Down-hole periodic seismic generator
Patent
·
OSTI ID:5605151
A down hole periodic seismic generator system is disclosed for transmitting variable frequency, predominantly shear-wave vibration into earth strata surrounding a borehole. The system comprises a unitary housing operably connected to a well head by support and electrical cabling and contains clamping apparatus for selectively clamping the housing to the walls of the borehole. The system further comprises a variable speed pneumatic oscillator and a self-contained pneumatic reservoir for producing a frequency-swept seismic output over a discrete frequency range.
- DOE Contract Number:
- AC04-76DP00789
- Assignee:
- SNL; ERA-08-054782; EDB-83-179073
- Patent Number(s):
- None
- Application Number:
- ON: DE83018009
- OSTI ID:
- 5605151
- Country of Publication:
- United States
- Language:
- English
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