基于Goupillaud模型的钻柱波数值模拟和信号分析方法
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摘要
基于传递矩阵可以用一系列反射系数来表示整个钻柱,而钻柱顶端接收的钻柱波信号含有与这些反射系数相关的信息。基于钻柱模拟实验数据,利用盲源反褶积进行反射系数计算,将截取的输入子波与反射系数褶积,得到了模拟输出信号。结果表明,模拟输出信号与实际采集的信号相关度较高。运用该方法对随钻地震参考信号进行了处理,达到了强化钻头源信号的目的。
Based on transfer matrix,the whole drillstring can be expressed by reflection coefficients.The drillstring wave signals measured at the drillstring top contains the information related to the reflection coefficients.Based on the drillstring simulated experimental data,the reflection coefficients was calculated by using blind deconvolution. We got simulated output signal by the convolution of intercepted input wavelet and reflection coefficient.The result shows that the correlation of the simulated signal and the actual signal is very high.The method was used to process seismic while-drilling reference signals,and the source signals were strengthened.
Based on transfer matrix,the whole drillstring can be expressed by reflection coefficients.The drillstring wave signals measured at the drillstring top contains the information related to the reflection coefficients.Based on the drillstring simulated experimental data,the reflection coefficients was calculated by using blind deconvolution. We got simulated output signal by the convolution of intercepted input wavelet and reflection coefficient.The result shows that the correlation of the simulated signal and the actual signal is very high.The method was used to process seismic while-drilling reference signals,and the source signals were strengthened.
引文
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[6]姜宇东.随钻地震技术综述[J].石油物探,2004,43 (2):202-208
[7]黄布宙,李舟波,莫修文,等.复杂泥质砂岩储层测井解释模型研究[J].石油物探,2009,48(1):40-47
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[10]Rector J W.Utilization of drill-bit vibrations as a downhole seismic source[D].Stanford,USA:Stanford University,1990
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[15]吕公河.地震勘探中振动问题分析[J].石油物探, 2002,41(2):154-157
[16]王珍应,潘欣,马德坤.底部钻具组合性能分析的传递矩阵法[J].石油机械,1994,22(4):16-21
[17]高岩.三牙轮钻头钻进时钻柱轴向振动的特征[J].石油学报,2000,21(6):93-96
[18]高岩,刘志国,郭学增.钻柱轴向振动固有频率的计算和测量[J].西安石油学院学报,2000,15(1): 39-43
[19]高岩,陈亚西,郭学增.钻柱振动信号采集系统及谱分析[J].录井技术,1998,8(1):8-12
[20]李子丰,张永贵,侯绪田,等.钻柱纵向振动分析[J].天然气工业,2004,24(6):70-73
[21]周德胜,马德坤,侯季康.牙轮钻头牙齿与岩石垂向互作用仿真模型[J].西安石油学院学报,1994,16 (9):50-54
[22]崔士波.钻头破岩振动及其沿钻柱的传播[D].北京:中国地震局地球物理研究所,2009
[23]克利尔波特J F.地球物理数据处理基础[M].北京:石油工业出版社,1983:198-228
[24]Bover A K,Meehan R J.钻柱成像——一种地面钻井振动的解释方法[J].国外油气勘探,1994,6(6): 763-770
[25]Canadas G.A mathematical framework for blind deconvolution inverse problems[J].Expanded Abstracts of 72~(nd) Annual Internat SEG Mtg,2002, 2202-2205
[26]Fu L Y.Joint inversion of seismic data for acoustic impedance[J].Geophysics,2004,69(4):994-1004
[27]Kaaresen K F,Taxt T.Multichannel blind deconvolution of seismic signals[J].Geophysics,1998,63 (6):2093-2107
[28]Sacchi M D,Ulrych T J.Improving resolution of radon operators using a model reweighted leastsquares procedure[J].Journal of Seismic Exploration, 1995,4:315-328
[29]Saggaf M M,Toksoz M N.An analysis of deconvolution: Modeling reflectivity by fractionally integrated noise[J].Geophysics,1999,64(4):1093-1107
[30]Todoeschuck J P,Jensen O G,Labonte S.Gaussian scaling noise model of seismic reflection sequences: Evidence from well logs[J].Geophysics,1990, 55(4):480-484
[31]Walden A T,Hosken J W.An investigation of the spectral properties of primary reflection coefficients [J].Geophysical Prospecting,1985,33(3):400-435
[32]Wu H Z,Fu L Y,Meng X H.Blind deconvolution of seismic signals with non-white reflectivities[J].Exploration Geophysics,2007,38:35-241
[33]陆斌,葛洪魁,吴何珍,等.利用相关域小波变换进行SWD资料预处理[J].地球物理学报,2009,52(9): 2349-2356
[2]Flavio P,Trieste,Milano.Seismic while drilling use of pilot signals with downhole motor drilling[J]. Expanded Abstracts of 68th Annual Internat SEG Mtg,1998,147-150
[3]Poletto F,Malusa M,Miranda F.Numerical modeling and interpretation of drillstring waves[J].Geophysics, 2001,66(5):1569-1581
[4]Clement K.Multichannel seismic experiment with a drill-bit source[D].Stanford,USA:Stanford University, 1990
[5]韩继勇.石油工程随钻地震新理论、新技术的研究[D].西安:西安石油学院,1998
[6]姜宇东.随钻地震技术综述[J].石油物探,2004,43 (2):202-208
[7]黄布宙,李舟波,莫修文,等.复杂泥质砂岩储层测井解释模型研究[J].石油物探,2009,48(1):40-47
[8]Deily F H,Dareing D W,Paff G H,et al.Downhole measurements of drill string forces and motions[J]. Transaction of American Society of Mechanical Engineering for Industry,1968,217-225
[9]Rector J W,Marion B P.The use of drill-bit energy as a downhole seismic source[J].Geophysics,1991, 56(5):628-634
[10]Rector J W.Utilization of drill-bit vibrations as a downhole seismic source[D].Stanford,USA:Stanford University,1990
[11]Lutz J,Raynaud M,Gstalder S,et al.Instantaneous logging based on a dynamic theory of drilling[J]. Journal of Petroleum Technology,1972,24(6): 750-758
[12]Myers G,David G,James R.Drilling string vibration: a proxy for identifying lithologic boundaries while drilling[J].Proceedings of the Ocean Drilling Program,Scientific Results,1999,179:1-17
[13]Mirzajanzade A H,Bulatov A I,Gusonan A M,et al. Well drilling and cementing:a system approach,Mo [R].Buenos Aires,Brazil:13~(rd) World Petroleum Conference, 1991
[14]王珍应,林建,施太和,等.钻柱振动特性分析与井底岩性识别方法初探[J].钻采工艺,2000,23(6):1-3
[15]吕公河.地震勘探中振动问题分析[J].石油物探, 2002,41(2):154-157
[16]王珍应,潘欣,马德坤.底部钻具组合性能分析的传递矩阵法[J].石油机械,1994,22(4):16-21
[17]高岩.三牙轮钻头钻进时钻柱轴向振动的特征[J].石油学报,2000,21(6):93-96
[18]高岩,刘志国,郭学增.钻柱轴向振动固有频率的计算和测量[J].西安石油学院学报,2000,15(1): 39-43
[19]高岩,陈亚西,郭学增.钻柱振动信号采集系统及谱分析[J].录井技术,1998,8(1):8-12
[20]李子丰,张永贵,侯绪田,等.钻柱纵向振动分析[J].天然气工业,2004,24(6):70-73
[21]周德胜,马德坤,侯季康.牙轮钻头牙齿与岩石垂向互作用仿真模型[J].西安石油学院学报,1994,16 (9):50-54
[22]崔士波.钻头破岩振动及其沿钻柱的传播[D].北京:中国地震局地球物理研究所,2009
[23]克利尔波特J F.地球物理数据处理基础[M].北京:石油工业出版社,1983:198-228
[24]Bover A K,Meehan R J.钻柱成像——一种地面钻井振动的解释方法[J].国外油气勘探,1994,6(6): 763-770
[25]Canadas G.A mathematical framework for blind deconvolution inverse problems[J].Expanded Abstracts of 72~(nd) Annual Internat SEG Mtg,2002, 2202-2205
[26]Fu L Y.Joint inversion of seismic data for acoustic impedance[J].Geophysics,2004,69(4):994-1004
[27]Kaaresen K F,Taxt T.Multichannel blind deconvolution of seismic signals[J].Geophysics,1998,63 (6):2093-2107
[28]Sacchi M D,Ulrych T J.Improving resolution of radon operators using a model reweighted leastsquares procedure[J].Journal of Seismic Exploration, 1995,4:315-328
[29]Saggaf M M,Toksoz M N.An analysis of deconvolution: Modeling reflectivity by fractionally integrated noise[J].Geophysics,1999,64(4):1093-1107
[30]Todoeschuck J P,Jensen O G,Labonte S.Gaussian scaling noise model of seismic reflection sequences: Evidence from well logs[J].Geophysics,1990, 55(4):480-484
[31]Walden A T,Hosken J W.An investigation of the spectral properties of primary reflection coefficients [J].Geophysical Prospecting,1985,33(3):400-435
[32]Wu H Z,Fu L Y,Meng X H.Blind deconvolution of seismic signals with non-white reflectivities[J].Exploration Geophysics,2007,38:35-241
[33]陆斌,葛洪魁,吴何珍,等.利用相关域小波变换进行SWD资料预处理[J].地球物理学报,2009,52(9): 2349-2356
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