SU473797A1 - Буровое шарошечное долото - Google Patents
Буровое шарошечное долотоInfo
- Publication number
- SU473797A1 SU473797A1 SU1884253A SU1884253A SU473797A1 SU 473797 A1 SU473797 A1 SU 473797A1 SU 1884253 A SU1884253 A SU 1884253A SU 1884253 A SU1884253 A SU 1884253A SU 473797 A1 SU473797 A1 SU 473797A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- roller bit
- bit chisel
- chisel
- roller
- ball chip
- Prior art date
Links
Description
(54) БУРОВОЕ ШАРОШЕЧНОЕ ДОЛОТО
иг./
Фиг..
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1884253A SU473797A1 (ru) | 1973-02-16 | 1973-02-16 | Буровое шарошечное долото |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1884253A SU473797A1 (ru) | 1973-02-16 | 1973-02-16 | Буровое шарошечное долото |
Publications (1)
Publication Number | Publication Date |
---|---|
SU473797A1 true SU473797A1 (ru) | 1975-06-14 |
Family
ID=20542839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1884253A SU473797A1 (ru) | 1973-02-16 | 1973-02-16 | Буровое шарошечное долото |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU473797A1 (ru) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5131480A (en) * | 1990-07-10 | 1992-07-21 | Smith International, Inc. | Rotary cone milled tooth bit with heel row cutter inserts |
US5542485A (en) * | 1993-07-08 | 1996-08-06 | Baker Hughes Incorporated | Earth-boring bit with improved cutting structure |
WO1997038204A1 (en) * | 1996-04-10 | 1997-10-16 | Smith International, Inc. | Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty |
US5695018A (en) * | 1995-09-13 | 1997-12-09 | Baker Hughes Incorporated | Earth-boring bit with negative offset and inverted gage cutting elements |
US5967245A (en) * | 1996-06-21 | 1999-10-19 | Smith International, Inc. | Rolling cone bit having gage and nestled gage cutter elements having enhancements in materials and geometry to optimize borehole corner cutting duty |
-
1973
- 1973-02-16 SU SU1884253A patent/SU473797A1/ru active
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5131480A (en) * | 1990-07-10 | 1992-07-21 | Smith International, Inc. | Rotary cone milled tooth bit with heel row cutter inserts |
US5542485A (en) * | 1993-07-08 | 1996-08-06 | Baker Hughes Incorporated | Earth-boring bit with improved cutting structure |
US5695018A (en) * | 1995-09-13 | 1997-12-09 | Baker Hughes Incorporated | Earth-boring bit with negative offset and inverted gage cutting elements |
WO1997038204A1 (en) * | 1996-04-10 | 1997-10-16 | Smith International, Inc. | Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty |
GB2314870A (en) * | 1996-04-10 | 1998-01-14 | Smith International | Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty |
US5833020A (en) * | 1996-04-10 | 1998-11-10 | Smith International, Inc. | Rolling cone bit with enhancements in cutter element placement and materials to optimize borehole corner cutting duty |
GB2314870B (en) * | 1996-04-10 | 2000-09-27 | Smith International | Rolling cone bit |
US6390210B1 (en) | 1996-04-10 | 2002-05-21 | Smith International, Inc. | Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty |
US6510909B2 (en) * | 1996-04-10 | 2003-01-28 | Smith International, Inc. | Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty |
US5967245A (en) * | 1996-06-21 | 1999-10-19 | Smith International, Inc. | Rolling cone bit having gage and nestled gage cutter elements having enhancements in materials and geometry to optimize borehole corner cutting duty |
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