AU439742B2 - Improvements in or relating to drill bit and inserts therefor - Google Patents
Improvements in or relating to drill bit and inserts thereforInfo
- Publication number
- AU439742B2 AU439742B2 AU34878/68A AU3487868A AU439742B2 AU 439742 B2 AU439742 B2 AU 439742B2 AU 34878/68 A AU34878/68 A AU 34878/68A AU 3487868 A AU3487868 A AU 3487868A AU 439742 B2 AU439742 B2 AU 439742B2
- Authority
- AU
- Australia
- Prior art keywords
- relating
- drill bit
- inserts therefor
- therefor
- inserts
- 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.)
- Expired
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
- 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
- E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU34878/68A AU439742B2 (en) | 1968-03-13 | 1968-03-13 | Improvements in or relating to drill bit and inserts therefor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU34878/68A AU439742B2 (en) | 1968-03-13 | 1968-03-13 | Improvements in or relating to drill bit and inserts therefor |
Publications (2)
Publication Number | Publication Date |
---|---|
AU3487868A AU3487868A (en) | 1969-09-18 |
AU439742B2 true AU439742B2 (en) | 1973-08-23 |
Family
ID=3722112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU34878/68A Expired AU439742B2 (en) | 1968-03-13 | 1968-03-13 | Improvements in or relating to drill bit and inserts therefor |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU439742B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU574459B2 (en) * | 1982-01-08 | 1988-07-07 | Smith International, Inc. | Air lubricated roller cone rock bit with cutouts for chip removal |
-
1968
- 1968-03-13 AU AU34878/68A patent/AU439742B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU574459B2 (en) * | 1982-01-08 | 1988-07-07 | Smith International, Inc. | Air lubricated roller cone rock bit with cutouts for chip removal |
Also Published As
Publication number | Publication date |
---|---|
AU3487868A (en) | 1969-09-18 |
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