CH386365A - Couronne de sondage - Google Patents
Couronne de sondageInfo
- Publication number
- CH386365A CH386365A CH1059262A CH1059262A CH386365A CH 386365 A CH386365 A CH 386365A CH 1059262 A CH1059262 A CH 1059262A CH 1059262 A CH1059262 A CH 1059262A CH 386365 A CH386365 A CH 386365A
- Authority
- CH
- Switzerland
- Prior art keywords
- poll
- crown
- poll crown
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
- B24D7/14—Zonally-graded wheels; Composite wheels comprising different abrasives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
- B24D7/10—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor with cooling provisions
-
- 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
-
- 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
- E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
-
- 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
- E21B10/60—Drill 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)
- Drilling Tools (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE486952 | 1961-11-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH386365A true CH386365A (fr) | 1965-01-15 |
Family
ID=3844619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1059262A CH386365A (fr) | 1961-11-24 | 1962-09-06 | Couronne de sondage |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH386365A (fr) |
GB (1) | GB980799A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106392870A (zh) * | 2016-12-15 | 2017-02-15 | 东旭科技集团有限公司 | 研磨刀具 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5269694U (fr) * | 1975-11-19 | 1977-05-24 | ||
US4109737A (en) * | 1976-06-24 | 1978-08-29 | General Electric Company | Rotary drill bit |
US4373593A (en) * | 1979-03-16 | 1983-02-15 | Christensen, Inc. | Drill bit |
DE3111156C1 (de) * | 1981-03-21 | 1983-04-14 | Christensen, Inc., 84115 Salt Lake City, Utah | Schneidglied fuer Drehbohrmeissel zum Tiefbohren in Erdformationen |
GB8432587D0 (en) * | 1984-12-22 | 1985-02-06 | Nl Petroleum Prod | Cutting elements for rotary drill bits |
US4852671A (en) * | 1987-03-17 | 1989-08-01 | Diamant Boart-Stratabit (Usa) Inc. | Diamond cutting element |
US5027912A (en) * | 1988-07-06 | 1991-07-02 | Baker Hughes Incorporated | Drill bit having improved cutter configuration |
JP6194600B2 (ja) * | 2013-02-15 | 2017-09-13 | 山形県 | 複合めっき被膜およびそれを用いた薄型砥石 |
CN106903807A (zh) * | 2017-05-03 | 2017-06-30 | 金代圣 | 金刚石钻头 |
-
1962
- 1962-09-06 CH CH1059262A patent/CH386365A/fr unknown
- 1962-10-15 GB GB3900662A patent/GB980799A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106392870A (zh) * | 2016-12-15 | 2017-02-15 | 东旭科技集团有限公司 | 研磨刀具 |
Also Published As
Publication number | Publication date |
---|---|
GB980799A (en) | 1965-01-20 |
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