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REDUCER: 作品数：49被引量：68H指数：6; 导出分析报告; 相关领域：机械工程更多>>; 相关作者：李飞黎建辉沈志宏周园春陈明训更多>>; 相关机构：武汉理工大学中国科学院大学中国科学院南京大学更多>>; 相关期刊：《Petroleum Science》《Open Journal of Applied Sciences》《China Foundry》《Chinese Journal of Chemistry》更多>>; 相关基金：国家自然科学基金天津市自然科学基金国家高技术研究发展计划国家科技支撑计划更多>>

Syntheses and properties of associative acrylamide copolymers containing short hydrophobic chains used in a friction reducer for slick-water fracturing: 《Petroleum Science》2024年第3期1889-1901,共13页Ya-Xing Dai Xian-Li Zhang Si-Yuan Liu Feng-Run-Ze Zhang Yi-Xi Zhang Yu-Tong Sang Jing-Xi Zheng Zhao-Sheng Liu Peng Zhang; supported by the National Natural Science Foundation of China(Project Nos.51774062 and 52274032);Scientific and Technological Key Research Program of Chongqing Municipal Education Commission(KJZD-K201901502);General Project of Chongqing Natural Science Foundation(CSTB2022NSCQMSX0349);Science and Technology Research Program of Chongqing Municipal Education Commission(KJQN202313101)。; Two allyldimethylalkyl quaternary ammonium salt(AQAS)monomers,N,N-dimethylallylphenylpropylammonium bromide(AQAS1)and N,N-dimethylallylnonylammonium bromide(AQAS2),were synthesized and used to prepare modified polyacr...; 关键词：Shale gas Slick water Drag reducer Modified monomer COPOLYMERIZATION

A micro-crosslinked amphoteric hydrophobic association copolymer as high temperature-and salt-resistance fluid loss reducer for water-based drilling fluids: 《Petroleum Science》2024年第3期1980-1991,共12页Jian Li Yu-Xi Ji Xiao-Xiao Ni Kai-He Lv Xian-Bin Huang Jin-Sheng Sun; the National Natural Science Foundation of China(No.52204023);China Postdoctoral Science Foundation(2022M713465);Postdoctoral Innovation Talent Support of Shandong Province(SDBX2022033)。; During ultradeep oil and gas drilling,fluid loss reducers are highly important for water-based drilling fluids,while preparing high temperature-and salt-resistance fluid loss reducers with excellent rheology and filtr...; 关键词：Fluid loss reducer Temperature-and salt-resistance Hydrophobic association AMPHOTERIC Micro-crosslinking

Roller Screw and Threaded Chain Speed Reducer: An Experimental Evaluation: 《Modern Mechanical Engineering》2024年第1期1-11,共11页Filiberto Gutiérrez; We are developing a speed reducer that can be considered a transformation of a worm gear reducer: the worm is replaced by an inverted roller screw, and the gear is replaced by a threaded chain drive. This configuratio...; 关键词：Speed Reducer Inverted Roller Screw Chain Drive Threaded Chain Drive

油轮Manifolds及附属设备常见问题24问: 《中国水运》2023年第11期43-45,共3页宋红专; 在油轮的生产运营中,从初始的商务揽货问卷,填写Manifolds(货油管管头)及附属设备的相关参数;到靠泊前与码头的交换其参数;靠泊后接管和试压及完成货油的装卸;及随后的拆管,都少不了Manifolds及附属设备这个环节。; 关键词：Manifold(管头) Reducer(变径接头) Spool Piece(连接短管) 附属设备

Subsea Compensation of Pressure Based on Reducer Bellows: 《Fluid Dynamics & Materials Processing》2023年第10期2549-2567,共19页Shihong Xiao Shichao Zhou Linlin Yue Xianyou He Maolin Xiang; Key Laboratory of Petroleum and Natural Gas Equipment of Ministry of Education.; In this study,the pressure compensation mechanism of a reducer bellows is analyzed.This device is typically used to reduce the size of undersea instruments and improve related pressure resistance and sealing capabilit...; 关键词：Subsea reducer bellows pressure compensation compressible fluid mechanical strength

Preparation of Poly-α-Olefin Microcapsule Particles Coated with Polyurethane as a Drag Reducer Based on Interface Polymerization: 《China Petroleum Processing & Petrochemical Technology》2023年第2期101-112,共12页Li Chenhao Lu Yong Li Hao Chen Yue Meng Yeqiao Zhou Pengfei Xu Dan Wang Yiran Zhang Xiaolai; This paper is supported by the Shandong Provincial Key Research and Development Program(Project No.2020CXGC010403);the Key Projects of New and Old Kinetic Energy Conversion(No.[2020]1220);the scientific research project of SINOPEC Corporation(CLY19005).; The molecular behavior of polyurethane(PU)coating materials during the surface adsorption of poly-α-olefin as a drag reducing polymer was explored by a molecular dynamics simulation.Three different PU capsule wall ma...; 关键词：drag reducer poly-α-olefin POLYURETHANE microcapsules particles interfacial polymerization

Synthesis and Performance of an Associative Anti-shear Drag Reducer Based on Hydrogen Bond Association of Dodecyl Methacrylate: 《China Petroleum Processing & Petrochemical Technology》2023年第1期23-33,共11页Lu Yong Li Chenhao Li Hao Chen Yue Xu Dan Wang Yiran Meng Yeqiao Zhang Xiaolai; scientific research project of SINOPEC Corporation(CLY19005);2020 Key R&D Program of Shandong Province(2020CXGC010403).; Using K2S2O8-Na2SO3 as the redox initiation system,a hydrogen-bond-association-based dodecyl methacrylate system associative anti-shear drag reducer was synthesised by standard emulsion polymerisation.The reaction pro...; 关键词：drag reducer associative effect drag reduction rate shear resistance

Research on Emulsion Stability and Solubility of Polymer Drag Reducer: 《Open Journal of Applied Sciences》2022年第12期1955-1967,共13页Lei Yu Weichu Yu Li Jia Yadong Sun Feng Zhou Min Li Lei Zhang Wei Yin; In oilfield fracturing construction, to solve the technical problems such as poor dissolution effect and long dissolution time of polymer drag reducer powder, the rheological regulator, phase transfer agent, organic s...; 关键词：Drag Reducing Agent Dissolution Effect Dissolution Time Stability Rate Drag Reduction Rate

Research and Application of a Perforating and Drug Injection Machine: 《外文科技期刊数据库(文摘版)工程技术》2022年第4期189-193,共5页WANGQuanhua; The perforating and drug injecting machine uses an engine to drive a woodworking drill bit to perforate trees, and then the whole tree body is provided with the effective components of pesticides by injecting drugs in...; 关键词：PERFORATING INJECTION REDUCER

Mesh Force Modelling and Parametric Studies for Compound Oscillatory Roller Reducer: 《Chinese Journal of Mechanical Engineering》2021年第4期151-167,共17页Changxu Wei Chaosheng Song Caichao Zhu Chengcheng Liang Long Hu; Supported by Research and Development Plans in Key Areas of Guangdong(Grant No.2019B090917002);Key Research and Development Project of Chongqing Science and Technology Program(Grant No.cstc2018jszx-cyztzxX0038).; A compound oscillatory roller reducer(CORR)with a first-stage gear transmission and a second-stage oscillatory roller transmission is presented.The transmission principle of oscillatory roller transmission is introduc...; 关键词：Compound oscillatory roller reducer Kinematic principle Mesh force modelling Misalignments Parametric study

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