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    • 2. 发明公开
    • Process to Obtain Random Copolymers Derived from Itaconic Acid and/or its Isomers and Sodium Alkenyl Sulfonates and use of the Product Thereof
    • 用于生产无规共聚物,衣康酸和/或其异构体和ALKENYLNATRIUMSULFONATE暗示的保证并使用本公司产品THEREFOR
    • EP2796481A1
    • 2014-10-29
    • EP14165784.1
    • 2014-04-24
    • Instituto Mexicano Del Petroleo
    • Hernandez Altamirano, RaúlMena Cervantes, Violeta YasminZamudio Rivera, Luis SilvestreLuna Rojero, Erick EmanuelMartinez Magadan, José ManuelNieto Alvarez, David AarónPons Jimenez, MirnaRamirez Estrada, AlejandroArzola Garcia, María del Pilar
    • C08F222/02C02F5/02C02F5/08C08F228/02C08F220/58
    • C02F5/10C02F2103/023C02F2103/08C02F2103/365C02F2303/22C08F222/02C08F228/02C08F2220/585
    • The present invention relates to the process for obtaining random copolymers based on itaconic acid and/or isomers and sodium alkenyl sulfonates, by means of polymerization in aqueous solution via free radicals at an acidic pH in the range from 1.0 to 3.5 and with a redox system as initiator, and the use thereof as calcium carbonate and calcium, strontium and barium sulfates mineral scale inhibitors and as dispersants of clays, iron oxides, calcium carbonate and strontium, barium and calcium sulfates. Random copolymers prevent and control damage to the formation by mineral salts scale that occurs in an oil reservoir, obstruction of water injection and crude oil production pipelines, as well as in production rigs due to mineral scale precipitation, all this as a consequence of high levels of salinity of the formation water and incompatible mixtures of injection water and formation water. Random copolymers are characterized for being tolerant to high concentrations of divalent ions, such as calcium, magnesium, strontium and barium, and by the fact that for its application to the reservoir and to injection or production pipelines, treated water, sea water and water that is characteristic of the reservoir (formation water) can be used as means of transportation. On the other hand, the copolymers can also be used to inhibit and disperse mineral scale occurring in cooling systems and boilers used in the oil and chemistry industry.
      Furthermore, the random copolymers of the present invention are characterized for meeting internationally established environmental standards and are classified as particularly non-toxic and therefore they can be used in pipelines and equipment from oil and chemical industry that uses fresh water and sea water that are characteristic of offshore and inland facilities.
    • 本发明涉及一种用于基于衣康酸和/或同分异构体和烯基磺酸钠获得无规共聚物的制造方法,通过在经由自由基在在酸性pH范围内wässrige溶液从1.0至3.5,并用氧化还原体系聚合的手段 为引发剂,和如碳酸钙和钙,锶和钡的硫酸盐矿物结垢抑制剂中的用途和粘土的分散剂,氧化铁,碳酸钙和锶,钡和硫酸钙。 到地层由矿物盐规模无规共聚物防止和控制损伤并在油积存部的发生,注水和原油生产管道的阻塞,以及在生产钻机由于矿物垢沉淀,这一切都为高含量的结果 的地层水的盐度和注入水和地层水的不相容混合物。 无规共聚物的特征在于为是耐二价离子的高浓度,:例如钙,镁,锶和钡,以及由factthat其应用到储存器,并注入或生产管道,处理后的水,海水和水那样 是特性储层(地层水)的可被用作运输和灰的装置。 在另一方面,该共聚物因此可以用于抑制和分散矿物垢在冷却在石油和化学工业中使用的系统和锅炉发生的。 进一步,本发明的无规共聚物的特点为会议国际公认的环境标准,被列为特别是无毒的,因此它们可以在石油,化工等行业的管道和设备被用来做使用淡水和海水也有特征性 近海和内陆设施。
    • 4. 发明公开
    • COMPOSITION COMPRISING ZWITTERIONIC GEMINAL LIQUIDS AS WETTABILITY MODIFIERS IN IMPROVED OIL RECOVERY PROCESSES
    • 两性离子组成宝石液体作为BENETZBARKEITSMODIFIKATOREN改善油生产过程
    • EP2644685A1
    • 2013-10-02
    • EP11839690.2
    • 2011-11-09
    • INSTITUTO MEXICANO DEL PETROLEO
    • HERNÁNDEZ ALTAMIRANO, RaúlZAMUDIO RIVERA, Luis, SilvestreMENA CERVANTES, Violeta, YasmínBELTRÁN CONDE, Hiram, IsaacDURÁN VALENCIA, Cecilia de los ÁngelesLÓPEZ RAMÍREZ, SimónBUENROSTRO GONZÁLEZ, EduardoMENDOZA DE LA CRUZ, José, LuisGARCÍA MARTÍNEZ, Jorge, AlbertoLUNA ROJERO, Erick, EmanuelNIETO ÁLVAREZ, David, Aarón
    • C10L1/224C07C229/26C07C227/18C10G75/02C09K8/584
    • C09K8/584C07C229/12C10G1/04C10G2300/4006C10G2300/44C11D1/06
    • The present invention relates to the application of geminals zwitterionics liquids based on bis-N-alkyl or bis-N-alkenyl or N-cycloalkyl or N-aryl bis-beta aminoacids or its salts thereof as wettability modifiers of rocks such as limestone, dolomite, sand, quartz or heterogeneous lithologies, in the presence of brines with high content of divalent ions such as calcium, magnesium, barium and strontium, high temperature and pressure in processes of enhanced oil recovery. Wettability modifier comprises a geminal zwitterionic liquid based on bis-N-alkyl or bis-N-alkenyl or N-cycloalkyl or N-aryl bis-beta aminoacids or its salts, using as solvent distilled or brine with a high content of divalent ions such as calcium and magnesium or organic solvents compounds derived from alcohols like methanol, ethanol, isopropanol or mixtures thereof, or aromatic as isomers of xylene, toluene, or diesel, gasoline or mixtures thereof.
      Geminals zwitterionics liquids based on bis-N-alkyl or bis-N-alkenyl or N-cycloalkyl or N-aryl bis-beta aminoacids or its salts are obtained by reacting an alkyl or alkenyl amine and an reactive polyether derivative of ethylene or propylene oxide or copolymer of these, which may contain in their structure mesyl or tosyl groups, and subsequently the reaction product is reacted with unsaturated acids such as acrylic acid or methacrylic acid and subsequently may or may not be neutralized with alkali metal bases such as the sodium or potassium hydroxide, carbonates or bicarbonates of potassium or sodium.
    • 本发明涉及的偕两性离子液体基于双-N-烷基或双-N-烯基或N-环烷基或N-芳基二-β氨基酸或它的盐的应用及其作为岩石的润湿性改进剂:如石灰石,白云石 ,砂,石英或异质的岩性,在盐水的存在下与二价离子含量高:例如钙,镁,钡和锶,高的温度和压力在强化油采收过程。 润湿性改性剂包括偕两性离子液体基于上行N-烷基或双-N-烯基或N-环烷基或N-芳基二-β氨基酸或它的盐,用作为溶剂的蒸馏水或盐水与二价离子含量高的测试 如钙和镁或如甲醇,乙醇,异丙醇或它们的混合物,或芳族的如二甲苯,甲苯,或柴油,汽油或它们的混合物的异构体醇衍生的有机溶剂的化合物。 基于双-N-烷基或双-N-烯基或N-环烷基或N-芳基二-β氨基酸或它的盐偕两性离子液体是通过使烷基或链烯基胺和对反应性的环氧乙烷或环氧丙烷的聚醚衍生物获得 或论文,其可以包含在它们的结构甲磺酰基或甲苯磺酰基团,并随后将反应产物进行反应与不饱和酸的共聚物:如丙烯酸或甲基丙烯酸,随后可以或可以不与碱金属碱中和的:如钠或 氢氧化钾,碳酸盐或钾或钠的碳酸氢盐。
    • 6. 发明公开
    • Nanostrutured titania semiconductor material and its production process
    • Nanostrukturiertes Titandioxid-Halbleitermaterial und Verfahren zu seiner Herstellung
    • EP2679542A1
    • 2014-01-01
    • EP13003180.0
    • 2013-06-21
    • Instituto Mexicano Del Petroleo
    • Castillo Cervantes, SalvadorMejía Centeno, IsidroCamposeco Solis, RobertoMoran Pineda, Florencia MarinaNavarrete Bolanos, JuanMontoya DE LA Fuente, J. AscensiónVargas Escudero, Alfredo
    • C01G23/053
    • C01G23/053B01J21/063B01J35/02B01J37/036B01J37/08C01G23/08C01P2002/02C01P2002/60C01P2006/12C01P2006/16C01P2006/40
    • The present invention relates to a nanostructured titania semiconductor material, termed TSG-IMP and its production process via the sol-gel method.
      The TSG-IMP semiconductor material basically consists of titanium oxide, with the special feature of being like nanostructures, which gives special physicochemical properties, with ability to disperse and stabilize metal particles with high activity and selectivity in catalytic processes mainly.
      The process of obtaining the semiconductor material TSG-IMP comprises adding to a system with constant stirring reflux, a titanium alkoxide to an alcoholic solution, adding an acid to the alcoholic solution, controlling the pH from 1 to 5; subjecting the acidic solution to agitation and reflux conditions at a temperature of 70 to 80°C; stabilizing the medium and proceeding with the addition of bidistilled water in a water / alkoxide molar ratio of 1-2/0.100-0.150, continuing with reflux until gelation; subjecting the gel to a treatment of aging, for a time from 1 to 24 hours for complete formation of the titania; drying the titania nanostructured at a temperature of 50 to 80°C for about 1 to 24 hours, and subjecting the dried titania to a calcination step at a temperature of 200 to 600°C, during a time from 1 to 12 hours.
      The dimension of the crystal size of the titania nanostructures of semiconducting material depends on TSG-IMP particular handling or assembly of the sol gel method variables such as the types of metal alkoxides of titanium used, the characteristics of the solvents, relationship alkoxide / water, and the medium in which the hydrolysis takes place, which can be acidic or basic.
    • 本发明涉及一种称为TSG-IMP的纳米结构二氧化钛半导体材料及其通过溶胶 - 凝胶法的制备方法。 TSG-IMP半导体材料主要由二氧化钛组成,其特征如纳米结构,具有特殊的物理化学性质,主要在催化过程中以高活性和选择性分散和稳定金属颗粒。 获得半导体材料TSG-IMP的方法包括向不断搅拌回流的系统中加入醇钛醇盐,向醇溶液中加入酸,将pH控制在1至5; 在70〜80℃的温度下对酸性溶液进行搅拌和回流条件; 稳定培养基并加入水/醇盐摩尔比为1-2 / 0.100-0.150的双蒸水,继续回流直到凝胶化; 使凝胶经历老化处理1至24小时以完成二氧化钛的形成; 在50〜80℃的温度下将纳米结构的二氧化钛干燥约1〜24小时,并在200〜600℃的温度下,在1〜12小时内对经干燥的二氧化钛进行煅烧工序。 半导体材料的二氧化钛纳米结构的晶体尺寸的尺寸取决于TSG-IMP特定的处理或组装溶胶凝胶法变量,例如所用钛的金属醇盐类型,溶剂的特性,醇盐/水的关系, 和发生水解的介质,其可以是酸性或碱性的。