Patents Assigned to Sinopec
  • Patent number: 12291668
    Abstract: Disclosed is a coated rubber particle, preparation thereof and its application as a plugging material in drilling fluids. The coated rubber particle comprises a rubber core and a coating layer, wherein the core has a fluorine content (at %) of 0-15%, the coating layer has a fluorine content (at %) of 30-80%, and the coated rubber particle has a 24-hour oil absorption rate of 4% or less. The coated rubber particle has good oil resistance, and is particularly suitable for use as a plugging material in drilling fluids, particularly oil-based drilling fluids.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: May 6, 2025
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC OILFIELD SERVICE CORPORATION, SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD, DRILLING TECHNOLOGY RESEARCH INSTITUTE OF SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD
    Inventors: Gongrang Li, Wenbo Li, Bingxiang Sun, Hui Tian, Xizhou Wang, Ke Li, Jianghong Jia, Lei Yu, Jie Sun, Xudong Wang, Chengjun Wang, Bingtai Li, Haibin Li, Zhendong Liu, Kai Gao, Chunguang Li, Hui Li
  • Patent number: 12285743
    Abstract: A supported catalyst has a support and a metal active component disposed on the support. The metal active component is at least one selected from the group consisting of a Group VIB metal element and a Group VIII metal element. The support contains at least one of heat-resistant inorganic oxides and molecular sieves and includes an internal channel penetrating the support. The ratio of the cross-section area of the channel to the cross-section area of the support is 0.05-3:100. The difference R between the water absorption rate and the BET pore volume of the support is not less than 0.2 mL/g. The supported catalyst can be used as a hydrogenation catalyst. When used in the hydrocracking of hydrocarbon oils, it can achieve high catalytic activity and high yield of jet fuels at the same time. The supported catalyst can also be used as a Fischer-Tropsch synthesis catalyst.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: April 29, 2025
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC
    Inventors: Songtao Dong, Zhihai Hu, Guangle Zhao, Ping Yang, Yang Zhao
  • Patent number: 12281016
    Abstract: A conductive composite material of graphene contains graphene nano-sheets and conjugated copolymers. The conjugated copolymers has alkynyl groups and are in a linear structure and grafted to the graphene nano-sheets. The preparation of conductive composite material includes the steps of: pretreating the graphene nano-sheets with 4-bromobenzenediazonium tetrafluoroborate, and forming the conjugated copolymers in the presence of the pretreated graphene nano-sheets. The conductive composite material of graphene can be uniformly dispersed in an electrode slurry, reduce the internal resistance of an electrode, and improve the electrical conductivity of an electrode. At the same time, the flexible structure associated with the graphene nano-sheets can buffer the volume expansion of the silicon-containing negative materials during charge-discharge cycling. Such a composite material can be in a lithium-ion battery.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: April 22, 2025
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Sai Sun, Siyu Zhang, Wenqian Dong, Huanxin Gao
  • Patent number: 12269794
    Abstract: A fluidized catalytic conversion method for maximizing the production of propylene includes the steps of: 1) contacting a heavy feedstock oil with a catalytic conversion catalyst having a temperature of 650° C. or higher for reaction; 2) contacting a hydrocarbon oil feedstock having an olefin content of 50 wt % or more with the catalytic conversion catalyst after the reaction of step 1); 3) separating a first catalytic cracking distillate oil and a second catalytic cracking distillate oil from the resulting reaction products; 4) separating an olefin-rich stream from the first catalytic cracking distillate oil; and 5) recycling the olefin-rich stream. The method can effectively improve the yield of propylene and realize an effective utilization of petroleum resources.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: April 8, 2025
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC RESEARCH INSTITUTE OF PETROLEUM PROCESSING CO., LTD.
    Inventors: Youhao Xu, Yanfen Zuo, Xingtian Shu, Xieqing Wang, Yibin Luo, Yunpeng Zhang, Yueyang Han, Lingyin Du
  • Patent number: 12269998
    Abstract: A method for processing a gasoline fraction includes the steps of: a) reacting the gasoline fraction in an aromatization unit, and separating the resulting reaction product to obtain a C4? component, a C5 component, a C6-C7 component, a C8 component and a C9+ component; b) reacting the resulting C6-C7 component and the C9+ component in a cracking and aromatics conversion unit, and separating the resulting reaction product to obtain a C4? component, a C5 component, a C6-C7 component, a C8 component and a C9+ component; and c) recycling at least a part of at least one of the C6-C7 component and the C9+ component from step b) to the cracking and aromatics conversion unit of step b) for further reaction. The method can convert the gasoline fraction into C8 aromatic hydrocarbon(s) and produce light olefins and a high-quality light gasoline as byproducts.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: April 8, 2025
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Jingqiu Li, Dejin Kong, Xuguang Li, Zongshuang Wang, Huaying Li, Weiyi Tong
  • Patent number: 12269786
    Abstract: A process for producing propylene involves dehydration of isopropanol. The dehydration process includes a step of subjecting a starting material containing isopropanol to a dehydration reaction in the presence of a dehydration catalyst comprising alumina to produce a product containing propylene. The starting material has a water content of 0.1 to 10.0 wt % (relative to 100 wt % of the total mass of the starting material), and the product has a total content of C2 unsaturated impurities and C3-C4 unsaturated impurities of 80 ppm or less (relative to 100 wt % of the total mass of the product).
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: April 8, 2025
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS CO., LTD.
    Inventors: Kai Qiao, Feng Zhou, Xiuna Yang, Huixia Ma, Rui Jiang, Shumei Zhang, Ping Jin, Shaozhong Peng
  • Patent number: 12264118
    Abstract: A process for producing lower olefins from oxygenates includes the steps of contacting a feedstock comprising oxygenates with molecular sieve catalyst in fluidized bed reaction zone under effective conditions, to produce product including ethylene and/or propylene; the effective conditions include that in the fluidized bed reaction zone, the weights of catalysts having various carbon deposition amounts are controlled, calculated as the weight of the molecular sieve in the catalysts, to have the following proportions based on the total weight of the catalysts in the fluidized bed reaction zone: the proportion of the weight of the catalyst having a coke deposition amount of less than 3 wt % is 1-20 wt %; the catalyst having a coke deposition amount of from 3 wt % to less than 5 wt % represents 10 to 70 wt %; and the catalyst having a coke deposition amount from 5 wt % to 10 wt % represents 10 to 88 wt %.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: April 1, 2025
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Guozhen Qi, Jing Cao, Xiaohong Li, Hongtao Wang, Yongming Jin, Pan Gao
  • Patent number: 12253486
    Abstract: A gas-sensitive material, a preparation method therefore and an application thereof, and a gas sensor using the gas-sensitive material are provided. The gas-sensitive material is a carbon material-metal oxide composite nanomaterial formed by compounding a carbon material and metal oxides. The content of the carbon material is 0.5˜20 wt. % and the content of the metal oxides is 80˜99.5 wt. %; the metal oxides contain tungsten oxide and one or more selected from tin oxide, iron oxide, titanium oxide, copper oxide, molybdenum oxide, and zinc oxide; the metal oxides are formed on the carbon material in the form of nanowires, and the nanowires are tungsten oxide-doped nanowires. The gas-sensitive material has reduced resistance, is capable of responding to various gases at a reduced working temperature.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: March 18, 2025
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC RESEARCH INSTITUTE OF SAFETY ENGINEERING CO., LTD.
    Inventors: Fei An, Bing Sun, Na Li, Lin Wang, Ning Shi, Wei Xu, Shucai Zhang, Haozhi Wang, Shiqiang Wang, Junjie Feng, Chenyang Zhao
  • Patent number: 12252986
    Abstract: A steerable drilling device has an outer tube extending along a longitudinal axis; a drill bit joint inserted into said outer tube, a lower end of said drill bit joint extending out of a lower end of said outer tube for connection to a drill bit; a joint drive mechanism, provided in said outer tube and configured to drive said drill bit joint to swing relative to the longitudinal axis; and a lower connection mechanism. The lower connection mechanism has a connection body connected to said joint drive mechanism in such a manner that said joint drive mechanism is non-rotatable with respect to said connection body, a first centralizer arranged between said connection body and said outer tube, a circuit system arranged in said connection body and configured to provide an electrical signal to said joint driving mechanism, and an attitude sensor arranged in said connection body.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: March 18, 2025
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC PETROLEUM ENGINEERING TECHNOLOGY SERVICE CO., LTD, SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD, SINOPEC MATRIX CORPORATION, GEOSTEERING & LOGGING RESEARCH INSTITUTE, SINOPEC MATRIX CORPORATION
    Inventors: Qingming Ma, Jieran Zhu, Ningning Yang, Guangquan Li, Yufeng Li, Nan Lin, Haiquan Tang, Haiyang Du, Chao Lu
  • Patent number: 12246308
    Abstract: A catalyst contains a metal oxide, and a molecular sieve, in a crystal form, having a topological pore structure. The metal oxide is centrally distributed on the surface of the molecular sieve. Grains of the molecular sieve are exposed to at least three families of crystal planes. The family of crystal plane with the largest pore size in topology is occupied by the metal oxide by no more than 30%, preferably no more than 20%, or no more than 10%.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: March 11, 2025
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Chang Liu, Yangdong Wang, Zaiku Xie, Su Liu, Haibo Zhou, Junjie Su, Wenqian Jiao, Lin Zhang
  • Patent number: 12233397
    Abstract: A composite material is used for desulfurization. The composite material contains activated carbon, alkali metal oxides, silicon oxides, iron oxides, and rare earth element oxides. The weight ratio among the activated carbon, iron oxides and rare earth element oxides is 100:(0.5-5):(1-10). The composite material, used as a sulfur adsorbent, has a higher sulfur breakthrough capacity and desulfurization rate.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: February 25, 2025
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC QILU COMPANY
    Inventors: Cuicui Xu, Aihua Liu, Feng Han, Jianli Liu, Zengrang Liu, Weidong Tao, Wenzhi Chang, Caishan Lyu
  • Patent number: 12233396
    Abstract: A molecular sieve complex contains an oxide of aluminum, an oxide of an alkaline earth metal and a rare earth-modified molecular sieve. The rare earth-modified molecular sieve is a molecular sieve doped by a rare earth element. The percentage of the pore volume occupied by pores of 3 nm or less to the total pore volume in the molecular sieve complex is greater than or equal to 63.5%. The content of the rare earth element and the contents of the oxide of aluminum, the oxide of the alkaline earth metal and the molecular sieve satisfy a certain relationship. The composite material contains a molecular sieve complex and an auxiliary agent loaded on the molecular sieve complex, and the composite material may be applied to flue gas adsorption and desulfurization.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: February 25, 2025
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC QILU COMPANY
    Inventors: Huizhi Yuan, Aihua Liu, Jianli Liu, Cuicui Xu, Zengrang Liu, Weidong Tao, Wenzhi Chang, Caishan Lyu
  • Patent number: 12226725
    Abstract: The present invention provides an oil slurry filter, a filter unit including the oil slurry filter, a multiple-filter system including the oil slurry filter, and a multiple-stage filter system including the oil slurry filter. Due to the use of the filter component of flexible texture in the oil slurry filter of the present invention, the problems that the filter material is easily blocked by high-viscosity colloidal impurities, the regeneration efficiency of the filter is poor and the filtration efficiency is low are solved, and it is possible to make the backwash treatment of the filter residue more convenient and improve the regeneration efficiency of the filter. The present invention also provides a filtering process using the oil slurry filter to ensure long-term stable operation of the oil slurry filtering process.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: February 18, 2025
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC, SUN-CENTRAL (SHANGHAI) MARKETING AND SERVICE CO., LTD
    Inventors: Zhihai Hu, Yong Han, Chuanfeng Niu, Lingping Wang, Fa Liu, Tan Chen, Zhicai Shao, Jinshan Xiao, Zhonghuo Deng, Shasha Li, Lishun Dai, Wei Ye, Qiang Fang, Wenjing Xu
  • Patent number: 12215580
    Abstract: A differential-pressure sliding sleeve has an outer cylinder with a flow guiding hole being provided in a wall of the outer cylinder, an inner cylinder arranged in an inner cavity of the outer cylinder, an upper joint extending into the outer cylinder and fixedly connected to an upper end of the outer cylinder, a lower joint extending into the outer cylinder and fixedly connected to a lower end of the outer cylinder, and a dissolvable carrier ring arranged between the lower joint and the inner cylinder. An area of the axial upper end surface of the inner cylinder is greater than that of an axial lower end surface thereof, so that the working fluid generates a pressure difference to provide downward pressure for the inner cylinder, which moves downward under the pressure after the carrier ring is dissolved to open the flow guiding hole.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: February 4, 2025
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC SOUTHWEST OIL & GAS COMPANY
    Inventors: Shunqu Hu, Yongmao Lin, Wei Zhao, Wei Lei, Zhi Xie, Zhimin Hou, Chen Chen, Qiang Wang, Dan Hu, Jingyu Cui
  • Patent number: 12214339
    Abstract: A nanocage-confined catalyst has the formula: NC-m[M(Salen1)X]-n[M?(Salen2)]. NC is a material having a nanocage structure, and M(Salen1)X and M? (Salen2) are active centers, respectively; each occurrence of M is independently selected from the group consisting of Co ion, Fe ion, Ga ion, Al ion, Cr ion, and a mixture thereof. Each occurrence of M? is independently selected from Cu ion, Ni ion and a mixture thereof, m is 0 to 100; n is 0 to 100, with the proviso that at least one of m and n is not 0; each occurrence of Salen1 and Salen2 is independently a derivative of Shiff bases; X is an axial anion selected from the group consisting of substituted or unsubstituted acetate, substituted or unsubstituted benzene sulfonate, substituted or unsubstituted benzoate, F—, Cl—, Br—, I—, SbF6-, PF6-, BF4-, and a mixture thereof.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: February 4, 2025
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Guiju Tao, Weimin Yang, Wenjun He, Fengping Yu, Shaoqing Jin
  • Publication number: 20250034943
    Abstract: A tubular apparatus includes an upper joint, an inner cylinder, a piston, a metal seal, a bearing, and an anvil. The upper joint is connected to an outer cylinder. The inner cylinder has a cavity and is disposed within the outer cylinder. The piston has a piston rod disposed within the cavity of the inner cylinder and is moveable along an axis. The metal seal is disposed between the inner cylinder and a cylinder gland. The piston rod extends through the cylinder gland to a hammer, and a portion of the hammer is disposed within an outer tube. The bearing is disposed between the hammer and the outer tube. The anvil has a bit head and is connected to the hammer.
    Type: Application
    Filed: April 7, 2022
    Publication date: January 30, 2025
    Applicants: SAUDI ARABIAN OIL COMPANY, Sinopec Reasearch Institute of Petroleum Engineering
    Inventors: Bodong Li, Guodong Zhan, Abdulaziz Almusa, Abdulwahab Aljohar, Timothy Eric Moellendick, Zhongwei Suo
  • Patent number: 12194445
    Abstract: A modified ? zeolite has 0.5-15 wt % of an IVB group metal element in terms of oxide on the dry basis weight of the modified ? zeolite. The number of medium strong acid centers of the modified ? zeolite accounts for 30-60% of the total acid amount, the number of strong acid centers accounts for 5-25% of the total acid amount, and the ratio of B acid to L acid is 0.8 or more. The ratio of the weight content of the IVB group metal element in the modified ? zeolite body phase to the weight content of the IVB group metal element on the surface is 0.1-0.8. The catalytic cracking catalyst containing the modified ? zeolite has good selectivity and yield of C4 olefin.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: January 14, 2025
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC
    Inventors: Shanqing Yu, Jiasong Yan, Jiexiao Zhang, Liwen Tang
  • Patent number: 12194446
    Abstract: A SCM-34 molecular sieve, preparation method therefor and use thereof are provided. The SCM-34 molecular sieve contains aluminum, phosphorus, oxygen and optionally silicon. In the XRD diffraction data of the molecular sieve, a 2? degree of the strongest peak within the range of 5-50° is 7.59±0.2. The SCM-34 molecular sieve has a new skeleton structure and can be used to prepare a metal-containing AFI type molecular sieve or an SAPO-17 molecular sieve.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: January 14, 2025
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Weimin Yang, Jian Qiao, Zhiqing Yuan, Zhendong Wang, Jiawei Teng, Weichuan Tao, Wenhua Fu, Songlin Liu
  • Patent number: 12186742
    Abstract: The invention relates to a method for regulating the gas velocity of the empty bed in a fluidized bed, wherein solid catalysts are used as fluidized particles or as a part of fluidized particles, characterized in that the gas velocity of the empty bed ? of the reaction zone of the fluidized bed is measured, compared with the bed average catalyst density ? of the solid catalysts in the reaction zone of the fluidized bed, the gas velocity of the empty bed ? being adjusted as required such that the gas velocity of the empty bed ? and the bed average catalyst density ? satisfy the formula (I) below: ?=0.356?3?4.319?2?35.57?+M; wherein M=250?; where ? is provided in m/s and ? is provided in kg/m3. The method can be used for the industrial production of lower olefin.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: January 7, 2025
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Hongyuan Zong, Guozhen Qi, Jing Cao, Xiaohong Li, Zhinan Yu, Li Wang
  • Patent number: 12180148
    Abstract: A catalytic conversion process for producing propylene includes the steps of: 1) providing a starting material comprising olefin(s) having 4 or more carbon atoms; 2) pretreating the starting material to obtain a propylene precursor comprising olefin(s) having 3×2n carbon atoms, wherein n is an integer greater than or equal to 1; and 3) subjecting the propylene precursor to a catalytic cracking reaction to obtain a reaction product comprising propylene.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: December 31, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC
    Inventors: Youhao Xu, Xuhui Bai, Langyou Wen, Xin Wang, Mingyuan He