杨帆,胡望水,蔡文杰,陈章文
YANG Fan,HU Wangshui,CAI Wenjie,CHEN Zhangwen

• 1:长江大学地球科学学院
• 2:油气资源与勘探技术教育部重点实验室
• 3:中国海洋石油国际有限公司

摘要(Abstract)：

由于盐构造变形的特殊性及研究区所处构造背景的复杂性,影响盐层构造变形的因素众多,且在不同阶段主导因素有所差异。为了查明Perdido构造带盐泥底辟构造的特征及其形成机制,充分利用测井、地震资料,选取典型剖面进行构造解释,从研究区区域构造特征、演化历史、动力学机制等方面进行分析。结果表明:Perdido构造带为盐构造和盐泥构造组合,是多套盐、泥丘、刺穿构造的组合,是长期发育的多层盐泥几乎同时活动引起的生长型构造样式;研究区多期盐、泥底辟复杂构造发育演化历史划分为6个阶段;差异负荷作用为盐、盐泥构造的主导动力学机制。研究成果对墨西哥湾西部Burgos盆地Perdido构造带深水油气勘探具有一定的指导意义。
Due to the particularity of the salt tectonic deformation and the complexity of the tectonic background in the study area, there are many factors affecting the salt tectonic deformation, and the leading factors are different at different stages. In order to find out the characteristics and their forming mechanisms of the salt-mud diapiric structure in Perdido Structure Belt, with the help of making full use of the logging and seismic data, and moreover selecting the typical sections, the structural interpretation was engaged, and furthermore from the viewpoints of the regional structural characteristics, evolutionary history, dynamic mechanism and so on in the study area, the corresponding analyses were conducted. The results show that Perdido Structure Belt is the combination between the salt structure and salt-mud structure, which is also the combination among the multiple sets of the salt, mud mound and piercing structure, and also the growth-type structure pattern resulted from the long-term developed multi-layer salt mud almost simultaneously acting; the development and evolution history of the multi-period salt and mud diapiric complex structures in the study area can be divided into six stages; the differential loading action is the dominant dynamic mechanism of the salt and salt mud structures. The research results have a certain guiding significance for the deep water oil and gas exploration in Perdido Structural Belt of Burgos Basin in West Gulf of Mexico.

关键词(KeyWords)： Burgos盆地;Perdido构造带;盐泥构造;底辟构造;形成机制
Burgos Basin;Perdido Structural Belt;salt-mud structure;diapiric structure;forming mechanism

Abstract:

Keywords:

基金项目(Foundation): “十三五”国家科技重大专项“西非-南美海域重点区油气地质评价及关键技术研究”(2017ZX05032-01)

作者(Author): 杨帆,胡望水,蔡文杰,陈章文
YANG Fan,HU Wangshui,CAI Wenjie,CHEN Zhangwen

DOI: 10.19597/j.issn.1000-3754.201908004

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