FI891027A - Tillaeggsborrstaong foer en hydraulisk haolborrhammare. - Google Patents
Tillaeggsborrstaong foer en hydraulisk haolborrhammare. Download PDFInfo
- Publication number
- FI891027A FI891027A FI891027A FI891027A FI891027A FI 891027 A FI891027 A FI 891027A FI 891027 A FI891027 A FI 891027A FI 891027 A FI891027 A FI 891027A FI 891027 A FI891027 A FI 891027A
- Authority
- FI
- Finland
- Prior art keywords
- tillaeggsborrstaong
- haolborrhammare
- hydraulisk
- foer
- tillaeggsborrstaong foer
- Prior art date
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3807321A DE3807321C1 (pt) | 1988-03-05 | 1988-03-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI891027A0 FI891027A0 (fi) | 1989-03-03 |
FI891027A true FI891027A (fi) | 1989-09-06 |
Family
ID=6349000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI891027A FI891027A (fi) | 1988-03-05 | 1989-03-03 | Tillaeggsborrstaong foer en hydraulisk haolborrhammare. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0331978B1 (pt) |
JP (1) | JPH0216288A (pt) |
DE (2) | DE3807321C1 (pt) |
FI (1) | FI891027A (pt) |
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 |
FI103688B (fi) * | 1994-09-16 | 1999-08-13 | Atlas Copco Secoroc Ab | Poratanko |
US5586609A (en) * | 1994-12-15 | 1996-12-24 | Telejet Technologies, Inc. | Method and apparatus for drilling with high-pressure, reduced solid content liquid |
AT407184B (de) * | 1996-05-20 | 2001-01-25 | Boehler Pneumatik Internat Gmb | Hydraulischer tieflochbohrhammer |
SE534395C2 (sv) * | 2009-12-18 | 2011-08-09 | Wassara Ab | Anordning vid skarvning av dubbelväggiga borrör samt dubbelväggigt borrör |
GB2481848A (en) * | 2010-07-09 | 2012-01-11 | Mine Innovation Ltd | Self sealing drill rods |
WO2014019154A1 (zh) * | 2012-08-01 | 2014-02-06 | 思达斯易能源技术(集团)有限公司 | 洗井阀 |
CN113006680B (zh) * | 2021-03-19 | 2022-10-28 | 成都欧维恩博石油科技有限公司 | 一种低压耗扭力冲击钻井工具及破岩方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0022865B1 (en) * | 1978-12-15 | 1984-08-01 | Furukawakogyo Co.Ltd | Hydraulically-driven downhole drill |
DE3015695A1 (de) * | 1980-04-24 | 1981-10-29 | Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter | Bohrgestaenge fuer ein senkbohrwerkzeug |
DE3309031C2 (de) * | 1983-03-14 | 1986-07-31 | Turkmenskij naučno-issledovatel'skij geologorasvedočnyj institut, Ašchabad | Bohrgerät zum Erdbohren und Testen von Grundwasserhorizonten |
-
1988
- 1988-03-05 DE DE3807321A patent/DE3807321C1/de not_active Expired
-
1989
- 1989-02-23 DE DE8989103122T patent/DE58900441D1/de not_active Expired - Fee Related
- 1989-02-23 EP EP89103122A patent/EP0331978B1/de not_active Expired - Lifetime
- 1989-03-03 FI FI891027A patent/FI891027A/fi not_active Application Discontinuation
- 1989-03-03 JP JP1051812A patent/JPH0216288A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE58900441D1 (de) | 1991-12-19 |
JPH0216288A (ja) | 1990-01-19 |
DE3807321C1 (pt) | 1989-05-11 |
EP0331978A3 (en) | 1990-04-11 |
EP0331978A2 (de) | 1989-09-13 |
FI891027A0 (fi) | 1989-03-03 |
EP0331978B1 (de) | 1991-11-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |
Owner name: SALZGITTER MASCHINENBAU GMBH |