Influence of Spatial Distribution of Pores on NMR Transverse Relaxation Time in Pebbly Sandstone

Abstract

Feng Wu*, Yanping Xi, Qicheng Fan, Cong Yao, Linlin Cong, Fengsheng Zhang, and Yan Kuang State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, Sichuan, China Shandong Provincial Key Laboratory of Depositional Mineralization & Sedimentary Mineral, Shandong University of Science and Technology, Qingdao 266590, Shandong, China School of geoscience and technology, Southwest Petroleum University, Chengdu 610500, China Hua xinsheng oil and gas operations management limited company, Chengdu 6105051, China Yanchang Oilfield Co., Ltd, Shaanxi Yanchang Petroleum(Group) Co., Ltd, Yan’an, Shanxi 717208, China Oil and Gas Evaluation Centre, China Petroleum Logging Corporation, China National Petroleum Corporation, Xi’an 710021, China