| CPC E21B 47/11 (2020.05) [E21B 43/123 (2013.01)] | 20 Claims |
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1. A well system, comprising:
production tubing arranged within a wellbore and thereby defining an annulus between the production tubing and an inner wall of the wellbore; and
a gas-lift valve operable to receive a lift gas from the annulus and discharge the lift gas into an interior of the production tubing, wherein the gas lift valve comprises:
a tracer releasable into the interior of the production tubing as the lift gas passes through the gas-lift valve;
an elongate body that defines a gas lift entry and one or more discharge ports defined at a discharged end of the elongate body; and
upper and lower seal assemblies axially spaced from each other and coupled to an exterior of the elongate body,
wherein the unique tracer is axially arranged about the exterior between upper and lower seals but not occluding the gas lift entry.
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