole 6 is created in a soil 4 by means of a processing device 20, which is filled for support with a flowable filler material 8 already when creating.
- the machining device 20 has a drilling tool 25 for removing soil material and a drilling rod 26, which extends from the lower drilling tool upwards out of the ge filled hole 6 extends out into the open atmosphere.
- the drilling tool 25 and the drilling rod 26 form a multi-part metallic body 22 within the meaning of the invention.
- a measuring device 28 is arranged, which is formed, for example, for detecting a temperature or a pressure in the region of a sole 7. Furthermore, according to the invention, a first transmitting and / or receiving unit 30 is attached to the lower section 23 in direct contact with the metallic base body 22.
- the measuring device 28 is connected wirelessly or wired to the first transmitting and / or receiving unit 30, so that continuously or discontinuously recorded measured values can be passed from the measuring device 28 to the first transmitting and / or receiving unit 30.
- the first transmitting and / or receiving unit 30 is designed to transmit a high-frequency signal, which preferably has a frequency of 868 MHz.
- the high-frequency signal which is provided with the measured value data by appropriate modulation, is passed from the lower section 23 along the metallic body 22 to the upper section 24 protruding from the hole 6.
- an electrically conductive body 22 even if it is constructed in several parts, represents a protruding conductor for a high-frequency signal in a filled hole in the floor.
- the upper section 24 of the metallic base body 22, which protrudes from the filled hole 6, serves as an antenna.
- the upper section 24 thus emits the high-frequency signal, which was generated by the first transmitting and / or receiving unit 30, into the atmosphere.
- a second transmitting and / or receiving unit 40 is arranged on the carrier device 52 of the soil cultivation device 50.
- the high-frequency signal is transmitted through the air gap via a schematically indicated radio link F and received by the second transmitting and / or receiving unit.
- the received high-frequency signal can then in a basically known manner by a control unit (not shown) unit of the tillage device 50 evaluated and z. B. can be used for documentation or to control operations.
- a high-frequency signal can also be emitted from the carrier device 52 via the second transmitting and / or receiving unit 40 by means of an antenna (not shown) to the upper section 24 of the metallic body 22 of the processing device 20 and from there to the first transmitting and receiving unit / or Receiving unit 30 are passed through the metallic body 22 at the lower section 23.
- bidirectional data communication is also possible between the lower drilling tool 25 on the bottom 7 of the hole 6 and the carrier device 52 located on the surface.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mining & Mineral Resources (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Earth Drilling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019104273.9A DE102019104273A1 (de) | 2019-02-20 | 2019-02-20 | Anordnung und verfahren zur datenübertragung aus einem oder in ein loch im boden |
PCT/EP2020/050701 WO2020169267A1 (de) | 2019-02-20 | 2020-01-13 | Anordnung und verfahren zur datenübertragung aus einem oder in ein loch im boden |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3891359A1 true EP3891359A1 (de) | 2021-10-13 |
Family
ID=69165394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20700703.0A Pending EP3891359A1 (de) | 2019-02-20 | 2020-01-13 | Anordnung und verfahren zur datenübertragung aus einem oder in ein loch im boden |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3891359A1 (de) |
DE (1) | DE102019104273A1 (de) |
WO (1) | WO2020169267A1 (de) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29914494U1 (de) * | 1999-08-18 | 1999-10-07 | Bauer Spezialtiefbau | Kabelverbindung zwischen zwei Gestängeschüssen eines Schneckenbohrers |
US6641434B2 (en) * | 2001-06-14 | 2003-11-04 | Schlumberger Technology Corporation | Wired pipe joint with current-loop inductive couplers |
US20060033638A1 (en) * | 2004-08-10 | 2006-02-16 | Hall David R | Apparatus for Responding to an Anomalous Change in Downhole Pressure |
US8109329B2 (en) * | 2009-01-15 | 2012-02-07 | Intelliserv, L.L.C. | Split-coil, redundant annular coupler for wired downhole telemetry |
DE102010047568A1 (de) * | 2010-04-12 | 2011-12-15 | Peter Jantz | Einrichtung zur Übertragung von Informationen über Bohrgestänge |
EP2495389B1 (de) * | 2011-03-04 | 2014-05-07 | BAUER Maschinen GmbH | Bohrgestänge |
CA2907743C (en) * | 2013-03-21 | 2018-07-10 | Altan Technologies Inc. | Microwave communication system for downhole drilling |
BR112017016238A2 (pt) * | 2015-03-11 | 2018-03-27 | Halliburton Energy Services Inc | sistema de comunicação, sistema e método |
GB201609289D0 (en) * | 2016-05-26 | 2016-07-13 | Metrol Tech Ltd | Method of pressure testing |
-
2019
- 2019-02-20 DE DE102019104273.9A patent/DE102019104273A1/de active Pending
-
2020
- 2020-01-13 EP EP20700703.0A patent/EP3891359A1/de active Pending
- 2020-01-13 WO PCT/EP2020/050701 patent/WO2020169267A1/de active Search and Examination
Also Published As
Publication number | Publication date |
---|---|
WO2020169267A1 (de) | 2020-08-27 |
DE102019104273A1 (de) | 2020-08-20 |
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