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44篇 您的检索式:作者名="Drilling"
    题名 作者 年代 出处 被引量
1Dynamic subsidence prediction of ground surface above salt cavern gas storage considering the creep of rock salt显示文摘A new model is proposed to predict the dynamic subsidence of ground surface above salt cavern gas storage during the leaching and storage, which takes into account the creep of rock salt. In the model, the extended form of Gaussian curve is adopted to figure out the shape of subsidence areas. The corresponding theoretical formulas are derived. In addition, parameters are studied to investigate the surface subsidence as a function of the salt ejection rate, internal pressure, buried depth, diameter, height, running time, etc. Through an example, the subsidence of the salt cavern gas storage located at Jiangsu of China obtained by the new model was compared with those by Peter A F formula, Schober & Sroka formula and FLAC3D through simulation. The results showed the proposed model is precise and correct, and can meet the actual engineering demands. The surface subsidence is equidirectional with the increase of salt ejection rate, depth, diameter, height, and running time, but reverse to the increase of internal pressure. The depth, diameter, running time and internal pressure have great effects on the subsidence, whereas the salt ejection rate and height have little influences on it.WANG TongTao1, YAN XiangZhen1, YANG XiuJuan1 & YANG HengLin2 1 College of Pipeline and Civil Engineering, China University of Petroleum, Qingdao 266555, China 2 CNPC Drilling Research Institute, Beijing 100097, China 2010Science China(Technological Sciences)2010,53,12:8
2Research on Horizontal Vibration of Heavy-Weight Drill Pipes in Directional Drilling显示文摘The mode of load and deformation of directional drilling string and the expression of trigonometric series of deflection equation are established by means of elastic deformation energy and of the vertical and horizontal bending. A calculation formula for natural frequency of horizontal resonance and rotational speed is derived based on the calculation method by Ritz, with which analysis is made for the cause and affecting factors of the excessive abrasion of heavy-weight drill pipe in high-angle holes so as to provide reference and basis for rational selection of drilling parameters and drilling tools in the future high-angle directional drilling.Jiang Wei Wang Lan Engineer, Drilling Department of Bohai Oil Corp of CNOOC, Tanggu, 300452, Tianjin Engineer, Well Testing Company of Bohai Oil Corp of CNOOC, Tanggu, 300452, Tianjin 1992China Ocean Engineering1992,7,4:3
3中国加入国际大洋钻探计划的4年回顾显示文摘国际大洋钻探计划 ( ODP,1 985-2 0 0 3 )及其前身深海钻探计划 ( DSDP,1 968-1 983 ) ,是 2 0世纪地球科学规模最大、历时最久的国际合作研究计划 ,3 0余年来一直是推动学科发展的前沿 ,导致了学科的一场革命。我国经国务院领导批准于 1 998年春正式加入大洋钻探计划 ,年付 50万美金 ,成为第一个“参与成员”( Associated Member)。 4年来 ,已经取得重大进展。( 1 )成功地在南海实施了 ODP1 84航次。这次在我国科学家建议、设计和主持下的航次在南海二、三千米深水区的 6个站位取岩心 50 0 0多米 ,实现了中国海大洋钻探零的突破 ,使我国一举进入国际深海研究的前沿。在航次结束后的研究中 ,我国取得的成果也遥遥领先 ,不仅在不同时间尺度上取得了西太平洋区迄今为止最佳的深海沉积记录 ,而且在气候演变周期性、亚洲季风变迁和南海盆地演化等方面也获得了大量创新成果 ,其中包括学术上的突破性进展 ,目前正在逐步向国际学术界展示中。( 2 )促进了我国深海基础研究及其基地建设。加入 ODP4年来 ,我国深海基础研究迅速发展 ,继国家自然科学基金重大项目 (东亚古季风的海洋记录 )后 ,又于 2 0 0 0年底启动了国家重点基础研究规划项目 (地球圈层相互作用中的深海过程和深海记录 ) ,并实现了深海“973”项目?China Ocean Drilling Academic Committee 2002海洋地质动态2002,18,5:2
4Methylglyoxal- augmented rnanuka honey as a topical anti-Staphylococcus aureus biofilm agent:safety and efficacy in an in vivo model 显示文摘Paramasivan S Drilling AJ Jardeleza C 2014Int Forum Allergy' Rhinol2014,4,3:1
5涎腺腺样囊性癌预后因素与MYB基因融合及蛋白表达相关性的临床病理研究显示文摘腺样囊性癌是涎腺常见的恶性肿瘤,复发率高和远期预后差。该文回顾性分析135例腺样囊性癌中MYB—NFIB基因融合和MYB蛋白的表达,并评估腺样囊性癌的预后因素,患者中位随访时间6.3年。5、10年局部无瘤生存率分别为94%和78%,5、10年远处转移生存率分别为77%和58%,5、10年无瘤生存率分别为66%和44%。单变量分析显示无瘤生存率的预后不利因素包括:肿瘤较大、实性生长结构.Xu B Drill E Ho A 赵芳 魏建国 2018临床与实验病理学杂志2018,34,7:1
6Fabrication of burst pressure competent vascular grafts via electrospinning:Effects of microstructure显示文摘Drilling S Gaumer J Lennutti J 2009Journal of Biomedical Materials Research:Part A2009,88,4:1
7Special Report Edmneed Oil RecoveqSUIVey显示文摘Drilling and Production 2004Oil and Gas Journal2004,2004,:1
8Particle-impact drilling blasts away hard rock显示文摘Particle Drilling Technologies Inc 2007Oil & Gas Journal2007,105,6:1
9Shengli Diamond Bits显示文摘ShengliDiamondBitsYangYukun(ViceDirecter,ToolsDepartment,DrillingTechnologyResearchInstitute,ShengliPetroleumAdminstration)Ha...Yang Yukun(Vice Directer, Tools Department, Drilling Technology Research Institute,Shengli Petroleum Adminstration)Han Tao(Engineer, Tools Department, Drilling Technology Research Institute, Shengli Petroleum Adminestration) 1995China Oil & Gas1995,2,1:1
10Oral contraceptives and thromboembolic disease 显示文摘Drill VA 1972JAMA1972,219,:1
11Timothy Bhattacharyya MD, Ajay D Wadgaonkar BS显示文摘Inadvertent retention of angled drill guides after volar locking plate fixation of distal radial fractures: Arespot of three cases 2008The Journal of Bone and Joint Sur gery Am2008,90,:1
12Spain显示文摘DAVID J SANDERSON STEPHEN ROBERTS A Fractal Relationship between Vein Thickness and Gold Grade in Drill Core from LaCodosera 1994Economic Geology1994,89,:1
13Leak-proof test s of special joints for oil country tubular goods 显示文摘resistance of API 8 round Drilling Engineering SPE Yoshihiro N Seiichi N Tetsuro K 1974Sumitomo Metals1974,26,1:1
14Anesthesia awareness - induced posttraumatic stress disorder显示文摘Prendergast K M Cullen Drill M 2012J Psychosoc Nurs Ment Health Serv2012,50,11:1
15Global-scale analysis of river flow alterations due to water withdrawals and reservoirs显示文摘Drill P Fiedler K Zhang J 2009Hydrology and Earth System Sciences2009,13,12:1
16Particle-impact drilling blasts away hard rock显示文摘Particle Drilling Technologies Inc 2007Oil & Gas Jounal2007,105,6:1
17Bacteriophage reduces biofilm of Staphylococcus aureus ex vivo isolates from chronic rhinosinusitis patients显示文摘Drilling A Morales S Jardeleza C 2014Am J Rhinol Allergy2014,28,1:1
18igs显示文摘AETI Powers Seven Xtreme Land Drilling R 2011E&P2011,84,11:1
19History of the Pacific guyots uncovered 显示文摘Ocean Drilling Program Leg 143 Scientific Party 1993Geotimes1993,38,1:1
20Threat syndromes and conservation of the Australian flora显示文摘M.A. Burgman D. Keith S.D. Hopper D. Widyatmoko C. Drill 2006Biological Conservation2006,,1:1
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