Lithologic Reservoirs ›› 2017, Vol. 29 ›› Issue (1): 104-109.doi: 10.3969/j.issn.1673-8926.2017.01.013

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Key techniques for surface array microseismic monitoring

DIAO Rui1,2, WU Guochen1, CUI Qinghui2, SHANG Xinmin2, RUI Yongjun2   

  1. 1. School of Geosciences, China University of Petroleum, Qingdao 266555, Shandong, China;
    2. Geophysical Research Institute, Shengli Oilfield Company, Sinopec, Dongying 257022, Shandong, China
  • Received:2016-07-25 Revised:2016-09-18 Online:2017-01-21 Published:2017-01-21

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Abstract: Based on shot points imaging of reservoir hydraulic fracturing, the microseismic monitoring technology can be used for hydraulic fracturing monitoring and well network layout optimization. The signal of surface microseismic monitoring is weaker than borehole, and the noise is widely distributed, which leads to locating errors and interpretation uncertainty. According to the characteristics of surface microseismic data, key techniques can be used to provide a basis of reservoir hydraulic fracturing. The microseismic joint denoising technique is used for noise attenuation, the energy focusing location technique can be used to improve the location precision, and the fracture integrated interpretation technique is conducive to improve the certainty of fracture prediction. In field application of microseismic monitoring, monitoring results are identical with reservoir development data of hydraulic fracturing wells, which confirms the validity and practicability of these key techniques. The surface array microseismic monitoring techniques have broad application prospects in tight reservoir exploration and development.

Key words: tuff, devitrification, reservoir characteristics, formation conditions, tight oil, Tiaohu Formation, Malang Depression

CLC Number: 

  • P631.4
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