System for transmitting energy through an apparatus usable for subsoil prospection, lowered inside a well or drill hole
US4796723A · kind A · utility
11Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1986 |
| Grant date | Jan 10, 1989 |
| Priority date | — |
| Expiry date | Dec 1, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S367/912
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system is provided for transmitting energy to an apparatus, such as a pulsed or vibratory seismic source, lowered inside a well or drill hole. It includes a structure anchorable in a well, mobile means whose linear displacement with respect to the anchorable structure causes the creation of energy and means for accumulating the energy created, a rigid column connected to said mobile means and drive means disposed outside the well for moving the rigid column linearly. The mobile means and the accumulation means may be formed by a weight and a device for raising this latter or else by a hydraulic system including a linear pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.