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Mechanism analysis and process optimization of sand and plug removal with rotating jet in horizontal wellZHU Xiao-hua(祝效华)1, 2, LI Jia-nan(李佳南)2, TONG Hua(童华)2(1. State Key Laboratory of Oil and Gas...:In the view of the problems existing in horizontal well, such as sand depositing and cleaning difficulty of borehole, a technology with rotating jet suitable to resolution of the problems was presented. Based......
Optimization design of piles subjected to horizontal loads based on reliability theoryZHAO Wen-yi(赵文艺)1, XU Zhi-Jun(徐志军)2, ZHENG Jun-Jie(郑俊杰)1(1. Institute of Geotechnical and Underground Engineering... on reliability theory, a general method for the optimization design of piles subjected to horizontal loads is presented. This method takes into consideration various uncertainties caused by pile installation......
MICROMECHANICS OF THE DAMAGE-INDUCED CELLULAR MICROSTRUCTURE IN SINGLE CRYSTAL Ni-BASED SUPERALLOYS M.Okazaki1,M.Sakaguchi1 (1.Department of Mechanical Engineering, Nagaoka University of Technology... microstructure formed in CMSX-4single crystal Ni-based superalloy. Key words:single crystal Ni-based superalloy; cellular microstructure; mi-cromechanics; average field approximation; stable shape......
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In-Situ Observation of SiC Bulk Single Crystal Growth by XRD System Hirotaka Yamaguchi1,Shin-ichi Nishizawa1,Tomohisa Kato1,Kazuo Arai1 (1.National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central, 1-1-1, Umezono, Tsukuba, Ibaraki 305-8568, Japan) Abstract:In-situ analysis for SiC bulk single crystal growth was reported using vertical X-ray diffractometer system......
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J. Cent. South Univ. (2017) 24: 394-401 DOI: 10.1007/s11171-017-3441-4 Blasingame production decline type curves for analysing a multi-fractured horizontal well in tight gas reservoirs WEI Ming... decline analysis methods for vertical wells, fractured wells and horizontal wells are widely used, limited study has conducted on Blasingame production decline type curves for multi-fractured horizontal......
γ/γ′ interface strengthening of Re in single crystal superalloys LUO Yu-shi(骆宇时), LI Jia-rong(李嘉荣), LIU Shi-zhong(刘世忠), HAN Mei(韩 梅), CAO Chun-xiao(曹春晓) National Key Laboratory of Advanced High... with various Re contents, the effects of Re on the interfacial structure characteristic and interfacial dislocations of γ/γ′ in single crystal superalloys were investigated. A high resolution transition......
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layer at 45° to the horizontal level were examined with various outside diameters of cement grout with a single soil nail. The number of finite difference meshes for soil slopes was 1 257...J. Cent. South Univ. (2012) 19: 262-272 DOI: 10.1007/s11771-012-1000-y Pull-out tests and slope stability analyses of nailing systems comprising single and multi rebars with grouted cement Sang-Soo......