JPS6239178Y2 - - Google Patents
Info
- Publication number
- JPS6239178Y2 JPS6239178Y2 JP4647482U JP4647482U JPS6239178Y2 JP S6239178 Y2 JPS6239178 Y2 JP S6239178Y2 JP 4647482 U JP4647482 U JP 4647482U JP 4647482 U JP4647482 U JP 4647482U JP S6239178 Y2 JPS6239178 Y2 JP S6239178Y2
- Authority
- JP
- Japan
- Prior art keywords
- oil
- bearing
- shaft
- bit
- seal
- Prior art date
- 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
- 238000007789 sealing Methods 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 10
- 238000009412 basement excavation Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 59
- 238000005553 drilling Methods 0.000 description 8
- 238000005461 lubrication Methods 0.000 description 8
- 229920001971 elastomer Polymers 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
- Sealing Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4647482U JPS58149488U (ja) | 1982-03-31 | 1982-03-31 | タ−ボドリルの軸封装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4647482U JPS58149488U (ja) | 1982-03-31 | 1982-03-31 | タ−ボドリルの軸封装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58149488U JPS58149488U (ja) | 1983-10-07 |
| JPS6239178Y2 true JPS6239178Y2 (enrdf_load_stackoverflow) | 1987-10-06 |
Family
ID=30057467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4647482U Granted JPS58149488U (ja) | 1982-03-31 | 1982-03-31 | タ−ボドリルの軸封装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58149488U (enrdf_load_stackoverflow) |
-
1982
- 1982-03-31 JP JP4647482U patent/JPS58149488U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58149488U (ja) | 1983-10-07 |
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