CN1460145A - Step tube drilling rod and drilling machine - Google Patents
Step tube drilling rod and drilling machine Download PDFInfo
- Publication number
- CN1460145A CN1460145A CN02800916A CN02800916A CN1460145A CN 1460145 A CN1460145 A CN 1460145A CN 02800916 A CN02800916 A CN 02800916A CN 02800916 A CN02800916 A CN 02800916A CN 1460145 A CN1460145 A CN 1460145A
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- China
- Prior art keywords
- drilling rod
- step tube
- tube drilling
- diameter
- small diameter
- 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
- 238000005553 drilling Methods 0.000 title claims abstract description 193
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000005452 bending Methods 0.000 abstract description 10
- 239000011435 rock Substances 0.000 description 15
- 238000011084 recovery Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- 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
- E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
In a drill rod for a drilling machine, the rod outer diameter has a large diameter almost equal to the drill hole diameter, an a male thread is formed at one end and a female thread at the other end, with at least one small diameter portion adjacent the female thread. This step tube rod is capable of reducing the bending of holes. Further, a drilling machine using this step tube rod facilitates the positioning of the drill rod and is capable of efficiently and safely effecting the connecting and recovering operation.
Description
Technical field
The present invention relates to a kind of step tube drilling rod (step tube rod) and adopt the rig of this step tube drilling rod as drilling rod.
Background technology
All have the rock borer (rock drill) that is installed on the guide thimble such as hydraulic pressure caterpillar drilling machine and fan cut rig rigs such as (fan cut drill).Drilling rod inserts and is installed on the rock borer, and drill bit is installed in the top of drilling rod.Therefore, spray and rotatablely move and be delivered on the drill bit by drilling rod from rock borer, and the rock borer feeding, thereby to rockhole.
For example, be under the situation of hydraulic pressure caterpillar drilling machine 11 as shown in Figure 8 at rig, on car 13, provide a boom 14, have a track frame 12 on the described car 13 rotating and tilt.End support at boom 14 has a guide thimble 16, and this guide thimble 16 is equipped with a rock borer 15 tilting and swing.Rock borer 15 is equipped with the drilling rod 1 that connects by sleeve pipe 2 with infix form, and on the top of drilling rod 1 drill bit 3 is installed, and the external diameter of drill bit 3 is roughly identical with bore dia Dh.
Rock borer 15 has a winding-up (blowing) mechanism, a rotating mechanism and a flushing machine (not shown).Rock borer 15 is along the longitudinal movement under centripetal force effect on the guide thimble 16, that feeding motor 17 applies, and passes to drill bit 3 by drilling rod 1 power of will jetting with rotatablely moving, thereby rock stratum R is holed.In addition, flushing machine is supplied compressed air to remove smear metal to the top of drilling rod 1.Provide a cover 18 at the head portion of guide thimble 16, with coverage hole and collect smear metal.
Under the very big situation of hole depth, when boring work, many drilling rods 1 to be coupled together continuously.By adopting drilling rod converter 19, can mechanically provide and jointed rod 1, and after the drillman finishes, drilling rod 1 be separated and recovery.
Implement to connect and reclaiming under the situation of drilling rod 1, must clamping drilling rod 1, with when connecting or the central axis of drilling rod 1 fixed during separation drilling rod 1, so will near the head portion of guide thimble 16, provide clamping bar device 4.
The drilling rod commonly used 1 that is used for above-mentioned hydraulic pressure caterpillar drilling machine 11 has hexagon or circular external shape, and according to the size (T51 screw thread, T45 screw thread, T38 screw thread etc.) of connecting thread and have predetermined outside dimension 51mm, 45mm, 38mm etc.This external diameter is significantly less than bore dia Dh.
Drilling rod 1 can be made into two types: all have the MM drilling rod 1A of external screw thread MS and at one end having external screw thread and have the MF drilling rod 1B of internal thread FS in the inside with larger-diameter other end shown in Fig. 9 (b) at two ends shown in Fig. 9 (a).When adopting MM drilling rod 1A, it connects by sleeve pipe 2, and when adopting MF drilling rod 1B, external screw thread MS and internal thread FS directly engage mutually.
Shown in Figure 10 and 11, clamping bar device 4 is configured to following form, that is, make the drilling rod 1 with special diameter by a pair of clamp 5 clampings, and described clamp 5 are supported on the pin 6 rotationally with can open and close.On the inner surface of clamp 5, be shaped on a major diameter part 5L and a small diameter portion 5S.When adopting MM drilling rod 1A, the part of sleeve pipe 2 in major diameter part 5L clamping, and when adopting MF drilling rod 1B, major diameter part 5L clamping has large diameter internal whorl part 1BL.
Clamping bar device 4 not only grip sleeve 2 rotates to prevent sleeve pipe 2, also partly and at an easy rate drilling rod 1 is located by the major diameter part 5L and the vary in diameter between the small diameter portion 5S of clamp 5.
In addition, for drilling tool under fan cut rig, the hole and similar drilling tool, the tube drilling rod 1C shown in Fig. 9 (c) is adopted in suggestion.The end of this tube drilling rod 1C has external screw thread MS, and the other end has internal thread FS, and has than MM drilling rod 1A and the bigger external diameter of MF drilling rod 1B, and the external diameter of tube drilling rod 1C is substantially equal to eye diameter.Therefore, when the probing deep hole, reduced the possibility of duct bending, and improved the eliminating efficient of smear metal.
When using this tube drilling rod 1C, the clamping bar device 40 shown in Figure 12 and 13 is used for the fan cut rig, and the two caliper brake clamping bar devices 50 shown in Figure 14 and 15 are used for drilling tool under the hole.
Clamping bar device 40 shown in Figure 12 and 13 is configured to following form, and the drilling rod 1 that promptly has special diameter is by a pair of clamp 45 clampings, and clamp 45 are supported with can open and close by pin 6 rotationally.The internal diameter of clamp 45 is constants, and does not form different diameters.
If adopt tube drilling rod 1C to reduce the duct bending as drilling rod 1, then owing to adopted the clamping bar device of the clamp that in clamping bar device 40, do not have the diameter difference 45,55 shown in Figure 12 and clamping bar device shown in Figure 14, so the location of drilling rod 1 is also unstable, make the working time obviously increase, and be used for that drilling rod connects and the risk factor of recovery operation has increased.
In addition, for hydraulic pressure caterpillar drilling machine 11, if with tube drilling rod 1C as drilling rod 1, clamping bar device device 4 then shown in Figure 10 can not use like that according to raw material, and can not realize the function of the drilling rod converter 19 installed in normal way.
Summary of the invention
The present invention is used to solve the problems referred to above of rig, thus, the purpose of this invention is to provide a kind of step tube drilling rod that can reduce the duct bending, it uses traditional clamping bar device and drilling rod converter still resembling usually, and can realize the drilling rod location at an easy rate, make connection and recovery operation effectively and safely to carry out, the present invention also provides a kind of rig that adopts this step tube drilling rod.
Be configured to following form according to step tube drilling rod of the present invention, promptly in the drilling rod of rig, the drilling rod external diameter with roughly identical with eye diameter, is shaped on external screw thread at the one end more greatly, the other end is shaped on internal thread, and is formed with a small diameter portion near female thread portion at least.
Step tube drilling rod also can be configured to following form, and promptly the drilling rod external diameter with roughly identical with eye diameter, all is shaped on external screw thread at its two ends more greatly, makes drilling rod connect by sleeve pipe, and forms a small diameter portion near male thread portion at least.
Above-mentioned step tube drilling rod can reduce the duct bending when probing, this is because its external diameter is more greatly with roughly identical with eye diameter.
In addition, at one end having the step tube drilling rod that external screw thread, the other end have internal thread, be formed with small diameter portion near on the female thread portion; Or, be shaped on small diameter portion near on the male thread portion for the step tube drilling rod that has external screw thread at two ends and connect by sleeve pipe.Therefore,, only need traditional clamping bar device is carried out a little change for this rig, just can be with step tube drilling rod as drilling rod.
For with step tube drilling rod as the rig of drilling rod, step tube drilling rod can be located at an easy rate, so just can be more effectively be connected safely and recovery operation.
After the drillman finishes, be used for the screw thread of the step tube drilling rod that is connected is loosened and pretended to hit (feigned striking).But, when screw thread is loosened thoroughly, under step tube drilling rod is fixed on state on the clamping bar device, pretend to hit.
Therefore, at one end having the step tube drilling rod that external screw thread, the other end have internal thread, the external diameter of small diameter portion preferably the drilling rod external diameter 90% or littler, and length be described drilling rod external diameter 50% or bigger.
Equally, for the step tube drilling rod that has external screw thread at two ends and connect by sleeve pipe, the external diameter of small diameter portion preferably overlap external diameter of pipe 90% or littler, and length be the cover external diameter of pipe 50% or bigger.
For described auger,, also can only step tube drilling rod be used for tip (tip-end) drilling rod except step tube drilling rod being used for the situation of all drilling rods.Even only be used at step tube drilling rod under the situation of most advanced and sophisticated drilling rod, compare the bending in the duct when also having reduced boring with adopting traditional drilling rod.
Description of drawings
Fig. 1 is the lateral view of hydraulic pressure caterpillar drilling machine, and it has adopted according to step tube drilling rod of the present invention as drilling rod;
Fig. 2 is the structure chart of described step tube drilling rod according to one embodiment of present invention;
Fig. 3 is the schematic diagram of having represented under the state of the drilled bar guide of step tube drilling rod guiding;
Fig. 4 has represented that step tube drilling rod is by the schematic diagram under the state of clamping bar device clamping;
Fig. 5 is the structure chart of described step tube drilling rod according to another embodiment of the invention;
Fig. 6 has represented that step tube drilling rod is by the schematic diagram under the state of clamping bar device clamping;
Fig. 7 is the structure chart of described step tube drilling rod according to other embodiments of the invention;
Fig. 8 is the lateral view that has adopted the hydraulic pressure caterpillar drilling machine of conventional drill;
Fig. 9 is the structure chart of conventional drill;
Figure 10 is the structure chart that is used for the clamping bar device of traditional hydraulic pressure caterpillar drilling machine;
Figure 11 has represented that traditional drilling rod is by the schematic diagram under the state of clamping bar device clamping;
Figure 12 is the structure chart that is used for the clamping bar device of traditional fan cut rig;
Figure 13 is the sectional view of cutting open along the A-A among Figure 12;
Figure 14 is the structure chart that is used for the clamping bar device of brill under traditional hole;
Figure 15 is the sectional view of cutting open along the B-B among Figure 14.
The specific embodiment
Fig. 1 is the lateral view of hydraulic pressure caterpillar drilling machine, it has adopted according to step tube drilling rod of the present invention as drilling rod, Fig. 2 is the structure chart of described step tube drilling rod according to one embodiment of present invention, Fig. 3 is the schematic diagram of having represented under the state of the drilled bar guide of step tube drilling rod guiding, and Fig. 4 has represented that step tube drilling rod is by the schematic diagram under the state of clamping bar device clamping;
The structure of hydraulic pressure caterpillar drilling machine 10 shown in Figure 1 structure with conventional hydraulic caterpillar drilling machine 11 shown in Figure 8 basically is identical.Therefore, in the description process, identical sequence number is represented components identical.
In this hydraulic pressure caterpillar drilling machine 10, same, on car 13, provide a boom 14, have a track frame 12 on the described car 13 rotating and tilt.End support at boom 14 has a guide thimble 16, and this guide thimble 16 is equipped with a rock borer 15 tilting and swing.Rock borer 15 is equipped with connection step tube drilling rod 7 as drilling rod with infix form, and on the top of step tube drilling rod 7 drill bit 3 is installed, and the external diameter of drill bit 3 is roughly identical with eye diameter Dh.
Rock borer 15 has a spraying and blowing organ, a rotating mechanism and a flushing machine (not shown).Rock borer 15 is along the longitudinal movement under the centripetal force effect that the feeding motor 17 on the guide thimble 16 applies, and will jet and rotation passes to drill bit 3 by step tube drilling rod 7, thereby rock stratum R is holed.In addition, flushing machine is supplied compressed air to remove smear metal to the top of step tube drilling rod 7.Top end at guide thimble 16 provides an escutcheon 18, with coverage hole and collect smear metal.
Under the very big situation of the length in hole, when boring work, many step tube drilling rods 7 to be coupled together continuously.By adopting drilling rod converter 19, can mechanically supply and be connected step tube drilling rod 7, and after boring, step tube drilling rod 7 be separated and recovery.
Implementing connection and reclaiming under the situation of step tube drilling rod 7, necessary clamping step tube drilling rod 7, when connecting or separate step tube drilling rod 7, the central axis of step tube drilling rod 7 being fixed, so will near the head portion of guide thimble 16, provide clamping bar device 4.
In addition, in the front of clamping bar device 4, also provide a drilling rod guide 9, it remains on central authorities with step tube drilling rod 7, to discharge at the clamping action of clamping bar device 4 and step tube drilling rod 7 to be led during boring.
Step tube drilling rod 7 has roughly identical with bore dia Dh big drilling rod outer diameter D, and at one end have external screw thread MS, the other end has internal thread FS.By external screw thread MS and internal thread FS are directly meshed, many step tube drilling rods 7 can be coupled together.In addition, near the internal whorl part, be formed with small diameter portion 8.
D≤0.9D, and
L≥0.5D
After having bored the hole, as shown in Figure 3, step tube drilling rod 7 drilled bar guides 9 lead, and remain on the central authorities of guide thimble 16.
Connecting and during recovery operation, as shown in Figure 4, step tube drilling rod 7 is positioned at clamping bar device 4 clampings on the guide thimble 16 of hydraulic pressure caterpillar drilling machine 10.
Therefore, step tube drilling rod 7 is rotated to prevent it by 4 clampings of clamping bar device, and is located by the major diameter part 5L and the diameter difference between the small diameter portion 5S of clamp 5.
Because step tube drilling rod 7 has the big outer diameter D that is substantially equal to eye diameter Dh, so contingent duct bending when having reduced boring.In addition, owing near the excircle the female thread portion, be formed with small diameter portion 8, thus for hydraulic pressure caterpillar drilling machine 10, only need traditional clamping bar device is carried out a little change, just can be with step tube drilling rod 7 as drilling rod.
For with the step tube drilling rod 7 hydraulic pressure caterpillar drilling machine 10 as drilling rod, step tube drilling rod 7 can be located at an easy rate, so just can be more effectively be connected safely and recovery operation.
Since the outside diameter d of small diameter portion 8 be the drilling rod outer diameter D 90% or littler, and length L be the drilling rod outer diameter D 50% or bigger, so when screw thread is loosened when insufficient, under step tube drilling rod 7 is fixed on state on the clamping bar device 4, still can pretends to hit and can not have problems.
Fig. 5 is the structure chart of described step tube drilling rod according to another embodiment of the invention, and Fig. 6 has represented that step tube drilling rod is by the schematic diagram under the state of clamping bar device clamping.
This step tube drilling rod 7 has roughly identical with bore dia Dh big drilling rod outer diameter D, and has external screw thread MS at two ends.Step tube drilling rod 7 couples together by the sleeve pipe 2 that inside has internal thread FS.The outer diameter D s of sleeve pipe 2 equals the drilling rod outer diameter D.
Equally, externally be formed with small diameter portion 8 near the threaded portion.Small diameter portion 8 is to form like this, promptly its outside diameter d be sleeve pipe outer diameter D s 90% or littler, its length L be sleeve pipe outer diameter D s 50% or bigger, that is,
D≤0.9Ds, and
L≥0.5Ds
Step tube drilling rod 7 can be made the shape shown in Fig. 7 (a) and 7 (b).
Connecting and during recovery operation, as shown in Figure 6, step tube drilling rod 7 is positioned at clamping bar device 4 clampings on the guide thimble 16 of hydraulic pressure caterpillar drilling machine 10.
Clamping bar device 4 has a pair of clamp 5, and they are supported with can open and close by pin 6 rotationally.On the inner surface of clamp 5, be formed with a major diameter part 5L and a small diameter portion 5S, and the part of sleeve pipe 2 in major diameter part 5L clamping.
Therefore, step tube drilling rod 7 and sleeve pipe 2 are rotated to prevent it by 4 clampings of clamping bar device, and are located by the major diameter part 5L and the diameter difference between the small diameter portion 5S of clamp 5.
Because step tube drilling rod 7 has the big outer diameter D that is substantially equal to bore dia Dh, so contingent duct bending when having reduced boring.In addition, owing near male thread portion, be formed with small diameter portion 8, thus for hydraulic pressure caterpillar drilling machine 10, only need traditional clamping bar device is carried out a little change, just can be with step tube drilling rod 7 as drilling rod.
For with the step tube drilling rod 7 hydraulic pressure caterpillar drilling machine 10 as drilling rod, step tube drilling rod 7 can be located at an easy rate, so just can be more effectively be connected safely and recovery operation.
Since the external diameter of small diameter portion 8 be sleeve pipe outer diameter D s 90% or littler, and length L be sleeve pipe outer diameter D s 50% or bigger, so when screw thread is loosened when insufficient, under step tube drilling rod 7 is fixed on state on the clamping bar device 4, still can pretends to hit and can not have problems.
For hydraulic pressure caterpillar drilling machine 10,, also can only step tube drilling rod 7 be used for most advanced and sophisticated drilling rod except step tube drilling rod 7 being used for the situation of all drilling rods.Even only be used at step tube drilling rod 7 under the situation of most advanced and sophisticated drilling rod, compare the duct bending when also having reduced boring with adopting traditional drilling rod 1.
Industrial applicibility
As mentioned above, for step tube drilling rod of the present invention, in the time of can reducing boring The duct bending. In addition, at one end with internal thread, the other end with externally threaded rank The ladder type tube drilling rod is being shaped with small diameter portion near female thread portion; And for Two ends are with external screw thread and the step tube drilling rod that connects by sleeve pipe, near outside Be shaped with small diameter portion on the threaded portion. Therefore, for this rig, only need passing The clamping bar device of system carries out a little change, just can be with step tube drilling rod as drilling rod.
For the rig that step tube drilling rod is used as drilling rod, described drilling rod can hold very much The location of changing places so just can more effectively connect and recovery operation with being connected.
Claims (6)
1. a step tube drilling rod is characterized in that, is being used for the drilling rod of rig, the drilling rod external diameter is big so that roughly the diameter with the hole is identical, have external screw thread at the one end, the other end has internal thread, and near female thread portion at least one small diameter portion of formation.
2. step tube drilling rod according to claim 1 is characterized in that, the external diameter of described small diameter portion be described drilling rod external diameter 90% or littler, and the length of described small diameter portion be described drilling rod external diameter 50% or bigger.
3. a step tube drilling rod is characterized in that, is being used for the drilling rod of rig, the drilling rod external diameter is big so that roughly identical with bore dia, all have external screw thread at its two ends, make described drilling rod connect by sleeve pipe, and near male thread portion at least one small diameter portion of formation.
4. step tube drilling rod according to claim 3 is characterized in that, the external diameter of described small diameter portion be the cover external diameter of pipe 90% or littler, and the length of described small diameter portion be described cover external diameter of pipe 50% or bigger.
5. a rig is characterized in that, it adopts according to claim 1,2,3 or 4 described step tube drilling rods as drilling rod.
6. rig according to claim 5 is characterized in that, adopts step tube drilling rod as most advanced and sophisticated drilling rod.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001130084 | 2001-04-26 | ||
| JP130084/2001 | 2001-04-26 | ||
| JP130085/2001 | 2001-04-26 | ||
| JP2001130085 | 2001-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1460145A true CN1460145A (en) | 2003-12-03 |
Family
ID=26614309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02800916A Pending CN1460145A (en) | 2001-04-26 | 2002-04-25 | Step tube drilling rod and drilling machine |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20030132035A1 (en) |
| EP (1) | EP1382794A4 (en) |
| JP (1) | JPWO2002088511A1 (en) |
| KR (1) | KR20040002377A (en) |
| CN (1) | CN1460145A (en) |
| CA (1) | CA2411253A1 (en) |
| WO (1) | WO2002088511A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105593456A (en) * | 2013-09-09 | 2016-05-18 | 山特维克知识产权股份有限公司 | Drill string component |
| CN110424899A (en) * | 2019-09-02 | 2019-11-08 | 三门峡丽源环保工程设备有限公司 | A kind of telescopic drill rod and the cleaning device for the telescopic drill rod |
| CN116122747A (en) * | 2023-02-10 | 2023-05-16 | 广东有色工程勘察设计院 | Drilling device and drilling method thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619478B (en) * | 2012-04-18 | 2014-09-03 | 江苏省无锡探矿机械总厂有限公司 | Clamp type hoisting mechanism |
| CN104018811B (en) * | 2014-05-27 | 2016-07-06 | 鞍钢集团矿业公司 | A kind of upright opening drill hole of drilling machine operation is led slag forming device and leads slag forming method |
| CN117127912B (en) * | 2023-10-23 | 2024-01-26 | 烟台兴业机械股份有限公司 | Rock drilling trolley |
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2002
- 2002-04-25 WO PCT/JP2002/004149 patent/WO2002088511A1/en not_active Application Discontinuation
- 2002-04-25 US US10/276,763 patent/US20030132035A1/en not_active Abandoned
- 2002-04-25 CN CN02800916A patent/CN1460145A/en active Pending
- 2002-04-25 KR KR1020027014169A patent/KR20040002377A/en not_active Application Discontinuation
- 2002-04-25 CA CA002411253A patent/CA2411253A1/en not_active Abandoned
- 2002-04-25 EP EP02720600A patent/EP1382794A4/en not_active Withdrawn
- 2002-04-25 JP JP2002585777A patent/JPWO2002088511A1/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105593456A (en) * | 2013-09-09 | 2016-05-18 | 山特维克知识产权股份有限公司 | Drill string component |
| CN110424899A (en) * | 2019-09-02 | 2019-11-08 | 三门峡丽源环保工程设备有限公司 | A kind of telescopic drill rod and the cleaning device for the telescopic drill rod |
| CN110424899B (en) * | 2019-09-02 | 2024-05-10 | 三门峡丽源环保工程设备有限公司 | Telescopic drill rod and cleaning device for same |
| CN116122747A (en) * | 2023-02-10 | 2023-05-16 | 广东有色工程勘察设计院 | Drilling device and drilling method thereof |
| CN116122747B (en) * | 2023-02-10 | 2023-09-05 | 广东有色工程勘察设计院 | Drilling device and drilling method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1382794A1 (en) | 2004-01-21 |
| KR20040002377A (en) | 2004-01-07 |
| WO2002088511A1 (en) | 2002-11-07 |
| EP1382794A4 (en) | 2005-07-20 |
| US20030132035A1 (en) | 2003-07-17 |
| JPWO2002088511A1 (en) | 2004-08-19 |
| CA2411253A1 (en) | 2002-10-28 |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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