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What is Nuclear Logging?

Nuclear logging has been used in some form since the late 1920s to provide information on lithology and rock characteristics. Continued technological advances have provided improved methods for analyzing the measurements of natural and induced nuclear readings. The goal of log analysis is to map out the downhole values of reservoir characteristics chiefly as porosity, fluid saturations, and permeability. Nuclear-logging tools measure gamma ray or neutron count rates at cleverly positioned detectors.

Applications of Nuclear Logging Tungsten Radiation Shield

Due to its high density, excellent absorption behaviour against radiation and environmental friendly characteristics, tungsten alloy is the best choice to produce nuclear logging tungsten radiation shield. Nuclear logging tungsten radiation shields work because gamma rays and neutrons are penetrating radiation.

Nuclear logs are based on the interaction of nuclear radiation with matter—materials like sand, clay, water, and hydrocarbons that together make up a reservoir. For logging, the interactions are primarily particle-scattering interactions.Gamma rays tungsten radiation shields are usually used to discuss as electromagnetic radiation, for nuclear logging they are treated as photons—classical particles. Neutron tungsten radiation shield can be used in oil exploration, and undersea exploration.Neutron tungsten radiation shield also can be sed in logging or exploration boron, copper, silver, manganese, tungsten, mercury, rare-earth elements, and other minerals.

Why Use Nuclear Logging Tungsten Radiation Shield ?

Due to tungsten alloy materials has high density, which is 60% higher than lead, reduces the size of tungsten alloy ray shields, without affecting the radiation shielding effect the excellent radiation absorption of tungsten alloy. Since the environmental friendly characteristics of tungsten alloy, tungsten alloy for radiation shielding better than lead for radiation shielding in environmental protection.

During design of shielding, tungsten alloy radiation shielding is calculated according to requirements of shield to abate the multiple shielding materials' thickness.
Formula: K=e0.693 d / △1/2
K: Shield weakened multiple
△ 1/2: The tungsten alloy radiation shielding material of the half-value layer values

 

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