AU574459B2 - Air lubricated roller cone rock bit with cutouts for chip removal - Google Patents
Air lubricated roller cone rock bit with cutouts for chip removalInfo
- Publication number
- AU574459B2 AU574459B2 AU41856/85A AU4185685A AU574459B2 AU 574459 B2 AU574459 B2 AU 574459B2 AU 41856/85 A AU41856/85 A AU 41856/85A AU 4185685 A AU4185685 A AU 4185685A AU 574459 B2 AU574459 B2 AU 574459B2
- Authority
- AU
- Australia
- Prior art keywords
- cutouts
- chip removal
- roller cone
- rock bit
- cone rock
- 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.)
- Ceased
Links
- 239000011435 rock Substances 0.000 title 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
-
- 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)
- 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 |
---|---|---|---|
US33792982A | 1982-01-08 | 1982-01-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU4185685A AU4185685A (en) | 1986-11-13 |
AU574459B2 true AU574459B2 (en) | 1988-07-07 |
Family
ID=23322633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU41856/85A Ceased AU574459B2 (en) | 1982-01-08 | 1985-04-29 | Air lubricated roller cone rock bit with cutouts for chip removal |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU574459B2 (en) |
CA (1) | CA1231091A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5016719A (en) * | 1990-01-24 | 1991-05-21 | Western Rock Bit Company Limited | Rotary cone type rock bits |
CN109519128B (en) * | 2019-01-18 | 2024-02-23 | 沧州格锐特钻头有限公司 | Composite drill bit with cone-PDC cutting structure |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU439742B2 (en) * | 1968-03-13 | 1973-08-23 | Improvements in or relating to drill bit and inserts therefor | |
WO1983000524A1 (en) * | 1981-08-07 | 1983-02-17 | Kaalstad, Oscar, William | Drilling device |
-
1985
- 1985-04-26 CA CA000480240A patent/CA1231091A/en not_active Expired
- 1985-04-29 AU AU41856/85A patent/AU574459B2/en not_active Ceased
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU439742B2 (en) * | 1968-03-13 | 1973-08-23 | Improvements in or relating to drill bit and inserts therefor | |
WO1983000524A1 (en) * | 1981-08-07 | 1983-02-17 | Kaalstad, Oscar, William | Drilling device |
Also Published As
Publication number | Publication date |
---|---|
AU4185685A (en) | 1986-11-13 |
CA1231091A (en) | 1988-01-05 |
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