JPS5252801A - Hydraulic downntheehole drill with pressure compensator - Google Patents
Hydraulic downntheehole drill with pressure compensatorInfo
- Publication number
- JPS5252801A JPS5252801A JP12905375A JP12905375A JPS5252801A JP S5252801 A JPS5252801 A JP S5252801A JP 12905375 A JP12905375 A JP 12905375A JP 12905375 A JP12905375 A JP 12905375A JP S5252801 A JPS5252801 A JP S5252801A
- Authority
- JP
- Japan
- Prior art keywords
- downntheehole
- drill
- hydraulic
- pressure compensator
- compensator
- 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.)
- Granted
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12905375A JPS5252801A (en) | 1975-10-27 | 1975-10-27 | Hydraulic downntheehole drill with pressure compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12905375A JPS5252801A (en) | 1975-10-27 | 1975-10-27 | Hydraulic downntheehole drill with pressure compensator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5252801A true JPS5252801A (en) | 1977-04-28 |
| JPS5422161B2 JPS5422161B2 (cg-RX-API-DMAC7.html) | 1979-08-04 |
Family
ID=14999909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12905375A Granted JPS5252801A (en) | 1975-10-27 | 1975-10-27 | Hydraulic downntheehole drill with pressure compensator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5252801A (cg-RX-API-DMAC7.html) |
-
1975
- 1975-10-27 JP JP12905375A patent/JPS5252801A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5422161B2 (cg-RX-API-DMAC7.html) | 1979-08-04 |
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