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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2016  >  38(1): 108-112
Shan Yixian, Lao Haigang, Wang Yongshi, Chen Jianping. Physical simulation of the influence of lithological differences on fault zone structure[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2016, 38(1): 108-112. doi: 10.11781/sysydz201601108
Citation: Shan Yixian, Lao Haigang, Wang Yongshi, Chen Jianping. Physical simulation of the influence of lithological differences on fault zone structure[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2016, 38(1): 108-112. doi: 10.11781/sysydz201601108
shu

Physical simulation of the influence of lithological differences on fault zone structure

doi: 10.11781/sysydz201601108
  • 1.

    College of Information and Control Engineering, China University of Petroleum, Qingdao, Shandong 266580, China

  • 2. College of Mining Engineering, North China University of Science and Technology, Tangshan, Hebei 063009, China

  • 3. Exploration and Development Research Institute, SINOPEC Shengli Oilfield Company, Dongying, Shandong 257015, China

  • 4. SINOPEC Shengli Oilfield Company, Dongying, Shandong 257015, China

  • Received Date: 2014-09-27
  • Rev Recd Date: 2015-12-18
  • Publish Date: 2016-01-28
    Abstract
  • The controlling stratigraphic elements for fault zone structure were studied. Possible fault zone structures in sand and mudstone formations were simulated in view of sand and mudstone mechanical properties and contents. The Poisson's ratio and content of mudstone controlled fault zone structure and its internal unit size. The Poisson's ratio of sand did not directly determine fault zone structure, which might be explained by the brittle deformation of sand in the experiment. On the contrary, sand content was a key element for fault zone structure. When mudstone content was fixed, the Poisson's ratio of sand controlled the width of the fault zone. When the ratio of mud to sandstone Poisson's ratio was 1-1.33, dualistic structure developed in the fault zone. When the Poisson's ratios of sand and mudstones were less than 0.28 and 0.34, respectively, a unitary fault zone with loose structure formed. When the Poisson's ratios of sand and mudstones were more than 0.35 and 0.38, respectively, a closed unitary sliding surface developed.

     

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