关键词: VSP测井, 牛居油田, 牛74块, 滚动勘探

Abstract:

 Niuju oilfield as a sub sag in Liaohe basin is abundant in oil with over 30-year’s exploration history. Niu-74 block is a typical litho-structural reservoir, which has been continuously explored via new technologies, means, and methods and has been better understood in its structure, reservoir and oil-gas formation rules. As it is explored on, it becomes more difficult to extend its margin. The seismic reflection layer which can not be set up correctly, and faults are two major factors. This paper applies VSP technology to locate the strike and dipping of faults from seismic exploration lines, and verifies the extent of traps. This application enhances a high-solution explanation of seismic data, reveals the existence and location of faults and describes the structural morphology and faults, providing a reference for continued exploration in Niu-74 block.

Key words: VSP logging, Niuju oilfield, Niu-74 block, continued exploration