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1.发明公开公开(公告)号：US20240316541A1
公开(公告)日：2024-09-26
申请号：US18674013
申请日：2024-05-24
发明人： Penggang LV , Tao LIU , Zhishuang PAN , Xiaoliang HUANG , Hongchang DUAN , Yunfeng ZHENG , Jinjun CAI , Manyun WANG , Zhengguo TAN
摘要： The present application provides a metal modified ZSM-5 molecular sieve catalyst and a preparation method and an application thereof, and the preparation method includes the following steps: mixing a ZSM-5 molecular sieve, tetraethyl orthosilicate, trichloroacetic acid, and water for reaction, and filtering to obtain an intermediate; mixing the intermediate, a melamine solution and a metal salt solution, drying and roasting, and obtaining the metal modified ZSM-5 molecular sieve catalyst. The prepared catalyst has the advantages of good catalytic activity, selectivity and stability, simple preparation process and easiness for operation.
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公开(公告)号：US20240093599A1
公开(公告)日：2024-03-21
申请号：US18521195
申请日：2023-11-28
发明人： Guangjie YUAN , Jingcui LI , Yan XIA , Jifang WAN , Gentai JIN , Guotao LI , Hong ZHANG , Tianen LIU , Pan FU , Yuhan PANG
IPC分类号： E21B47/117 , E21B21/08 , E21B47/103
CPC分类号： E21B47/117 , E21B21/08 , E21B47/103
摘要： A lost circulation detection device includes a first detection member and a second detection member, a first signal transmitter and a first signal receiver are disposed on the first detection member, and the first signal transmitter transmits a signal along an axial direction of a rockshaft so that the first signal receiver acquires data information of drilling fluid in the axial direction of the rockshaft; a fluid channel penetrating through the second detection member is disposed in the second detection member, and the fluid channel is configurable to be in communication with the rockshaft; a second signal transmitter and a second signal receiver are disposed oppositely on two sides of the fluid channel, and the second signal transmitter transmits a signal along a center line of a second accommodating groove, so that the second signal receiver acquires data information of drilling fluid in a circumferential direction of the rockshaft.
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3.发明公开公开(公告)号：US20230407199A1
公开(公告)日：2023-12-21
申请号：US18036751
申请日：2021-10-26
发明人： Guangyou ZHU , Zhiyong CHEN , Meng WANG , Tingting LI
CPC分类号： C10L3/103 , G01N23/00 , B01D46/0036 , C10L3/101 , E21B43/34 , G01N2223/01 , G01N2223/1045 , G01N2223/638
摘要： An integrated process and system for measurement and treatment of toxic gases in deep natural gas. The process comprises: cooling and depressurizing deep natural gas and then drying same; sequentially performing radon, hydrogen sulfide, and mercury measurements on the dried deep natural gas; if it is found after the measurements that the concentrations of mercury, radon, and hydrogen sulfide in the deep natural gas reach standards, delivering the deep natural gas to a gas transmission pipeline; if it is found after the measurements that the concentrations of radon, hydrogen sulfide, and mercury in the deep natural gas are substandard, sequentially performing harmless treatment on radon and partial mercury, hydrogen sulfide, and remaining mercury in the deep natural gas; sequentially performing mercury, radon, and hydrogen sulfide measurements on the deep natural gas having experienced the harmless treatment; if the concentrations of mercury, radon, and hydrogen sulfide in the deep natural gas reach the standards, delivering the deep natural gas having experienced the harmless treatment to the gas transmission pipeline; and if the concentrations of mercury, radon, and hydrogen sulfide in the deep natural gas are substandard, continuing to sequentially perform harmless treatment on radon and partial mercury, hydrogen sulfide, and remaining mercury in the deep natural gas, until the concentrations thereof reach the standards.
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公开(公告)号：US20230286817A1
公开(公告)日：2023-09-14
申请号：US18198101
申请日：2023-05-16
发明人： Xuejun Zhang , Zhuoran Gao , Yaqiong Hu , Hongmin Kang , Jianbo Ma
摘要： The present disclosure provides a ZSM-35 molecular sieve and a preparation method therefor, an isomerization catalyst and a preparation method therefor, and an isomerization method. The preparation method for a ZSM-35 molecular sieve comprises: mixing a silicon source, an aluminum source, an alkali, a template agent and water, then adding a polyacrylamide thereto, and performing crystallization on same twice to obtain a ZSM-35 molecular sieve. The present disclosure further provides an isomerization catalyst prepared from the ZSM-35 molecular sieve and a preparation method therefor, and an isomerization method.
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5.发明公开公开(公告)号：US20230258282A1
公开(公告)日：2023-08-17
申请号：US17999722
申请日：2021-05-20
发明人： Xinglong CHEN , Jianguo XU , Jiazhong WU , Haishui HAN , Na ZHANG
CPC分类号： F16K47/08 , E21B34/02 , E21B43/168 , F15D1/025 , F15D1/06 , F16K27/08 , F16L55/02763
摘要： A cylinder porous cylinder, a gas flow control valve, and a mounting method for the gas flow control valve. The porous cylinder (1) includes a plurality of pipe bundles filled inside the pipe. A single flow passage is formed in each of the pipe bundles, such that a seepage passage is formed inside the pipe. The inner diameter, length and permeability of the pipe bundle are determined in advance based on a Reynolds number smaller than 2300. The porous cylinder (1) is capable of implementing a stable gas flow in a gas injection channel. The valve body (21) of the gas flow control valve (2) is provided therein with a plurality of tubular passages arranged in sequence along the horizontal direction of the valve body. The tubular passages include a pipe flow passage (24) and a plurality of seepage passages (25). The porous cylinder (1) is mounted in each of the seepage passages (25). A plurality of connection channels (221) are provided in the valve cap. One end of each of the connection channels (221) communicates with the interior of each of the tubular passages, and the other end of each of the connection channels (221) is provided respectively with a valve stem. The opening and closing of the plurality of tubular passages are controlled by the valve stem, thus regulating the output ratio of the injected gas. In addition, a mounting method for the gas flow control valve is further provided.
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公开(公告)号：US20230073816A1
公开(公告)日：2023-03-09
申请号：US18047424
申请日：2022-10-18
发明人： Hangzhou Wang , Yixin Liu , Ye Ji , Wei Duan , Lu Wang
摘要： An optimization method and system for a whole process of molecular-level oil refinery processing and a storage medium are described. According to an embodiment, for mixed products obtained by prediction from simulation of a molecular-level crude oil processing process, when physical properties of any mixed product do not meet any preset standard, or when a target parameter of the mixed products does not meet a preset condition, the proportion of different fractions entering respective petroleum processing device, an operating parameter in a product prediction model, and a mixing rule for mixing predicted products are adjusted, and the mixed products are re-obtained, until the product properties meet any preset standard and the target parameter meets the preset condition. Final predicted products are predicted by adjusting the proportion of fractions for secondary processing, and the production efficiency is improved by means of the simulation optimization of a production process.
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7.发明申请公开(公告)号：US20230001327A1
公开(公告)日：2023-01-05
申请号：US17772367
申请日：2020-10-26
发明人： Qing Cao , Dawei Wen , Shengbao He , Yuan Xiu , Lin Tian , Dingzhong Yang , Jing He , Minna Dou , Fei Chen , Kunhong Liu , Chenchen Li , Huifeng Xue , Jianming Wang
IPC分类号： B01D15/18 , B01D15/12 , B01D15/42 , B01D63/08 , B01D69/02 , C10G25/00 , B01J20/08 , B01J20/28 , G01N30/06 , G01N30/38
摘要： The present disclosure provides an automatic separation apparatus for four fractions of heavy oil and a separation method thereof, wherein the apparatus includes a solvent reservoir tank (1), a separation unit for four fractions of heavy oil (100) and a receiving apparatus (9). The separation unit for four fractions of heavy oil (100) includes: a filter disc (4) having one end in communication with the solvent reservoir tank (1), and the other end in communication with an inlet of a pre-column flow path switching valve (5); a chromatographic column (6) having an inlet in communication with an outlet of the pre-column flow path switching valve (5), and an outlet in communication with an inlet of a post-column flow path switching valve (8). The receiving apparatus is in communication with an outlet of the post-column flow path switching valve (8).
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8.发明申请公开(公告)号：US20220259485A1
公开(公告)日：2022-08-18
申请号：US17739378
申请日：2022-05-09
发明人： Chunming Xiong , Falin Wei , Haiyang Yang , Yongjun Xie , Liming Shao , Kang Peng , Zhihui Zeng
摘要： Disclosed is a carbon-dioxide-responsive self-thickening intelligent fluid based on supramolecular self-assembly, which comprises a Gemini surfactant, a single-chain amide molecule having a tertiary amine head group and water, wherein the Gemini surfactant and the single-chain amide molecule are self-assembled to form a vesicle structure dispersed in water, with a hydrophilic head group being located outside and a hydrophobic tail group located inside. The method for preparing the carbon-dioxide-responsive self-thickening intelligent fluid of the present invention is simple, the injection viscosity is low, and the fluid is converted into a gel when encountering carbon dioxide, so that the viscosity is greatly increased.
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公开(公告)号：US11353442B2
公开(公告)日：2022-06-07
申请号：US16663616
申请日：2019-10-25
发明人： Xuan Xu , Xizhe Li , Yong Hu , Yongxin Han , Yunsheng Wei , Yujin Wan , Chunyan Jiao , Zhenhua Guo , Haifa Tang , Weigang Huang , Guangzhen Chu , Yunhe Su
摘要： The invention provides a physical simulation experimental device and method for water invasion and drainage gas recovery in gas reservoir, and the experimental device includes: a heterogeneous reservoir model having a first core holder, a second core holder, a third core holder and a fourth core holder, wherein the third core holder is connected between the first core holder and the second core holder, and the fourth core holder is connected between an outlet end of the first core holder and an outlet end of the second core holder; a gas injection mechanism having a gas injection bottle and a gas injection cylinder; a water body simulation mechanism having a water storage tank and a water injection pump. The invention can simulate and reveal different drainage gas recovery modes, timings, scales and their influences on the recovery ratio of the gas reservoir.
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10.发明授权公开(公告)号：US11313223B2
公开(公告)日：2022-04-26
申请号：US16470539
申请日：2018-12-10
发明人： Hongliang Wu , Ning Li , Zhou Feng , Changlin Lan , Tao Lv , Kewen Wang , Qingfu Feng
摘要： A gamma ray spectrum unfolding method for elemental capture spectroscopy logging and a device therefor including the steps of first preprocessing the data obtained from an elemental capture spectrometry instrument; constructing a primary element group and an auxiliary element group according to the degree of interactions among the elements via theoretical analysis and numerical calculation of spectrum profiles, characteristic peak channels, and backgrounds of different elements; unfolding by using the least square method based on the construction of the primary element group and the auxiliary element group; and finally reconstructing the spectrum based on theory according to the yield of each element obtained by unfolding with the least square method, and comparing the measured gamma ray spectrum with the reconstructed gamma ray spectrum for error control, thereby improving the spectrum unfolding precision.
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