Measuring and testing – Borehole or drilling – Downhole test
Patent
1978-01-11
1979-06-26
Myracle, Jerry W.
Measuring and testing
Borehole or drilling
Downhole test
181106, E21B 4700
Patent
active
041589637
ABSTRACT:
The size and location of rock formation cavities are determined by placing small bodies within the cavity, altering the physical or chemical state of the bodies within the cavity and measuring the change of state of the bodies thereby providing a measurement of the location or size of the cavity. Preferably, the small bodies are detonatable bodies which upon detonation provide an acoustic indication of the size and location of the cavity.
REFERENCES:
patent: 2151878 (1939-03-01), Weatherby
patent: 4057780 (1977-11-01), Shuck
Myracle Jerry W.
Preussag Aktiengesellschaft
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