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Pre-Drilling Prediction Techniques on the High-Temperature High-Pressure Hydrocarbon Reservoirs Offshore Hainan Island,China

查看全文 作　　者：ZHANG [1]Hanyu;LIU [2]Huaishan;WU [1,3,5]Shiguo;SUN [1]Jin;YANG [4]Chaoqun;XIE [1]Yangbing;CHEN [1]Chuanxu;GAO [1]Jinwei;WANG [1]Jiliang 高影响力作者 机构地区：[1]Laboratory of Marine Geophysics and Georesource,Institute of Deep-Sea Science and Engineering,Chinese Academy of Science,Sanya 572000,China;[2]Key Laboratory of Submarine Geosciences and Prospecting Techniques,Ministry of Education,Ocean University of China,Qingdao 266100,China;[3]Laboratory for Marine Geology,Qingdao National Laboratory for Marine Science and Technology,Qingdao 266061,China;[4]Shenzhen Branch of CNOOC,Shenzhen 518000,China;[5]College of Earth Sciences,University of Chinese Academy of Sciences,Beijing 100049,China高影响力机构 出　　处：《Journal of Ocean University of China》索引2018年第17卷第1期,共11页高影响力期刊 基　　金：funded by the National Basic Research Program of China (No. 2015CB251201);the NSFC-Shandong Joint Fund for Marine Science Research Centers (No. U1606401);the Scientific and Technological Innovation Project financially supported by Qingdao National Laboratory for Marine Science and Technology (No. 2016ASKJ13);the Major National Science and Technology Programs (No. 016ZX05024-001-002);the Natural Science Foundation of Hainan (No. ZDYF2016215);Key Science and Technology Foundation of Sanya (Nos. 2017PT13, 2017PT2014) 摘　　要：Decreasing the risks and geohazards associated with drilling engineering in high-temperature high-pressure(HTHP) geologic settings begins with the implementation of pre-drilling prediction techniques(PPTs). To improve the accuracy of geopressure prediction in HTHP hydrocarbon reservoirs offshore Hainan Island, we made a comprehensive summary of current PPTs to identify existing problems and challenges by analyzing the global distribution of HTHP hydrocarbon reservoirs, the research status of PPTs, and the geologic setting and its HTHP formation mechanism. Our research results indicate that the HTHP formation mechanism in the study area is caused by multiple factors, including rapid loading, diapir intrusions, hydrocarbon generation, and the thermal expansion of pore fluids. Due to this multi-factor interaction, a cloud of HTHP hydrocarbon reservoirs has developed in the Ying-Qiong Basin, but only traditional PPTs have been implemented, based on the assumption of conditions that do not conform to the actual geologic environment, e.g., Bellotti's law and Eaton's law. In this paper, we focus on these issues, identify some challenges and solutions, and call for further PPT research to address the drawbacks of previous works and meet the challenges associated with the deepwater technology gap. In this way, we hope to contribute to the improved accuracy of geopressure prediction prior to drilling and provide support for future HTHP drilling offshore Hainan Island. 关 键 词：pre-drilling prediction techniques formation PORE pressure high-temperature high-pressure hydrocarbon RESERVOIRS HAINAN Island Ying-Qiong Basin
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