Study On The Integrated Geosteering Guidance Technology Of Horizontal Well Logging In Gulong Sag In Songliao Basin

With the development of oil and gas exploration in-depth study and understanding of the geological object is more complex and sophisticated,drilling engineering challenges facing the more severe,these to geosteering technology put forward higher requirements,the research and application of comprehensive logging technology is oriented in order to cope with the new challenges and requirements.Logging comprehensive theoretical study and field oriented technology based on reality,to play the role of application of logging data in the guide,combined with the LWD data analysis system,using horizontal well logging geosteering developed,rapid drilling analysis and evaluation of the actual situation,reduce caused by geological drilling targets are not clear the risk,reduce the cost of production,for the thin reservoir and the top of the thick oil layer residual oil of complex oil and gas reservoir exploitation provides technical support,effective control of the drilling track in the reservoir.Field application shows that mud logging technology is improving day by day.Horizontal well logging and geological guidance analysis system has broad prospects for development and application.Well logging guidance technology research has important guiding significance for future horizontal well construction.Horizontal well trajectory control,is the most critical in gulong sag of songliao basin because of the complexity of the reservoir geologic structure,stratum changes of uncertainty,while drilling logging technology problems such as blind area,during the construction of the horizontal well trajectory control technology has the certain difficulty.The paper in gulong sag of songliao basin area,on the basis of geological characteristics,using horizontal well logging comprehensive guidance technology,the establishment of horizontal well trajectory control technology system and the formation of form a complete set of tools and working mode,aiming at comprehensive logging geosteering technology play an effective role in the trajectory control.The paper summarizes the field logging guide construction plan formulation method,seven kinds of landing control method,6 kinds of horizontal section control method and control methods according to different reservoir summary,guide for the logging mode,using a set of horizontal well logging geosteering analysis system software,formed the horizontal well logging geosteering method,which in turn guide horizontal well trajectory control.Through the above method for precise landing and keep in the objective layer through horizontal well trajectory control provides the basis,reduce mistakes and risks,improve the rate of sandstone reservoir and drilling horizontal well,indirectly,create more economic limitation for oil field.The results of the summary have high application value,remarkable social benefit and good application prospect.