Secondary development technology of horizontal wells in edge-bottom water reservoirs——Taking the Gaoqianbeiqu oilfield as an example

In order to improve the status that the existing development pattern and methods can not improve the situation of high water cut , high production decline rate , low ratio of total oil produced to OOIP , low recovery factor after 20 years of development of Gaoqianbeiqu oilfield , this paper demonstrates the reasonable development technical policy of horizontal wells for various types of potential remaining oil , such as the reservoir thickness , the well position , the well length , and so on , and analyzes the application regulation technique of horizontal wells , on the basis of the classification and evaluation of potentials.The application acquired good effect and optimized the techniques of horizontal well in reservoirs with edge and bottom water in secondary development , which may guide the secondary development of similar reservoirs.