Architecture characterization of Ordovician fault-controlled paleokarst carbonate reservoirs in Tuoputai, Tahe oilfield, Tarim Basin, NW China

ZHANG Wenbiao,DUAN Taizhong,LI Meng,ZHAO Huawei,SHANG Xiaofei,WANG Yan

Fig. 7. Single well cave filling characterization based on outcrop pattern guidance. (A) Liuhuanggou outcrop, unfilled cave; (b) Liuhuanggou outcrop, mixed filling of breccia and sediment, etc.; (c) interpretation of cave filling characteristics in Well TH10421. dh—well diameter; GR—natural gamma; ρ—density; RLLD—deep lateral resistivity; ?—porosity.