Patent ID: 11885220
Assignee: INSTITUTO MEXICANO DEL PETRóLEO
Field: Measurement (Instruments)
Classification: CPC E  G | IPC E  G

Claim 1:
2. The method for the operation of the system of claim 1, wherein the Phase I injection of non-partitionable tracer (radioactive) further comprises:
a) the injection at constant rate of the mixture of formation water with radioactive tracer (non-partitionable) diluted from about 0.5% to about 3%;
b) displacement of a slug of a) with formation water, without tracer,
c) shutdown of the well; and
d) production of the same well at a ½ the rate of the injection rate of Phase I, subsection a), for a time approximately 3 times the injection time; and
e) measurement of the well discharge line in real time of the concentration of the tracer produced.