CAJ | 학술논문

由于多分量勘探能够获得反映介质各向异性的C波及流体性质的P波资料,兼备了P波和S波勘探的优势,因此随着多波多分量技术的发展,转换波勘探技术在油气勘探中逐渐得到推广应用.然而,三维三分量地震勘探相对于常规三维地震勘探,其成本仍然很高.为此,提出了把多分量转换波技术用于常规的三维地震勘探.通过对前期资料认真分析,和对地球物理参数充分论证的基础上,设计出满足地质任务需求的合理观测系统.通过对激发参数的优化,确定不同条件下的接收因素,采用多分量转换波技术,野外采集获得了成功,并取得了高质量的原始地震资料.单炮原始记录信噪比和分辨率都很高,Z分量和R分量叠加剖面波组特征清楚,同相轴连续,反射信息丰富,具有非常好的构造形态一致性,为类似地区多分量转换波技术推广应用积累了宝贵的经验.
유우다분량감탐능구획득반영개질각향이성적C파급류체성질적P파자료,겸비료P파화S파감탐적우세,인차수착다파다분량기술적발전,전환파감탐기술재유기감탐중축점득도추엄응용.연이,삼유삼분량지진감탐상대우상규삼유지진감탐,기성본잉연흔고.위차,제출료파다분량전환파기술용우상규적삼유지진감탐.통과대전기자료인진분석,화대지구물리삼수충분론증적기출상,설계출만족지질임무수구적합리관측계통.통과대격발삼수적우화,학정불동조건하적접수인소,채용다분량전환파기술,야외채집획득료성공,병취득료고질량적원시지진자료.단포원시기록신조비화분변솔도흔고,Z분량화R분량첩가부면파조특정청초,동상축련속,반사신식봉부,구유비상호적구조형태일치성,위유사지구다분량전환파기술추엄응용적루료보귀적경험.
By virtue of 3C3D seismic prospecting can acquire con-verted wave (which can describe rock frame and anisotropic fea-tures) and compressed wave (which can describe rock frame and fluid features) simultaneously, it has the both advantages of P-wave and C-wave,along with quickly developing of the digital multi-component digital seismic instrument and continuously im-proving of the seismic data acquisition method, the cost of multi-component converted-wave exploration is greatly reduced, and 3D3C technique is gradually applied in oil and gas exploration. Then, the cost of 3D3C exploration is still more than general 3D exploration. So, we put forward one way that multi-component converted-wave technique is applied in general 3D seismic explora-tion. Acquisition method in 3D3C seismic exploration is very im-portant. By analyzing the data that was obtained before and argu-mentation based on the geophysical parameters, we designed rea-sonable geometry system that could be fit for geological task re-quirement. By means of optimization of the shooting parameters and confirming a variety of conditions receiving factor, we achieved howling success in field acquisition. And we obtained first-rate raw seismic data. The signal to noise and resolution of raw single shots are both good. And the acquired data have clear and continuous events and abundant reflection information. There-fore, there are clear reflection imaging, obvious reflection charac-teristics for the target and good consistency in structure form for both the Z section and the R. For application and popularization of the multi-waves we accumulated valuable experience.