EP2495389B1 - Bohrgestänge - Google Patents

Bohrgestänge Download PDF

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Publication number
EP2495389B1
EP2495389B1 EP11001832.2A EP11001832A EP2495389B1 EP 2495389 B1 EP2495389 B1 EP 2495389B1 EP 11001832 A EP11001832 A EP 11001832A EP 2495389 B1 EP2495389 B1 EP 2495389B1
Authority
EP
European Patent Office
Prior art keywords
induction coil
drill rod
rod
mounting sleeve
pipe
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.)
Active
Application number
EP11001832.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2495389A1 (de
Inventor
Andreas Stimpfle-Ziegler
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.)
Bauer Maschinen GmbH
Original Assignee
Bauer Maschinen GmbH
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
Application filed by Bauer Maschinen GmbH filed Critical Bauer Maschinen GmbH
Priority to ES11001832.2T priority Critical patent/ES2470769T3/es
Priority to EP11001832.2A priority patent/EP2495389B1/de
Priority to CA2766797A priority patent/CA2766797C/en
Priority to RU2012103758/03A priority patent/RU2507395C2/ru
Priority to JP2012041106A priority patent/JP5226885B2/ja
Priority to KR1020120021735A priority patent/KR101388184B1/ko
Priority to BR102012004818-3A priority patent/BR102012004818B1/pt
Priority to CN201210052955.2A priority patent/CN102654034B/zh
Priority to US13/412,424 priority patent/US8794314B2/en
Publication of EP2495389A1 publication Critical patent/EP2495389A1/de
Priority to HK12110285.9A priority patent/HK1169692A1/xx
Application granted granted Critical
Publication of EP2495389B1 publication Critical patent/EP2495389B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded
    • E21B17/043—Threaded with locking 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/028—Electrical or electro-magnetic connections
    • 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
    • E21B17/02—Couplings; joints
    • 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
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod 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
    • 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 a drill pipe with at least two linkage elements, which are connected to each other in a rotationally and detachably connected manner, according to the preamble of claim 1.
  • the linkage elements of the drill string each have an inner tube and an outer tube, between which an annular receiving space is formed. Furthermore, the linkage elements each have an energy and / or data line which extends along a longitudinal axis of the drill string.
  • the energy and / or data lines of the linkage elements are each connected to an induction coil, wherein for energy and / or data transmission along the drill string, the induction coils are inductively coupled to each other.
  • the drill pipe may be a drill pipe of an earth borer for drilling holes in the ground.
  • Such holes are created, for example, for the purpose of ground improvement or for the creation of bored piles or sealing walls.
  • the drill pipe are usually made of several parts of a plurality of linkage elements.
  • the individual linkage elements each have at their ends connecting means for mechanical connection to an adjacent linkage element.
  • a first end of a linkage element has a male terminal region and a second end opposite the first end has a female terminal region.
  • Such data may include, for example, pressure or temperature values, angles of inclination or salinity in the wellbore.
  • data may include, for example, pressure or temperature values, angles of inclination or salinity in the wellbore.
  • energy and / or data lines can be transmitted via the information along the drill string.
  • induction coils For connecting lines within a drill string, it is also known to provide induction coils at the axial ends of the linkage elements, via which the lines can be inductively coupled.
  • Examples of such a front-side inductive coupling, although not in a double tube, are in the US 2002/0193004 A1 and the US 2010/0175890 A1 disclosed.
  • the induction coils are arranged directly on the axial connection areas of the linkage elements.
  • a drill pipe with radially overlapping induction coils for an inductive coupling is known from GB 2 375 779 A known.
  • annular coils are provided in tubular inserts.
  • the invention has for its object to provide a compact and easy to retrofit connection for energy and / or data lines in a drill string of linkage elements with inner and outer tube.
  • the drill pipe according to the invention is characterized in that a first linkage member on an outer periphery of its inner tube, an inner induction coil and a second linkage member on an inner periphery of its outer tube has an outer induction coil and that the induction coils are constructed like a segment of several ring segment parts and overlap at least partially in the radial direction.
  • the drill string can basically be used in any drilling method and any drilling devices.
  • the inner tube of the drill string which can also be referred to as a double rod, can be used for example as a so-called flushing tube. Drilling in the ground is often carried out flushing, that is, it is a rinsing liquid introduced through the drill pipe into the ground, which emerges from the borehole at the bottom of the hole and backwash the detached cuttings.
  • the inner tube thus serves to introduce the rinsing fluid into the wellbore.
  • Another function of the inner tube may also be the introduction of a curable suspension.
  • a curable suspension For example, concrete can be introduced into the borehole after boring while pulling the drill string over the inner pipe.
  • the inner tube can therefore also be referred to as Betonierrohr.
  • a first basic idea of the invention is not to provide the induction coils which are in operative connection with one another on one and the same tube, ie not on the inner tube or on the outer tube, but to arrange a first induction coil on the inner tube and a second induction coil on the outer tube of the respective linkage element.
  • the induction coils are thus according to the invention between the inner rod and the outer rod. In this way, the end faces of the linkage elements or the connecting portions of the linkage elements can be kept free, so that conventional connector systems can continue to be used.
  • the inventive arrangement of the induction coils thus offers a possibility to retrofit existing drill pipe or linkage elements simply, wherein existing connector systems, in particular the outer tubes, can continue to be used.
  • the induction coils which are in operative connection with one another are arranged in such a way that they overlap in the radial direction when the linkage elements are connected to one another, that is to say they are arranged radially at least in some regions.
  • the radial arrangement The induction coils to each other also contributes to improved retrofitting, since the axial end faces of the rod elements can remain free.
  • the induction coils are constructed according to the invention of several segments. This is to be understood in particular that the induction coils are not constructed in one piece, but from several parts. The individual parts or segments form ring segments of the annular coils.
  • connection region is understood in particular to be that section of the outer tube and / or of the inner tube which serves for the rotationally fixed and axially fixed connection of the corresponding tubes to one another.
  • a connection region may comprise, for example, a thread, one or more grooves, detents or other connector systems.
  • the induction coils are preferably arranged axially and / or radially spaced from the connecting areas or connecting surfaces of the linkage elements.
  • the induction coils is arranged in an annular receiving groove.
  • the receiving groove may in particular be an outer groove on the outer circumference of the inner tube or an inner groove on the inner circumference of the outer tube.
  • the inner induction coil is arranged in an outer groove of the inner tube of the first linkage element and / or the outer induction coil in an inner groove of the outer tube of the second linkage element. Due to the split, constructed of several ring segment parts induction coils they can be particularly easily inserted into the corresponding grooves.
  • a releasable connection is understood in particular as meaning a connection which is loosened with tools or by hand and, in particular, by a reversal of the solution process, again can be restored.
  • the connected elements are not substantially damaged in their solution from each other.
  • a detachable connection can be, for example, a screw, plug or latching connection.
  • a further preferred embodiment with regard to the induction coils is given by the fact that at least two ring segment parts are mutually movable. In this way, the shape of the induction coil can be changed, which further simplifies the insertion of the coil in a groove. It is particularly preferred that at least two ring segment parts are rotatably connected to each other.
  • the rotary joint whose axis of rotation can extend in particular parallel to a longitudinal axis of the induction coil, a further simplification of the insertion of the coil is achieved in the corresponding linkage member in an advantageous manner.
  • the inner tube of the first linkage element has a plug-shaped or sleeve-shaped connection region for connection to a further inner tube and that the inner induction coil is arranged axially spaced from the plug-shaped or sleeve-shaped connection region.
  • the connection area is available without interference from the induction coil for the connection of the inner tube of an adjacent linkage element.
  • the inner tube may in particular have a receiving groove, which is provided axially spaced from the connection region and in which the induction coil is arranged.
  • the outer induction coil is arranged within a plug-shaped connection part of the outer tube of the second linkage element.
  • the outer induction coil is thus preferably positioned in composite linkage members so that it is located radially within a male connection part of the outer tube of the second linkage member.
  • connection part of the outer tube By the arrangement of the outer induction coil radially within a connection part of the outer tube, the connecting part is completely available for the provision of mechanical stability. This is also the case in particular because the connection region of a plug-shaped connection part is usually located on the outer circumference of the connection part and thus can be completely kept free of the induction coil.
  • the arrangement of the coil inside the connection part also makes it possible to reuse already existing plug-shaped connection parts when retrofitted with induction coils largely unchanged.
  • a linkage element can be retrofitted simply by arranging an induction coil on the plug-shaped connection part of its outer tube on its inner circumference.
  • At least one of the linkage elements comprises an adapter or mounting sleeve on which the inner induction coil and / or the outer induction coil is mounted.
  • the mounting sleeve thus at least partially forms a portion of the inner tube of the first linkage member and / or a portion of the outer tube of the second linkage member.
  • the mounting sleeve is a separate from the rod member part which is in particular fixed, preferably axially fixed and rotationally fixed, connected to the rod element.
  • the inserted mounting sleeve is therefore preferably not movable relative to the linkage element.
  • the mounting sleeve is welded, pressed or screwed to a tube main body of the inner tube and / or the outer tube.
  • this is preferably releasably inserted into the rod element. It is particularly preferred if the mounting sleeve can be inserted in the longitudinal direction in the rod element.
  • the first linkage element preferably has a first mounting sleeve and the second linkage element has a second mounting sleeve.
  • the mounting sleeves are mechanically coupled together in a preferred embodiment.
  • the mounting sleeve is preferably designed for insertion into a tube main body or a connection region of the outer tube.
  • the mounting sleeve for the outer induction coil can thus be used in principle without a special adaptation of the torque and axial forces transmitting outer tube in this.
  • the mounting sleeve may be advantageous to arrange the mounting sleeve on the outer circumference of a pipe main body of the inner tube. Since lower forces are usually transmitted via the inner tube than via the outer tube, it may also be advantageous for a particularly compact arrangement to arrange the mounting sleeve for the inner induction coil in the axial extension of the tube main body of the inner tube.
  • the mounting sleeve comprises a receiving area for the inner induction coil and / or the outer induction coil.
  • a receiving area for the inner induction coil and / or the outer induction coil for example, an inner groove and / or an outer groove may be provided on the mounting sleeve.
  • the mounting sleeve has a tubular portion which is arranged in the axial extension of a tube main body of the inner tube of the first linkage member. It is also possible to provide the mounting sleeve in addition to an existing axial end portion of the inner tube. An existing linkage element can thus be retrofitted particularly simply by replacing or supplementing an axial end of its inner tube with the inner sleeve with the induction coil.
  • a further preferred embodiment is that the mounting sleeve is inserted into a connection part of the outer tube.
  • This provides an easy way to retrofit a linkage element, wherein the connection part of its outer tube, over which possibly significant forces are transmitted, can remain largely unchanged.
  • the mounting sleeve preferably has a cable channel.
  • the cable channel may comprise a passage opening for the power and / or data line, via which the line from the inner and / or outer induction coil into the annular space between the inner tube and is guided to the outer tube.
  • the cable channel extends in the longitudinal direction of the rod element or the drill string.
  • a good ease of maintenance of the drill string is achieved in that the outer tube of the first linkage member and / or the second linkage member has an openable lid for access to the power and / or data line.
  • Figures 1 and 2 show an embodiment of a linkage element 10 of a drill string 1 according to the invention, which has a first connection area at a first axial end 12 and a second connection area at a second axial end 13. At the two connection areas can each have another Linkage element to be connected.
  • a plurality of linkage elements which may be constructed substantially the same, a drill pipe of basically any length can be formed.
  • a longitudinal axis of the drill string is identified by the reference numeral 14.
  • Fig. 3 shows a section of the upper axial end of the rod member 10 in a perspective view.
  • Fig. 4 the lower axial end of the linkage element 10 is shown in a perspective view.
  • linkage element 10 which may be part of the drill string according to the invention, is described below with reference to the FIGS. 1 to 4 described.
  • the linkage element 10 has an inner tube 20 and a coaxially arranged outer tube 40 for this purpose.
  • Inner tube 20 and outer tube 40 are rotatably connected to each other, that is, there is essentially no relative rotational movement between inner tube 20 and outer tube 40 is possible.
  • annular receiving space 16 is formed, in which at least one cable 17 is arranged, which in the Figures 1 and 2 only schematically indicated.
  • the annular space between inner tube 20 and outer tube 40 or a portion thereof can thus also be referred to as a cable reservoir.
  • the outer tube 40 has a cover 18 for opening the cable reservoir or the receiving space 16. This provides easy access to the cable reservoir or the receiving space 16.
  • a channel 15 for or possibly the cable 17 is formed.
  • the inner tube 20 includes a tube body 22 which extends over the substantial part of the length of the linkage member 10.
  • the tube body 22 is tubular with substantially constant wall thickness.
  • a first intermediate piece 24 is provided, which forms a part of the inner tube 20.
  • the first intermediate piece equally constitutes a part of the outer tube 40.
  • an axial channel 28 is provided for the passage of the cable 17.
  • a second intermediate piece 26 is provided at a second, upper end of the inner tube 20 .
  • the second intermediate piece 26 is disposed within the outer tube 40 and fixedly connected thereto.
  • the intermediate piece 26 is pressed into the outer tube 40 and / or welded thereto.
  • First intermediate piece 24 and second intermediate piece 26 are used to couple mounting sleeves 60, 80.
  • the intermediate pieces 24, 26 can therefore also be referred to as coupling pieces.
  • the outer tube 40 includes a tubular tube body 41 which extends along a substantial portion of the length of the outer tube 40. At the two axial ends of the outer tube 40, a respective connecting part 42 is provided for connection to an adjacent outer tube. That in the Figures 1 and 2 lower end of the outer tube 40 includes a receiving socket 44, which may also be referred to as a female connector part.
  • the receiving socket 44 comprises in the illustrated embodiment, a first socket part 45 and a second socket part 46, which are fixedly connected to each other, in particular welded, are.
  • axial ribs 47 and axial grooves 48 are provided to produce a rotationally fixed connection with an adjacent outer tube.
  • the receiving bushing 44 comprises a circumferential groove 49 for producing an axially fixed connection with an adjacent outer tube.
  • the circumferential groove 49 is provided as an internal groove in the receiving socket 44.
  • an access opening 50 is provided, via which a securing element, in particular a link chain 57 for axial securing can be introduced with an adjacent outer tube.
  • the outer tube 40 on a plug part 52 which may also be referred to as a male connector.
  • the plug part 52 comprises axial ribs 53 and axial grooves 54, which correspond to the axial ribs 47 and axial grooves 48 of the receiving bushing 44.
  • the plug part 52 has a circumferential groove 49 corresponding circumferential groove 55 which is formed as an outer groove on the plug part 52.
  • a link chain 57 is inserted into the circumferential grooves 49, 55.
  • a first mounting sleeve 60 is provided to receive a first induction coil, which may also be referred to as an inner induction coil 100.
  • the first mounting sleeve 60 includes a tubular portion 61 which forms part of the inner tube 20. Furthermore, the first mounting sleeve 60 comprises a support ring 62 for supporting on the outer tube 40. At an axial end portion of the tubular portion 61, a connection portion 64 is provided for coupling with the inner tube of an adjacent linkage member. In the illustrated embodiment, the terminal portion 64 is formed as a female terminal portion.
  • a radial receiving groove 66 is formed on the first mounting sleeve 60, in particular on its tubular portion 61.
  • the receiving groove 66 is located on an outer periphery of the tubular portion 61 and thus may be referred to as an outer groove.
  • an engagement groove or opening 67 for facilitating removal of the inner induction coil 100 is formed, as well as the FIGS. 4 . 9 and 10 can be seen.
  • a cable channel 76 is formed for the passage of a cable.
  • the first mounting sleeve 60 comprises a connection region 68 for connection to the tube main body 22 of the inner tube 20 or the first intermediate piece 24 or generally to a coupling piece of the inner tube 20.
  • the linkage element 10 has at its in the Figures 1 and 2 axial end 13 shown above, a second mounting sleeve 80, which is designed to receive an outer induction coil 110.
  • the second mounting sleeve 80 includes a tubular portion 81 which forms part of the inner tube 20.
  • the tubular section 81 has a connection region 84, which can also be referred to as a male connection region.
  • the connection region 84 is formed corresponding to the connection region 64 of the first mounting sleeve 60.
  • connection region 88 for connecting the second assembly sleeve 80 to the pipe main body 22 of the inner tube 20 and the second intermediate piece 26 or generally a coupling piece of the inner tube 20 is provided.
  • the second mounting sleeve 80 further comprises a sleeve body 82, which is provided for abutment against an inner periphery of a portion of the outer tube 40, in particular to its connection part 42 and / or its tube body 41.
  • the sleeve body 82 has on its inner circumference a radial receiving groove 86 for the outer induction coil 110.
  • the receiving groove 86 may also be referred to as an inner groove and extends annularly in the circumferential direction along an inner circumferential surface of the sleeve body 82.
  • a cable channel 96 is provided for the passage of a cable.
  • the cover 18 for the cable reservoir is preferably arranged at an axial end of the tube main body 41 of the outer tube 40, in particular adjacent to the first and / or second intermediate piece 24, 26.
  • a drill pipe according to the invention can be produced by stringing a plurality of linkage elements 10, 11 together.
  • a first linkage element 10 may be provided, which has the features which, in connection with the lower axial end of the in the Figures 1 and 2 described linkage element are described.
  • a second linkage member 11 may be provided having the features described in connection with the upper axial end of the linkage member.
  • the Figures 1 and 2 also be understood that in the respective lower region, a first linkage element 10 and in the respective upper region, a second linkage element 11 is shown.
  • the linkage elements 10, 11 can be coupled together.
  • the in connection with the FIGS. 5 to 23 may optionally refer to a first linkage member 10 or a second linkage member 11.
  • FIGS. 5 to 10 show further details of an inner induction coil 100 and a first mounting sleeve 60 or a part thereof.
  • the first mounting sleeve 60 serves in particular for receiving an inner induction coil 100 Fig. 7 can be seen, the induction coil 100 more, in the present case three, ring segment parts 102.
  • the induction coil 100 has between two ring segment parts 102 an opening portion 109 or slot on which the Spool for insertion into the intended receiving groove 66 can be pulled apart. The thus divided induction coil 100 can be easily inserted into the radial receiving groove 66.
  • fixing devices 70 are provided on the receiving groove 66, which in the present case are designed, for example, as recesses in the groove surface.
  • the induction coil 100 has corresponding fixing devices 108, which in the present case are designed as pins on the inner surface of the coil.
  • FIGS. 11 to 14 show on the basis of an exemplary embodiment, further details of an inner induction coil 100.
  • the individual ring segment parts 102 are connected via connectors 104 together.
  • the connectors 104 may also form part of a bobbin or the turns of the bobbin.
  • a cover 105 is provided, which covers the connectors 104.
  • an inner induction coil 100 At least some of the ring segment parts 102 are rotatably connected to each other via pivot joints 106. Rotary axes of the rotary joints 106 extend along a longitudinal axis of the induction coil 100.
  • an electrical connection device or connection line 107 is provided on one of the ring segment parts 102. This is preferably located in or near the opening region 109 of the inner induction coil 100.
  • the connection line 107 is preferably arranged on an end face of the induction coil 100.
  • FIGS. 15 to 17 show a second mounting sleeve 80 and an outer induction coil 110.
  • the second mounting sleeve 80 is used in particular for receiving an outer induction coil 110.
  • the outer induction coil 110 is constructed substantially corresponding to the inner induction coil 100 and has a larger compared in comparison to this, so that the outer induction coil 110 can be arranged around the inner induction coil 100 around.
  • FIGS. 18 to 21 show another exemplary embodiment of an outer induction coil 110.
  • the outer induction coil 110 substantially corresponds to the inner induction coil 100 and is also constructed of a plurality of ring segment parts 112 which are interconnected via connectors 114. Between two ring segment parts 112, an opening portion 119 or slot is formed, on which the coil for insertion into the intended receiving groove 86 can be contracted. The thus divided induction coil 110 can be easily inserted into the radial receiving groove 86.
  • FIG Fig. 23 Further details of an outer induction coil 110 are shown in FIG Fig. 23 shown.
  • some of the ring segment parts 112 are rotatably connected to one another via pivot joints 116, the axes of rotation of the pivot joints 116 running along a longitudinal axis of the induction coil 110.
  • a cover 115 is provided, which covers the connector 114.
  • an electrical connection device or connection line 117 is provided, which is preferably located in or near the opening region 119.
  • the connecting line 117 is preferably arranged on an end face of the induction coil 110.
  • fixing devices 90 are provided on the receiving groove 86, which in the present case are designed, for example, as recesses in the groove surface. Accordingly, the induction coil 110 has corresponding fixing means 118, which are presently designed as pins on the outer surface of the coil. The fixing devices 118 of the induction coil 110 can be brought into engagement with the fixing devices 90 of the second mounting sleeve 80.
  • Both the inner induction coil and the outer induction coil have a bobbin with at least one turn.
  • the one or possibly more turns of the bobbin can basically be arranged arbitrarily.
  • the induction coil 100, 110 may have one or more windings in the circumferential direction.
  • the induction coil 100, 110 may also be formed as a so-called toroidal coil, in which one or more windings are wound around the ring, which may be referred to as a toroidal core.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Earth Drilling (AREA)
  • General Induction Heating (AREA)
EP11001832.2A 2011-03-04 2011-03-04 Bohrgestänge Active EP2495389B1 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
ES11001832.2T ES2470769T3 (es) 2011-03-04 2011-03-04 Varillaje de perforación
EP11001832.2A EP2495389B1 (de) 2011-03-04 2011-03-04 Bohrgestänge
CA2766797A CA2766797C (en) 2011-03-04 2012-01-31 Drill rod
RU2012103758/03A RU2507395C2 (ru) 2011-03-04 2012-02-06 Бурильная колонна
JP2012041106A JP5226885B2 (ja) 2011-03-04 2012-02-28 ドリルロッド
BR102012004818-3A BR102012004818B1 (pt) 2011-03-04 2012-03-02 braçagem de perfuração
KR1020120021735A KR101388184B1 (ko) 2011-03-04 2012-03-02 드릴 로드
CN201210052955.2A CN102654034B (zh) 2011-03-04 2012-03-02 钻杆
US13/412,424 US8794314B2 (en) 2011-03-04 2012-03-05 Drill rod
HK12110285.9A HK1169692A1 (en) 2011-03-04 2012-10-17 Drilling rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11001832.2A EP2495389B1 (de) 2011-03-04 2011-03-04 Bohrgestänge

Publications (2)

Publication Number Publication Date
EP2495389A1 EP2495389A1 (de) 2012-09-05
EP2495389B1 true EP2495389B1 (de) 2014-05-07

Family

ID=44202923

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11001832.2A Active EP2495389B1 (de) 2011-03-04 2011-03-04 Bohrgestänge

Country Status (10)

Country Link
US (1) US8794314B2 (ko)
EP (1) EP2495389B1 (ko)
JP (1) JP5226885B2 (ko)
KR (1) KR101388184B1 (ko)
CN (1) CN102654034B (ko)
BR (1) BR102012004818B1 (ko)
CA (1) CA2766797C (ko)
ES (1) ES2470769T3 (ko)
HK (1) HK1169692A1 (ko)
RU (1) RU2507395C2 (ko)

Cited By (1)

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DE102019104273A1 (de) * 2019-02-20 2020-08-20 Bauer Maschinen Gmbh Anordnung und verfahren zur datenübertragung aus einem oder in ein loch im boden

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IES20090407A2 (en) * 2009-05-26 2009-10-28 Espen Alhaug Method and system for transferring signals through a drill pipe system
EP2495389B1 (de) * 2011-03-04 2014-05-07 BAUER Maschinen GmbH Bohrgestänge
CN103343668A (zh) * 2013-07-22 2013-10-09 中国石油大学(华东) 有线电缆传输钻杆接头
WO2015192226A1 (en) 2014-06-18 2015-12-23 Evolution Engineering Inc. Measuring while drilling systems, method and apparatus
US10041311B2 (en) 2014-06-18 2018-08-07 Suk Shin In Rod clamping device
WO2015194898A1 (ko) * 2014-06-18 2015-12-23 인석신 로드 클램핑장치
DE102018006717A1 (de) * 2018-08-22 2020-02-27 Alfred Brandstaetter Rund-rohr-riegel-system

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RU2507395C2 (ru) 2014-02-20
EP2495389A1 (de) 2012-09-05
BR102012004818A2 (pt) 2014-02-11
BR102012004818B1 (pt) 2020-12-29
ES2470769T3 (es) 2014-06-24
KR20120100798A (ko) 2012-09-12
CA2766797A1 (en) 2012-09-04
CN102654034B (zh) 2015-07-15
CA2766797C (en) 2014-08-26
US8794314B2 (en) 2014-08-05
CN102654034A (zh) 2012-09-05
KR101388184B1 (ko) 2014-04-23
RU2012103758A (ru) 2013-08-20
US20120222858A1 (en) 2012-09-06
JP2012184648A (ja) 2012-09-27
HK1169692A1 (en) 2013-02-01

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