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- sand control engineering vegetation 治沙工程植被
- sand control engineering 防沙工程
- I majored in Systems and Control engineering. 我的专业是系统控制工程。
- SHANGHAI OUDA ELECTRIC CONTROL ENGINEERING SYSTEM CO., LTD. 上海欧达电气控制工程系统有限公司。
- NANJING YONGHUI ELECTRIC POWER CONTROL ENGINEERING CO., LTD. 南京永惠电力控制工程有限公司。
- M. Noton, Modern Control Engineering, Pergamon Press, 1972. 日)绪方胜彦，现代控制工程，科学出版社，1981。
- In conclusion, ecomat chessboard type is the best measure for sand control ecologically and economically in this region. 从生态和经济的角度综合考虑，钻字状铺设显然是该区域流沙防治措施中较好的选择。
- Therefore, oil viscosity m ust be considered in sand control design in viscous oil field. 因此 ,对稠油油藏进行防砂设计时应考虑原油黏度的影响
- Therefore, the sand control strength can be improved through adding the fibred to the coated sand. 所以,在覆膜砂中加入纤维,可以提高覆膜砂的挡砂强度等性能。
- Therefore, the sand control strength can be improved through adding the fibre to the coated sand. 所以,在覆膜砂中加入纤维,可以提高覆膜砂的挡砂强度等性能。
- Separate implementation of sand control,water plugging and injectivity profile control had brought formation damage. 稠油油藏在开发过程中常遇到出砂、出水的问题,开采时分别进行防砂、堵水、调剖3种措施给地层带来了伤害。
- Common downhole handling processes,such as acid jobs,control pipe or central pipe sand control,meet these problems. 对利用高压水射流技术的物理法解堵机理进行了分析;
- Therefore, it would help sand control to avoid perforating such areas in selec... 当井筒内压力保持不变时,随着油藏压力衰竭,射孔孔眼发生剪切屈服、出砂的可能性增大;
- Does the supplier have an established Sand Control procedure to control molding and core sand mixes? Especially for grain size and sand moisture. 工厂是否制定了型砂的控制程序来控制造型和制芯的混砂过程?尤其是砂的粒度和含水量?
- Control Engineering has enjoyed brand recognition among industry professionals in China. 《控制工程》在中文自动化领域享有很好的声誉及品牌。
- Plugging removal after sand producers is contaminated results in more serious sand production, so BHS?A acidizing sand control fluid is developed. 为此,研制了以树脂、阳离子聚合物、硫脲为主要原料,再与酸液复配制得的BHS-A酸化防砂液。
- This model can be used to noise control engineering, as well as to the practice of acoustical design. 该方法可用于厂房、办公室等场所的噪声控制及室内音质设计的实践中 ,并可进一步应用于声场可听化研究 ,具有广阔的应用前景
- It is used in 76 wells, and it indicates that the technique can be used to solve the problem of high pressure sand control ... 现场应用76口井表明,该技术可较好解决老油井高压防砂难题,应用范围广,施工成功率高,增产防砂效果好。
- This paper is a presentation of measures adopted to control engineering cost in design, bid and construction. 针对目前我国工程造价管理存在的问题 ,提出从设计、招投标、施工三个阶段进行工程造价控制的论点
- The circlip lead seal packer with sand control is developed for ensuring the normal production of big borehole sand control well. 为保证大井眼防砂井正常生产,研制了卡簧式铅封防砂封隔器。
