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Inventor: B e; Einar
Address: Notodden, NO
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5322120 |
Electro hydraulic deep well sampling assembly |
June 21, 1994 |
| A device for deep well sampling when drilling for, or production of, oil and gas, includes a chamber for receiving samples and a valve for opening and closing such chamber. The device includes a hydraulic system for operating the valve. The hydraulic system, a control panel and control o |
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