Patents Assigned to China Petroleum & Chemical Corporation
  • Patent number: 12129226
    Abstract: Processes for converting ethanol and syngas (CO and H2) to isobutanol are disclosed. Syngas and ethanol are reacted in the first reaction zone in the presence of a first heterogeneous catalyst to produce a first reactor effluent comprising a first mixture of alcohols. The first reactor effluent is reacted a second reaction zone in the presence of a second heterogeneous catalyst to produce a second reactor effluent comprising a second mixture of alcohols. The second reactor effluent is separated into an overhead gas stream and a liquid bottom stream. The liquid bottom stream is separated into at least a C1-2 stream, a C3 stream, and a C4+ stream. The isobutanol is recovered from the C4+ stream.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: October 29, 2024
    Assignees: China Petroleum & Chemical Corporation, UOP LLC
    Inventors: Jinbiao Guo, Richard Long, Tian Ruan
  • Patent number: 12129216
    Abstract: The invention relates to a process of converting methanol in a fluidized bed reactor comprising feeding a methanol-containing feedstock into a fluidized bed reactor, contacting the feedstock with a catalyst, to produce a product comprising ethylene and propylene under effective conditions; the fluidized bed reactor comprises a diluent-phase zone and a dense-phase zone, wherein the diluent-phase temperature difference between any regions of the diluent-phase zone having a methanol concentration of more than 0.1 wt % (preferably more than 0.01 wt %) in the fluidized bed reactor is controlled to be less than 20° C., and the dense-phase temperature difference between any regions in the dense-phase zone having a methanol concentration of more than 0.1 wt % (preferably more than 0.01 wt %) in the fluidized bed reactor is controlled to be less than 10° C.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: October 29, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Guozhen Qi, Jing Cao, Xiaohong Li, Hongtao Wang, Li Wang, Yanxue Wang
  • Patent number: 12129728
    Abstract: A downhole blowout preventer has a blowout preventer tubing string containing a circulation unit, a packer unit and a pressure-building unit connected in sequence from top to bottom. The pressure-building unit is configured to be activated in response to a command, so as to build up pressure in a space inside the blowout preventer tubing string. The packer unit is configured to be activated when a pressure in said space reaches a first predetermined value, so as to seal an annulus between said blowout preventer tubing string and an external casing or borehole. The circulation unit is configured to be activated when the pressure in said space reaches a second predetermined value, thereby creating a circulation path between an interior and an exterior of the blowout preventer tubing string. The first predetermined value is less than the second predetermined value.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: October 29, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC PETROLEUM ENGINEERING TECHNOLOGY RESEARCH INSTITUTE CO., LTD.
    Inventors: Lanrong Ma, Lei Gu, Huibo Yin, Xiaozhi Zheng, Guangming Cheng, Yuequan Hou
  • Patent number: 12121880
    Abstract: A catalyst component for olefin polymerization includes magnesium, titanium, a halogen, an internal electron donor compound, and a precipitation aid. The precipitation aid includes a precipitation aid represented by general formula (I). The precipitation aid represented by general formula (I) includes isomers represented by general formula (I-a) and/or (I-b).
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: October 22, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Rui Zhang, Zhong Tan, Qilong Zhou, Xiudong Xu, Fengkui Li, Shanshan Yin, Jinhua Yu, Weiwei Song
  • Patent number: 12122974
    Abstract: An organophosphorus compound has a structure represented by the general formula (I): The functional groups are defined in the description. The organophosphorus compound has prominent bearing capacity and excellent antiwear and antifriction performances, and can be used as an extreme pressure antiwear additive and used in lubricating oil and lubricating grease.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: October 22, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC
    Inventors: Xiaowei Chen, Kecheng Wei
  • Patent number: 12123661
    Abstract: The present invention relates to the field of fluid heat transfer, and discloses a heat transfer enhancement pipe as well as a cracking furnace and an atmospheric and vacuum heating furnace including the same. The heat transfer enhancement pipe (1) includes a pipe body (10) of tubular shape having an inlet (100) for entering of a fluid and an outlet (101) for said fluid to flow out; internal wall of the pipe body (10) is provided with a fin (11) protruding towards interior of the pipe body (10), wherein the fin (11) has one or more fin sections extending spirally in the axial direction of the pipe body (10), and each fin section has a first end surface facing the inlet (100) and a second end surface facing the outlet (101), at least one of the first end surface and the second end surface of at least one of the rib sections is formed as a transition surface along spirally extending direction.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: October 22, 2024
    Assignees: China Petroleum & Chemical Corporation, Bejing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Guoqing Wang, Junjie Liu, Lijun Zhang, Cong Zhou, Zhaobin Zhang, Shasha Yang, Dongfa Shen, Xiaofeng Li, Shifang Yang, Zhiguo Du, Yonggang Zhang, Ying Shi, Jinghang Guo
  • Patent number: 12116331
    Abstract: A gas replacement process and a gas replacement apparatus are employed, in the nitro compound hydrogenation reaction process. The gas replacement process at least includes a first step of subjecting a stream to be replaced to the gas replacement in presence of a first replacement gas, and then a second step of subjecting to the gas replacement in presence of the second replacement gas. Assuming the superficial velocity of the first replacement gas is V1, and the superficial velocity of the second replacement gas is V2, then V2/V1?1.5.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: October 15, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Siqing Zhong, Jun Xu, Le Zhao, Lianghua Wu
  • Patent number: 12110460
    Abstract: A method for recovering C2 components in a methane-containing industrial gas includes the steps of (1) cooling a compressed methane-containing industrial gas and performing gas-liquid separation; (2) absorbing C2 components in the gas phase by using an absorbent to obtain an absorption rich liquid; (3) returning the absorption rich liquid to the compression in step (1) or mixing the absorption rich liquid with the liquid phase obtained in step (1) to obtain a mixed liquid, and depressurizing the mixed liquid or the absorption rich liquid; (4) performing methane desorption on the depressurized stream to obtain a rich absorbent, or performing second gas-liquid separation on the depressurized stream, followed by methane desorption on the second liquid phase to obtain a rich absorbent; and (5) desorbing and separating the rich absorbent to obtain a lean absorbent and an enriched gas, and recycling and reusing the lean absorbent.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: October 8, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Huawei Shao, Dongfeng Li, Yi Zou, Zhixin Liu, Chunfang Li, Liang Guo, Jingsheng Zhang, Zhiyan Hu
  • Patent number: 12098114
    Abstract: A fluidized apparatus contains a double-trapezoid structural member. These fluidized apparatuses are used in the nitro compound hydrogenation reaction process. The fluidized apparatus includes a shell, a gas distributor, and an inner chamber defined by an inner wall of said shell and an upper surface of said gas distributor, in the middle region of said inner chamber is disposed a perforated plate, the perforated plate comprise an outer edge region and a center region, assuming the opening rate of the outer edge region is A1 (the unit is %), assuming the opening rate of the center region is A2 (the unit is %), then A1/A2=0-0.95.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: September 24, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Jun Xu, Siqing Zhong, Le Zhao, Lianghua Wu
  • Patent number: 12092787
    Abstract: A method for measuring subterranean formation porosity includes the steps of: deploying a nuclear logging tool having one or more neutron sources and two or more dual-function detectors disposed in into a subterranean formation; causing the one or more neutron sources to emit neutrons in a plurality of neutron pulses into the subterranean formation and generating neutrons and gamma rays in the subterranean formation; obtaining one or more neutron count rates for each of the two or more detectors; determining a formation type of the subterranean formation based on gamma rays received at the one or more detectors; calculating one or more neutron count rate ratios between the neutron count rates of two detectors selected from the two or more detectors; and obtaining one or more formation porosities based on the formation type and the one or more neutron count rate ratios.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: September 17, 2024
    Assignee: CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Jeremy Zhang, Sheng Zhan
  • Publication number: 20240288414
    Abstract: Described are a water quality testing method and a water quality testing apparatus. The testing method includes: obtaining, in a first environment, a testing sample including a target testing object; selecting a reference object according to the testing sample, and respectively acquiring the chroma of the reference object in a second environment and in the first environment; constructing a correction model according to the chroma of the reference object in the second environment and in the first environment; obtaining the chroma of the testing sample in the first environment; according to the chroma of the testing sample in the first environment and the correction model, obtaining the chroma of the testing sample in the second environment; and according to a preset standard curve and the chroma of the testing sample in the second environment, obtaining the concentration of the target testing object in the testing sample.
    Type: Application
    Filed: May 25, 2022
    Publication date: August 29, 2024
    Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC RESEARCH INSTITUTE OF SAFETY ENGINEERING CO., LTD.
    Inventors: Junjie FENG, Bing SUN, Huiyun JIANG, Yan JIN, Anshan XIAO, Haozhi WANG, Shiqiang WANG
  • Patent number: 12060319
    Abstract: The present invention relates to a preparation process for a Cu-based catalyst and use of the Cu-based catalyst as the dehydrogenation catalyst in producing a hydroxyketone compound such as acetoin. Said Cu-based catalyst shows a high the acetoin selectivity as the dehydrogenation catalyst for producing acetoin.
    Type: Grant
    Filed: January 20, 2022
    Date of Patent: August 13, 2024
    Assignees: China Petroleum & Chemical Corporation, Dalian Research Institute of Petroleum and Petrochemicals, SINOPEC CORP.
    Inventors: Kai Qiao, Feng Zhou, Jie Su, Huixia Ma, Qingtong Zhai, Shumei Zhang
  • Patent number: 12060291
    Abstract: Disclosed is a method for the treatment and resource utilization of acidic organic wastewater, comprising: (1) performing activated sludge treatment on acidic organic wastewater; and (2) performing microalgae treatment on the acidic organic wastewater treated in step (1). By means of the combination of activated sludge treatment and microalgae treatment, the present invention can significantly reduce the COD of the acidic organic wastewater. In some embodiments, the use of acclimated activated sludge or activated sludge having a specific microbial flora structure can not only improve the treatment efficiency while shortening the treatment time, but also omit a pH value adjustment step without causing sludge accumulation.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: August 13, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC NANJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CO., LTD.
    Inventors: Haitao Li, Songbai Mao, Dong Wang, Xi Chen
  • Patent number: 12054680
    Abstract: A method for producing light aromatics, includes the steps of: i) contacting a feedstock comprising heavy aromatic(s) with a catalyst in a fluidized reactor for aromatics lightening reaction in the presence of hydrogen to obtain a product rich in C6-C8 light aromatic(s) and a spent catalyst, wherein the heavy aromatic is one or more selected from C9+ aromatics; ii) separating the resulted product rich in C6-C8 light aromatic(s) to obtain hydrogen, a non-aromatic component, C6-C8 light aromatic(s) and a C9+ aromatic component; and iii) recycling at least a part of the C9+ aromatic component to the fluidized reactor. The method has strong adaptability to feedstocks and high flexibility in operation and allows a long-period stable operation. The method can produce high-value light aromatics from heavy aromatics that are difficult to be treated and utilized.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: August 6, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC
    Inventors: Di Wang, Xiaoli Wei, Jianhong Gong, Jingchuan Yu, Jiushun Zhang
  • Patent number: 12054682
    Abstract: A process for producing light olefins from inferior oils includes the steps of: subjecting an inferior oil to a thermal conversion reaction in the presence of hydrogen to obtain a conversion product; separating the conversion product to obtain a first separated product; separating the first separated product to obtain an upgraded oil and a pitch; subjecting the upgraded oil to hydro-upgrading to obtain a hydro-upgraded oil; separating the hydro-upgraded oil to obtain a hydro-upgraded heavy oil; and subjecting the hydro-upgraded heavy oil to catalytic cracking to obtain a catalytic cracking product comprising a light olefin.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: August 6, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC
    Inventors: Huandi Hou, Xiaoli Wei, Jun Long, Ming Dong, Jiushun Zhang, Shuandi Hou, Xuefeng Chen, Jialin Liang, Jiguang Li, Cuihong Wang, Haiping Shen, Jianhong Gong, Lishun Dai
  • Patent number: 12050294
    Abstract: A method and system for generating and displaying a low frequency model for a seismic survey region are provided. The method and system may include defining a seismic survey geometry of the seismic survey region; processing seismic data to generate a stacked seismic data and well log data to obtain elastic attributes; importing stacked seismic data and processed well log data into the defined seismic survey geometry; generating envelope data using the stacked seismic data; generating a low frequency trace for each well; calculating a least-squares optimized coefficient model at each well location based upon the generated envelope data and the low frequency trace for each well; interpolating the coefficient model to the seismic survey geometry using a covariance technique and the imported stacked seismic data; and generating a three-dimensional low frequency model by inversion using the envelope data and the interpolated coefficient model for display.
    Type: Grant
    Filed: February 8, 2023
    Date of Patent: July 30, 2024
    Assignee: CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Yequan Chen, Fan Xia
  • Patent number: 12037268
    Abstract: Disclosed is a method for treating sulfur-containing organic wastewater by integrating an energy supply unit and a treatment unit into an integrated device. The treatment unit is used to purify sulfur-containing organic wastewater with an initial concentration of organic sulfur, so that the organic sulfur content in the treated sulfur-containing organic wastewater is within a preset range to enable the device to efficiently purify and treat sulfur-containing organic wastewater with different initial concentrations of organic sulfur, the efficiency of purifying sulfur-containing organic wastewater can be improved to a certain extent, the purification cost can be reduced, and the competitiveness of enterprise can be enhanced.
    Type: Grant
    Filed: January 30, 2024
    Date of Patent: July 16, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, CHINA PETROLEUM & CHEMICAL CO., LTD. OF NORTH BRANCH
    Inventors: Wenlong Liang, Xiaoqing Qiu, Xiang Wang, Yi Luo, Guofeng Li, Changyu Yao, Zhijun Gao, Xianyi Chen, Xiaoming Li, Fuguo Li, Xinge Jiang, Youliang Cen, Ruiyang Wang, Lei Li, Ruixia Wang, Puyan Hou, Binghua Dang
  • Patent number: 12037551
    Abstract: A liquid-phase reactor has an outer cylinder and an inner cylinder disposed along an axial direction of the reactor. The outer cylinder has a top head, a straight cylinder section and a bottom head. An annular space is formed between the inner cylinder and the outer cylinder. A top end of the inner cylinder is open and is in communication with the annular space. The inner cylinder has an upper cylinder and a lower cylinder sequentially from top to bottom. The upper cylinder is positioned in the straight cylinder section, with its cross-sectional area being gradually reduced from top to bottom. The lower cylinder is positioned in the bottom head, with its cross-sectional area being gradually increased from top to bottom. An inorganic membrane tube extending along the axial direction of the reactor is provided in the lower cylinder so that a shell-and-tube structure is formed.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: July 16, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC CORP.
    Inventors: Xiuna Yang, Feng Zhou, Zonglin Ruan, Jia He
  • Patent number: 12037541
    Abstract: An anionic-cationic-nonionic surfactant represented by the formula (I) exhibits significantly improved interfacial activity and stability as compared with the prior art. With the present anionic-cationic-nonionic surfactant, a flooding fluid composition for tertiary oil recovery with improved oil displacement efficiency and oil washing capability as compared with the prior art could be produced.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: July 16, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Yingcheng Li, Songyuan Gu, Weidong Zhang, Xinning Bao, Ou Sha, Zhiqin Shen, Yiqing Yang, Xiaodong Zhai
  • Patent number: 12031410
    Abstract: A drilling tool has an upstream drilling string, a downstream drilling bit, and a percussive device connected between the upstream drilling string and the downstream drilling bit. In a first state, the upstream drilling string is generated with elastic compression by the percussive device, and in a second state, the upstream drilling string releases the elastic compression to apply impacts on the downstream drilling bit through the percussive device. The drilling tool has a prolonged service life and can effectively reduce the drilling cost.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: July 9, 2024
    Assignees: China Petroleum & Chemical Corporation, Sinopec Petroleum Engineering Technology Research Institute Co., Ltd.
    Inventors: Haiping Zhang, Yanbin Zang, Guangjun Ma, Jiachang Wang, Mingguang Sun, Xinghua Tao, Lingchao Xuan, Xiaodan Liu, Renlong Zhang