Jing Sun1,2,3,*, Dehua Liu1,2,3, Xiang Zhu1,2,3, Wenjun Huang1,2,3, Liang Cheng1,2,3
FDMP-Fluid Dynamics & Materials Processing, Vol.16, No.3, pp. 425-440, 2020, DOI:10.32604/fdmp.2020.08531
Abstract Low permeability tight sandstone reservoirs have a high filtrational
resistance and a very low fluid flow rate. As a result, the propagation speed of
the formation pressure is low and fluid flow behaves as a non-Darcy flow, which
typically displays a highly non-linear behavior. In this paper, the characteristics
and mechanism of pressure propagation in this kind of reservoir are revealed
through a laboratory pressure propagation experiment and through data from an
actual tight reservoir development. The main performance mechanism is as follows: A new pressure cage concept is proposed based on the pressure variation
characteristics of the laboratory experiments.… More >
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