EP2370660A4 - Method and apparatus for down-the-hole drilling - Google Patents
Method and apparatus for down-the-hole drilling Download PDFInfo
- Publication number
- EP2370660A4 EP2370660A4 EP09832986.5A EP09832986A EP2370660A4 EP 2370660 A4 EP2370660 A4 EP 2370660A4 EP 09832986 A EP09832986 A EP 09832986A EP 2370660 A4 EP2370660 A4 EP 2370660A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- hole drilling
- drilling
- hole
- 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
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
- E21B10/60—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
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/265—Bi-center drill bits, i.e. an integral bit and eccentric reamer used to simultaneously drill and underream the hole
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous 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
- 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
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20086206A FI20086206A0 (en) | 2008-12-17 | 2008-12-17 | Method and equipment for submersible drilling |
| PCT/FI2009/050820 WO2010070190A1 (en) | 2008-12-17 | 2009-10-13 | Method and apparatus for down-the-hole drilling |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP2370660A1 EP2370660A1 (en) | 2011-10-05 |
| EP2370660A4 true EP2370660A4 (en) | 2018-02-21 |
| EP2370660B1 EP2370660B1 (en) | 2020-07-15 |
Family
ID=40240604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09832986.5A Active EP2370660B1 (en) | 2008-12-17 | 2009-10-13 | Method and apparatus for down-the-hole drilling |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2370660B1 (en) |
| FI (1) | FI20086206A0 (en) |
| WO (1) | WO2010070190A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI20106154A0 (en) * | 2010-11-03 | 2010-11-03 | Atlas Copco Rotex Ab Oy | Method and apparatus for connecting a ground pipe to the ground |
| CN102477846B (en) * | 2010-11-27 | 2014-04-30 | 中铁西北科学研究院有限公司 | Soil-layer broaching bit |
| FI128818B (en) * | 2015-11-26 | 2020-12-31 | Oy Epiroc Drilling Tools Ab | METHOD OF DRILLING AND DRILLING DEVICE |
| FI128986B (en) * | 2017-03-01 | 2021-04-30 | Robit Oyj | DRILLING FOR SLOW DRILLING, DRILLING COMPOSITION, AND PROCEDURES FOR PRODUCING SUCH DRILLING BET |
| CN110263497B (en) * | 2019-07-19 | 2021-12-07 | 南京航空航天大学 | Pneumatic coupling influence analysis method based on relative gain |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996015351A1 (en) * | 1994-11-14 | 1996-05-23 | Ilomaeki Valto | A drilling apparatus bit assembly and method to remove drill waste |
| FI98650B (en) * | 1995-11-06 | 1997-04-15 | Valto Ilomaeki | Drill unit with hammering device |
| WO2006131339A1 (en) * | 2005-06-10 | 2006-12-14 | Geomechanik Wasser- Und Umwelttechnik Gmbh | Dth-hammer drilling device and overburden drilling method |
| FR2889556A1 (en) * | 2005-08-04 | 2007-02-09 | Gerard Arsonnet | Well drilling device for measuring parameter e.g. pressure at ground level, has fluid injecting unit constituted of pipe mounted in cooperation with drilling tool so that pressurized fluid output openings are situated at level of tool |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE421551B (en) | 1980-03-26 | 1982-01-04 | Sandvik Ab | DRILLING TOOL FOR ROTATION AND / OR DRILLING |
| DE3039633C2 (en) * | 1980-10-21 | 1983-08-18 | Christensen, Inc., 84115 Salt Lake City, Utah | Rotary drill bits, in particular for deep drilling |
| FR2566832B1 (en) * | 1984-06-27 | 1986-11-14 | Inst Francais Du Petrole | METHOD AND IMPROVEMENT IN DRILLING TOOLS PROVIDING HIGH EFFICIENCY IN CLEANING THE PRUNING FRONT |
| FI95618C (en) | 1992-12-03 | 1998-09-03 | Jorma Jaervelae | drilling device |
| EP1337734B1 (en) * | 2000-11-27 | 2011-04-06 | Shell Internationale Research Maatschappij B.V. | Drill bit |
-
2008
- 2008-12-17 FI FI20086206A patent/FI20086206A0/en not_active Application Discontinuation
-
2009
- 2009-10-13 WO PCT/FI2009/050820 patent/WO2010070190A1/en not_active Ceased
- 2009-10-13 EP EP09832986.5A patent/EP2370660B1/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996015351A1 (en) * | 1994-11-14 | 1996-05-23 | Ilomaeki Valto | A drilling apparatus bit assembly and method to remove drill waste |
| FI98650B (en) * | 1995-11-06 | 1997-04-15 | Valto Ilomaeki | Drill unit with hammering device |
| WO2006131339A1 (en) * | 2005-06-10 | 2006-12-14 | Geomechanik Wasser- Und Umwelttechnik Gmbh | Dth-hammer drilling device and overburden drilling method |
| FR2889556A1 (en) * | 2005-08-04 | 2007-02-09 | Gerard Arsonnet | Well drilling device for measuring parameter e.g. pressure at ground level, has fluid injecting unit constituted of pipe mounted in cooperation with drilling tool so that pressurized fluid output openings are situated at level of tool |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2010070190A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2370660B1 (en) | 2020-07-15 |
| EP2370660A1 (en) | 2011-10-05 |
| WO2010070190A1 (en) | 2010-06-24 |
| FI20086206A0 (en) | 2008-12-17 |
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| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: OY EPIROC DRILLING TOOLS AB |
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| RA4 | Supplementary search report drawn up and despatched (corrected) |
Effective date: 20180123 |
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