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The most common use of these radiotracers is at the well head for the measurement of flow rate for various purposes. A 1995 study found that radioactive tracers were used in over 15% of stimulated oil and gas wells. [2] Use of these radioactive tracers is strictly controlled.
To obtain individual well flow rates, it is common to use a smaller test separator. This is an isolated and down-scaled processing system in parallel with the normal flows. Regularly, for example once a month per well, the flow from one and only one selected well is led into the test separator for determining well flow rate for the selected ...
A wipe test counter is a device used to measure for possible radioactive contamination in a variety of environments. When using radioactive materials it is necessary to test for accidental contamination, whether from use of liquid unsealed sources or to check for leaking sealed sources.
In single well tests, the tracer is injected into the formation from a well and then produced out the same well. The delay between a tracer that does not react with the formation (a conservative tracer) and one that does (a partitioning tracer) will give an indication of residual oil saturation, a piece of information that is difficult to ...
A well counter is a device used for measuring radioactivity in small samples. It usually employs a sodium iodide crystal detector . It was invented in 1951 by Hal Anger , who is also well known for inventing the scintillation camera . [ 1 ]
Hundreds of dollars for either well testing or blood testing is beyond the reach of many families. PFAS is a problem they didn't cause, and the solutions are far beyond individual choice," Hancock ...
Scintillation probe being used to measure surface radioactive contamination. The probe is held as close to the object as practicable Scintillation counters are used to measure radiation in a variety of applications including hand held radiation survey meters , personnel and environmental monitoring for radioactive contamination , medical ...
Lastly the more a radioactive source is shielded by either better or greater amounts of shielding the lower the levels of radiation that will escape from the testing area. The most commonly used shielding materials in use are sand, lead (sheets or shot), steel, spent (non-radioactive uranium) tungsten and in suitable situations water.
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