JPS6340547Y2 - - Google Patents
Info
- Publication number
- JPS6340547Y2 JPS6340547Y2 JP1120284U JP1120284U JPS6340547Y2 JP S6340547 Y2 JPS6340547 Y2 JP S6340547Y2 JP 1120284 U JP1120284 U JP 1120284U JP 1120284 U JP1120284 U JP 1120284U JP S6340547 Y2 JPS6340547 Y2 JP S6340547Y2
- Authority
- JP
- Japan
- Prior art keywords
- guide
- drill string
- rollers
- rails
- rail
- 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
- 238000005553 drilling Methods 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 description 16
- 239000010959 steel Substances 0.000 description 16
- 238000009412 basement excavation Methods 0.000 description 6
- 239000003381 stabilizer Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1120284U JPS60126591U (ja) | 1984-01-31 | 1984-01-31 | 竪穴掘削機におけるドリルストリングのガイド装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1120284U JPS60126591U (ja) | 1984-01-31 | 1984-01-31 | 竪穴掘削機におけるドリルストリングのガイド装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60126591U JPS60126591U (ja) | 1985-08-26 |
JPS6340547Y2 true JPS6340547Y2 (enrdf_load_stackoverflow) | 1988-10-24 |
Family
ID=30493104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1120284U Granted JPS60126591U (ja) | 1984-01-31 | 1984-01-31 | 竪穴掘削機におけるドリルストリングのガイド装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60126591U (enrdf_load_stackoverflow) |
-
1984
- 1984-01-31 JP JP1120284U patent/JPS60126591U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60126591U (ja) | 1985-08-26 |
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