NL7112547A - - Google Patents
Info
- Publication number
- NL7112547A NL7112547A NL7112547A NL7112547A NL7112547A NL 7112547 A NL7112547 A NL 7112547A NL 7112547 A NL7112547 A NL 7112547A NL 7112547 A NL7112547 A NL 7112547A NL 7112547 A NL7112547 A NL 7112547A
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
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)
- Recording Measured Values (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7614170A | 1970-09-28 | 1970-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7112547A true NL7112547A (enExample) | 1972-03-30 |
Family
ID=22130166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7112547A NL7112547A (enExample) | 1970-09-28 | 1971-09-13 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3698003A (enExample) |
| CA (1) | CA1023827A (enExample) |
| DE (1) | DE2145536A1 (enExample) |
| FR (1) | FR2108451A5 (enExample) |
| NL (1) | NL7112547A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3535100A1 (de) * | 1985-10-02 | 1987-04-23 | Hiss Eckart | Multifunktionssensor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3349245A (en) * | 1965-08-24 | 1967-10-24 | American Gage & Mach | Control construction to maintain a range of variables using light conducting rod |
-
1970
- 1970-09-28 US US76141A patent/US3698003A/en not_active Expired - Lifetime
-
1971
- 1971-08-26 CA CA121,430A patent/CA1023827A/en not_active Expired
- 1971-09-08 DE DE19712145536 patent/DE2145536A1/de active Pending
- 1971-09-13 NL NL7112547A patent/NL7112547A/xx unknown
- 1971-09-23 FR FR7134234A patent/FR2108451A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2145536A1 (de) | 1972-03-30 |
| FR2108451A5 (enExample) | 1972-05-19 |
| CA1023827A (en) | 1978-01-03 |
| US3698003A (en) | 1972-10-10 |