Study On The Adaptability Of The Horizontal Well Technology In Low Permeability Reservoir In Xiliu-Tongkou Area

Horizontal well technology is one of the most important technologies adopted by major oil companies all over the world.With the development of exploration,the proportion of proven reserves in low permeability reservoirs is becoming larger.Through the research and summary of the adaptability of horizontal well technology in low permeability reservoir in North China Jizhong Xiliu,a set of suitable technology of horizontal well is formed for the development of Raoyang sag in Jizhong depression.It is applied to raise the well production rate and oil recovery,to improve the reservoir development effect,to consummate the production pattern of horizontal well,to increase the production of low permeability reserves and to enhance the overall efficiency.Moreover,it has certain theoretical and practical significances to guide the development of oil and gas field as well as horizontal well deployment.Based on the geological data of the Tongkou Xiliu,the design standards and methods of horizontal well in this block were developed.By comparing with the similar reservoirs nearby,the related data of injection wells are confirmed,both the water injection and oil recovery are analyzed.With the combination of the dynamic and static data,the adaptability of well pattern and development regime are evaluated by summarizing the developing problems and analyzing the influencing factors.The suitable technological parameters and methods are developed by evaluating the relative technology of horizontal wells in this area.Moreover,combining reservoir engineering,type,pattern,spacing and fracture form of horizontal well are studied to determine the appropriate deployment of it.The results of this study can be applied in guiding the development of reservoirs with similar geological conditions.