Study On High Resolution Processing Technology Of Multi-information Integration

In recent years,oil and gas exploration in China is in an important transition period,exploration targets and the transformation of exploration technology make exploration more difficult,so we should explore the processing and interpretation techniques with higher resolution and accuracy.The continuation of seismic data in this paper,we study the pluralistic information integration technology,combined with acoustic logging data,the interwell seismic data,VSP data and other exploration data,through the various data is divided into different scales,different frequency,refactoring for matching and integration,and implementation of small,thin lithology and heterogeneity of complex reservoir fine description.Due to the formation of high frequency attenuation effect,according to the current research status and development direction of seismic wave attenuation theory,this article first overview of basic model for describing the formation absorption effect,and in the time domain and frequency domain respectively discuss the extracting method of quality factor Q value.On this basis,starting from the equation of inverse Q filtering,derivation of plane wave and stable expression of wavelength continuation,the seismic high resolution processing method based on the absorption of information,and then combined with the actual geological conditions,proved that after processing of seismic profiles in phase axis clearer,wave group characteristics and continuity,but obviously good,as to improve the resolution of seismic data.In the process of traditional seismic data processing,people pay more attention to the recovery and continuation of high frequency information,but the low-frequency information is also very important in the processing of seismic data.So in the second part of this paper to join to constraint of seismic data,logging a priori information with logging data abundant high frequency information and complete low-frequency component to complement the shortcomings of the limited bandwidth of seismic data.On the basis of introducing the basic principle of traditional deconvolution,the effect of Gabor deconvolution and wiener deconvolution on attenuation seismic path is compared,and the results show that the effect of Gabor deconvolution is more obvious.Then introduce extension frequency seismic data processing method under the restriction of well logging,this paper,the principle of this technique are discussed in detail,and through the model trial and actual data processing after extension frequency of seismic data and its frequency before the comparison,the results also verify the validity of the method.The third part first introduces the compression based on seismic data from similar information awareness band development method,mainly introduced the method principle of bayesian compressed perception and deconvolution method based on bayesian compressed perception,and inversion.And then studied the multiband data integration earthquake reconstruction method,through the division of different types of spectrum,maintain effective energy section,intermediate frequency of low frequency and high frequency data for processing,then fuses in the effective frequency and expanded the low-frequency radio frequency energy and obtain broadband data,improve the resolution of seismic data.