DE2943087C2 - - Google Patents
Info
- Publication number
- DE2943087C2 DE2943087C2 DE2943087A DE2943087A DE2943087C2 DE 2943087 C2 DE2943087 C2 DE 2943087C2 DE 2943087 A DE2943087 A DE 2943087A DE 2943087 A DE2943087 A DE 2943087A DE 2943087 C2 DE2943087 C2 DE 2943087C2
- Authority
- DE
- Germany
- Prior art keywords
- impact
- liquid column
- pipe
- drilling device
- liquid
- 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.)
- Expired
Links
- 239000007788 liquid Substances 0.000 claims description 67
- 238000005553 drilling Methods 0.000 claims description 36
- 238000009527 percussion Methods 0.000 claims description 14
- 238000011010 flushing procedure Methods 0.000 claims description 12
- 239000012530 fluid Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000035939 shock Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000035559 beat frequency Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003716 rejuvenation Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D9/06—Means for driving the impulse member
- B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
-
- 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
- E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792943087 DE2943087A1 (de) | 1979-10-25 | 1979-10-25 | Schlagbohrvorrichtung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792943087 DE2943087A1 (de) | 1979-10-25 | 1979-10-25 | Schlagbohrvorrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2943087A1 DE2943087A1 (de) | 1981-05-14 |
| DE2943087C2 true DE2943087C2 (enrdf_load_stackoverflow) | 1987-05-21 |
Family
ID=6084332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792943087 Granted DE2943087A1 (de) | 1979-10-25 | 1979-10-25 | Schlagbohrvorrichtung |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2943087A1 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4131070A1 (de) * | 1991-09-18 | 1992-02-20 | Ingenieurkontor Fuer Maschinen | Hydraulisch getriebener schlagbohrhammer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2802874C2 (de) * | 1978-01-24 | 1986-11-20 | Ing. Günter Klemm, Spezialunternehmen für Bohrtechnik, 5962 Drolshagen | Gesteinsbohreinrichtung |
-
1979
- 1979-10-25 DE DE19792943087 patent/DE2943087A1/de active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4131070A1 (de) * | 1991-09-18 | 1992-02-20 | Ingenieurkontor Fuer Maschinen | Hydraulisch getriebener schlagbohrhammer |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2943087A1 (de) | 1981-05-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |