Apparatus and method for downhole injection of radioactive trace

Details Apparatus and method for downhole injection of radioactive trace Apparatus and method for downhole injection of radioactive trace

1980-06-16

1983-12-20

Smith, Alfred E.

Radiant energy

Geological testing or irradiation

Well testing apparatus and methods

250259, G01V 500

Patent

active

044219822

ABSTRACT:
The disclosure relates to downhole injection of radioactive .sup.82 Br and monitoring its progress through fractured structure to determine the nature thereof. An ampule containing granular .sup.82 Br is remotely crushed and water is repeatedly flushed through it to cleanse the instrument as well as inject the .sup.82 Br into surrounding fractured strata. A sensor in a remote borehole reads progress of the radioactive material through fractured structure.

REFERENCES:
patent: 2856536 (1958-10-01), Cardwell, Jr. et al.
patent: 2989631 (1961-06-01), Bohn
patent: 3070696 (1962-12-01), McEwen

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