Permeability logging method using apparatus comprising current electrodes between electromagnets, current electrode on the surface, and acoustic listening devices to detect pressure-related noise
Patent
·
OSTI ID:7268912
The permeability next to a borehole is measured by recording the wideband acoustic noise generated by the electrokinetic flow of fluids in the formation. The sonde, which includes magnetic poles and a dc current electrode, imparts electrokinetic energy to the molecules of the fluid.
- Assignee:
- Texaco Inc.
- Patent Number(s):
- US 3896413
- OSTI ID:
- 7268912
- Resource Relation:
- Patent File Date: Filed date 28 Jan 1974
- Country of Publication:
- United States
- Language:
- English
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