涂硼MRPC热中子探测器用于补偿中子测井的蒙特卡罗研究

doi:10.11889/j.0253-3219.2014.hjs.37.060201

Nuclear Techniques ›› 2014, Vol. 37 ›› Issue (06): 60201-060201.doi: 10.11889/j.0253-3219.2014.hjs.37.060201

• LOW ENERGY ACCELERATOR, RAY AND APPLICATIONS • Previous Articles Next Articles

Monte Carlo simulation on the application of boron-coated MRPC thermal neutron detector to the compensated neutron logging

JIA Wenbao ZENG Jie SHAN Qing LING Yongsheng HEI Daqian ZHANG Yan WEI Yonghong

(College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China)

Received:2013-10-21 Revised:2013-12-12 Online:2014-06-10 Published:2014-06-04

Abstract

Abstract: Background: The compensated neutron logging technology is widely used in oil exploration and development. The neutron detector commonly used in this technology is the helium-3 proportional counter. Due to the decreasing in supply of the helium-3 gas, the price of the helium-3 proportional counter rises quickly. Purpose: The aim is to develop a new type of neutron detector to replace the helium-3 tubes in the compensated neutron logging technology. Methods: A new thermal neutron detector coated with a layer of thermal neutron convertor in the inner glass of the Multi-gap Resistive Plate Chamber (MRPC) was developed. Under the conventional and underbalanced conditions, Monte Carlo method was used to simulate the response of the boron-coated MRPC thermal neutron detector and helium-3 proportional counter employed in compensated neutron logging technology. Results: It is shown that the SS/LS increases with the rise of porosity using either the boron-coated MRPC thermal neutron detector or the helium-3 proportional counter, and the results of these two detectors are basically identical. Conclusion: It indicates that the boron-coated MRPC thermal neutron detector can be used for compensated neutron logging.

Key words: Monte Carlo method, Compensated neutron logging, Boron-coated Multi-gap Resistive Plate Chamber (MRPC) thermal neutron detector

JIA Wenbao, ZENG Jie, SHAN Qing, LING Yongsheng, HEI Daqian, ZHANG Yan, WEI Yonghong. Monte Carlo simulation on the application of boron-coated MRPC thermal neutron detector to the compensated neutron logging[J].Nuclear Techniques, 2014, 37(06): 60201-060201.

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Monte Carlo simulation on the application of boron-coated MRPC thermal neutron detector to the compensated neutron logging

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