BE642897A - - Google Patents
Info
- Publication number
- BE642897A BE642897A BE642897DA BE642897A BE 642897 A BE642897 A BE 642897A BE 642897D A BE642897D A BE 642897DA BE 642897 A BE642897 A BE 642897A
- Authority
- BE
- Belgium
- Prior art keywords
- magnetic
- head piece
- desc
- field
- face
- Prior art date
Links
- 230000004907 flux Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- 241000408529 Libra Species 0.000 claims 1
- 239000012634 fragment Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 4
- 239000000523 sample Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
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
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/06—Fishing for or freeing objects in boreholes or wells using magnetic means
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Marine Sciences & Fisheries (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Geophysics And Detection Of Objects (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE642897A true BE642897A (OSRAM) |
Family
ID=205166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE642897D BE642897A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE642897A (OSRAM) |
-
0
- BE BE642897D patent/BE642897A/fr unknown
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