ZA200907181B - Drilling tool and drilling method - Google Patents
Drilling tool and drilling method Download PDFInfo
- Publication number
- ZA200907181B ZA200907181B ZA200907181A ZA200907181A ZA200907181B ZA 200907181 B ZA200907181 B ZA 200907181B ZA 200907181 A ZA200907181 A ZA 200907181A ZA 200907181 A ZA200907181 A ZA 200907181A ZA 200907181 B ZA200907181 B ZA 200907181B
- Authority
- ZA
- South Africa
- Prior art keywords
- pressure
- flow
- rinsing
- drilling
- fluid
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title claims description 64
- 238000000034 method Methods 0.000 title claims description 10
- 239000012530 fluid Substances 0.000 claims description 66
- 230000001419 dependent effect Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000005755 formation reaction Methods 0.000 claims description 6
- 239000011435 rock Substances 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- -1 e.g. Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011144 upstream manufacturing 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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/02—Automatic control of the tool feed
- E21B44/06—Automatic control of the tool feed in response to the flow or pressure of the motive fluid of the drive
-
- 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
- E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom 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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/02—Automatic control of the tool feed
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)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008042846A DE102008042846A1 (de) | 2008-10-15 | 2008-10-15 | Bohrvorrichtung und Bohrverfahren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200907181B true ZA200907181B (en) | 2010-07-28 |
Family
ID=42077079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200907181A ZA200907181B (en) | 2008-10-15 | 2009-10-14 | Drilling tool and drilling method |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8146681B2 (de) |
| EP (1) | EP2186994B1 (de) |
| AU (1) | AU2009222529B2 (de) |
| DE (1) | DE102008042846A1 (de) |
| ZA (1) | ZA200907181B (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2615552C1 (ru) | 2013-10-31 | 2017-04-05 | Халлибертон Энерджи Сервисез, Инк. | Гидравлическое управление развертыванием скважинного инструмента |
| US10350608B2 (en) | 2016-05-03 | 2019-07-16 | Vermeer Manufacturing Company | In-feed systems for chippers or grinders, and chippers and grinders having same |
| AU2018102160A4 (en) | 2017-07-31 | 2020-03-05 | Milwaukee Electric Tool Corporation | Rotary power tool |
| WO2019036521A1 (en) | 2017-08-15 | 2019-02-21 | Vermeer Manufacturing Company | FEEDING SYSTEM FOR SHREDDERS OR SHREDDERS, AND SHREDDERS AND SHREDDERS HAVING SAME |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2843361A (en) * | 1954-11-22 | 1958-07-15 | Goodman Mfg Co | Drilling system |
| FR2250014A1 (de) * | 1973-11-07 | 1975-05-30 | Secoma | |
| DE2742851C2 (de) | 1977-09-23 | 1985-04-18 | Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter | Hydraulische Bohrmaschine |
| DE2855575C2 (de) * | 1978-12-22 | 1985-11-21 | Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter | Hydraulische Bohrmaschine |
| FI830402L (fi) * | 1983-02-04 | 1984-09-13 | Tampella Oy Ab | Foerfarande och anordning foer styrning av funktionen av en borrmaskins matningsmotor. |
| FI86008C (fi) | 1989-04-06 | 1992-06-25 | Tampella Oy Ab | Foerfarande och anordning foer reglering av en bergborrningsmaskin. |
| FI87830C (fi) | 1991-05-23 | 1993-02-25 | Tamrock Oy | Foerfarande och anordning foer styrande av en bergborrmaskins luftmatning |
| FI962402A (fi) * | 1996-06-10 | 1997-12-11 | Tamrock Oy | Menetelmä ja sovitelma dieselhydraulisella voimalähteellä varustetun kallionporauslaitteen toiminnan ohjaamiseksi |
| US6637522B2 (en) | 1998-11-24 | 2003-10-28 | J. H. Fletcher & Co., Inc. | Enhanced computer control of in-situ drilling system |
| FI112525B (fi) * | 2002-02-22 | 2003-12-15 | Sandvik Tamrock Oy | Järjestely iskevän kallionporauksen ohjaamiseksi |
-
2008
- 2008-10-15 DE DE102008042846A patent/DE102008042846A1/de not_active Ceased
-
2009
- 2009-09-29 EP EP09171656A patent/EP2186994B1/de not_active Not-in-force
- 2009-10-02 AU AU2009222529A patent/AU2009222529B2/en not_active Ceased
- 2009-10-14 US US12/587,914 patent/US8146681B2/en not_active Expired - Fee Related
- 2009-10-14 ZA ZA200907181A patent/ZA200907181B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU2009222529A1 (en) | 2010-04-29 |
| EP2186994A2 (de) | 2010-05-19 |
| EP2186994A3 (de) | 2011-10-12 |
| DE102008042846A1 (de) | 2010-06-02 |
| US20100089644A1 (en) | 2010-04-15 |
| US8146681B2 (en) | 2012-04-03 |
| AU2009222529B2 (en) | 2012-04-12 |
| EP2186994B1 (de) | 2013-03-20 |
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