FR601344A - - Google Patents
Info
- Publication number
- FR601344A FR601344A FR601344DA FR601344A FR 601344 A FR601344 A FR 601344A FR 601344D A FR601344D A FR 601344DA FR 601344 A FR601344 A FR 601344A
- Authority
- FR
- France
- 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
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
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
- E21B47/0236—Determining slope or direction of the borehole, e.g. using geomagnetism using a pendulum
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR601344A true FR601344A (en:Method) | 1926-01-27 |
Family
ID=1540458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR601344D Expired FR601344A (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR601344A (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3135743A1 (de) * | 1980-10-23 | 1982-05-19 | Sundstrand Data Control, Inc., 98052 Redmond, Wash. | Vorrichtung und verfahren zum ueberwachen eines bohrloches |
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0
- FR FR601344D patent/FR601344A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3135743A1 (de) * | 1980-10-23 | 1982-05-19 | Sundstrand Data Control, Inc., 98052 Redmond, Wash. | Vorrichtung und verfahren zum ueberwachen eines bohrloches |