【摘要】 以无限空间点源压力响应的基本解为基础,研究了水平方向无限大油藏在任意位置的压力响应,从测压点位置、等价压力点、多解性的解决办法等方面探讨了水平分支井的试井解释方法。以渤海油田4个分支井眼的水平分支井SZ36-1-CF1为例,系统研究了非均质双重介质油藏中瞬时压力响应的有效算法、在无限导流能力的井内等价压力点的取法、以及严重存在多解情形的试井解释方法等。对油田提高油藏采收率、增产具有重要意义。更多还原

【Abstract】 Based on the basic solutions of the pressure response of point source in infinite space, pressure responses at any point in a horizontally infinite reservoir are studied. Furthermore, methods of well-test interpretation are researched in aspects of observation points, equivalent pressure point and treatment for multi-solutions of pressure response. An example of horizontal multilateral well with 4 branches is given as Well SZ36-1-CF1 in Bohai Oilfield, the authors systematically study the efficient algorithm about transient pressure response in heterogeneous reservoirs with dual porosity, the calculation of equivalent pressure points in a well hole with infinite conductivity, the well-test interpretation method with serious solvability, etc. The achievement is of great importance to EOR and stimulation measures.更多还原