Patents Assigned to Research Institute of Petroleum
  • Publication number: 20200087149
    Abstract: The present invention relates to a method for the synthesis of nanofluids including functionalization of carbon nanostructures through a new method comprising the addition of carbon nanostructures to water; ultrasonication of the solution; addition of persulfate salt and one or several metal hydroxides of the first column of the periodic table to the aqueous solution containing carbon nanostructure; re-exposing the solution to ultrasonic waves; and then, the separation of the functionalized carbon nanostructures from the solution and washing the carbon nanostructures with water to neutralize them and mixing the nanoparticles obtained from the previous step with the fluid. By presenting a new method for the synthesis of the functionalized carbon nanostructures with specific amount of functional groups and their application in the synthesis of nanofluids, an increase in the stability and thermal conductivity of nanofluids takes place.
    Type: Application
    Filed: July 22, 2015
    Publication date: March 19, 2020
    Applicant: RESEARCH INSTITUTE OF PETROLEUM INDUSTRY
    Inventors: Zeinab TALAEI, Alimorad RASHIDI, Azadeh AMROLLAHI BIYOUKI, Allreza MAHJOUB, Roghayyeh LOTFI, Maryam RASHTCHI
  • Patent number: 10571596
    Abstract: A resistivity measurement while drilling (MWD) device, including: a transmitting module arranged on an outer surface of a drill collar, for generating an induced current between the drill collar and surrounding formation by inductive coupling; a receiving electrode group including at least two electrodes, for receiving a measured current that reaches the electrode from the induced current through corresponding formation, two electrodes in the receiving electrode group being multiplexing electrodes; a resistivity calculation module configured to be connected to all or a part of the electrodes in the receiving electrode group in a measurement mode of the resistivity MWD device, to calculate the measured current received by a corresponding electrode and obtain resistivity of formation corresponding to the corresponding electrode; and a data transmission module configured to be connected to the multiplexing electrodes in a transmission mode of the resistivity MWD device, for transmitting calculated resistivity to
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: February 25, 2020
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC RESEARCH INSTITUTE OF PETROLEUM ENGINEERING
    Inventors: Yijin Zeng, Weining Ni, Xin Li, Wei Zhang, Jintai Mi, Jianhua Liu, Jibo Li, Jinping Wu, Meiling Zhan, Wenli Wang, Sanguo Li, Yiting Zheng
  • Patent number: 10544372
    Abstract: The present invention relates to a method for obtaining a fraction oil yield from petroleum hydrocarbons in a distillation column, wherein said distillation column comprises a fractionation stage, a vaporization section and a stripping stage from the top to the bottom of the distillation column. The method comprises preheating and sending a feedstock oil of petroleum hydrocarbons through a pressure-feeding system at a pressure of 100-1000 kPa higher than the vaporization section pressure of the distillation column, wherein said preheating is conducted in a heating furnace, wherein said heating furnace has an outlet pressure of 100-1000 kPa higher than the vaporization section absolute pressure, and an outlet temperature of 360-460° C.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: January 28, 2020
    Assignees: RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Zhanzhu Zhang, Junyi Mao, Shuandi Hou, Ya Qin, Qing Yuan, Kejia Xu, Tongwang Zhang, Shaobing Wang, Hongliang Qu, Xiaojin Tang, Zhenxing Zhu, Tao Huang
  • Patent number: 10538484
    Abstract: A maleamic acid monomer, and a preparation method and a use of the maleamic acid monomer. The structural formula of the monomer is as follows: formula (1), wherein, R is selected from The maleamic acid monomer provided in the present invention may be used as a comonomer to prepare temperature-tolerant and calcium salt-tolerant polymers.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: January 21, 2020
    Assignees: China Petroleum & Chemical Corporation, SINOPEC Research Institute of Petroleum Engineering
    Inventors: Xiaohua Yang, Yongxue Lin, Jian He, Lin Wang, Haibo Wang, Fan Yang, Zhoujun Li, Xiaoqiang Dong
  • Patent number: 10537882
    Abstract: A heteroatom-containing nano-carbon material, based on the total weight of said heteroatom-containing nano-carbon material and calculated as the elements, has an oxygen content of 1-6 wt %, a nitrogen content of 0-2 wt %, a carbon content of 92-99 wt %. In its XPS, the ratio of the oxygen content as determined with the peak(s) in the range of 531.0-532.5 eV to the oxygen content as determined with the peak(s) in the range of 532.6-533.5 eV is 0.2-0.8; the ratio of the carbon content as determined with the peak(s) in the range of 288.6-288.8 eV to the carbon content as determined with the peak(s) in the range of 286.0-286.2 eV is 0.2-1; the ratio of the nitrogen content as determined with the peak(s) in the range of 398.5-400.1 eV to the total nitrogen content is 0.7-1. The heteroatom-containing nano-carbon material shows a good catalytic capability in dehydrogenation of hydrocarbons.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: January 21, 2020
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC
    Inventors: Chunfeng Shi, Junfeng Rong, Peng Yu, Jingxin Xie, Mingsheng Zong, Weiguo Lin
  • Patent number: 10537878
    Abstract: A carbonaceous material, based on the total weight of the carbonaceous material, contains 1-99 wt % of a carbon element, 0.2-60 wt % of a magnesium element, 0.5-60 wt % of an oxygen element and 0.1-40 wt % of a chlorine element. The process for preparing the carbonaceous material include (1) Mixing a solid carbon source, a precursor and water to produce a mixture; wherein said precursor contains a magnesium source and a chlorine source; (2) Drying the resulting mixture obtained in Step (1) to produce a dried mixture; and (3) Calcining the dried mixture obtained in Step (2). The carbonaceous material can be used in catalytic oxidation of hydrocarbons.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: January 21, 2020
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC
    Inventors: Junfeng Rong, Chunfeng Shi, Jingxin Xie, Peng Yu, Mingsheng Zong, Weiguo Lin
  • Patent number: 10533154
    Abstract: The present invention provides a joint method of cultivating microalgae combined with denitrating an industrial waste gas and a system useful for the same. The joint method comprises the steps of: (1) a step of cultivating microalgae; (2) a separation step of separating a microalgae suspension obtained from step (1) into a wet microalgae (microalgae biomass) and a residual cultivation solution; (3) a NOx absorbing/immobilizing step of denitrating an industrial waste gas with the residual cultivation solution obtained from step (2); wherein the nutrient stream absorbed with NOx obtained from step (3) is used to provide nitrogen source to the microalgae cultivation of step (1). During the microalgae cultivation, EM bacteria is added into the microalgae suspension. The microalgae is preferably Chlorella sp., Scenedesmus sp., Monoraphidium sp. or Spirulina sp.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: January 14, 2020
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC
    Inventors: Junfeng Rong, Xuhua Zhou, Lin Cheng, Junying Zhu, Xugeng Huang, Baoning Zong
  • Patent number: 10525452
    Abstract: Provided is a Na—Y molecular sieve and a method for preparing the Na—Y molecular sieve, an H—Y molecular sieve and a method for preparing the H—Y molecular sieve, a hydrocracking catalyst, and a hydrocracking method. The average grain diameter of the Na—Y molecular sieve is 2-5 ?m, and the sum of pore volumes of pores in 1-10 nm diameter accounts for 70-90% of the total pore volume of the Na—Y molecular sieve. The H—Y molecular sieve obtained from the large-grain Na—Y molecular sieve can be used as an acidic component in the hydrocracking catalyst. When the hydrocracking catalyst containing the H—Y molecular sieve is applied in the hydrocracking reaction of heavy oils that contain macromolecules, it can provide better cracking activity and product selectivity in the hydrocracking reaction.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: January 7, 2020
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, FUSHUN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, INOPEC CORP.
    Inventors: Chang Liu, Fenglai Wang, Minghua Guan, Yanze Du, Wei Huang, Hong Zhao
  • Patent number: 10526211
    Abstract: A method of producing a highly-pure aluminum hydroxide, comprising the following steps: (1) reacting alcohol with metal aluminum to produce aluminum alkoxide, then hydrolyzing the aluminum alkoxide with water to produce an aluminum hydroxide slurry and an alcohol, filtering the aluminum hydroxide slurry, washing a resulting filter cake with water to remove the alcohol trapped therein, and drying the filter cake after the water washing to produce an aluminum hydroxide powder, (2) sending the alcohol-containing water produced in step (1) to an alcohol extraction unit for separating water and alcohol through extraction, and sending the separated water back to step (1) for recycling, (3) dehydrating the hydrous alcohol produced by hydrolyzing the aluminum alkoxide in step (1) before using it as the raw materials for reacting metal aluminum with alcohol to produce aluminum alkoxide in step (1).
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: January 7, 2020
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC
    Inventors: Yanpeng Yang, Aizeng Ma
  • Patent number: 10518219
    Abstract: A process for ion-exchanging an exchangeable-ion containing solid material, characterized in that said process include a bipolar membrane electrodialysis step, which comprises subjecting an aqueous ion-containing solution to a bipolar membrane electrodialysis to produce an acid liquid; an ion-exchange step, which comprises contacting the exchangeable-ion containing solid material with the acid liquid and conducting the ion-exchange to produce a slurry containing the ion-exchanged solid material; a solid-liquid separation step, which comprises subjecting the slurry containing the ion-exchanged solid material to a solid-liquid separation to produce a solid phase and a liquid phase, adjusting the liquid phase to a pH of 4-6.5, and subjecting the pH-adjusted liquid phase to a solid-liquid separation to produce a treatment liquid. Oxalic acid is used in at least one of the bipolar membrane electrodialysis step, the ion-exchange step, and the solid-liquid separation step.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: December 31, 2019
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC
    Inventors: Zhongqing Liu, Lina Zhou, Yibin Luo, Xingtian Shu
  • Publication number: 20190367368
    Abstract: The present invention relates to the formulation of nanofluids including carbon dot nanoparticles with particle sizes of 10 nm or less and base fluid. The term “carbon dot nanoparticles” means one or any combination of carbon quantum dots, graphene quantum dots, graphene nanodots, graphene oxide nanodots, carbon nanotubes dots, and carbon nanostructures whose specifications are consistent with those cited in the invention background section in detail. The nanofluid of the present invention is economical and environmentally friendly. Moreover, the nanofluid composition of the invention has suitable stability and capability of heat transfer required by industry.
    Type: Application
    Filed: November 17, 2016
    Publication date: December 5, 2019
    Applicant: RESEARCH INSTITUTE OF PETROLEUM INDUSTRY
    Inventors: Alimorad RASHIDI, Amir YADEGARI, Ehsanollah ETTEFAGHI, Saeid KHODABAKHSHI, Roghayeh LOTFI, Maryam RASHTCHI
  • Patent number: 10399068
    Abstract: The present invention relates to an SCM-10 molecular sieve, a process for producing same and use thereof. The molecular sieve has an empirical chemical composition as illustrated by the formula “the first oxide·the second oxide”, wherein the ratio by molar of the first oxide to the second oxide is less than 40, the first oxide is at least one selected from the group consisting of silica and germanium dioxide, the second oxide is at least one selected from the group consisting of alumina, boron oxide, iron oxide, gallium oxide, titanium oxide, rare earth oxides, indium oxide and vanadium oxide. The molecular sieve has specific XRD pattern and can be used as an adsorbent or a catalyst for converting an organic compound.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: September 3, 2019
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC
    Inventors: Weimin Yang, Zhendong Wang, Hongmin Sun, Bin Zhang, Yi Luo
  • Patent number: 10400179
    Abstract: This invention discloses an olefin oxidation process, including a step of under olefin oxidation conditions, successively passing a reaction feed from the No.1 catalyst bed through the No.n catalyst bed, wherein if the apparent velocity of each of the reaction materials passing from the No.1 catalyst bed through the No.n catalyst bed is respectively named as v1 to vn, and if m represents any integer in the region [2, n], the relationship vm-1<vm holds. The process according to this invention is capable of extending the service life of the catalyst, especially the single-pass service life thereof, and at the same time, suppressing any side-reaction over a prolonged period of time. This invention further discloses a fixed-bed reaction apparatus and a system for olefin oxidation.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: September 3, 2019
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC
    Inventors: Chunfeng Shi, Jun Long, Bin Zhu, Min Lin
  • Patent number: 10391479
    Abstract: The present disclosure provides a hydrocracking catalyst, a method for preparing the same and a use of the same, and a method for hydrocracking catalytic diesel oil. The catalyst comprises a support, an active metal component, and carbon, wherein, based on the total weight of the catalyst, the content of the support is 60 to 90 wt %, the content of the active metal component calculated in metal oxides is 15 to 40 wt %, and the content of carbon calculated in C element is 1 to 5 wt %; measured with an infrared acidimetric estimation method, the acid properties of the hydrocracking catalyst are: the total infrared acid amount is 0.4 to 0.8 mmol/g, wherein, the infrared acid amount of strong acid with desorption temperature greater than 350° C. is 0.08 mmol/g or lower, and the ratio of the total infrared acid amount to the infrared acid amount of strong acid with desorption temperature greater than 350° C. is 5 to 50.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: August 27, 2019
    Assignees: China Petroleum & Chemical Corporation, Fushun Research Institute of Petroleum and Petrochemicals, SINOPEC CORP.
    Inventors: Wei Liu, YanZe Du, Bo Qin, FengLai Wang, XiaoPing Zhang, Hang Gao
  • Patent number: 10392318
    Abstract: The present invention provides a modified composite molecular sieve, and a preparation method and an application of the modified composite molecular sieve. The modified composite molecular sieve comprises SiO2 and a composite molecular sieve that comprises molecular sieve MCM-22 and crystalline molecular sieve selected from at least one of ZSM-22, ZSM-23 and ZSM-48, wherein, the molecular sieve MCM-22 covers around the crystalline molecular sieve. The present invention further provides a catalyst and an application of the catalyst. The catalyst comprises a carrier and a noble metal loaded on the carrier, wherein, the carrier comprises a modified composite molecular sieve that is the modified composite molecular sieve provided in the present invention or the modified composite molecular sieve obtained with the method provided in the present invention.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: August 27, 2019
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, FUSHUN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC CORP.
    Inventors: Huiqing Xu, Quanjie Liu, Liming Jia, Wei Wang
  • Patent number: 10384148
    Abstract: A crystallization column and a crystallization method. The crystallization column comprises an upper head (1), a tower body (2) and a lower head (3), wherein a crystallization section (11) is provided with a tray (14); and the tray (14) comprises a tray plate (15) and a plurality of lower crystallization members (17). The top end of the lower crystallization member (17) can form a movable connection with the tray plate (15), so that the two adjacent lower crystallizing members (17) are capable of oscillating collisions. The tray (14) may also comprise a plurality of upper crystallization members (21) extending upwardly from the upper surface of the tray plate (15).
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: August 20, 2019
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, Fushun Research Institute of Petroleum and Petrochemicals, SINOPEC CORP.
    Inventors: Deqiang Peng, Huimin Qi, Luyao Wang, Xin Chen, Fanfei Meng, Yan Wang, Jie Liu
  • Publication number: 20190169521
    Abstract: A gradient copolymer comprises or consists of n polymer components. The n polymer components each independently represents an addition polymer of a monomer of the formula (I), and/or a mixture thereof, or the n polymer components each independently comprises or consists essential of one or more structural units represented by the formula (I-1), The symbol n represents an integer within the closed interval [5, ?]. The average side chain carbon number of the i-th polymer component as determined according to the nuclear magnetic resonance method is expressed as Xi, with the symbol i representing an arbitrary integer from 1 to n, the relationship X1<X2< . . . <Xn?1<Xn holds.
    Type: Application
    Filed: June 27, 2017
    Publication date: June 6, 2019
    Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPE
    Inventors: Yao ZHANG, Qinghua DUAN, Kecheng WEI, Yinong LIU, Hongwei SUN
  • Publication number: 20190127624
    Abstract: Modified asphalt particles contain asphalt and a modifier. The modifier comprises poly-sulfur and free sulfur. The sulfur element accounts for 10-40 weight percent of the total amount of the modified asphalt particles, and the poly-sulfur accounts for 30-70 weight percent of the total amount of the sulfur element. The total particle size of the modified asphalt particle is smaller than or equal to 150 ?m. The modified asphalt particles have an excellent high temperature performance, and can be used for preparing drilling fluids. Water-in-oil based drilling fluid obtained from the modified asphalt particles has low plastic viscosity, high dynamic shear force, high dynamic plastic ratio, and high emulsion-breaking voltage, and improves the high temperature resistance and cutting carrying capability of a system.
    Type: Application
    Filed: November 1, 2016
    Publication date: May 2, 2019
    Applicants: China Petroleum & Chemical Corporation, Dalian Research Institute of Petroleum and Petrochemicals, SINOPEC CORP.
    Inventors: Li FU, Jiaohe GUO, Hanrong YAO, Shuhua LIU, Jianfeng ZHANG
  • Patent number: 10265687
    Abstract: Provided is a Na—Y molecular sieve and a method for preparing the Na—Y molecular sieve, an H—Y molecular sieve and a method for preparing the H—Y molecular sieve, a hydrocracking catalyst, and a hydrocracking method. The average grain diameter of the Na—Y molecular sieve is 2-5 ?m, and the sum of pore volumes of pores in 1-10 nm diameter accounts for 70-90% of the total pore volume of the Na—Y molecular sieve. The H—Y molecular sieve obtained from the large-grain Na—Y molecular sieve can be used as an acidic component in the hydrocracking catalyst. When the hydrocracking catalyst containing the H—Y molecular sieve is applied in the hydrocracking reaction of heavy oils that contain macromolecules, it can provide better cracking activity and product selectivity in the hydrocracking reaction.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: April 23, 2019
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, FUSHUN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC CORP.
    Inventors: Chang Liu, Fenglai Wang, Minghua Guan, Yanze Du, Wei Huang, Hong Zhao
  • Patent number: 10190998
    Abstract: A method is disclosed for evaluating and predicting a shale oil enrichment area of a fault lacustrine basin, comprising: obtaining materials and key data; determining a source-reservoir configuration relationship according to a longitudinal superposition relationship of different types of rock in a lithology profile and establishing a single-well lithofacies model; in the single-well lithofacies model, using a dolomite-to-formation ratio and a TOC average value to form a dolomite-to-formation ratio contour map and a TOC contour map, and superposing the dolomite-to-formation ratio contour map, the TOC contour map and a source-reservoir configuration relationship plane distribution map to form a lithofacies plane distribution map; on the basis of the lithofacies plane distribution map, superposing a vitrinite reflectance contour map and a dolomite thickness contour map to obtain a corresponding evaluation and prediction map of the shale oil enrichment area of the fault lacustrine basin.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: January 29, 2019
    Assignee: Research Institute Of Petroleum Exploration & Development, Dagang Oil Field Of CNPC
    Inventors: Lihong Zhou, Xianzheng Zhao, Xiugang Pu, Fengming Jin, Wenya Jiang, Dunqing Xiao, Zhannan Shi, Wenzhong Han