EP0331978A3 - Drill pipe for a hydraulic down-hole drill hammer - Google Patents
Drill pipe for a hydraulic down-hole drill hammer Download PDFInfo
- Publication number
- EP0331978A3 EP0331978A3 EP89103122A EP89103122A EP0331978A3 EP 0331978 A3 EP0331978 A3 EP 0331978A3 EP 89103122 A EP89103122 A EP 89103122A EP 89103122 A EP89103122 A EP 89103122A EP 0331978 A3 EP0331978 A3 EP 0331978A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- drill
- hammer
- hydraulic down
- hole
- drill pipe
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/18—Pipes provided with plural fluid passages
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3807321 | 1988-03-05 | ||
DE3807321A DE3807321C1 (en) | 1988-03-05 | 1988-03-05 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0331978A2 EP0331978A2 (en) | 1989-09-13 |
EP0331978A3 true EP0331978A3 (en) | 1990-04-11 |
EP0331978B1 EP0331978B1 (en) | 1991-11-13 |
Family
ID=6349000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89103122A Expired - Lifetime EP0331978B1 (en) | 1988-03-05 | 1989-02-23 | Drill pipe for a hydraulic down-hole drill hammer |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0331978B1 (en) |
JP (1) | JPH0216288A (en) |
DE (2) | DE3807321C1 (en) |
FI (1) | FI891027A (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4027414C1 (en) * | 1990-08-30 | 1992-02-13 | Komotzki, Michael, 4708 Kamen, De | Tubular rock bore drill stem - has concentric channels for fluids and has spring-loaded control valves |
FI103688B1 (en) * | 1994-09-16 | 1999-08-13 | Winrock Tech Ltd Oy | The drill rod |
US5586609A (en) * | 1994-12-15 | 1996-12-24 | Telejet Technologies, Inc. | Method and apparatus for drilling with high-pressure, reduced solid content liquid |
AT407184B (en) * | 1996-05-20 | 2001-01-25 | Boehler Pneumatik Internat Gmb | HYDRAULIC DEEP HOLE DRILL |
SE534395C2 (en) * | 2009-12-18 | 2011-08-09 | Wassara Ab | Device for jointing of double wall drill pipes and double wall drill pipes |
GB2481848A (en) * | 2010-07-09 | 2012-01-11 | Mine Innovation Ltd | Self sealing drill rods |
WO2014019154A1 (en) * | 2012-08-01 | 2014-02-06 | 思达斯易能源技术(集团)有限公司 | Well flushing valve |
CN113006680B (en) * | 2021-03-19 | 2022-10-28 | 成都欧维恩博石油科技有限公司 | Low-pressure-loss torsion impact drilling tool and rock breaking method |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0022865A1 (en) * | 1978-12-15 | 1981-01-28 | Furukawakogyo Co.Ltd | Hydraulically-driven downhole drill |
DE3309031A1 (en) * | 1983-03-14 | 1984-09-20 | Turkmenskij naučno-issledovatel'skij geologorasvedočnyj institut, Ašchabad | Drilling appliance |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3015695A1 (en) * | 1980-04-24 | 1981-10-29 | Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter | DRILL RODS FOR A COUNTERBURNING TOOL |
-
1988
- 1988-03-05 DE DE3807321A patent/DE3807321C1/de not_active Expired
-
1989
- 1989-02-23 EP EP89103122A patent/EP0331978B1/en not_active Expired - Lifetime
- 1989-02-23 DE DE8989103122T patent/DE58900441D1/en not_active Expired - Fee Related
- 1989-03-03 JP JP1051812A patent/JPH0216288A/en active Pending
- 1989-03-03 FI FI891027A patent/FI891027A/en not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0022865A1 (en) * | 1978-12-15 | 1981-01-28 | Furukawakogyo Co.Ltd | Hydraulically-driven downhole drill |
DE3309031A1 (en) * | 1983-03-14 | 1984-09-20 | Turkmenskij naučno-issledovatel'skij geologorasvedočnyj institut, Ašchabad | Drilling appliance |
Also Published As
Publication number | Publication date |
---|---|
JPH0216288A (en) | 1990-01-19 |
FI891027A (en) | 1989-09-06 |
EP0331978B1 (en) | 1991-11-13 |
DE58900441D1 (en) | 1991-12-19 |
DE3807321C1 (en) | 1989-05-11 |
FI891027A0 (en) | 1989-03-03 |
EP0331978A2 (en) | 1989-09-13 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
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17P | Request for examination filed |
Effective date: 19900319 |
|
17Q | First examination report despatched |
Effective date: 19910411 |
|
GRAA | (expected) grant |
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ET | Fr: translation filed | ||
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BERE | Be: lapsed |
Owner name: SALZGITTER MASCHINENBAU G.M.B.H. Effective date: 19930228 |
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GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 19930223 |
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