核磁共振测深方法在盐湖区卤水钾矿勘查中的应用
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摘要
青海柴这木盆地盐湖区卤水钾矿资源的勘查多年来以工程钻探等勘察手段为主,采用地球物理勘查方法并不是很多,特别是应用核磁共振测深(MRS)方法勘查盐卤水钾矿尚属首次.本文通过核磁共振测深(MRS)勘查实例,简单介绍了核磁共振仪器应用原理、野外工作方法技术条件,对典型单点MRS初始振幅曲线、主要含水层综合成果图各种参数值等进行了重点论述和分析解释,最终比较直观的指明了勘查区富卤水钾矿分布范围、埋藏深度和厚度等,为卤水钾矿钻探勘查提供了物探依据.同时也阐明了该方法在盐湖区寻找卤水钾矿的独特技术优势及缺点不足.后经钻探揭露验证,综合误差控制在14.83%之内,可以说运用核磁共振测深(MRS)方法在盐湖区寻找卤水钾矿资源精确确定盐卤水范围、富卤水地层深度等具有良好应用前景,为今后在其他类似地区盐卤水勘查工作积累了经验.
Exploration for many years in engineering drilling exploration means brine potassium mineral resources in the Chaidamu Basin of Qinghai Saline Lake area.And the geophysical exploration methods and not many.Especiallythe application of Nuclear Magnetic Resonance Sounding(MRS)method to exploration of salt brine potash deposit is the first.In this paper,Magnetic Resonance Sounding(MRS) in exploration brine potassium ore in saline lake district of Qaidam Basin in Qinghai of analysis instance summarize.And combined with the drilling data.More intuitive to identify the exploration area of potassium rich brine distribution range,depth and thickness.To provide the basis for potash resources exploitation.The unique technical advantages for lack of potassium rich brine in the Saline Lake District of the method and the existing.Magnetic Resonance Sounding(MRS) method is successfully applied in the Saline Lake District of potash deposit exploration,can provide reference for the similar engineering.Reveals the method(MRS) a good prospect of application of finding underground potash mine resources in Saline Lake area.Drilling after exposing the validation,comprehensive error is controlled within 14.83%.Illustrate the application of nuclear magnetic resonance sounding(MRS) method to find the potassium rich brine resources in the Saline Lake District of salt brine range to determine the precise,ri-ch brine formation depth has a good application prospect.For the purpose of exploring accumulated work experience in a similar area salt brine in the future.
Exploration for many years in engineering drilling exploration means brine potassium mineral resources in the Chaidamu Basin of Qinghai Saline Lake area.And the geophysical exploration methods and not many.Especiallythe application of Nuclear Magnetic Resonance Sounding(MRS)method to exploration of salt brine potash deposit is the first.In this paper,Magnetic Resonance Sounding(MRS) in exploration brine potassium ore in saline lake district of Qaidam Basin in Qinghai of analysis instance summarize.And combined with the drilling data.More intuitive to identify the exploration area of potassium rich brine distribution range,depth and thickness.To provide the basis for potash resources exploitation.The unique technical advantages for lack of potassium rich brine in the Saline Lake District of the method and the existing.Magnetic Resonance Sounding(MRS) method is successfully applied in the Saline Lake District of potash deposit exploration,can provide reference for the similar engineering.Reveals the method(MRS) a good prospect of application of finding underground potash mine resources in Saline Lake area.Drilling after exposing the validation,comprehensive error is controlled within 14.83%.Illustrate the application of nuclear magnetic resonance sounding(MRS) method to find the potassium rich brine resources in the Saline Lake District of salt brine range to determine the precise,ri-ch brine formation depth has a good application prospect.For the purpose of exploring accumulated work experience in a similar area salt brine in the future.
引文
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Xie R H,Xiao L Z,Liu J J,et al.2009.A method for multiple echo trains jointing inversion of NMR relaxation measurements[J].ChineseJ.Geophys.(in Chinese),52(11):2913-2919.
Xie R H,Xiao L Z,Liu J J.2011.Time domain analysis numerical simulation and influence factors of NMR logging[J].Chinese J.Geophys.(in Chinese),54(8):2184-2192,doi:10.3969/j.issn.0001-5733.2011.08.027.
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蒋川东,林君,段清明,等.2011.二维阵列线圈核磁共振地下水探测理论研究[J].地球物理学报,54(11):2973-2983,doi:10.3969/j.issn.0001-5733.2011.11.028.
李新,肖立志,黄科,等.2013.随钻核磁共振测井的地层界面响应特征[J].地球物理学报,56(8):2862-2869,doi:10.6038/cjg20130834.
李振宇,唐辉明,潘玉玲.2006.地面核磁共振方法在地质工程中的应用[M].武汉:中国地质大学出版社.
李振宇,张兵.2001.地面核磁共振方法的效果研究[J].地球科学,26(增刊):34-36.
林君.2010.核磁共振找水技术的研究现状与发展趋势[J].地球物理学进展,25(2):681-691,doi:10.3969/j.issn.1004-2903.2010.02.043.
林婷婷,蒋川东,齐鑫,等.2013.地面磁共振测深分布式探测方法与关键技术[J].地球物理学报,56(11):3651-.3662,doi:10.6038/cjg20131106.
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潘玉玲,贺颢,李振宇,等.2003.地面核磁共振找水方法在中国的应用效果[J].地质通报,22(2):135-139.
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谭茂金,石耀霖,赵文杰,等.2008.核磁共振双TW测井数据联合反演与流体识别[J].地球物理学报,51(5):1582-1590.
田宝凤,林君,段清明,等.2012.基于参考线圈和变步长自适应的磁共振信号噪声压制方法[J].地球物理学报,55(7):2462-2472,doi:10.6038/j.issn.0001-5733.2012.07.030.
汪瑶.2012.MRS反演参数与涌水量关系研究和实践[硕士论文].武汉:中国地质大学.
肖立志.1998.核磁共振成像测井与岩石核磁共振及其应用[M].北京:科学出版社.
肖立志,谢庆明,谢然红,等.2013.核磁共振测井的正则化-启发式阈值降噪研究[J].地球物理学报,56(11):3943-3952,doi:10.6038/cjg20131136.
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Chen W S.1992.The Principle of Physical Instrument of Nuclear Magnetic Resonance Earth(in Chinese)[M].Beijing:Geological Publishing House.
Dai M,Hu X Y,Wu H B,et al.2009.Inversion of surface nuclear magnetic resonance[J].Chinese J.Geophys.(in Chinese).52(10):2676-2682.
Dai M,Hu X Y,Wu H B,et al.2009.Inversion of surface nuclear magnetic resonance[J].Chinese J.Geophys.(in Chinese),52(10):2676-2682.
He S Gan B.2013.In Balunmahai Potash Mine Water Surface Nuclear Magnetic Resonance Detection Report(in Chinese)[R].Xining:Qinghai Bureau of Geological Exploration For Environmental.
He S,Long Z Y.2012.Surface NMR Water Technology in the Report on Application in Qinghai Area(in Chinese)[R].Xining:Qinghai Bureau of Geological Exploration for Environmental.
Jiang C S,Lin J,Duan Q M,et al.2011.A study on 2D magnetic resonance sounding with an array loop for groundwater exploration[J].Chinese J.Geophys.(in Chinese),54(11):2973-2983,doi:10.3969/j.issn.0001-5733.2011.11.028.
Li X,Xiao L Z,Huang K,et al.2013.Nuclear Magnetic Resonance Logging-While-Drilling response at formation boundary[J].Chinese J.Geophys.(in Chinese),56(8):2862-2869,doi:10.6038/cjg20130834.
Li Z Y,Tang H M,Pan Y L.2006.Application of the Surface Nuclear Magnetic Resonance Method in Geological Engineering[M].Wuhan:China University of Geosciences Press.
Li Z Y,Zhang B.2001.Study on the effect of surface nuclear magnetic resonance method[J].Earth Science(in Chinese),26(Suppl):34-36.
Lin J.2010.Situation and progress of nuclear magnetic resonance technique for groundwater investigations[J].Progress in Geophysics(in Chinese),25(2).681-691,doi,10.3969/j.issn.1004-2903.2010.02.043.
Lin T T,Jiang C D,Qi X,et al.2013.Theories and key technologies of distributed surface magnetic resonance sounding[J].Chinese J.Geophys.(in Chinese),56(11):3651-3662,doi:10.6038/cjg20131106.
Pan Y S,Tang J P,Li C Q.2008.NMRI test on two-phase transport of gas-water in coal seam[J].Chinese J.Geophys.(in Chinese),51(5):1620-1626.
Pan Y L,He H,Li Z Y,et al.2003.Surface detection of groundwater with the nuclear magnetic resonance method and its application results in China[J].Geological Bulletin of China(in Chinese),22(2):135-139.
Pan Y L,Zhang C D.2000.Surface Nuclear Magnetic Resonance Theory and Method(in Chinese)[M].Wuhan:China University of Geosciences Press.
Qin H,Li H J,Yang X F,et al.2011.A study on the fluid identification method of acidic volcanic reservoirs based on the pore structure[J].Chinese J.Geophys.(in Chinese),54(2):422-427,doi:10.3969/j.issn.0001-5733.2011.02.019.
Tan M J,Shi Y L,Zhao W J,et al.2008.Joint inversion method for NMR dual-TW logging data and fluid typing[J].Chinese J.Geophys.(in Chinese),51(5):1582-1590.
Tian B F,Lin J,Duan Q M,et al.2012.Variable step adaptive noise cancellation algorithm for magnetic resonance sounding signal with a reference coil[J].Chinese J.Geophys.(in Chinese),55(7):2462-2472,doi:10.6038/j.issn.0001-5733.2012.07.030.
Wang Y.2012.Research and practice of the relationship between MRS inversion parameters and the water yield(in Chinese)[Master's thesis].Wuhan:China University of Geosciences.
Xiao L Z.1998.Nuclear Magnetic Resonance Imaging Logging and Rock Magnetic Resonance and its Application(in Chinese)[M].Beijing:Science Press.
Xiao L Z,Xie Q M,Xie R H,et al.2013.Noise reduction for NMR logging with regularization-heursure algorithm[J].Chinese J.Geophys.(in Chinese),56(11):3943-3952,doi:10.6038/cjg20131136.
Xiao L Z,Zhang H R,Liao G Z,et al.2012.Inversion of NMR relaxation in porous media based on Backus-Gilbert theory[J].Chinese J.Geophys.(in Chinese),55(11):3821-3828,doi:10.6038/j.issn.0001-5733.2012.11.029.
Xie Q M,Xiao L Z,Liao G Z.2010.Application of SURE algorithm to echo train de-noising in low field NMR logging[J].Chinese J.Geophys.(in Chinese),53(11):2776-2783,doi:10.3969/j.issn.0001-5733.2010.11.027.
Xie R H,Xiao L Z.2009.NMR logging probing the internal magnetic field gradients of rocks[J].Chinese J.Geophys.(in Chinese),52(5):1341-1347.
Xie R H,Xiao L Z,Liu J J,et al.2009.A method for multiple echo trains jointing inversion of NMR relaxation measurements[J].ChineseJ.Geophys.(in Chinese),52(11):2913-2919.
Xie R H,Xiao L Z,Liu J J.2011.Time domain analysis numerical simulation and influence factors of NMR logging[J].Chinese J.Geophys.(in Chinese),54(8):2184-2192,doi:10.3969/j.issn.0001-5733.2011.08.027.
Yang F J.2000.Atomic Physics(in Chinese)[M].3~(rd)ed.Beijing:Higher Education Press.
Yi X F,Li P F,Lin J,et al.2013.Simulation and experimental research of MRS response based on multi-turn loop[J].Chinese J.Geophys.(in Chinese),56(7):2484-2493,doi:10.6038/cjg20130734.
Zhu Q J,Pan Y L,Li F Z,et al.2012.Technical Specification for Surface Nuclear Magnetic Resonance Method Detecting Groundwater(in Chinese)[S].Beijing:China Geological Survey.
曹文虎,吴蝉.2004.卤水资源及其综合利用技术[M].北京:地质出版社.
陈文升.1992.核磁共振地球物理仪器原理[M].北京:地质出版礼
戴苗,胡祥云,吴海波,等.2009.地面核磁共振找水反演[J].地球物理学报,52(10):2676-2682.
何胜,甘斌.2013.巴仑马海钾矿区富水性地面核磁共振法探测报告[R].西宁:青海省环境地质勘查局.
何胜,龙作元.2012.地面核磁共振法找水技术在青海地区应用研究报告[R].西宁:青海省环境地质勘查局.
蒋川东,林君,段清明,等.2011.二维阵列线圈核磁共振地下水探测理论研究[J].地球物理学报,54(11):2973-2983,doi:10.3969/j.issn.0001-5733.2011.11.028.
李新,肖立志,黄科,等.2013.随钻核磁共振测井的地层界面响应特征[J].地球物理学报,56(8):2862-2869,doi:10.6038/cjg20130834.
李振宇,唐辉明,潘玉玲.2006.地面核磁共振方法在地质工程中的应用[M].武汉:中国地质大学出版社.
李振宇,张兵.2001.地面核磁共振方法的效果研究[J].地球科学,26(增刊):34-36.
林君.2010.核磁共振找水技术的研究现状与发展趋势[J].地球物理学进展,25(2):681-691,doi:10.3969/j.issn.1004-2903.2010.02.043.
林婷婷,蒋川东,齐鑫,等.2013.地面磁共振测深分布式探测方法与关键技术[J].地球物理学报,56(11):3651-.3662,doi:10.6038/cjg20131106.
潘一山,唐巨鹏,李成全.2008.煤层中气水两相运移的NMRI试验研究[J].地球物理学报,51(5):1620-1626.
潘玉玲,贺颢,李振宇,等.2003.地面核磁共振找水方法在中国的应用效果[J].地质通报,22(2):135-139.
潘玉玲,张昌达.2000.地面核磁共振找水理论和方法[M].武汉:中国地质大学出版社.
覃豪,李洪娟,杨学峰,等.2011.基于孔隙结构的酸性火山岩储层流体识别方法研究[J].地球物理学报,54(2):422-427,doi:10.3969/j.issn.0001-5733.2011.02.019.
谭茂金,石耀霖,赵文杰,等.2008.核磁共振双TW测井数据联合反演与流体识别[J].地球物理学报,51(5):1582-1590.
田宝凤,林君,段清明,等.2012.基于参考线圈和变步长自适应的磁共振信号噪声压制方法[J].地球物理学报,55(7):2462-2472,doi:10.6038/j.issn.0001-5733.2012.07.030.
汪瑶.2012.MRS反演参数与涌水量关系研究和实践[硕士论文].武汉:中国地质大学.
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