[1]CNPC Great Wall Drilling Company;
Beijing 100101;
China;
[2]China University of Petroleum (Beijing);
Beijing 102249;
China;
[2]China University of Petroleum (Beijing);
Beijing 102249;
China;
[2]China University of Petroleum (Beijing);
Beijing 102249;
China;
[2]China University of Petroleum (Beijing);
Beijing 102249;
China;
tight sandstone; horizontal well; multi-staged fracturing; perforation; net pressure in fracture; stress interference between fractures; fracture propagation;