[1]胡法龍,王成蔚,莊東志,等.MRIL-P型核磁共振測井儀探頭磁場數值模擬[J].測井技術,2010,34(05):424-427.
 HU Falong,WANG Chengwei,ZHUANG Dongzhi,et al.Numerical Simulation of Magnetic Field Distribution for MRIL-P Logging Tool Sonde[J].WELL LOGGING TECHNOLOGY,2010,34(05):424-427.
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MRIL-P型核磁共振測井儀探頭磁場數值模擬()
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《測井技術》[ISSN:1004-1338/CN:61-1223/TE]

卷:
第34卷
期數:
2010年05期
頁碼:
424-427
欄目:
方法研究
出版日期:
2010-10-30

文章信息/Info

Title:
Numerical Simulation of Magnetic Field Distribution for MRIL-P Logging Tool Sonde
作者:
胡法龍;王成蔚;莊東志;肖立志;
中國石油勘探開發研究院;中國石油天然氣股份有限公司測井重點實驗室;中國石油工程建設公司;中國石油冀東油田勘探開發研究院;中國石油大學;
Author(s):
HU Falong12WANG Chengwei3ZHUANG Dongzhi4XIAO Lizhi5
1.Research Institute of Petroleum E&P,Beijing 100083,China;2.Key Lab of Well Logging,PetroChina,Beijing 100083,China;3.China Petroleum Engineer & Construction Comp,Beijing 100120,China;4.Research Institute of E&P of PetroChinaJidong Oilfield,Tangshan,Hebei 063004,China;5.China University of Petroleum,Beijing 102249,China
關鍵詞:
核磁共振測井儀有限元法磁場分布數值模擬
分類號:
P631.83
摘要:
核磁共振測井儀的靜磁場和射頻磁場分布決定了儀器的測量頻率、探測區域和探測深度、磁場梯度、信號強度等參數。推導出了核磁共振測井儀器磁場的數學物理模型。以居中型核磁共振測井儀MRIL-P探頭為例,建立核磁共振測井儀探頭結構模型,利用有限元法模擬探頭靜磁場和射頻磁場的分布。認為在探測區域內其靜磁場為梯度磁場。研究靜磁場和射頻磁場的分布特性和匹配關系,通過優化天線結構使射頻磁場和靜磁場匹配。利用三維磁場掃描對靜磁場數值模擬結果進行驗證,驗證結果表明數值模擬與測量結果具有良好的一致性。認為利用有限元方法在進行核磁共振測井儀探頭磁場的數值模擬可提高計算速度和精度。

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備注/Memo

備注/Memo:
基金:中國石油天然氣集團公司國際合作項目資助(04D30101)
更新日期/Last Update: 2010-10-30
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