EP1682745A1 - Method and device for the drilling of holes in ground or rocky material - Google Patents
Method and device for the drilling of holes in ground or rocky materialInfo
- Publication number
- EP1682745A1 EP1682745A1 EP04761062A EP04761062A EP1682745A1 EP 1682745 A1 EP1682745 A1 EP 1682745A1 EP 04761062 A EP04761062 A EP 04761062A EP 04761062 A EP04761062 A EP 04761062A EP 1682745 A1 EP1682745 A1 EP 1682745A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- impact
- drill bit
- drill
- drill string
- ring
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 30
- 238000005553 drilling Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000033001 locomotion Effects 0.000 claims abstract description 14
- 238000005253 cladding Methods 0.000 claims description 30
- 238000009412 basement excavation Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000001154 acute effect Effects 0.000 claims description 6
- 239000011435 rock Substances 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000010009 beating Methods 0.000 claims 1
- 230000008878 coupling Effects 0.000 description 12
- 238000010168 coupling process Methods 0.000 description 12
- 238000005859 coupling reaction Methods 0.000 description 12
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 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
- E21B6/00—Drives for drilling with combined rotary and percussive action
- E21B6/02—Drives for drilling with combined rotary and percussive action the rotation being continuous
-
- 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
- E21B1/00—Percussion drilling
- E21B1/12—Percussion drilling with a reciprocating impulse member
- E21B1/24—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure
- E21B1/26—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by liquid pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
Definitions
- the present invention relates to a method for drilling, in particular impact or rotary impact drilling, of holes in soil or rock material, wherein a borehole is formed by a drill bit mounted on a drill bit by a striking and / or rotating movement and a coat or And a device for drilling, in particular percussion or rotary impact drilling, of holes in soil or rock material, wherein a drill bit mounted on a drill string by a striking and / or rotating movement forms a borehole and a Jacket or cladding tube is introduced into the wellbore.
- embodiments are known in which a correspondingly solid casing tube is provided, which cooperates with the drill bit, in particular on its outer circumference, wherein in such embodiments, a substantially central drill pipe for introducing impact energy is dispensed with.
- a disadvantage of this embodiment is in particular the fact that a very massive and therefore heavy casing pipe must be used to introduce the required energy degradation, which is usually provided for bores over short distances, such as well bores.
- the present invention aims, starting from a method and a device of the type mentioned at the outset, to enable a reliable introduction of the degradation or impact energy into the drill bit as well as into the jacket tube or jacket tube.
- a method of the type mentioned above essentially characterized in that the impact energy introduced by the drill pipe partially in particular centrally through the drill string on the drill bit and partly via a cooperating with the drill string impact shoe on the jacket or cladding tube is transferred.
- the fact that the energy or impact energy is transmitted separately in particular centrally through the drill string on the drill bit and partially on a co-operating with the drill pipe impact shoe on the jacket or cladding manages a decoupling during insertion of the drill bit of the additionally introduced during the drilling process Sheath or jacket tube. It is thus possible to reduce the energy required to be transferred to the drill bit to the drilling work required only for the drilling work.
- the forces required for the insertion of the sheath or sheath tube can be taken into account separately from any frictional resistances between the outer circumference of the sheath or sheath and the well produced.
- the impact energy from the drill pipe to the impact shoe be submerged Intermediate circuit of a shock ring is transmitted.
- a transfer of energy from the centrally or centrally arranged drill string, which usually has a comparatively small diameter, carried on the large diameter having a blower, the beater substantially adapted to the diameter of the coupled jacket or Cladding tube is formed.
- degraded material is introduced via at least one passage opening in the excavation surface of the drill bit in a defined between the outer circumference of the drill string and the inner circumference of the casing tube and the adjoining cladding tube annulus and discharged from the wellbore. It can thus bring the mined material directly through the at least one provided in the drill bit excavation opening in the annular space between the drill string and the adjoining the drill bit sheath or casing, so that a reliable and safe removal of the mined material from the field Removal surface of the drill bit can be made.
- the striking ring with a corresponding to at least one passage opening of the excavation surface of the drill bit passage for the removal of material forms, and with the drill string to a rotary motion with the Drill bit is coupled.
- Drill pipe after completion of the hole or the hole is inventively proposed according to a further preferred embodiment, that the drill bit and possibly the impact ring is coupled to the drill string via a plug connection, in particular polygonal, mutually complementary surfaces of the connector are provided.
- a plug connection in particular polygonal, mutually complementary surfaces of a plug connection allow a secure coupling with the and reliable force introduction to the drill bit, while such a connector easily by a simple retraction allows removal of the drill string from the drill bit.
- the impact ring By providing the protection provided by the In addition, it is also possible for the impact ring to remain in the borehole during removal of the drill string, so that there is no impediment to the removal of the drill string through the impact ring having an enlarged diameter compared to the drill string, possibly through the annular space between the outer circumference of the drill string and The material remaining of the inner diameter of the jacket or cladding tube must be feared.
- a device of the type mentioned above is moreover characterized in that the drill bit can be acted upon by the drill string in its central region and that the drill rod cooperates with the jacket or sheath tube Impacted blower.
- the drill bit can be acted upon by the drill string in its central region and that the drill rod cooperates with the jacket or sheath tube Impacted blower.
- such an embodiment achieves a uniform introduction of the impact energy or energy to be transferred to the drill bit, thereby speeding up or supporting the drilling progress or drilling process.
- no special measures are to be taken with regard to preferably reinforced regions of the drill bit which are to be formed in order to introduce the impact energy and to distribute it over the entire excavation surface.
- the decoupling of the drill bit from the jacket or cladding tube furthermore makes it possible to design the drill bit in a correspondingly simplified manner since the forces required for an insertion of the jacket or cladding tube do not have to be transmitted to the jacket or cladding tube via the drill bit. but the jacket or cladding tube on the impact shoe, which cooperates with the drill pipe or is acted upon by this, is introduced into the interior of the borehole.
- the drill string with the interposition of a shock ring with the impact shoe Transmission of impact energy is coupled to the jacket or cladding tube.
- the impact ring is separated , formed by the impact shoe and the drill string.
- individual parts of the device according to the invention can be produced separately from each other and thus simpler and further ensures that when removing the drill string after completion of the bore, as will be discussed in more detail below, the beater next to the drill bit and the Mantel- or cladding tube can remain in the borehole, so that a simple removal or removal of the drill string is possible without having to fear that by the larger external dimension for coupling with the glove having impact ring when removing the drill string from the Borehole by any mined material remaining in the well a hindrance in removing the
- the impact shoe is welded to the jacket tube and / or jacket tube.
- the drill bit at least one passage opening for introducing material into a between the outer periphery of the drill string and the inner circumference of the casing tube and the thereto having subsequent cladding defined annular space.
- the impact ring at least one with the or the passage opening (s) of the excavation surface of the drill bit has aligned passage opening.
- a plurality of passage openings in each case substantially equal angular distance from each other, in particular three passages in one each angular distance of 120 ° at the outer peripheral region of the drill bit and that of the impact ring is or are provided.
- the drill bit and the impact ring are coupled via plug connections with the drill pipe, wherein the connectors have in particular polygonal stop or contact surfaces.
- the connectors have in particular polygonal stop or contact surfaces.
- an acute angle with the longitudinal axis of the drill string enclosing or a Kugelkalottenform having stop surfaces can be designed correspondingly inexpensive and reliable for the partially high forces to be introduced.
- the drill bit at the end remote from the excavation surface connects to the guide shoe übergrei- fendes guide tube, which together with the drill bit relative to the beater as well the associated jacket or jacket tube is rotatable.
- This guide tube has a correspondingly short length so as not to excessively increase frictional forces between the outer circumference of the guide tube and the produced wellbore, while the sheath tube is subjected only to tensile stress as discussed above and thus only in the longitudinal direction of the guide tube Borehole is introduced without rotation movement.
- the guide tube and the impact shoe are secured in the axial direction, for example by a spring washer.
- FIG. 1 shows a longitudinal section through an inventive device for carrying out the method according to the invention
- Fig. 2 is a front view of the drill bit of the embodiment of Figure 1 in the direction of the arrow II, wherein Figure 1 is a section along the line I-I of Figure 2.
- FIG. 3 is a side view of the device according to the invention.
- a drill bit which in a conventional manner a plurality of hard metal or hard material inserts 2 for breaking down unspecified material for forming a well, also not shown.
- the drill bit 1 is coupled on its side facing away from the excavation surface 3 to a drill pipe 4, wherein in FIG. 1 only the foremost section of the drill pipe 4 is shown, wherein in a conventional manner the drill pipe 4, for example can be extended accordingly via the screw connection indicated by 5.
- the drill pipe 4 acts substantially centrally or centrally in the region of a plug connection 6 directly with the drill bit 1, wherein in addition in Fig. 1 schematically a flushing channel 7 in the drill pipe 4 is indicated, which opens into corresponding scavenging openings 8, wel ehe in Area of the excavation surface 3 of the drill bit 1 are provided.
- the drill pipe 4 at a distance from the connector 6 cooperates with a striking ring 9, which subsequently cooperates with a beater 10.
- the impact shoe 10 transmits energy to a jacket tube 15th
- surfaces or support surfaces 12 and 13 are provided, wherein the abutment surfaces or bearing surfaces 12 and 13 each one pointed Have angle with the longitudinal axis 14 of the drill string 4.
- the contact surfaces 11 between the drill bit 1 and the central drill pipe 4 are formed by a ball dome shape for transmitting the required forces.
- the impact shoe 10 is connected to the jacket tube 15 via a weld 16, so that at a loading of the impact shoe 10 in the direction of drilling or removal movement 17 at the same time the jacket tube 15 and the jacket tube 15 coupled and subsequent cladding tube 18 is taken.
- a coupling via a ring 19 is provided for a coupling between the jacket tube 15 and the subsequent cladding tube 18.
- FIG. 1 also shows that a guide tube 20 connects to the end of the drill bit 1 facing away from the removal surface 3, which tube is fixedly connected to the drill bit 1 and at least partially surrounds the impact ring 10. attacks.
- An axial securing between the impact ring 10 and the guide tube 20 is indicated in Fig. 1 with 21 as a spring ring.
- the guide tube 20 rotates together with the drill bit 1 in the direction of the arrow 22 during a dismantling process, while the jacket tube 15 and the adjoining jacket tube 18 only in the direction of the drilling movement 17 without any rotational movement be taken over the beater 10 in the interior of the borehole.
- the impact ring 9 is formed separately from both the beater 10 and the drill pipe 4, so that after completion of the
- the drill pipe 4 can be easily removed against the drilling direction 17 from the well and thus the interior of the casing tube 15 and the adjoining casing tube 18, which need not be feared that 15 or 18 befindliches inside the casing or sheath Material a removal of the drill string 4 obstructed, since the impact ring 9 in the borehole, ie remains in the interior of the casing tube 15.
- the drill bit 1 at its excavation surface 3 at least one and in the illustrated embodiment, three passages 23, which are arranged at a distance substantially equal angular distance of 120 ° from each other.
- the impact ring 9 has corresponding aligned passage openings 24, so that a large passage cross-section for a discharge of the material directly through the excavation surface of the drill bit 1 and subsequently in between Outer circumference of the drill string 4 and the inner circumference of the casing tube 15 and the adjoining cladding tube 18 defined annular space 25 is made possible.
- the impact ring 9 is formed separately from both the beater 10 and the drill pipe 4, thus even in the presence of optionally coarse material in the annulus 25, the drill string 4 safely removed after completion of the bore or are drawn, since in addition to the substantially smooth outer periphery of the drill string 4, as can be seen in the right part of Fig. 1, which has a smaller cross-section portion 26 which is surrounded by the impact ring 9, no obstacle to a removal of the drill string after completion of the hole represents.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI200430534T SI1682745T1 (en) | 2003-10-08 | 2004-10-05 | Method and device for the drilling of holes in ground or rocky material |
PL04761062T PL1682745T3 (en) | 2003-10-08 | 2004-10-05 | Method and device for the drilling of holes in ground or rocky material |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0159303A AT500691B1 (en) | 2003-10-08 | 2003-10-08 | METHOD AND DEVICE FOR DRILLING HOLES IN SOIL OR ROCK MATERIAL |
PCT/AT2004/000340 WO2005033467A1 (en) | 2003-10-08 | 2004-10-05 | Method and device for the drilling of holes in ground or rocky material |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1682745A1 true EP1682745A1 (en) | 2006-07-26 |
EP1682745B1 EP1682745B1 (en) | 2007-09-05 |
Family
ID=34397358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04761062A Expired - Lifetime EP1682745B1 (en) | 2003-10-08 | 2004-10-05 | Method and device for the drilling of holes in ground or rocky material |
Country Status (15)
Country | Link |
---|---|
US (1) | US7255181B2 (en) |
EP (1) | EP1682745B1 (en) |
JP (1) | JP2007507627A (en) |
KR (1) | KR20060121913A (en) |
CN (1) | CN1863981A (en) |
AT (2) | AT500691B1 (en) |
CA (1) | CA2540963A1 (en) |
DE (1) | DE502004004906D1 (en) |
DK (1) | DK1682745T3 (en) |
ES (1) | ES2291910T3 (en) |
HR (1) | HRP20060148A2 (en) |
PL (1) | PL1682745T3 (en) |
PT (1) | PT1682745E (en) |
WO (1) | WO2005033467A1 (en) |
ZA (1) | ZA200602625B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1818499B1 (en) | 2006-02-09 | 2011-08-17 | Gonar Sp. Zo.o. | Apparatus for simultaneously drilling and casing boreholes |
JP4962129B2 (en) * | 2007-05-09 | 2012-06-27 | 三菱マテリアル株式会社 | Drilling tools |
US7900716B2 (en) * | 2008-01-04 | 2011-03-08 | Longyear Tm, Inc. | Vibratory unit for drilling systems |
WO2012142738A1 (en) | 2011-04-18 | 2012-10-26 | Empire Technology Development Llc | Improved drilling technology |
US9416593B2 (en) * | 2012-12-28 | 2016-08-16 | Smith International, Inc. | Piston strike face and bit interface for percussion hammer drill |
KR101608969B1 (en) * | 2014-10-07 | 2016-04-04 | 광성지엠(주) | Bit for drilling apparatus |
PL3231980T3 (en) | 2016-04-07 | 2019-08-30 | Dsi Underground Austria Gmbh | Drilling head with a chisel holder and a method of assembling the same |
RU2750793C1 (en) * | 2020-12-02 | 2021-07-02 | Федеральное государственное бюджетное учреждение науки Институт горного дела им. Н.А. Чинакала Сибирского отделения Российской академии наук (ИГД СО РАН) | Method for drilling boreholes with simultaneous casing |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US975487A (en) * | 1909-06-19 | 1910-11-15 | American Concrete Piling Company | Pile and means for driving the same. |
SE320343B (en) * | 1963-09-11 | 1970-02-09 | Stabilator Ab | |
US3382934A (en) * | 1966-03-03 | 1968-05-14 | Ingersoll Rand Co | Downhole drill for submarine drilling |
DE2155540C3 (en) * | 1971-11-09 | 1981-07-09 | Ing. Günter Klemm, Spezialunternehmen für Bohrtechnik, 5962 Drolshagen | Device for overlay drilling |
SE467632B (en) * | 1990-01-17 | 1992-08-17 | Uniroc Ab | DRILLING TOOL FOR BATTING AND ROTATING DRILLING WHILE CONDUCTING A FEEDING PIPE |
SE503324C2 (en) * | 1990-02-19 | 1996-05-28 | Sandvik Ab | Drilling tool for lowering drilling, with central pilot crown |
DE4114457C1 (en) * | 1991-05-03 | 1992-06-25 | Ing. Guenter Klemm Bohrtechnik Gmbh, 5962 Drolshagen, De | |
US5921332A (en) * | 1997-12-29 | 1999-07-13 | Sandvik Ab | Apparatus for facilitating removal of a casing of an overburden drilling equipment from a bore |
US6021856A (en) * | 1998-05-29 | 2000-02-08 | Numa Tool Company | Bit retention system |
AU2910899A (en) * | 1999-03-18 | 2000-10-09 | Alwag Tunnelausbau Gesellschaft Mbh | Device for drilling bore holes |
JP2003525365A (en) * | 2000-02-24 | 2003-08-26 | テヒモ・エントビツクルングス−ウント・フエルトリーブス・ゲー・エム・ベー・ハー | Equipment for boring bore holes, especially impact or rotary impact boring |
SE519312C2 (en) * | 2001-06-26 | 2003-02-11 | Sandvik Ab | Rock drilling tools for striking drilling as well as ring drill bit and drill adapter intended to be included in the drilling tool |
SE522135C2 (en) * | 2001-07-02 | 2004-01-13 | Uno Loef | Drilling tools for lowering drilling |
-
2003
- 2003-10-08 AT AT0159303A patent/AT500691B1/en not_active IP Right Cessation
-
2004
- 2004-10-05 CN CNA2004800294508A patent/CN1863981A/en active Pending
- 2004-10-05 DE DE502004004906T patent/DE502004004906D1/en not_active Expired - Lifetime
- 2004-10-05 KR KR1020067006922A patent/KR20060121913A/en not_active Application Discontinuation
- 2004-10-05 JP JP2006529432A patent/JP2007507627A/en active Pending
- 2004-10-05 CA CA002540963A patent/CA2540963A1/en not_active Abandoned
- 2004-10-05 AT AT04761062T patent/ATE372442T1/en active
- 2004-10-05 PL PL04761062T patent/PL1682745T3/en unknown
- 2004-10-05 WO PCT/AT2004/000340 patent/WO2005033467A1/en active IP Right Grant
- 2004-10-05 ES ES04761062T patent/ES2291910T3/en not_active Expired - Lifetime
- 2004-10-05 EP EP04761062A patent/EP1682745B1/en not_active Expired - Lifetime
- 2004-10-05 DK DK04761062T patent/DK1682745T3/en active
- 2004-10-05 PT PT04761062T patent/PT1682745E/en unknown
-
2006
- 2006-03-30 ZA ZA200602625A patent/ZA200602625B/en unknown
- 2006-04-10 US US11/400,311 patent/US7255181B2/en not_active Expired - Fee Related
- 2006-04-19 HR HR20060148A patent/HRP20060148A2/en not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO2005033467A1 * |
Also Published As
Publication number | Publication date |
---|---|
HRP20060148A2 (en) | 2006-06-30 |
PL1682745T3 (en) | 2008-01-31 |
JP2007507627A (en) | 2007-03-29 |
DK1682745T3 (en) | 2008-01-07 |
AU2004278443A1 (en) | 2005-04-14 |
DE502004004906D1 (en) | 2007-10-18 |
PT1682745E (en) | 2007-11-16 |
AT500691A1 (en) | 2006-02-15 |
EP1682745B1 (en) | 2007-09-05 |
ATE372442T1 (en) | 2007-09-15 |
WO2005033467A1 (en) | 2005-04-14 |
US20060180352A1 (en) | 2006-08-17 |
CA2540963A1 (en) | 2005-04-14 |
KR20060121913A (en) | 2006-11-29 |
ES2291910T3 (en) | 2008-03-01 |
US7255181B2 (en) | 2007-08-14 |
ZA200602625B (en) | 2007-11-28 |
AT500691B1 (en) | 2008-07-15 |
CN1863981A (en) | 2006-11-15 |
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