Matching technology for increasing ROP in tight oil horizontal well in Placanticline and Qijia of the Daqing oilfield

To address problems such as long horizontal section,low ROP,high drilling construction difficulty,long drilling cycle,hole instability in tight oil horizontal well in Placanticline and Qijia areas of Daqing oilfield,with well trajectory optimization,the drilling construction difficulty was declined.Through optimized high efficient screw,the drilling construction efficiency was improved.With the development and application for increased ROP drilling tools,the ROP was increased highly in deflecting section and horizontal section.With the development of high performance water-based drilling fluid system,the antisloughing in long horizonal section was achieved.The ROP increased highly by 14 wells field experiment.The ROP was 10.53 m/h,which increased 25.68% by contrast before the experiment.Form the matching technology for increasing ROP in tight oil horizontal well in Placanticline and Qijia areas of Daqing oilfield.