半封闭边水油藏特高含水期剩余油分布特征

双河油田437 块Ⅱ 4–6 层系是一个典型的半封闭边水油藏，边水活跃，目前油藏进入特高含水期，单元采出程度45.82%，综合含水率高达97.8%。根据储层地质资料，采用协同克里金确定性建模方法建立了双河油田437 块Ⅱ 4–6 层系的三维地质模型。利用三维地质建模成果，结合储层地质特征、地层流体性质以及油藏生产动态资料，采用油藏数值模拟的方法，得出目前双河油田437 块Ⅱ 4–6 层系剩余油的分布特征及剩余油富集区域，为开发方案调整，高含水期剩余油挖潜提供了可靠的依据。

Focusing on Language Form:an Exploration of a New Angle in College English Teaching

Focus on form instruction is viewed as a potential solution to the dilemma in which traditional language teaching can result in limited fluency whereas communicative approaches tend to produce fluency with less accuracy.Integrating language forms into meaning-oriented communicative activity,Focus on form has become a heatedly discussed issue in the research of the second language acquisition home and abroad.This article introduces the theoretical background,especially relevant theories in cognitive psychology,and describes classifications of the instruction and highlights its possible pedagogical implementations in college English teaching.It is supposed to draw due attention of the language teachers in Chinese colleges to the instruction and to urge joint efforts for a feasible approach to a solution to the dilemma in college English teaching.