SE8101693L - Rullborrkrona - Google Patents
RullborrkronaInfo
- Publication number
- SE8101693L SE8101693L SE8101693A SE8101693A SE8101693L SE 8101693 L SE8101693 L SE 8101693L SE 8101693 A SE8101693 A SE 8101693A SE 8101693 A SE8101693 A SE 8101693A SE 8101693 L SE8101693 L SE 8101693L
- Authority
- SE
- Sweden
- Prior art keywords
- drill bit
- soft
- rotary drill
- jetting system
- bit
- Prior art date
Links
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 2
- 238000005755 formation reaction Methods 0.000 abstract 2
- 238000005553 drilling Methods 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 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
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Harvester Elements (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13295080A | 1980-03-24 | 1980-03-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE8101693L true SE8101693L (sv) | 1981-09-25 |
Family
ID=22456319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8101693A SE8101693L (sv) | 1980-03-24 | 1981-03-17 | Rullborrkrona |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE888071A (fr) |
CA (1) | CA1164855A (fr) |
FR (1) | FR2478730A1 (fr) |
GB (1) | GB2072243A (fr) |
IT (1) | IT1143393B (fr) |
NO (1) | NO158589C (fr) |
SE (1) | SE8101693L (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4546837A (en) * | 1980-03-24 | 1985-10-15 | Reed Tool Company | Drill bit having angled nozzles for improved bit and well bore cleaning |
FR2609099B1 (fr) * | 1986-12-31 | 1989-12-08 | Inst Francais Du Petrole | Outil de forage a jet incline |
DE69519625D1 (de) * | 1995-03-27 | 2001-01-18 | Clifford Ross Gray | Bohrmeissel für Bohrvorgänge |
US6354387B1 (en) * | 1999-02-25 | 2002-03-12 | Baker Hughes Incorporated | Nozzle orientation for roller cone rock bit |
US8011292B1 (en) | 2006-01-18 | 2011-09-06 | Sigma Industries, Inc. | Insulated cooking utensil |
CN110067516B (zh) * | 2019-05-22 | 2024-03-22 | 倪政敏 | 一种快速冲击-刮切复合式破岩pdc钻头 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3070182A (en) * | 1961-09-21 | 1962-12-25 | John F Runte | Self-cleaning fluid circulating drill bit |
US3923109A (en) * | 1975-02-24 | 1975-12-02 | Jr Edward B Williams | Drill tool |
US4106577A (en) * | 1977-06-20 | 1978-08-15 | The Curators Of The University Of Missouri | Hydromechanical drilling device |
-
1980
- 1980-11-26 CA CA000365502A patent/CA1164855A/fr not_active Expired
-
1981
- 1981-03-17 NO NO810914A patent/NO158589C/no unknown
- 1981-03-17 GB GB8108269A patent/GB2072243A/en not_active Withdrawn
- 1981-03-17 SE SE8101693A patent/SE8101693L/ not_active Application Discontinuation
- 1981-03-23 FR FR8105722A patent/FR2478730A1/fr not_active Withdrawn
- 1981-03-23 BE BE2/59071A patent/BE888071A/fr not_active IP Right Cessation
- 1981-03-23 IT IT67401/81A patent/IT1143393B/it active
Also Published As
Publication number | Publication date |
---|---|
GB2072243A (en) | 1981-09-30 |
NO810914L (no) | 1981-09-25 |
CA1164855A (fr) | 1984-04-03 |
FR2478730A1 (fr) | 1981-09-25 |
IT8167401A0 (it) | 1981-03-23 |
IT1143393B (it) | 1986-10-22 |
NO158589C (no) | 1988-10-05 |
NO158589B (no) | 1988-06-27 |
BE888071A (fr) | 1981-07-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8101693-3 |