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IPC Main Group
E21B 28/00

Vibration generating arrangements for boreholes or wells, e.g. for stimulating production

Introduced: January 1995

Last revised: January 2006

Classification Context

Section:
FIXED CONSTRUCTIONS
Class:
EARTH OR ROCK DRILLING; MINING
Subclass:
EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS

Scope Notes

Limiting references: Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling, using acoustic waves Generating seismic energy for geophysical measurements

Related Keywords

using VIBRATIONS in boreholes or wells