用户名: 密码: 验证码:
巨厚黄土塬矿区三维地震勘探的关键技术及其应用研究
详细信息    本馆镜像全文|  推荐本文 |  |   获取CNKI官网全文
摘要
开展矿区地质勘探,查明研究区地质概况是矿区规划设计、矿井安全高效生产的前提。九龙川矿区属典型的中国西部黄土塬覆盖区,其黄土巨厚,地貌主要由黄土塬、河谷阶地和低山丘陵组成。针对九龙川矿区这一典型区域,开展巨厚黄土沟壑地区三维地震勘探中的关键技术问题及其应用研究意义重大。
     本文以宁中煤田九龙川煤矿为工程背景,采用理论分析与工程实践相结合的方式对厚黄土沟壑地区三维地震勘探技术进行了系统的研究。通过对巨厚黄土塬区深层结构特点、地震激发参数特点的研究,提出了巨厚黄土塬区野外地震合理激发方法,分析了研究区地表、浅层及深层的地震条件。对比分析了不同激发层位、激发主频对地震勘探的影响,给出了巨厚黄土塬区三维地震勘探激发参数的选取方法。塬上井深在10m~16m之间的硬层激发,沟中井深在3m~12m之间的硬层激发;黄土厚潜水位深的地段采用6井组合激发,沟中黄土较薄地段3~5井激发;每井药量1kg~3kg之间,总药量不要超过12kg,可获得较好的资料。
     详细地分析三维地震处理技术包括静校正方法、能量补偿技术、综合去噪技术、地表一致性反褶积技术以及DMO处理技术等,并针对巨厚黄土塬区的地震特点,对上述技术进行了相应的处理和试验,通过对比分析,得到了巨厚黄土塬区关键处理技术和相应参数,基准面1200m;替换速度3500m/s;地表一致性反褶积预测步长12ms等。
     研究了巨厚黄土塬区煤层构造及煤层厚度预测方法及理论,建立了巨厚黄土塬区构造解释方法,得到了九龙川矿区三个区块的构造分布规律。查明了研究区主要的煤层构造及厚度变化情况,全区共控制背向斜10个,其中背斜5个,向斜5个。一块区勘探查明落差大于5m的断层2条,走向近EW,均为正断层。通过调谐理论、波阻抗反演方法对煤层厚度及变化趋势进行了预测,建立了基于调谐理论、波阻抗反演方法的巨厚黄土塬区煤层厚度预测方法,对九龙川矿区三个区块的煤层厚度及变化趋势进行了预测。
     建立了基于双相介质理论和神经网络理论的巨厚黄土塬区煤层瓦斯预测方法。对一块区、三块区煤层瓦斯相对富集区进行了预测,并通过三维地震探明一块区煤8层瓦斯相对富集区有三处:相对富集区Ⅰ位于测区中北部NZ512钻孔处面积约0.04km2;相对富集区Ⅱ位于测区中东部NZ702钻孔处面积约0.78km2;相对富集区Ⅲ位于测区东NZ814钻孔处面积约0.39km2。三块区煤8层瓦斯含量的两极变化为0~7.5ml/g。
     最后,通过对三维地震勘探和钻探结果进行分析对比,基于上述研究成果,对九龙川矿地质勘察结果在宁中煤田的矿区规划、矿井开拓方案研究以及煤层开采建议等问题进行了研究。为九龙川矿区的科学规划和绿色开采提供了可靠的技术保障。
Carrying out geological exploration and identifying the general geology is the premiseof planning and design of mining area. It’s also the premise of safety and high efficiencyproduction. JiuLongChuan mining area belongs to typical loess plateau area, which is coveredby the huge thick loess and whose landscape is mainly composed of loess tableland, valleyterraces and low hills. In view of the typical region, it is of great significance to carry out theresearch on the key technical problems and application of3D seismic exploration in loessplateau area.
     Taking JiuLongChuan coal mine as engineering background, this paper combinestheoretical analysis and engineering practice to study the technology of the3D seismicexploration in loess plateau area. Through the research on characteristics of deep structure andseismic excitation parameter, a reasonable method of field seismic excitation is proposed andthe seismic conditions are analyzed in the surface, shallow and deep layer. Based oncomparing different excitation horizons and excitation frequency, the paper analyses theinfluence to the seismic exploration and obtains selection method of3D seismic excitationparameters in loess plateau area. Excitation is selected in hard layer whose well depth isbetween10m~16m on the plateau. The well depth is between3m~12m in the ditch.6wellscombinational was adopted to stimulate in the areas where loess is thick and water table is deep,3~5wells combinational was to stimulate adopted in the areas where loess is thin; each wellcontains1~3kg gunpowder, and total dose should not exceed12kg, good information can beobtained.
     Under the detail techniques analysis in3D seismic data process, include staticcorrection, energy compensation, comprehensive eliminating noises, surface-consistentdeconvolution and DMO, aimed at the seismic characteristic of loess plateau, seismic dataprocess and relative test have been done using those techniques accordingly.Though the wayof contrast and ayalysis of data and test results, the key process techniques and corresponding parameters that suitable to loess plateau have been given, datum select as1200m, replacementvelocity as3500m/s, and prediction step as12ms in surface-consistent deconvolution.
     The paper studies on the prediction method and theory about coal seam structure andthickness in the loess plateau area. It establishes a interpretation method about structure andgives structure distribution about the three blocks of JiuLongChuan mining area. It identifiesthe main coal seam structure and variations in thickness. There are10fold, including fiveanticlines and five synclines. Exploration of the first block find out2normal faults whosefalls are more than5m and which are broadly in NW direction. Coal seam thickness andvariation trend are forecasted by adopting tuning theory and wave impedance inversionmethod. Based on the tuning theory and wave impedance inversion method, the predictionmethod about coal seam thickness in the loess plateau area is established. It forecasts coalseam thickness and variation trend in the three blocks of JiuLongChuan mining area.
     Based on two phase medium theory and the neural network theory, it establishes theprediction method of coal bed gas in the loess plateau area. It predicts the gas enrichmentzones in the first and third block. The3D seismic exploration has obtained three gasenrichment zones. The no.1relative enrichment zone is located in the north-central detectionarea, it is near NZ512drill-hole and its area is about0.04km2.The no.2relative enrichmentzone is located in the middle-east detection area, it is near NZ702drill-hole and its area isabout0.78km2. The no.3relative enrichment zone is located in the east detection area, it isnear NZ814drill-hole and its area is about0.39km2. The polar change of gas content of eightcoal layer is0~7.5ml/g in the third block.
     Finally, by contrast results of3D seismic exploration with results of drill-holeexploration, in the basis of above-mentioned research results, the paper studies questions suchas planning of mining areas, mine development plan and coal seam mining suggestion inNingZhong coal field based on geological investigation results of JiuLongchuan coal field,and provides reliable technical guarantee of scientific planning of mining area green miningfor JiuLongchuan coal field.
引文
[1]王猛.煤矿深部开采巷道围岩变形破坏特征试验研究及其控制技术[D].辽宁工程技术大学,2010.
    [2]胡敬东,连向东.我国煤炭科技发展现状及展望[J].煤炭学报,2002,33(1):21-24.
    [3]柴敬.基于光纤光栅监测的松散地层深部注水试验[J].煤炭学报,2012,37(2):200-205.
    [4]柴敬.松散地层深部沉降变形的光纤Bragg光栅监测研究[J].煤炭学报,2009.34(6):741-746.
    [5]柴敬.济三矿风井厚松散层沉降变形光纤光栅监测方法[J].煤炭科学技术,2010,5(38):13-16.
    [6]程建远,郭恒庆,王屹,等.三维地震施工设计中几个有关问题的探讨[J].煤田地质与勘探,2005,33(增刊):5-8.
    [7]武喜尊.关于煤炭三维地震勘探发展的几点思考[J].中国煤田地质,2007,19(2):66-69.
    [8]许家林,钱鸣高,金宏伟.基于岩层移动的“煤与煤层气共采”技术研究[J].煤炭学报,2004,29(2):129-132,
    [9]许家林,钱鸣高.岩层采动裂隙分布在绿色开采中的应用[J].中国矿业大学学报,2004,33(2):141-149.
    [10]伍永平,来兴平,南葆等.深部高应力松软岩层稳定性监测及实验研究[J].西安科技大学学报,2005,25(4):407-410,
    [11]袁亮.卸压开采抽采瓦斯理论及煤与瓦斯共采技术体系[J].煤炭学报,2009,34(1):1-8.
    [12]谭胜章,杜惠平,宋国良,等.高精度三维地震资料采集技术——以官渡地区山地地震勘探为例[J].石油物探,2007,46(1):74-80.
    [13]王德志,贾烈明.三江盆地地震地质条件及采集技术研究[J].石油物探,2006,45(4):423-426.
    [14]邸志欣,谭绍泉,姜维才,等.川东北地区山地三维高分辨率地震采集技术[J].石油物探,2005,44(5):517-524.
    [15]王彦春,余钦范,段云卿,等.折射波静校正方法在复杂地表地区的应用[J].物探与化探,1999,(6):428-434.
    [16] Cui Ruofei,1999,3D high resolution seismic prospecting in coal mining areas:Journal OfCoal Science And Engineering,5(2):29-32.
    [17] Peng Suping,Liao Yi,Zhang Bingguang and Sun Maoye,1999,A high resolution3D-seismic technique for distinguishing geological structure in the complexcoalfield:Mining Science and Technology,9(6):175-178.
    [18] Gao Luzeng,1986,An attempt to use seismic dynamic information to findsmall-scalefaults:Petroleum Geophysical Exploration,24(4):56-75.
    [19]李树刚.煤层采动后甲烷运移与聚集形态分析.煤田地质与勘探[N],2000(5):23-25.
    [20]郭栋.胜利油田高精度地震勘探技术[J].石油天然气学报,2005,27(6):865-867.
    [21] Kennett B.Theoretical reflection seismograms for elastic media. GeophysicalProspecting,1979,27:301-321.
    [22] Kennett B.1980. Seismic waves in a stratified half space-II.Theoreticalseismograms.Geophysical Journal of the Royal Astronomical Society,61:1-10.
    [23]陈宝书,等,地震资料叠前偏移处理技术应用[J].中国海上油气,2001,15(5):361-365.
    [24]陈树文,等,三维叠前深度偏移的准三维算法研究[J].地球物理学进展,2001,16(4):23-28.
    [25] Sheriff,R.E., Limitations on resolution of seismic reflection and geologic detail derivablefrom them[D],AAPG Memoir,1977,26,3-14
    [26] Kallweit,F.S.and Wood,L.C.,The limits of zero-phase wavelets[J],Oeophysics,1982,V47,1035-1046,
    [27] Ricker,Wavelet contraction,Wavelet expansion and the control of seismic resolution[J],Geophysics,1953,V18,P769-792,
    [28] Widess,M.A.,How thin is a thin bed?[J].Geophysics,1973,V38,176-1184,
    [29] Frusicr C.,Winterstein D.,Analysis ofconventional and converted mode reflections atPutah sink,California using three-component data.Geophysics,1990,55(6):646-659
    [30] Cary P.W., Eaton D.W.S.,A simple method for resolving large converted-wavestatics.Geophysics,1993,58(3):429-433
    [31] Ritzwoller M.H.,Levshin A.L.,Estimating shallow shear velocities with marinemultieomponent seismic data.Geophysics,2002,67(6):1169-1179
    [32] Tessmer,G And Behle,A.,Common reflection point data-stacking technique forconverted waves.Geophysical Prospecting,1998,36(7):67I·688
    [33] Fowler P.and Schroeder S.,2000,An accurate and efficient hybrid method for post stacktopographic datuming:Geophysics,2036-2039.
    [34]赵殿栋,郭健,王咸彬,等.基于模型面向目标的观测系统优化设计技术[J].中国西部油气地质,2006,2(2):119-122.
    [35] C.O.Karacan,E.Okandan.Adsorption and gas transport in coal microstructure:investigation and evaluation by quantitative X-ray CT imaging[J].Fuel,2001,80(4):509-520.
    [36]姚本全.三维地震采集设计方法研究[J].江汉石油学院院报,2004,26(增刊):58-60.
    [37]彭晓波,彭苏萍,詹阎,等.P波方位AVO在煤层裂缝探测中的应用[J].岩石力学与工程学报,2005,24(16):2960-2965.
    [38]郭良红,田小平.黄土塬区煤田弯线地震勘探采集技术的应用[J].中国煤田地质,2006,18(6):43-45
    [39] Yang Hua,Fu Suotang and Wei Xinshan,2004,Geology and exploration of oil and gas inthe Ordos Basin:Applied Geophysics,1(2):103-109.
    [40]王建民,刘洋,魏修成.三维VSP观测系统设计研究[J].石油地球物理勘探,2007,42(5):489-494.
    [41]赵明金,尚新民,王元庆,等.三维地震观测系统对AVO处理的影响[J].物探与化探2003,27(1):55-58.
    [42]狄帮让,孙作兴,顾培成,等.宽/窄方位三维观测系统对地震成像的影响分析—基于地震物理模拟的采集方法研究[J].石油地球物理勘探,2007,42(l):1-6.
    [43]凌云研究组.宽方位角地震勘探应用研究[J].石油地球物理勘探,2003,38(6):350-357.
    [44] Li Minjie,Chen Yequan and Deng Guozhen,2005,2D seismic data processing for straightlines in the loess plateaus in Fuxian of Shanbei:Applied Geophysics,2(1):46-50.
    [45]陈强,刘鸿福.应用P波AVO技术预测煤层气储层裂隙[J].科技情报开发与经济,2008,13:131-133.
    [46]李国发,常索亮.复杂地表煤田地震资料处理的关键技术研究[J].中国矿业大学学报.38(1):61-66.
    [47]张军华,缪彦舒,郑旭刚,等.预测反褶积去多次波几个理论问题探讨[J].物探化探计算技术.31(l):6-10.
    [48]李泽英,张欣.反褶积处理统计时窗的选择[J].工程地球物理学报2010,7(4):421-427.
    [49]孙升林.努力提高三维地震勘探精度,为西部煤炭工业做出新贡献[J].中国煤炭地质,2008,20(6):3-5.
    [50]刘增平.三维地震勘探资料解释方法[J].山东煤炭科技,2004,(1),23-24
    [51] Darrell Connelly,MikeG albraith,3-D design with DMO modeling.SEG TechnicalProgram Expanded Abstracts,1995,933-934
    [52] Mike Galbraith.Prestack time migration responses of some3D geometries.SEG TechnicalProgram ExpandedAbstractS,2002:52-55
    [53] Mike Galbraith.A new methodology for3D survey design.SEG Technical ProgramExpanded Abstracts,2004:83-86
    [54] Mike Galbratb.3D geometry for demultiple and noise cancellation.The Leading Edge,2002,21(9):838-851
    [55]田朝光.浅谈煤炭三维地震勘探时深转换探究[J].科协论坛(下半月),2007,(7):339-340.
    [56]赵镨,杨艳珍.艾劲松.煤炭三维地震勘探时深转换误差分析及对策[J].中国煤田地质2006,18(4):49-54.
    [57]吴有信,方含珍.相干体与方差体技术在全三维地震资料解释中的应用[J].安徽地质,2006,16(1):47-53.
    [58]刘斐.辽河盆地中央凸起南部海外河地区构造演化特征[J].石油与天然气地质,2011,32(2):259-266.
    [59]丛向元,彭碧群,李占林.高分辨率三维地震资料解释技术的应用[J].石油物探,2004,43(2):167-171.
    [60]程建远,张广忠,胡继武.黄土塬区的三维地震勘探技术[J].中国煤田地质,2004,16(6):40-43.
    [61]程建远,李宁,侯世宁,杨光明,等.黄土塬区地震勘探技术发展现状综述[J].中国煤炭地质,2009,21(12):72-26
    [62]王飞燕,等.地貌学与第四纪地质学[M].北京:高等教育出版社,1991:153-158.
    [63]蒋家钰,乔春生,刘永昌.黄土塬地震勘探方法攻关初见成效[M]//张德忠.复杂地表地区地震勘探实例.北京:石油工业出版社,1994:156-171.
    [64]韩俊丽.全球陆地黄土及黄土地貌成因探讨[J].阴山学刊(自然科学版),1998,14(3):53-56.
    [65]杜中东,邓述全,邓志文,李宝泉,王云高.巨厚黄土覆盖区避开源致强次生干扰的采集技术研究[G]//CPS/SEG Beijing2009International Geophysical Conference&Exposition.北京:中国石油学会石油物探专业委员会,2009.
    [66] Yao Zonghui. Chen Jianxin. Ren Wenjun. Qian Hanlin and Li Maicheng,SeismicData Acquisition Techniques on Loess Hills in the Ordos Basin[J].APPLIED GEOPHYSICS,2004,11(2):115-121.
    [67]罗卫东,张晓斌,王勤耕,等.巨厚黄土地区地震采集技术研究及应用[J].钻孔工艺,2010,33(增刊):83-86
    [68] Yang Juyong, Liang Xianghao and Liu Yimou. Seismic acquisition techniques in thick loess areas, southwestern depression of Tarim basin [G]//CPS/SEG Beijing2009International Geophysical Conference&Exposition.北京:中国石油学会石油物探专业委员会,2009.
    [69]安树杰,王新全,徐占勇.黄土塬山地规则三维地震采集实例[G]//CPS/SEG Beijing2009International Geophysical Conference&Exposition.北京:中国石油学会石油物探专业委员会,2009.
    [69]姚宗惠,杜中东,王学刚,任光辉.鄂尔多斯西缘前陆盆地巨厚黄土地区地震采集技术[J].石油勘探与开发,2007,34(4):406-412.
    [70]黄桂雄,张宝君.富县黄土塬区二维地震直测线施工方法及效果[J].西安石油大学学报(自然科学版),2008,23(4):15-18,25.
    [71] Xiong Zhu,2002,Ideals of seismic data processing in complex area:ChinaPetroleumIndustry Press,(2),12-15.
    [72]李睿,曹大文.宁中九龙川煤炭资源勘探报告[R].庆阳,甘肃煤炭地质勘查院,2012.
    [73]陈慧林,尚铮.甘肃宁中煤田九龙川矿区一区块三维地震勘探报告[R].西安,山西省煤炭地质物探测绘院,2013.
    [74]赵会胜.甘肃宁中煤田九龙川矿区二区块三维地震勘探报告[R].西安,甘肃煤田地质局综合普查队,2013.
    [75]徐爱军,王磊.甘肃宁中煤田九龙川矿区三区块三维地震勘探报告[R].西安,中国煤炭地质总局物测队,2013.
    [76]屈智华.中国西部复杂地区地震资料处理[J].物探与化探,2000,30(1):23-24
    [77]渥·伊尔马滋.地震数据处理[M].北京:石油工业出版社,1994,2-3
    [78] Marsden D.Static corrections-a review(part I).The Leading Edge1993,12(1):43-49
    [79]程荃.改进的叠前去噪方法[J].石油地球物理勘探,1999,34(4):35-36
    [80]郑鸿明.折射波法相对静校正,地震资料处理技术论文集[C],北京:石油工业出版社,1995:231-249
    [81]阎世信等.山地地球物理勘探技术[M].北京:石油工业出版社,2000:66-67.
    [82]刘立彬.复杂地区地震资料处理技术研究与应用[D].华东,中国石油大学,2005
    [83]李国发,廖前进,王尚旭.合成地震记录层位标定若干问题的探讨[J].石油物探,2008,47(2):145-149
    [84]王立歆,孙振涛,董月昌.合成地震记录制作中存在的问题及对策[J].勘探地球物理进展,2007,30(4):292-296
    [85]石玉.塔河油田合成地震记录的制作及应用[J].石油物探,2004,43(4):400-403
    [86]单刚义,韩立国,张丽华.子波整形提高合成地震记录质量[J].吉林大学学报地球科学版,2006,36:182-184
    [87]王树华,刘怀山,张云银.变速成图方法及应用研究[J].中国海洋大学学报,2004,34(1):139-146
    [88]何际平,鲁烈琴,王红旗.复杂地区速度场建立与变速构造成图方法研究[J].地球物理学进展,2006,21(1):167-172
    [89]凡友先.马家嘴地区断层识别技术研究[J].石油天然气学报,2008,30(2):456-457
    [90]陈双庆,陈昌武,王树敏.小断层的分辨识别与反射波特征[J].山东科技大学学报;自然科学版,2005,24(4):51-54.
    [91]王永刚,刘礼农.利用相干数据体检测断层与特殊岩性体[J].石油大学学报:自然科学版,2000,24(1):69-72.
    [92]邵卫杰,李巍然.三维相干技术在埕岛油田断层解释中的应用[J].断块油气田,2003,10(2):30-31.
    [93]张辉.利用地震波阻抗反演方法预测煤层顶板砂岩富水区域[D],北京:中国矿业大学,2010.
    [94]蔡利文.利用波阻抗反演方法预测淮南顾桥矿区13一1煤项板砂岩孔隙度[D],北京:中国矿业大学,2010.
    [95]何凯.利用波阻抗反演方法预测淮南顾桥矿区灰岩孔隙度[D],北京:中国矿业大学,2010.
    [96] Miller G.F. and Pursey H, The field and radiation impedance of mechanical radiators onfree surface of a sem-infinite isotropic solid, Proc. R.Soc.Series A,Vol.223(1954), P.521-541.
    [97] Hootman B.W. and Hart D. I.,1998,the realities of processing mixed-source seismicsurvey,68thAnn. Internet. Mtg:Sco. of Exploration.Geophys,1436-1439.
    [98]杨永波,张玉忠.运用三维地震资料预测瓦斯富集区[J].煤炭技术,2009,28(2):141-142
    [99]张应波.Biot理论应用于地震勘探的探索[J].石油物探.1994,33(4):29-38.
    [100]杨永波,张玉忠.用基于相似的相干算法计算三维地震属性[J].石油物探译丛,1999,(3):22-37.
    [101]刘维国,包洪洋,董晓丽.双相介质中的密度反演.哈尔滨工业大学学报.1994,26(6):l-5
    [102]王家立,尹洪胜,刘香斌,等,BP神经网络和线性神经网络在煤与瓦斯突出预测中的应用研究[J].矿山机械,2010,38(10):64-68
    [103]刘垒,杨胜强,赵磊,等.BP神经网络在煤与瓦斯突出预测中的应用[J].煤炭科技,2011,(2):58-60
    [104]董长虹.Matlab神经网络与应用[M],北京:国防工业出版社,2005:5-6.
    [105] Yang Hua,Fu Suotang and Wei Xinshan,2004,Geology and exploration of oil and gas inthe Ordos Basin:Applied Geophysics,1(2):103-109.
    [106] Wang zhaofeng,Jia dongxu,yu qixiang.Study On The Gas Adsorption Law Of Coal. InDrillin Mud During Coring.2003.
    [107] Xi MC.Prediction ofprogressive surface subsidence above long-wallcoalmining using atime function.2001.
    [108] Cousin C A,Jeffey A.Digital analysis of explosion wave propagation,Quarrt ColoradoSchool of Mines,1997,55(4).
    [109]秦喜文,李恩利,王小慧.鄂尔多斯万利矿区规划与建设问题探讨[J].陕西煤炭,2010,(4):1-5
    [110]丁易.张豫生.编制矿区总体规划应注意的几个问题[J].煤炭工程,2002(9):2-5
    [111]王纪山,李克民.平朔矿区总体发展新模式探讨[J],中国煤炭,2006,32(10):14-16
    [112]张锦高,成金华,吴巧生.关于矿产资源规划中几个基本问题的探讨[J].中国地质矿产经济2002,15(9):26-28
    [113]王承志.井田开拓方案的可行性分析[J]. Ci-tech Information Development&Economy,2011,21(32),183-185
    [114]杨永清.巴彦高勒矿井井田开拓方式的探讨[J].山西煤炭,2010,31(4):48-51
    [115]汪春芹.南坪矿井井田开拓设计探讨[J].煤炭现代化,2007(4):22-24
    [116]罗建峰,王琦.甘肃庆阳宁中矿区规划研究[J].煤炭工程,2013(4):12-15

© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号

地址:北京市海淀区学院路29号 邮编:100083

电话:办公室:(+86 10)66554848;文献借阅、咨询服务、科技查新:66554700