NL7311343A - - Google Patents
Info
- Publication number
- NL7311343A NL7311343A NL7311343A NL7311343A NL7311343A NL 7311343 A NL7311343 A NL 7311343A NL 7311343 A NL7311343 A NL 7311343A NL 7311343 A NL7311343 A NL 7311343A NL 7311343 A NL7311343 A NL 7311343A
- Authority
- NL
- Netherlands
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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
-
- 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
- E21B10/08—Roller bits
- E21B10/083—Roller bits with longitudinal axis, e.g. wobbling or nutating roller bit
-
- 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
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
- E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
-
- 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
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)
- Soil Working Implements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7229537A FR2196428B1 (en:Method) | 1972-08-18 | 1972-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7311343A true NL7311343A (en:Method) | 1974-02-20 |
Family
ID=9103303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7311343A NL7311343A (en:Method) | 1972-08-18 | 1973-08-17 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3861477A (en:Method) |
| CA (1) | CA994750A (en:Method) |
| DE (1) | DE2341796C3 (en:Method) |
| FR (1) | FR2196428B1 (en:Method) |
| GB (1) | GB1430603A (en:Method) |
| IT (1) | IT994619B (en:Method) |
| NL (1) | NL7311343A (en:Method) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4266621A (en) * | 1977-06-22 | 1981-05-12 | Christensen, Inc. | Well casing window mill |
| EP0044817A3 (fr) * | 1980-07-23 | 1982-08-25 | René Treyvaud | Trépan pour sondage |
| BR8207803A (pt) * | 1981-08-07 | 1983-09-06 | Engtech Sa | Dispositivo de perfuracao |
| JPS59192193A (ja) * | 1983-04-14 | 1984-10-31 | 株式会社イセキ開発工機 | シールド掘進装置 |
| TR22640A (tr) * | 1984-05-22 | 1988-01-29 | Iseki Kaihatsu Koki | Tuenel acmada kullanilmak uezere bir siperin sueruelmesine mahsus usul ve cihaz |
| JPH0718316B2 (ja) * | 1988-06-22 | 1995-03-01 | 株式会社イセキ開発工機 | 穿孔方法および装置 |
| SE470177B (sv) * | 1992-03-23 | 1993-11-29 | Radi Medical Systems | Anordning för håltagning i hård vävnad och punktionsnål |
| US5402856A (en) * | 1993-12-21 | 1995-04-04 | Amoco Corporation | Anti-whirl underreamer |
| WO2003091531A1 (fr) * | 2002-04-23 | 2003-11-06 | Kingdream Public Ltd. Co. | Trepan a molettes avec broche de controle decalee par rapport a l'axe central de celui-ci |
| GB2415209B (en) * | 2004-06-18 | 2008-12-24 | Statoil Asa | Rotary drilling apparatus |
| CN104499944B (zh) * | 2014-11-26 | 2017-09-22 | 西安泾渭超硬材料有限公司 | 一种金刚石复合片扩孔器 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2511831A (en) * | 1950-06-20 | Drill bit | ||
| US1334632A (en) * | 1917-06-15 | 1920-03-23 | Rowland O Pickin | Rotary rock-drill bit |
| US1906056A (en) * | 1929-04-08 | 1933-04-25 | George E Fentress | Underreamer |
| US2667334A (en) * | 1951-03-03 | 1954-01-26 | Standard Oil Dev Co | Full hole diamond bit |
| US2619325A (en) * | 1952-01-02 | 1952-11-25 | Arutunoff Armais | Core disintegrating drilling tool |
| US2911196A (en) * | 1957-05-03 | 1959-11-03 | American Coldset Corp | Diamond drill bit |
| US2877988A (en) * | 1957-05-03 | 1959-03-17 | American Coldset Corp | Drill bit with driven auxiliary bit |
| FR1280063A (fr) * | 1960-11-17 | 1961-12-29 | Europ De Turboforage Soc | Trépan à molettes |
| GB963670A (en) * | 1962-03-01 | 1964-07-15 | Skanska Cementgjuteriet Ab | Improvements in or relating to deep drills |
| US3424258A (en) * | 1966-11-16 | 1969-01-28 | Japan Petroleum Dev Corp | Rotary bit for use in rotary drilling |
| US3429390A (en) * | 1967-05-19 | 1969-02-25 | Supercussion Drills Inc | Earth-drilling bits |
-
1972
- 1972-08-18 FR FR7229537A patent/FR2196428B1/fr not_active Expired
-
1973
- 1973-07-26 GB GB3559473A patent/GB1430603A/en not_active Expired
- 1973-07-27 US US383316A patent/US3861477A/en not_active Expired - Lifetime
- 1973-08-17 DE DE2341796A patent/DE2341796C3/de not_active Expired
- 1973-08-17 CA CA179,089A patent/CA994750A/en not_active Expired
- 1973-08-17 NL NL7311343A patent/NL7311343A/xx not_active Application Discontinuation
- 1973-08-17 IT IT69463/73A patent/IT994619B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2196428B1 (en:Method) | 1974-10-25 |
| IT994619B (it) | 1975-10-20 |
| US3861477A (en) | 1975-01-21 |
| CA994750A (en) | 1976-08-10 |
| DE2341796A1 (de) | 1974-03-07 |
| FR2196428A1 (en:Method) | 1974-03-15 |
| DE2341796B2 (de) | 1974-08-22 |
| GB1430603A (en) | 1976-03-31 |
| DE2341796C3 (de) | 1975-04-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |