现代地质
現代地質
현대지질
GEOSCIENCE-JOURNAL OF GRADUATE SCHOOL CHINA UNIVERSITY OF GEOSCIENCES
2014年
2期
300-307
,共8页
构造解析%构造建模%技术方法%多层次逆冲推覆构造模型%米泉%博格达山
構造解析%構造建模%技術方法%多層次逆遲推覆構造模型%米泉%博格達山
구조해석%구조건모%기술방법%다층차역충추복구조모형%미천%박격체산
structural analysis%structural modeling%technical methods%multi-level detachment thrust nappe%Miquan%Bogda Mountain
新疆博格达山西缘米泉地区油气地质条件优越,但构造变形复杂,地震资料品质较差,准确落实地下地质构造是油气勘探取得突破的关键。该区地表露头出露良好,地震、非地震(MT)和钻井等资料丰富,为落实地下地质构造提供了良好的资料基础。通过对该区地表地质、地震、非地震、钻井和测井等资料的综合研究与应用分析,结合对前人构造解析与建模理论成果和主要技术方法的总结,形成了针对山前冲断带复杂构造变形区以断层相关褶皱构造解析为核心、多因素约束的综合构造解析与建模技术,建立了米泉地区多层次逆冲推覆构造模型。这项技术应用于构造特别复杂地区低成像品质地震资料的构造解释,可有效降低地震资料解释的多解性。
新疆博格達山西緣米泉地區油氣地質條件優越,但構造變形複雜,地震資料品質較差,準確落實地下地質構造是油氣勘探取得突破的關鍵。該區地錶露頭齣露良好,地震、非地震(MT)和鑽井等資料豐富,為落實地下地質構造提供瞭良好的資料基礎。通過對該區地錶地質、地震、非地震、鑽井和測井等資料的綜閤研究與應用分析,結閤對前人構造解析與建模理論成果和主要技術方法的總結,形成瞭針對山前遲斷帶複雜構造變形區以斷層相關褶皺構造解析為覈心、多因素約束的綜閤構造解析與建模技術,建立瞭米泉地區多層次逆遲推覆構造模型。這項技術應用于構造特彆複雜地區低成像品質地震資料的構造解釋,可有效降低地震資料解釋的多解性。
신강박격체산서연미천지구유기지질조건우월,단구조변형복잡,지진자료품질교차,준학락실지하지질구조시유기감탐취득돌파적관건。해구지표로두출로량호,지진、비지진(MT)화찬정등자료봉부,위락실지하지질구조제공료량호적자료기출。통과대해구지표지질、지진、비지진、찬정화측정등자료적종합연구여응용분석,결합대전인구조해석여건모이론성과화주요기술방법적총결,형성료침대산전충단대복잡구조변형구이단층상관습추구조해석위핵심、다인소약속적종합구조해석여건모기술,건립료미천지구다층차역충추복구조모형。저항기술응용우구조특별복잡지구저성상품질지진자료적구조해석,가유효강저지진자료해석적다해성。
There are favorable hydrocarbon elements in the Miquan area of the western margin of Bogda Moun-tain,Xinjiang.However,complex tectonic deformation and poor seismic imaging quality make identification of underground structures difficult.The accuracy of such identification is the key to a breakthrough in oil and gas exploration.Well-exposed outcrops,seismic sections,magnetotelluric and drilling data,etc.,provide impor-tant information for defining underground structures.From an integrated analysis based on fault-related fold the-ory and main methods of structural analysis and modeling,it is pointed out that geological outcrops,magnetotel-luric ,drilling and logging data,together with other factors need to be comprehensively taken into account during seismic interpretation in order to accurately identify subsurface structures.Therefore,structural analysis and modeling implies a highly comprehensive work in the tectonically-deformed zone of the foreland fold and thrust belt.Beginning with a summary of traditional structural analysis and modeling workflows and theoretical methods for complex structures,a new multi-factors-constrained,integrated analysis and modeling technique is pro-posed,based on fault-related fold analysis.Using this developed technology as a guide,a multi-level detach-ment thrust nappe model is built for the Miquan area of the western margin of Bogda Mountain,Xinjiang.This technique can be applied to guide the seismic interpretation of strongly-deformed,low image quality structures, effectively improving its accuracy.