The invention relates to a petroleum extraction technology, aiming at a strong sensitivity oil layer water injection well.
本发明是针对强敏感油层注水井的石油开采技术。
Mining of copper, cobalt, diamonds, gold, zinc and other metals, as well as petroleum extraction, once accounted for 75 percent of its GDP.
铜、钴、钻石、黄金、锌和其它资源的开采，以及石油开采，曾经占其GDP的75%。
The principle is advance capability and credibility function and safety operation in the design of the drill and petroleum extraction tools.
钻采工具试验井的设计中体现了“性能先进、运行可靠、操作安全和维护便捷”的原则。
This gas exhausting and light oil recovering device may be used for various big oil tanks in petroleum extraction, transportation and oil depot.
一种储油罐排气轻质油回收装置，它属于石油化工机械，可用于石油开采、运输以及油库等的各种大型储油罐。
In the present study, the water-soluble and oil-soluble antioxidants of rosemary were separated with petroleum extraction, water-dissolving and concentration method.
研究了石油醚萃取法、水溶解法、浓缩法分离迷迭香水溶性和脂溶性抗氧化剂，对抗氧化剂的得率及总酚含量的影响。
A water-base viscosity-reducing agent is used to regular steam alternately inflow-outflow well or heat-water-filling well, which can promote petroleum extraction rate.
本发明涉及到在稠油开采过程中使用耐高温水基降粘剂可以大幅度提高石油采收率。
Results:1, The benzine petroleum extraction spot of jiubiying have no effect to the golden yellow staphylococcus, the second grade hemolytic chain coccus, the white rosary fungus.
研究结果：1、救必应石油醚提取部位对金黄色葡萄球菌、乙型溶血性链球菌、白色念珠菌均无显著抑制作用；
The drill and petroleum extraction tools test-well is built in room, that not only can ensure that test environment meeting the test request but also is very convenience for equipment maintenance.
整个钻采工具试验井建在专用实验室内，既可保证试验环境符合测试要求，又可极大的方便设备维护。
Petroleum engineers plan and manage the extraction of oil.
石油工程师们规划并管理石油的提炼。
Overview: The Division Lanti Vanilla extract raisins produced mainly in Xinjiang, as the raw material obtained by petroleum ether extraction.
概述：本司葡萄干萃取物主要采用新疆产的葡萄干为原材料，通过石油醚萃取制得。
This paper studied on oat oil from deshelled oat seeds by petroleum ether extraction.
本课题以脱壳燕麦为原料，经石油醚提取得到燕麦油。
Solvent extraction based on reversible chemical complexation can showed its high selectivity and high capacity for separation of polar organics from petroleum hydrocarbons.
采用萃取分离方法从石油烃中分离极性有机物具有高效性和高选择性。
Extraction of Gallium from high concentration HCl solution using organic phases which composes of TBP and butyl acetic ester, xylene, petroleum ether and kerosene, respectively, are investigated.
系统研究了以TBP为萃取剂，乙酸丁酯、二甲苯、石油醚、 煤油为稀释剂，从高酸度盐酸溶液中萃取镓。
Through single factor and orthogonal experiments, extraction of oil from soybean embryo and its composition were studied by using petroleum ether as degrease solvent and GC, respectively.
以大豆胚芽出油率为指标，石油醚为脱脂溶剂，通过单因素和正交试验对大豆胚芽索氏提取工艺进行了研究，并用气相色谱对胚芽油的脂肪酸组成进行了分析。
Overview: the Division plum extract mainly produced in Yunnan plum child, obtained through the extraction of petroleum ether extract.
概述：本司梅子浸膏主要采用云南产的酸梅子，通过石油醚浸提制得浸膏。
To obtain chemical constituents from the fruit of Catalpa ovata G. Don, the methods of water extraction, ethanol extraction and petroleum ether extraction were used.
采用水提取法、醇提取法和石油醚提取法对梓树果实的化学成分进行了比较全面的定性实验。
The invention relates to a method of regenerating used oils of petroleum origin by means of extraction with aliphatic solvents.
本发明涉及一种通过脂族溶剂萃取将石油源废油再生的方法。
The test is a research on the extraction of distilling essential oil from leaves by comparing efficiency of extraction by three reagents. Those are ether, ethyl acetate and ether from Petroleum.
本试验对树叶中提取精油萃取液进行了研究，通过三种不同试剂萃取，对水蒸汽蒸馏产物所得的萃取率来研究其适合度。
Petroleum engineers plan and manage the extraction of oil .
石油工程师规划并管理石油的提炼。
MethodsTo obtain chemical constituents from Musa basioo, in this paper the methods of water extraction, ethanol extraction and petroleum ether extraction were used.
方法采用水提取法、醇提取法和石油醚提取法对芭蕉根的化学成分进行定性实验。
The SFE, which is a kind of new extraction and stripping technique, is widely used in the industrial, petroleum, food -stuff, medical, environmental protection and other fields.
超临界流体萃取(简称sfe)是一种新型的萃取分离技术，广泛应用于工业、石油、食品、医药、环保等领域。
The petroleum carboxylic acids(mainly naphthene acids)in the diesel oil of Liaohe oil isolated by the extraction with solution of a1coholic sodium hydroxide, and the efficiency is not lower than 90%;
采用醇碱水溶液萃取方法分离出辽河油直馏柴油馏分中的石油羧酸（主要为环烷酸），采用重量法测出的分离效率不低于90％；
Then gradient extraction was carried out with petroleum ether and ethyl acetate, and the activity of extracted substance with ethyl acetate was better than others.
再用石油醚、乙酸乙酯进行梯度提取，确定乙酸乙酯提取物的活性更优，测得总黄酮含量为27.73%。
Compared with petroleum ether extraction method, the extraction rate from SFE -co2 is higher and extraction time shorter.
并与传统的石油醚萃取法相比较，其萃取时间短，得油率高。
Pok, in this paper the methods of water extraction, ethanol extraction and petroleum ether extraction were used.
本实验采用水提取法、醇提取法和石油醚提取法对准噶尔铁线莲的化学成分进行了定性研究。
Overview: The Division mainly sweet clover extract of sweet clover Sichuan region of China for raw materials, petroleum ether extraction by roots in the system.
概述：本司草木犀浸膏主要采用中国四川地区的草木犀为原材料，通过石油醚浸提根茎制得。
Petroleum acids was removed from straight-run diesel distillate through chemical reaction and extraction under moderate conditions using an alkaline complex solution.
介绍了用一种碱性复合溶剂体系，在比较缓和的条件下，通过化学反应和抽提从直馏柴油中脱除石油酸的工艺过程。
Overview: the Division licorice extract mainly the growth of China's Liaoning Province of licorice for the raw materials, petroleum ether extraction by roots in the system.
概述：本司甘草膏主要采用中国辽宁地区的生长的甘草为原材料，通过石油醚浸提根茎制得。
Due to the reduction of petroleum reservoir and deeper extraction, the crude oil is heavier and poorer in the world, and the light products in the oil is becoming decreased.
随着原油储量的递减及原油的深度开采，世界性原油质量逐渐变重、变劣，轻质油品含量降低，必须进行重油轻质化。
Due to the reduction of petroleum reservoir and deeper extraction, the crude oil is heavier and poorer in the world, and the light products in the oil is becoming decreased.
随着原油储量的递减及原油的深度开采，世界性原油质量逐渐变重、变劣，轻质油品含量降低，必须进行重油轻质化。
应用推荐