CPC E21B 49/0875 (2020.05) [E21B 34/06 (2013.01); E21B 43/12 (2013.01); E21B 47/11 (2020.05)] | 19 Claims |
1. A method comprising:
producing from a wellbore that supplies production fluid from a first production zone and a second production zone, production fluids from the first and second production zone being comingled within a same production tubular;
pulsing a first tracer into the first production zone;
pulsing a second tracer into the second production zone, the first tracer and the second tracer being barcoded such that the first tracer and the second tracer can be differentiated from one another;
measuring a first tracer decay at a topside facility;
measuring a second tracer decay at the topside facility; and
determine a water cut of the first production zone and the second production zone based upon the first tracer decay and the second tracer decay.
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