GB2384266B - Drill bit - Google Patents
Drill bitInfo
- Publication number
- GB2384266B GB2384266B GB0309627A GB0309627A GB2384266B GB 2384266 B GB2384266 B GB 2384266B GB 0309627 A GB0309627 A GB 0309627A GB 0309627 A GB0309627 A GB 0309627A GB 2384266 B GB2384266 B GB 2384266B
- Authority
- GB
- United Kingdom
- Prior art keywords
- drill bit
- drill
- bit
- 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 - Fee Related
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
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
- E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details
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)
- Sealing Devices (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11823999P | 1999-02-02 | 1999-02-02 | |
GB0002397A GB2347701B (en) | 1999-02-02 | 2000-02-02 | Drill bit |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2384266A GB2384266A (en) | 2003-07-23 |
GB2384266B true GB2384266B (en) | 2003-10-01 |
Family
ID=26243549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0309627A Expired - Fee Related GB2384266B (en) | 1999-02-02 | 2000-02-02 | Drill bit |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2384266B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109469446A (en) * | 2019-01-25 | 2019-03-15 | 沧州格锐特钻头有限公司 | A kind of rock bit with chip removal structure |
CN110984864B (en) * | 2019-12-25 | 2022-03-15 | 西南石油大学 | Roller bit seal structure |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB949857A (en) * | 1961-01-03 | 1964-02-19 | Hughes Tool Co | Seal |
GB1210874A (en) * | 1967-03-23 | 1970-11-04 | Smith Ind International Inc | Shaft seal |
GB2119036A (en) * | 1982-04-20 | 1983-11-09 | Reed Rock Bit Co | Dynamic seal for rolling cutter drill bit |
GB2316110A (en) * | 1996-08-06 | 1998-02-18 | Baker Hughes Inc | Metal face seal for earth boring bits |
-
2000
- 2000-02-02 GB GB0309627A patent/GB2384266B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB949857A (en) * | 1961-01-03 | 1964-02-19 | Hughes Tool Co | Seal |
GB1210874A (en) * | 1967-03-23 | 1970-11-04 | Smith Ind International Inc | Shaft seal |
GB2119036A (en) * | 1982-04-20 | 1983-11-09 | Reed Rock Bit Co | Dynamic seal for rolling cutter drill bit |
GB2316110A (en) * | 1996-08-06 | 1998-02-18 | Baker Hughes Inc | Metal face seal for earth boring bits |
Also Published As
Publication number | Publication date |
---|---|
GB2384266A (en) | 2003-07-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20160202 |