Method and apparatus for evaluating multiple stage fracturing or

Details Method and apparatus for evaluating multiple stage fracturing or Method and apparatus for evaluating multiple stage fracturing or

1981-06-18

1983-11-15

Howell, Janice A.

Radiant energy

Geological testing or irradiation

Well testing apparatus and methods

G01V 500

Patent

active

044158050

ABSTRACT:
A multiple stage formation fracturing operation is conducted with separate radioactive tracer elements injected into the well during each stage of the fracturing operation. After completion of the fracturing operation the well is logged using natural gamma ray logging. The resulting signals are sorted into individual channels or energy bands characteristic of each separate radioactive tracer element. The results of the multiple stage fracturing operation are evaluated based on dispersement of the individual tracer elements.

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