油气地质

左旋走滑对十屋油田构造形态的影响及石油地质意义

  • 李乐 ,
  • 牟中海 ,
  • 汪立群 ,
  • 徐峰
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  • 1.西南石油大学资源与环境学院; 2.中国石油辽河油田公司
甘学启,1986 年生,男,西南石油大学在读硕士研究生,主要从事构造、裂缝方面的研究。地址:(610500)四川省成都市新都 区西南石油大学硕09 级5 班。E-mail:gxqyyaswy@126.com

网络出版日期: 2011-06-20

Influence of left-lateral slip on structural form in Shiwu Oilfield and it’s petroleum geological significance

  • LI Le ,
  • MU Zhonghai ,
  • WANG Liqun ,
  • XU Feng
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  • 1. School of Resources and Environment, Southwest Petroleum University, Chengdu 610500, China; 2. Liaohe Oilfield Company, PetroChina, Panjin 124010, China)

Online published: 2011-06-20

摘要

十屋油田左旋走滑构造运动开始于沙河子—营城组沉积末期,至登娄库组沉积末期时最为强烈,形成了小宽走滑带等3 个NE 向挤压走滑带。三维地震研究表明,十屋油田走滑构造样式并非单纯走滑,而是呈前期走滑后期伸展或前期走滑后期挤压的发育状态,出现了负花状、“F”型、反“Y”字型和正花状等构造样式。左旋走滑运动产生的构造样式不仅控制着十屋油田沉积沉降中心的发育,而且对油气的运聚也有着重要意义。

本文引用格式

李乐 , 牟中海 , 汪立群 , 徐峰 . 左旋走滑对十屋油田构造形态的影响及石油地质意义[J]. 岩性油气藏, 2011 , 23(3) : 40 -43 . DOI: 10.3969/j.issn.1673-8926.2011.03.008

Abstract

The tectonic movement of left-lateral slip in Shiwu Oilfield began from the depositional stage of Shahezi Formation to the last depositional stage of Yingcheng Formation. It became the most intense in the last depositional stage of Denglonku Formation and formed three press-slip zones to the northeast including Xiaokuan strike-slip zone. Three dimensional seismic study shows that the strike-slip tectonic style in Shiwu Oilfield is not simply a slip, but slip in the beginning and extension in the end or slip in the beginning and pressing development in the end, and there are some kinds of tectonic styles, such as negative flower, “F” type, anti-“Y” type and positive flower. The tectonic styles produced by the movement of left-lateral slip not only control the development of the deposition and sedimentation centre, but also are meaningful to the petroleum migration and accumulation.

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