Method for the determination of inflow of oil and/or gas into a

Details Method for the determination of inflow of oil and/or gas into a Method for the determination of inflow of oil and/or gas into a

1997-06-27

1999-04-06

Dombroske, George

Measuring and testing

Borehole or drilling

Formation logging

F21B 4500

Patent

active

058921478

ABSTRACT:
A procedure to determine the inflow of oil and/or gas from an oil and/or gas reservoir under the surface of the Earth into a wellbore in the reservoir. Traceable material with different identifying characteristics, e.g. different radioactive isotopes, is separately inserted or arranged in connection with different zones, places or regions along the length of the well. During production of oil and/or gas identification of the amount of the individual traceable materials permits the calculation of the amount of oil and/or gas flowing into the well at a particular place, zone or region of the well. The traceable material may be a radioactive isotope or genetically coded material.

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