Lithologic Reservoirs ›› 2011, Vol. 23 ›› Issue (5): 96-100.doi: 10.3969/j.issn.1673-8926.2011.05.019

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Fracture prediction of the bottom of T1 f 4 in Huanglongchang structure,northeastern Sichuan Basin

SHAO Xiaozhou1, QIN Qirong1, FAN Xiaoli2, SHI Lichuan3   

  1. (1. School of Resources and Environment, Southwest Petroleum University, Chengdu 610500, China; 2. Research Institute of Petroleum Exploration and Development, Zhongyuan Oilfield Company, Sinopec, Puyang 457001, China; 3. No.3 Oil Production Plant, Changqing Oilfield Company, PetroChina, Yinchuan 750001, China
  • Online:2011-10-20 Published:2011-10-20

Abstract:

According to the regional tectonic evolution in northeastern Sichuan Basin, Huanglongchang structure is the result ofmultiphase tectonic movements, and it is mostly affected by the force from NE to SWduring the late Himalayan movement. The finite element method and Mohr-Coulomb criterion are used to predict the fractures at the bottomof T1 f 4 in Huanglongchang structure. The result shows that the fractures are well developed in structural high and nearby, two sides of fault, as well as the intersections of faults. Underwent two periods of tectonic stress, six groups of fractures are formed in Huanglongchang structure, and the main trends of these fractures are NW, NE, NNE and NNW.

Key words: low permeability, Darcy flow, non-Darcy flow, reservoir, Reynolds number

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