NL6907930A - - Google Patents
Info
- Publication number
- NL6907930A NL6907930A NL6907930A NL6907930A NL6907930A NL 6907930 A NL6907930 A NL 6907930A NL 6907930 A NL6907930 A NL 6907930A NL 6907930 A NL6907930 A NL 6907930A NL 6907930 A NL6907930 A NL 6907930A
- Authority
- NL
- Netherlands
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
- E21B12/00—Accessories for drilling tools
- E21B12/02—Wear indicators
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21H—OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES, NOT OTHERWISE PROVIDED FOR; UTILISING COSMIC RADIATION
- G21H5/00—Applications of radiation from radioactive sources or arrangements therefor, not otherwise provided for
- G21H5/02—Applications of radiation from radioactive sources or arrangements therefor, not otherwise provided for as tracers
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- High Energy & Nuclear Physics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Medicinal Preparation (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681758499 DE1758499A1 (de) | 1968-06-14 | 1968-06-14 | Mischung aus einer radioaktiven Substanz und einem Treibmittel fuer die Markierung von Tiefbohrwerkzeugen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6907930A true NL6907930A (de) | 1969-12-16 |
Family
ID=5695068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6907930A NL6907930A (de) | 1968-06-14 | 1969-05-23 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1758499A1 (de) |
| FR (1) | FR2010946A1 (de) |
| GB (1) | GB1276311A (de) |
| NL (1) | NL6907930A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7464771B2 (en) | 2006-06-30 | 2008-12-16 | Baker Hughes Incorporated | Downhole abrading tool having taggants for indicating excessive wear |
| US7565928B2 (en) | 2006-06-30 | 2009-07-28 | Baker Hughes Incorporated | Downhole abrading tool having a taggant injection assembly for indicating excessive wear |
| US7404457B2 (en) * | 2006-06-30 | 2008-07-29 | Baker Huges Incorporated | Downhole abrading tools having fusible material and methods of detecting tool wear |
| US7424910B2 (en) | 2006-06-30 | 2008-09-16 | Baker Hughes Incorporated | Downhole abrading tools having a hydrostatic chamber and uses therefor |
| US7484571B2 (en) | 2006-06-30 | 2009-02-03 | Baker Hughes Incorporated | Downhole abrading tools having excessive wear indicator |
| US9169697B2 (en) | 2012-03-27 | 2015-10-27 | Baker Hughes Incorporated | Identification emitters for determining mill life of a downhole tool and methods of using same |
-
1968
- 1968-06-14 DE DE19681758499 patent/DE1758499A1/de active Pending
-
1969
- 1969-05-23 NL NL6907930A patent/NL6907930A/xx unknown
- 1969-06-10 GB GB2927369A patent/GB1276311A/en not_active Expired
- 1969-06-16 FR FR6919944A patent/FR2010946A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2010946A1 (de) | 1970-02-20 |
| GB1276311A (en) | 1972-06-01 |
| DE1758499A1 (de) | 1971-02-11 |