Xinjiang Petroleum Geology ›› 1991, Vol. 12 ›› Issue (2): 150-159.

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DERIVATION OF THE PSEUDO—STEADY—STATE STAGE RELATIONSHIP OF PRESSURE DRAWDOWN CURVE AND ITS JUDGING METHODS

Chen Yuanqian   

  1. Scientific Research Instiivle of Petroleum Exyhration and Developneat,China Oil and Gas Corporation
  • Received:1990-12-04 Published:2020-05-27

Abstract: The Pseudo—Steady—State of pressure drawdown curve is an important stage of transient wcii testing. It is usually used to predict reserves of oil and gas reservoirs. The relationship of the Pseudo一steady 一state stage is derived judging methods are presented in this paper.

Key words: pressure drawdown curve, pressure behavior, pseudo一steady—state stage