Assertion: tracer | /r/ObjectUse | used in the oil industry
Facets:
value: extensively
type: DEGREE
value: for decades
type: TEMPORAL
value: in order to gauge
type: PURPOSE
Source sentences:
text: Tracers are used in the oil industry in order to qualitatively or quantitatively gauge how fluid flows through the reservoir, as well as being a useful tool for estimating residual oil saturation.
text: Tracers can be radioactive or chemical, gas or liquid and have been used extensively in the oil industry and hydrology for decades.