FI126949B - Drilling Tools - Google Patents

Drilling Tools Download PDF

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Publication number
FI126949B
FI126949B FI20155093A FI20155093A FI126949B FI 126949 B FI126949 B FI 126949B FI 20155093 A FI20155093 A FI 20155093A FI 20155093 A FI20155093 A FI 20155093A FI 126949 B FI126949 B FI 126949B
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FI
Finland
Prior art keywords
drill bit
bit assembly
drilling tool
female
tool according
Prior art date
Application number
FI20155093A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20155093A (en
Inventor
Joonas Sokka
Kimmo Ala-Kanto
Antti Leino
Original Assignee
Oy Robit Rocktools Ltd
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 Oy Robit Rocktools Ltd filed Critical Oy Robit Rocktools Ltd
Priority to FI20155093A priority Critical patent/FI126949B/en
Priority to EP16155028.0A priority patent/EP3056657A3/en
Priority to DE202016009079.9U priority patent/DE202016009079U1/en
Publication of FI20155093A publication Critical patent/FI20155093A/en
Application granted granted Critical
Publication of FI126949B publication Critical patent/FI126949B/en

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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
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • 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
    • E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • E21B47/013—Devices specially adapted for supporting measuring instruments on drill bits
    • 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
    • E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • E21B47/017—Protecting measuring instruments

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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)
  • Geophysics (AREA)
  • Mechanical Engineering (AREA)
  • Remote Sensing (AREA)
  • Earth Drilling (AREA)

Description

DRILLING TOOL
Field of the invention
The invention relates to a drilling tool as defined in the preamble of independent claim 1. Publication WO2014/037619 presents a method for surveying drill holes and to a drilling arrangement and to a borehole survey assembly. The method comprises a first providing step for providing a drill tool comprising at least one drill rod and a drill bit assembly, and a second providing step for providing a borehole survey tool comprising sensor means for measuring a borehole. In the method a drill tool comprising a central flushing channel for conducting flushing fluid to the drill bit assembly is used, and the borehole survey tool is arranged in the arranging step in the central flushing channel so that flushing fluid can flow in the central flushing channel past the borehole survey tool.
Objective of the invention
The object of the invention is to provide a drilling tool for percussive drilling having a borehole survey tool in the central flushing channel of the drilling tool so that the drilling tool has only a minimum number of connections between the parts in order to lose as small amount of transmitted impact energy as possible and in order to have a small number of connections between parts of the drilling tool which may become loose during percussive drilling.
Short description of the invention
The drilling tool of the invention is characterized by the definitions of independent claim 1.
Preferred embodiments of the drilling tool are defined in the dependent claims.
List of figures
In the following the invention will described in more detail by referring to the figures, of which
Figure 1 shows a first embodiment of the drilling tool,
Figure 2 shows the drilling tool shown in figure 1 in partly cut view,
Figure 3 shows a second embodiment of the drilling tool,
Figure 4 shows the drilling tool shown in figure 3 in partly cut view,
Figure 5 shows a third embodiment of the drilling tool,
Figure 6 shows the drilling tool shown in figure 5 in partly cut view,
Figure 7 shows a fourth embodiment of the drilling tool,
Figure 8 shows the drilling tool shown in figure 7 in partly cut view,
Figure 9 shows a fifth embodiment of the drilling tool, and Figure 10 shows the drilling tool shown in figure 9 in partly cut view.
Detailed description of the invention
The figures show five embodiments of the drilling tool.
The drilling tool for percussive drilling (hereinafter “drilling tool”) comprises a drill string assembly 1 comprising at least one drill rod (not marked with a reference numeral).
The drilling tool comprises a drill bit assembly 2.
The drilling tool comprises a central flushing channel (not marked with a reference numeral) for conducting flushing fluid to the drill bit assembly 2. The central flushing channel having a first central flushing channel section 3 in the drill bit assembly 2 and a second central flushing channel section (not shown in the drawings) in the drill string assembly 1.
The drilling tool comprises a borehole survey tool 4 in the central flushing channel. The borehole survey tool 4 can be the borehole survey tool 4 presented in publication WO 2014/037619, the content of which is hereby incorporated by reference.
The borehole survey tool 4 is arranged in the first central flushing channel section 3 of the drill bit assembly 2.
The borehole survey tool 4 may be suspended between a first damping means 11 and a second damping means 12 in the first central flushing channel section 3 of the drill bit assembly 2 between a collar 13 in the first central flushing channel 3 of the drill bit assembly 2 and a male section 7a; 7b; of one of the drill string assembly 1, of a drill bit part 14 of the drill bit assembly 2, and of an adapter part 15 of the drill bit assembly 2 so that the first damping means 11 and the second damping means 12 are pre-compressed.
The first central flushing channel section 3 of the drill bit assembly 2 may be formed as an extension of a female section 5a; 5b in one of a drill bit part 14 of the drill bit assembly 2 and an adapter part 15 of the drill bit assembly 2.
In the first embodiment of the drilling tool illustrated in figures 1 and 2, the second embodiment of the drilling tool illustrated in figures 3 and 4, the third embodiment of the drilling tool illustrated in figures 5 and 6, and the fifth embodiment of the drilling tool illustrated in figures 9 and 10, the drill bit assembly 2 has a first female section 5a comprising a first female thread 6a for connection the drill bit assembly 2 to a first male section 7a having a first male thread 8a of the drill string assembly 1.
The first female section 5a of the drill bit assembly 2 may, as shown in figure 4, have a first impact surface 9 abutting a second impact 10 surface at a root of the male thread of the drill string assembly 1.
Alternatively, the first female section 5a of the drill bit assembly 2 may, as is shown in figure 2, have a first impact surface 9 at a bottom of the first female section 5a of the drill bit assembly 2 abutting a second impact surface 10 at an end of the first male section 7a of the drill string assembly 1.
In the second embodiment of the drilling tool shown in figures 3 and 4, the drill bit assembly 2 is in one-piece form so that the drill bit assembly 2 is formed of a drill bit part 14. In this first embodiment of the drilling tool, the borehole survey tool 4 may be suspended in the first central flushing channel section 3 of the drill bit assembly 2 between a first damping means 11 and a second damping means 12, so that the first damping means 11 is pre-compressed between a collar 13 in the in the first central flushing channel section 3 of the drill bit assembly 2 and the borehole survey tool 4, and so that the second damping means 12 is pre-compressed between the first male section 7a of the drill string assembly 1 and the borehole survey tool 4.
In this second embodiment of the drilling tool, the first central flushing channel section 3 of the drill bit assembly 2 may form an extension the first female section 5a of the drill bit part 14 of the drill bit assembly 2.
In the first embodiment of the drilling tool shown in figures 1 and 2, the drill bit assembly 2 is in two-part form so that the drill bit assembly 2 comprising a drill bit part 14 and an adapter part 15. In this first embodiment of the drilling tool, the drill bit part 14 comprises a second male section 7b having a second male thread 8b for connecting the drill bit part 14 to a second female section 5b having a second female thread 6b of the adapter part 15, and the first female section 5a comprising the first female thread 6a is formed in the adapter part 15.
In this first embodiment of the drilling tool, the borehole survey tool 4 may be suspended in the first central flushing channel section 3 of the drill bit assembly 2 between a first damping means 11 and a second damping means 12, so that the first damping means 11 is pre-compressed between the second male section 7b of the drill bit part 14 and the borehole survey tool 4, and so that the second damping means 12 is pre-compressed between a collar 13 of the first central flushing channel section 3 located in the adapter part 15 and the borehole survey tool 4.
In this first embodiment of the drilling tool, the second female section 5b of the adapter part 15 may comprise a third impact surface 16 abutting a fourth impact surface 17 at a root of the second male section 7b of the drill bit part 14.
In this first embodiment of the drilling tool, the first central flushing channel section 3 of the drill bit assembly 2 may form an extension the second female section 5b of the adapter part 15 of the drill bit assembly 2.
The fifth embodiment of the drilling tool illustrated in figures 9 and 10 corresponds to the first embodiment of the drilling tool illustrated in figures 1 and 2 with the exception that the adapter part 15 has the length of a drill rod.
In the third embodiment of the drilling tool shown in figures 5 and 6, the drill bit assembly 2 is in two-part form so that the drill bit assembly 2 comprising a drill bit part 14 and an adapter part 15. In this third embodiment of the drilling tool, the drill bit part 14 comprises a second female section 5b having a second female thread 6b for connecting the drill bit part 14 to a third male section 7c having a third male thread 8c of the adapter part 15, and the first female section 5a comprising the first female thread 6a is formed in the adapter part 15.
In this third embodiment of the drilling tool, the borehole survey tool 4 may be suspended in the first central flushing channel section 3 of the drill bit assembly 2 between a first damping means 11 and a second damping means 12, so that the first damping means 11 is precompressed between a collar 13 in the first central flushing channel section 3 and the borehole survey tool 4, and so that the second damping means 12 is pre-compressed between the third male section 7c of the adapter part 15 and the borehole survey tool 4.
In this third embodiment of the drilling tool, the second female section 5b of the drill bit part 14 may comprise a fourth impact surface 17 abutting a third impact surface 16 at a root of the third male section 7c of the adapter part 15.
In this third embodiment of the drilling tool, the first central flushing channel section 3 of the drill bit assembly 2 may form an extension the second female section 5b of the drill bit assembly 2.
In the fourth embodiment of the drilling tool shown in figures 7 and 8, the drill bit assembly 2 has a fourth male section 7d comprising a fourth male thread 8d for connection the drill bit assembly 2 to a third female section 5c having a third female thread 6c of the drill string assembly 1.
In this fourth embodiment of the drilling tool, the drill bit assembly 2 is in two-part form so that the drill bit assembly 2 comprises a drill bit part (14) and an adapter part 15. The drill bit part 14 comprises a second male section 7b having a second male thread 8b for connecting the drill bit part 14 to a second female section 5b having a second female thread 6b of the adapter part 15, and the fourth male section 7d comprising the fourth male thread 8d is formed in the adapter part 15.
In this fourth embodiment of the drilling tool, the borehole survey tool 4 may be suspended in the first central flushing channel section 3 of the drill bit assembly 2 between a first damping means 11 and a second damping means 12 so that the first damping means 11 is precompressed between the second male section 7b of the drill bit part 14 and the borehole survey tool 4, and so that the second damping means 12 is pre-compressed between a collar 13 in the first central flushing channel section 3 located in the adapter part 15 and the borehole survey tool 4.
In this fourth embodiment of the drilling tool, the second female section 5b of the adapter part 15 may comprise a fifth impact surface 21 abutting a sixth impact surface 22 at a root of the second male section 7b of the drill bit part 14.
In this fourth embodiment of the drilling tool, the first central flushing channel section 3 of the drill bit assembly 2 may form an extension the second female section 5b of the adapter part 15 of the drill bit assembly 2.
The borehole survey tool 4 may comprise a casing 18 made of elastic material, such as of elastomer, which is transparent to signals originating from the borehole survey tool 4. A purpose of the casing 18 is to protect the components such as the electronic components (not shown in the figures) of the borehole survey tool. Another purpose of the casing 18 is to function as a damping means missing period.
The drilling tool may comprise at least one signal transparent member 19, made for example of polymer, extending between the first central flushing channel section 3 of the drill bit assembly 2 and a circumferential outer surface 20 of the drill bit assembly 2.
It is apparent to a person skilled in the art that as technology advanced, the basic idea of the invention can be implemented in various ways. The invention and its embodiments are therefore not restricted to the above examples, but they may vary within the scope of the claims.

Claims (23)

1. Iskuporaukseen käytettävä poraustyökalu, jolloin poraustyökalu käsittää ainakin yhden poratangon, poranteräkokoonpanon (2), joka käsittää poranteräosan ja sovitinosan keskeisen huuhtelukanavan huuhtelufluidin johtamiseen poranteräkokoonpanoon (2), jolloin keskeisellä huuhtelukanavalla on ensimmäinen keskeisen huuhtelukanavan osuus (3) poranteräkokoonpanossa (2) ja toinen keskeisen huuhtelukanavan osuus mainitussa ainakin yhdessä poratangossa, ja keskeisessä huuhtelukanavassa olevan porausreiän kartoitustyökalun (4), joka on järjestetty poranteräkokoonpanon (2) ensimmäiseen keskeisen huuhtelukanavan osuuteen (3), tunnettu siitä, että porausreiän kartoitustyökalu (4) on ripustettu ensimmäisen vaimennusvälineen (11) ja toisen vaimennusvälineen (12) väliin poranteräkokoonpanon (2) ensimmäiseen keskeisen huuhtelukanavan osuuteen (3) poranteräkokoonpanon (2) ensimmäisessä keskeisen huuhtelukanavan osuudessa (3) olevan kauluksen (13) ja poranteräkokoonpanon (2) poranteräosan (14) tai poranteräkokoonpanon (2) sovitusosan (15) urososuuden (7a; 7b) väliin siten että ensimmäinen vaimennusväline (11) ja toinen vaimennusväline (12) ovat esipuristetut.A drilling tool for impact drilling, wherein the drilling tool comprises at least one drill rod, a drill bit assembly (2) comprising a drill bit portion and an adapter portion for guiding the flush fluid to the drill bit assembly (2) a rinse channel portion in said at least one drill bar, and a drill hole mapping tool (4) in the central rinse channel located in a first central rinse channel portion (3) of the drill assembly (2), characterized in that the bore hole mapping tool (4) between the damping means (12) on the first central flush channel portion (3) of the drill bit assembly (2) and the collar (13) of the first central flush channel portion (3) of the drill bit assembly (2) and the bit size a male portion (7a) of a drill bit portion (14) of the hollow (2) or an adapter portion (15) of the drill bit assembly (2); 7b) between the first damping means (11) and the second damping means (12). 2. Patenttivaatimuksen 1 mukainen poraustyökalu, tunnettu siitä, että poranteräkokoonpanon (2) ensimmäinen keskeisen huuhtelukanavan osuus (3) on muodostettu poranteräkokoonpanon (2) poranteräosassa (14) tai poranteräkokoonpanon (2) sovitusosassa (15) olevan naaraosuuden (5a; 5b) jatkeeksi.Drilling tool according to Claim 1, characterized in that the first central flushing portion (3) of the drill bit assembly (2) is formed as an extension of the female portion (5a; 5b) of the drill bit portion (14) or the fitting portion (15) of the drill bit assembly (2). 3. Jonkin patenttivaatimuksista 1 tai 2 mukainen poraustyökalu, tunnettu siitä, että poranteräkokoonpanolla (2) on ensimmäinen naarasosuus (5a), joka käsittää ensimmäisen sisäkierteen (6a) poranteräkokoonpanon (2) liittämiseen ensimmäiseen urososuuteen (7a), jolla on mainitun ainakin yhden poratangon ensimmäinen ulkokierre (8 a).Drilling tool according to one of Claims 1 or 2, characterized in that the drill bit assembly (2) has a first female portion (5a) comprising a first female thread (6a) for attaching the drill bit assembly (2) to a first male portion (7a). outer thread (8 a). 4. Patenttivaatimuksen 3 mukainen poraustyökalu, tunnettu siitä, että poranteräkokoonpanon (2) ensimmäisellä naaraosuudella (5a) on ensimmäinen iskupinta (9) joka on päittäin mainitun ainakin yhden poratangon ulkokierteen juurella sijaitsevan toisen iskupinnan (10) kanssa.A drilling tool according to claim 3, characterized in that the first female portion (5a) of the drill bit assembly (2) has a first impact surface (9) which is abutment with the second impact surface (10) at the base of said at least one drill rod outer thread. 5. Patenttivaatimuksen 3 mukainen poraustyökalu, tunnettu siitä, että poranteräkokoonpanon (2) ensimmäisellä naarao s uudella (5a) on ensimmäinen iskupinta (9) poranteräkokoonpanon (2) ensimmäisen naaraosuuden (5a) pohjassa ollen päittäin poraussarjakokoonpanon (1) ulkokierteen päässä olevan toisen iskupinnan (10) kanssa.The drilling tool according to claim 3, characterized in that the first female section (5a) of the drill bit assembly (2) has a first impact surface (9) at the bottom of the first female portion (5a) of the drill bit assembly 10). 6. Iskuporaukseen käytettävä poraustyökalu, jolloin poraustyökalu käsittää ainakin yhden poratangon, poranteräkokoonpanon (2), keskeisen huuhtelukanavan huuhtelufluidin johtamiseen poranteräkokoonpanoon (2), jolloin keskeisellä huuhtelukanavalla on ensimmäinen keskeisen huuhtelukanavan osuus (3) poranteräkokoonpanossa (2) ja toinen keskeisen huuhtelukanavan osuus mainitussa ainakin yhdessä poratangossa, ja keskeisessä huuhtelukanavassa olevan porausreiän kartoitustyökalun (4), joka on järjestetty poranteräkokoonpanon (2) ensimmäiseen keskeisen huuhtelukanavan osuuteen (3), sen, että poranteräkokoonpanolla (2) on ensimmäinen naarasosuus (5a), joka käsittää ensimmäisen sisäkierteen (6a) poranteräkokoonpanon (2) liittämiseen ensimmäiseen urososuuteen (7a), jolla on mainitun ainakin yhden poratangon ensimmäinen ulkokierre (8a), tunnettu siitä, että poranteräkokoonpano (2) on muodostettu yhtenä kappaleena siten, että poranteräkokoonpano (2) muodostuu poranteräosasta (14).A drilling tool for impact drilling, wherein the drilling tool comprises at least one drill rod, a drill bit assembly (2), a central flush channel for conducting a flush fluid to a drill bit assembly (2), the first flush channel a drilling hole mapping tool (4) in the drill rod and the central flush channel arranged in the first central flush channel portion (3) of the drill bit assembly (2), wherein the drill bit assembly (2) has a first female portion (5a) comprising 2) for connection to a first male portion (7a) having a first outer thread (8a) of said at least one drill rod, characterized in that the drill bit assembly (2) is formed in one piece so that the drill bit assembly (2) u from the drill bit (14). 7. Patenttivaatimuksen 6 mukainen poraustyökalu, tunnettu siitä, että porausreiän kartoitustyökalu (4) on ripustettu poranteräkokoonpanon (2) ensimmäiseen keskeisen huuhtelukanavan osuuteen (3) ensimmäisen vaimennusvälineen (11) ja toisen vaimennusvälineen (12) väliin siten, että ensimmäinen vaimennusväline (11) on esipuristettu ensimmäisessä keskeisen huuhtelukanavan osuudessa (3) olevan kauluksen (13) ja porausreiän kartoitustyökalun (4) välissä ja siten, että toinen vaimennusväline (12) on esipuristettu mainitun ainakin yhden poratangon ensimmäisen urososuuden (7a) ja porausreiän kartoitustyökalun (4) välissä.Drilling tool according to Claim 6, characterized in that the drilling hole mapping tool (4) is suspended on the first central flush channel portion (3) of the drill bit assembly (2) between the first damping means (11) and the second damping means (11). pre-pressed between the collar (13) of the first central flushing channel portion (3) and the borehole mapping tool (4) and such that the second damping means (12) is pre-pressed between the first male portion (7a) of said at least one drill rod and borehole mapping tool (4). 8. Patenttivaatimuksen 6 tai 7 mukainen poraustyökalu, tunnettu siitä, että poranteräkokoonpanon (2) ensimmäinen keskeisen huuhtelukanavan osuus (3) muodostaa poranteräkokoonpanon (2) poranteräosan (14) ensimmäisen naarasosuuden (5a) jatkeen.Drilling tool according to claim 6 or 7, characterized in that the first central flushing portion (3) of the drill bit assembly (2) forms an extension of the first female portion (5a) of the drill bit portion (14) of the drill bit assembly (2). 9. Jonkin patenttivaatimuksista 3-5 mukainen poraustyökalu, tunnettu siitä, että poranteräkokoonpano (2) on kaksiosaisessa muodossa siten, että poranteräkokoonpano (2) käsittää poranteräosan (14) ja sovitinosan (15), siitä, että poranteräosa (14) käsittää toisen urososuuden (7b), jolla on toinen ulkokierre (8b) poranteräosan (14) liittämiseen toiseen naarasosuuteen (5b), jolla on sovitinosan (15) toinen sisäkierre (6b), ja siitä, että ensimmäinen naarasosuus (5a) käsittää sovitinosaan (15) muodostetun ensimmäisen sisäkierteen (6a).Drilling tool according to one of Claims 3 to 5, characterized in that the drill bit assembly (2) is in two parts such that the drill bit assembly (2) comprises a drill bit part (14) and an adapter part (15), wherein the drill bit part (14) 7b) having a second outer thread (8b) for connecting the drill bit portion (14) to a second female part (5b) having a second female thread (6b) of the adapter part (15) and wherein the first female part (5a) comprises a first female thread formed in the adapter part (6a). 10. Patenttivaatimuksen 9 mukainen poraustyökalu, tunnettu siitä, että porausreiän kartoitustyökalu (4) on ripustettu poranteräkokoonpanon (2) ensimmäiseen keskeisen huuhtelukanavan osuuteen (3) ensimmäisen vaimennusvälineen (11) ja toisen vaimennusvälineen (12) väliin siten, että ensimmäinen vaimennusväline (11) on esipuristettu poranteräosan (14) toisen urososuuden (7b) ja porausreiän kartoitustyökalun (4) välissä ja siten että toinen vaimennusväline (12) on esipuristettu sovitinosassa (15) sijaitsevan ensimmäisessä keskeisen huuhtelukanavan osuudessa (3) olevan kauluksen (13) ja porausreiän kartoitustyökalun (4) välissä.Drilling tool according to Claim 9, characterized in that the drilling hole mapping tool (4) is suspended on the first central flush channel portion (3) of the drill bit assembly (2) between the first damping means (11) and the second damping means (12). pre-pressed between the second male portion (7b) of the drill bit portion (14) and the borehole mapping tool (4) and the second damping means (12) pre-pressed to map the collar (13) and borehole 4 in the first central flush channel portion (3) between. 11. Patenttivaatimuksen 9 tai 10 mukainen poraustyökalu, tunnettu siitä, että sovitinosan (15) toinen naarasosuus (5b) käsittää kolmannen iskupinnan (16), joka on kohdakkain poranteräosan (14) toisen urososuuden (7b) juurella olevan neljännen iskupinnan (17) kanssa.Drilling tool according to claim 9 or 10, characterized in that the second female portion (5b) of the adapter part (15) comprises a third impact surface (16) which is aligned with the fourth impact surface (17) at the base of the second male portion (7b) of the drill bit. 12. Jonkin patenttivaatimuksista 9-11 mukainen poraustyökalu, tunnettu siitä, että poranteräkokoonpanon (2) ensimmäinen keskeisen huuhtelukanavan osuus (3) muodostaa poranteräkokoonpanon (2) sovitinosan (15) toisen naarasosuuden (5b) jatkeen.Drilling tool according to one of Claims 9 to 11, characterized in that the first central flushing channel portion (3) of the drill bit assembly (2) forms an extension of the second female portion (5b) of the adapter part (15) of the drill bit assembly (2). 13. Jonkin patenttivaatimuksista 3-5 mukainen poraustyökalu, tunnettu siitä, että poranteräkokoonpano (2) on kaksiosaisessa muodossa siten, että poranteräkokoonpano (2) käsittää poranteräosan (14) ja sovitinosan (15), siitä, että poranteräosa (14) käsittää toisen naarasosuuden (5b), jolla on toinen sisäkierre (6b) poranteräosan (14) liittämiseen kolmanteen urososuuteen (7c), jolla on sovitinosan (15) kolmas ulkokierre (8c), ja siitä, että ensimmäinen naarasosuus (5a) käsittää sovitinosaan (15) muodostetun ensimmäisen sisäkierteen (6a).Drilling tool according to one of Claims 3 to 5, characterized in that the drill bit assembly (2) is in two parts such that the drill bit assembly (2) comprises a drill bit part (14) and an adapter part (15), wherein the drill bit part (14) 5b) having a second female thread (6b) for engaging the drill bit portion (14) with a third male portion (7c) having a third outer thread (8c) of the adapter portion (15) and wherein the first female portion (5a) comprises a first female thread formed in the adapter portion (15) (6a). 14. Patenttivaatimuksen 13 mukainen poraustyökalu, tunnettu siitä, että porausreiän kartoitustyökalu (4) on ripustettu poranteräkokoonpanon (2) ensimmäiseen keskeisen huuhtelukanavan osuuteen (3) ensimmäisen vaimennusvälineen (11) ja toisen vaimennusvälineen (12) väliin siten, että ensimmäinen vaimennusväline (11) on esipuristettu ensimmäisessä keskeisen huuhtelukanavan osuudessa (3) olevan kauluksen (13) ja porausreiän kartoitustyökalun (4) välissä ja siten, että toinen vaimennusväline (12) on esipuristettu sovitinosan (15) kolmannen urososuuden (7c) ja porausreiän kartoitustyökalun (4) välissä.Drilling tool according to Claim 13, characterized in that the drilling hole mapping tool (4) is suspended on the first central flushing channel portion (3) of the drill bit assembly (2) between the first damping means (11) and the second damping means (11). pre-pressed between the collar (13) of the first central flush channel portion (3) and the borehole mapping tool (4) and with the second damping means (12) pre-pressed between the third male portion (7c) of the adapter portion (15) and the borehole mapping tool (4). 15. Patenttivaatimuksen 13 tai 14 mukainen poraustyökalu, tunnettu siitä, että poranteräosan (14) toinen naarasosuus (5b) käsittää neljännen iskupinnan (17), joka on kohdakkain sovitinosan (15) kolmannen urososuuden (7c) juurella olevan kolmannen iskupinnan (16) kanssa.A drilling tool according to claim 13 or 14, characterized in that the second female portion (5b) of the drill bit portion (14) comprises a fourth impact surface (17) which is aligned with the third impact surface (16) at the base of the third male portion (7c) of the adapter. 16. Jonkin patenttivaatimuksista 13 - 15 mukainen poraustyökalu, tunnettu siitä, että poranteräkokoonpanon (2) ensimmäinen keskeisen huuhtelukanavan osuus (3) muodostaa poranteräkokoonpanon (2) toisen naarasosuuden (5b) jatkeen.Drilling tool according to one of Claims 13 to 15, characterized in that the first central flushing portion (3) of the drill bit assembly (2) forms an extension of the second female portion (5b) of the drill bit assembly (2). 17. Jonkin patenttivaatimuksista 1 tai 2 mukainen poraustyökalu, tunnettu siitä, että poranteräkokoonpanolla (2) on neljäs urososuus (7d), joka käsittää neljännen ulkokierteen (8d) poranteräkokoonpanon (2) liittämiseen kolmanteen naarasosuuteen (5c), jolla on mainitun ainakin yhden poratangon kolmas sisäkierre (6c).A drilling tool according to any one of claims 1 or 2, characterized in that the drill bit assembly (2) has a fourth male portion (7d) comprising a fourth outer thread (8d) for engaging the drill bit assembly (2) with a third female portion (5c). inner thread (6c). 18. Patenttivaatimuksen 17 mukainen poraustyökalu, tunnettu siitä, että poranteräkokoonpano (2) on kaksiosaisessa muodossa siten, että poranteräkokoonpano (2) käsittää poranteräosan (14) ja sovitinosan (15), siitä, että poranteräosa (14) käsittää toisen urososuuden (7b), jolla on toinen ulkokierre (8b) poranteräosan (14) liittämiseen toiseen naarasosuuteen (5b), jolla on sovitinosan (15) toinen sisäkierre (6b), ja siitä, että neljäs urososuus (7d) käsittää sovitinosaan (15) muodostetun neljännen ulkokierteen (8d).A drilling tool according to claim 17, characterized in that the drill bit assembly (2) is in two parts such that the drill bit assembly (2) comprises a drill bit portion (14) and an adapter portion (15), wherein the drill bit portion (14) comprises a second male portion (7b) having a second outer thread (8b) for engaging the drill bit portion (14) with a second female thread (5b) having a second inner thread (6b) of the adapter portion (15), and wherein the fourth male portion (7d) comprises a fourth outer thread (8d) . 19. Patenttivaatimuksen 17 tai 18 mukainen poraustyökalu, tunnettu siitä, että porausreiän kartoitustyökalu (4) on ripustettu poranteräkokoonpanon (2) ensimmäiseen keskeisen huuhtelukanavan osuuteen (3) ensimmäisen vaimennusvälineen (11) ja toisen vaimennusvälineen (12) väliin siten, että ensimmäinen vaimennusväline (11) on esipuristettu poranteräosan (14) toisen urososuuden (7b) ja porausreiän kartoitustyökalun (4) välissä ja siten, että toinen vaimennusväline (12) on esipuristettu sovitinosassa (15) sijaitsevan ensimmäisessä keskeisen huuhtelukanavan osuudessa (3) olevan kauluksen (13) ja porausreiän kartoitustyökalun (4) välissä.A drilling tool according to claim 17 or 18, characterized in that the drilling hole mapping tool (4) is suspended in a first central flush channel portion (3) of the drill bit assembly (2) between the first damping means (11) and the second damping means (11). ) is pre-pressed between the second male portion (7b) of the drill bit portion (14) and the borehole mapping tool (4) and the second damping means (12) pre-pressed into the collar (13) of the first central flush channel portion (3) (4) in between. 20. Jonkin patenttivaatimuksista 17 - 19 mukainen poraustyökalu, tunnettu siitä, että sovitinosan (15) toinen naarasosuus (5b) käsittää viidennen iskupinnan (21), joka on kohdakkain poranteräosan (14) toisen urososuuden (7b) juurella olevan kuudennen iskupinnan (22) kanssa.Drilling tool according to one of Claims 17 to 19, characterized in that the second female portion (5b) of the adapter part (15) comprises a fifth impact surface (21) which is aligned with the sixth impact surface (22) at the base of the second male portion (7b) of the drill bit . 21. Jonkin patenttivaatimuksista 17 - 20 mukainen poraustyökalu, tunnettu siitä, että poranteräkokoonpanon (2) ensimmäinen keskeisen huuhtelukanavan osuus (3) muodostaa poranteräkokoonpanon (4) sovitinosan (15) toisen naarasosuuden (5b) jatkeen.Drilling tool according to one of Claims 17 to 20, characterized in that the first central flush channel portion (3) of the drill bit assembly (2) forms an extension of the second female portion (5b) of the adapter part (15) of the drill bit assembly (4). 22. Jonkin patenttivaatimuksista 1-21 mukainen poraustyökalu, tunnettu siitä, että porausreiän kartoitustyökalu (4) käsittää joustavasta materiaalista, kuten elastomeerista, valmistetun kuoren (18), joka on porausreiän kartoitustyökalusta (4) lähtöisin oleville signaaleille transparentti.Drilling tool according to one of Claims 1 to 21, characterized in that the drilling hole mapping tool (4) comprises a shell (18) made of a flexible material, such as an elastomer, which is transparent to signals from the drilling hole mapping tool (4). 23. Jonkin patenttivaatimuksista 1-22 mukainen poraustyökalu, tunnettu siitä, että poraustyökalu käsittää poranteräkokoonpanon (2) ensimmäisen keskeisen huuhtelukanavan osuuden (3) ja poranteräkokoonpanon (2) kehänmyötäisen ulkokuoren (20) välissä ulottuvan ainakin yhden signaaleille transparentin elimen (19).Drilling tool according to one of Claims 1 to 22, characterized in that the drilling tool comprises at least one signal transparent element (19) extending between the first central flush channel portion (3) of the drill bit assembly (2) and the peripheral outer shell (20) of the drill bit assembly (2).
FI20155093A 2015-02-11 2015-02-11 Drilling Tools FI126949B (en)

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