Formation element capture gamma-ray spectra measurement method and device
A technology for capturing gamma energy spectrum and stratigraphic elements. It is used in measurement devices, geophysical measurements, and nuclear radiation exploration. It can solve problems such as poor accuracy and achieve high accuracy.
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Embodiment 1
[0046] combine figure 2 As shown, the measurement method of formation element capture gamma energy spectrum provided by this embodiment includes:
[0047] Step 21, build a measurement device for the formation element capture gamma energy spectrum based on the Am-Be neutron source.
[0048] combine image 3 As shown, the test device may include: a measurement body 31, a first moderator shield 32, a sample platform to be tested 33, a detector 34, a data collection and processing module 35 and a data analysis module 36; the first moderator shield 32, The sample stage 33 to be tested and the detector 34 are arranged in the measuring body 31, the first moderation shield 32 is used to moderate the fast neutrons emitted by the neutron source 37, and the sample stage 33 to be tested is arranged in the first moderation shield At the ray exit of 32, the detector 34 is used to obtain the prompt gamma energy spectrum data of the sample to be tested, and the data collection and processi...
Embodiment 2
[0067] combine Figure 6 As shown, the measurement method of formation element capture gamma energy spectrum provided by this embodiment includes:
[0068] Step 61, build a measuring device for formation element capture gamma energy spectrum based on Am-Be neutron source.
[0069] combine Figure 7 As shown, the test device may include: a measurement body 31, a second moderator shield 71, a detector 34, a data collection and processing module 35, and a data analysis module 36; the second moderator shield 71 and the detector 34 are arranged in the measurement In the main body 31, the second moderation shield 71 is used to carry the sample to be tested and the fast neutrons emitted by the moderation neutron source 37, and the detector 34 is used to obtain the prompt gamma energy spectrum data of the sample to be tested, and the data acquisition The processing module 35 is used to collect and process the prompt gamma energy spectrum data obtained by the detector 34, and the dat...
Embodiment 3
[0082] combine Figure 8 As shown, the measurement method of the formation element capture gamma energy spectrum provided by this embodiment is compared with that of Embodiment 2, the contents of steps 61 to 64 are the same, and after step 64, it also includes:
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