复杂断块油藏注采井网对储量控制程度评价方法研究与应用
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摘要
复杂断块油藏纵向上油层多、高低渗储层间互发育,平面上油砂体发育面积小、几何形态不规则,导致注采井网对储量控制程度低,合理评价注采井网对储量的控制程度,是进行油藏开发调整的关键。针对复杂断块油藏的特点,综合应用渗流力学、油藏工程基本理论,分析了复杂断块油藏在现有注采井网条件下无法形成水驱控制储量的影响因素及潜力,为开发调整提供依据。
The complex fault block reservoir has many reservoirs in the longitudinal direction,high and low permeability reservoirs develop in each other, and the oil sand body in the plane has small development area and irregular geometry. As a result, the control degree of reserves by injection-production well pattern is low, and the reasonable evaluation of the control degree of reserves by injection-production well pattern is the key to the adjustment of reservoir development.According to the characteristics of complex fault block reservoirs,the influencing factors and potential of complex fault block reservoirs unable to form water drive control reserves under the existing injection-production well pattern are analyzed,which provides a basis for development and adjustment.
The complex fault block reservoir has many reservoirs in the longitudinal direction,high and low permeability reservoirs develop in each other, and the oil sand body in the plane has small development area and irregular geometry. As a result, the control degree of reserves by injection-production well pattern is low, and the reasonable evaluation of the control degree of reserves by injection-production well pattern is the key to the adjustment of reservoir development.According to the characteristics of complex fault block reservoirs,the influencing factors and potential of complex fault block reservoirs unable to form water drive control reserves under the existing injection-production well pattern are analyzed,which provides a basis for development and adjustment.
引文
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