物探化探计算技术
物探化探計算技術
물탐화탐계산기술
COMPUTING TECHNIQUES FOR GEOPHYSICAL AND GEOCHEMICAL EXPLORATION
2010年
1期
48-53
,共6页
程谦%阎建国%朱强%帅庆伟
程謙%閻建國%硃彊%帥慶偉
정겸%염건국%주강%수경위
高分辨率%相干属性剖面%礁体%沉积特征
高分辨率%相榦屬性剖麵%礁體%沉積特徵
고분변솔%상간속성부면%초체%침적특정
high-resolution%coherency sections%reef%sedimentary settings
目前国内、外主要应用相干分析技术进行断层裂缝识别和河道砂体空间展布特征等的分析,而且也主要应用相干体的平面特征来进行平面分析.我们发现,相干体的剖面细节信息对于一些沉积特征(上超、前积等)和礁体特征(边界、内幕等)往往要比原始的振幅剖面特征清楚得多.特别是利用高分辨率相干分析结果,完全可以在相干属性剖面上进行一些沉积特征的分析,甚至层位的对比解释等.这里结合实际地震资料,探讨总结了礁体及相关沉积现象在相干属性剖面上的特征,并结合相干属性的平面特征进行了礁体及沉积特征的识别,取得了良好效果.
目前國內、外主要應用相榦分析技術進行斷層裂縫識彆和河道砂體空間展佈特徵等的分析,而且也主要應用相榦體的平麵特徵來進行平麵分析.我們髮現,相榦體的剖麵細節信息對于一些沉積特徵(上超、前積等)和礁體特徵(邊界、內幕等)往往要比原始的振幅剖麵特徵清楚得多.特彆是利用高分辨率相榦分析結果,完全可以在相榦屬性剖麵上進行一些沉積特徵的分析,甚至層位的對比解釋等.這裏結閤實際地震資料,探討總結瞭礁體及相關沉積現象在相榦屬性剖麵上的特徵,併結閤相榦屬性的平麵特徵進行瞭礁體及沉積特徵的識彆,取得瞭良好效果.
목전국내、외주요응용상간분석기술진행단층렬봉식별화하도사체공간전포특정등적분석,이차야주요응용상간체적평면특정래진행평면분석.아문발현,상간체적부면세절신식대우일사침적특정(상초、전적등)화초체특정(변계、내막등)왕왕요비원시적진폭부면특정청초득다.특별시이용고분변솔상간분석결과,완전가이재상간속성부면상진행일사침적특정적분석,심지층위적대비해석등.저리결합실제지진자료,탐토총결료초체급상관침적현상재상간속성부면상적특정,병결합상간속성적평면특정진행료초체급침적특정적식별,취득료량호효과.
Coherency analysis techniques have been widely used to detect faults and fractures and to describe the distribution of channel sandstones at home and abroad, and the coherency map and volume are mainly used in the analysis. We find that the characteristics of reef and sedimentary settings are usually much more clear in coherency sections than in original amplitude sections. Especially, when we do the high resolution coherency analysis, we can do the characterization of sedimentary settings, even the horizon picking in coherency sections. This paper presents and summaries our works on reef and sedimentary settings characterization in coherency sections and detecting the reef and sedimentary settings combining with coherency volume and map. The very positive results have been achieved in our study.