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公开(公告)号：US11369906B2
公开(公告)日：2022-06-28
申请号：US17091160
申请日：2020-11-06
发明人： Chunxi Lu , Wen Zhou , Chenglin E , Zixuan Li
IPC分类号： B01D45/12 , B01D45/16 , B01D45/08 , B01D45/02 , B01D45/06 , B01D19/00 , B01D53/24 , B01D53/26
摘要： A gas-liquid separation device comprises: an outer housing extending vertically, which is provided with a gas outlet at an upper end of the outer housing and a liquid outlet at a lower end of the outer housing; an inner housing disposed in the outer housing and extending vertically, an upper end of the inner housing being coupled to the outer housing in a sealed manner, a lower end of the inner housing being opened, with an annular space formed between the outer housing and the inner housing; a feeding tube inserted into the outer housing and communicated with the inner housing, with a cyclone mechanism between the feeding tube and the inner housing to output fluid into the inner housing as a swirling flow. The present disclosure can reduce the disturbance of the downward gas flow and the upward gas flow in the separation space, thus improving the separation efficiency.
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公开(公告)号：US11338264B2
公开(公告)日：2022-05-24
申请号：US17153180
申请日：2021-01-20
发明人： Chunxi Lu , Jiantao Li , Xiuying Yao
摘要： The present disclosure discloses a fluidized bed cooler with regional coordination enhancement, comprising a shell, a catalyst inlet, an interior of the shell is divided into a catalyst inlet influence region, a dilute phase region, a dense phase region and a gas distributor influence region; a catalyst inlet inclined tube is provided obliquely upward at the catalyst inlet, and a regional particle distributor is provided at the catalyst inlet; the dense phase region is provided with a plurality of dense phase baffle plates, and the dilute phase region is provided with a plurality of dilute phase baffle plates; and the gas distributor influence region is provided with double gas distributors. The fluidized bed cooler simultaneously well solves the low internal stability and the low heat exchange efficiency of the fluidized bed cooler, thereby realizing the stable and efficient operation of the fluidized bed cooler.
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公开(公告)号：US11306860B2
公开(公告)日：2022-04-19
申请号：US16870830
申请日：2020-05-08
发明人： Yi Xiong , Da Yu , Kunpeng Zhao
IPC分类号： G01B21/32 , F16L55/28 , F16L101/30
摘要： The disclosure provides a pipeline deformation detection PIG, including: a detection body and a foam body; the detection body is arranged in the foam body, and the detection body includes: a pressure sensing element; and the pressure sensing element includes: a pressure sensor and a pressure coupling unit. The detection body of the pipeline deformation detection PIG of the present disclosure is provided in the foam body, the inner side surface of the pressure coupling unit is in contact with the force receiving surface of the pressure sensor, and the outer side surface is in contact with the inner wall of the pipeline to be detected, the pressure coupling unit can translate the pipeline deforms into pressure according to coupling deformation, and meanwhile solve the stuck problem of the existing detection PIG in a large deformation pipeline.
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公开(公告)号：US11230671B2
公开(公告)日：2022-01-25
申请号：US17028994
申请日：2020-09-22
发明人： Xingying Lan , Yuming Zhang , Jinsen Gao , Xiaogang Shi , Chengxiu Wang
IPC分类号： B01J8/00 , B01J8/18 , B01J8/26 , B01J8/28 , B01J19/00 , B01J19/24 , C10G9/36 , C10G31/08 , C10G57/00
摘要： A coupling reaction apparatus for heavy oil cracking-gasification, including a cracking section and a gasification section communicated with each other, and the cracking section is located above the gasification section; the cracking section is provided with a heavy oil raw material inlet and a fluidizing gas inlet, and an upper part of the cracking section is provided with an oil-gas outlet; and the gasification section is provided with a gasification agent inlet.
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公开(公告)号：US20210354118A1
公开(公告)日：2021-11-18
申请号：US17390123
申请日：2021-07-30
发明人： Liang ZHAO , Jinsen GAO , Butian XIA , Lixia DONG , Jingye CHEN , Yuhao ZHANG , Chunming XU
摘要： Provided are an in situ bifunctional catalyst for deep desulfurization and increasing octane number of gasoline, and its preparation method and application. The bifunctional catalyst includes a modified catalyst carrier and a loaded active metal, where the modified catalyst carrier is a composite carrier prepared through mixing γ-Al2O3 and an acidic molecular sieve by a binder and calcining. When the bifunctional catalyst provided by the present application is used for hydrodesulfurization of gasolines, deep desulfurization, olefin reduction and octane number preservation can be realized simultaneously, thereby obtaining a high-quality oil product.
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公开(公告)号：US11136488B1
公开(公告)日：2021-10-05
申请号：US17228424
申请日：2021-04-12
发明人： Guancheng Jiang , He Shi , Kaixiao Cui , Yinbo He , Lili Yang , Tengfei Dong , Chunyao Peng , Xuwu Luo , Bin Tan , Jun Cai , Xing Liang , Zhiliang You , Yong Wang
IPC分类号： C09K8/36 , C08G63/685 , C08G63/78
摘要： The present invention relates to the technical field of oil and gas drilling, and discloses a biodiesel-based constant rheological property drilling fluid containing intelligent temperature responsive polymer, which contains two or more of the following components which are stored in admixture or separately: base oil biodiesel, aqueous phase, emulsifier, organic soil, constant rheological property flow pattern modifier, hydrolysis inhibitor, filtrate reducer and weighting material; the constant rheological property flow pattern modifier is an intelligent temperature responsive polymer, and the polymer contains structural units provided by bis-hydroxyethyl bis-hydroxypropyl stearyl ammonium chloride, ethylene bis-stearamide and dimerized fatty acid. The drilling fluid provided by the present invention has excellent environmental protection property and degradability, and has conventional rheological property, weak gel structure and fluid loss property which are equivalent to those of the conventional oil-based drilling fluid, and also has excellent temperature resistance, CaO compatibility and constant rheological property.
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公开(公告)号：US20210087475A1
公开(公告)日：2021-03-25
申请号：US17028994
申请日：2020-09-22
发明人： XINGYING LAN , YUMING ZHANG , JINSEN GAO , XIAOGANG SHI , CHENGXIU WANG
摘要： A coupling reaction apparatus for heavy oil cracking-gasification, including a cracking section and a gasification section communicated with each other, and the cracking section is located above the gasification section; the cracking section is provided with a heavy oil raw material inlet and a fluidizing gas inlet, and an upper part of the cracking section is provided with an oil-gas outlet; and the gasification section is provided with a gasification agent inlet.
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公开(公告)号：US10947830B2
公开(公告)日：2021-03-16
申请号：US16257254
申请日：2019-01-25
发明人： Guangqing Zhang , Yuanxun Nie , Cankun Lin
摘要： A fracturing method for creating a complex crack network by intermittent fracturing on site, which relates to oil and gas field development, and comprises the following steps: pumping a fracturing fluid into an oil well to enter the reservoir, continuing pumping the fracturing fluid into fractured cracks after a pumping pressure has reached a preset pressure, and stopping pumping the fracturing fluid after a preset condition has been reached; performing under-pressure shut-in for the oil well; stopping the shut-in operation when a signal detecting vehicle cannot receive an obvious microseismic signal in the under-pressure shut-in process; repeating the above three steps multiple times; pumping the fracturing fluid into the oil well to enter the reservoir by the fracturing truck until an amount of the pumped in fracturing fluid reaches a design pump-in liquid amount; pumping a sand-carrying fluid into the oil well to enter the reservoir by means of a sand blending truck and the fracturing truck after the amount of the pumped in fracturing fluid has reached the design pump-in liquid amount, and stopping pumping the sand-carrying fluid after the pumped in sand-carrying fluid has reached a preset sand adding amount.
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公开(公告)号：US20210054254A1
公开(公告)日：2021-02-25
申请号：US17080173
申请日：2020-10-26
发明人： YANGCHUAN KE , CHENGCHENG YU
摘要： The present disclosure provides a drilling fluid lubricant and a preparation method and use thereof. The preparation method includes steps of: 1) mixing styrene and water, then adding a nano-inorganic intermediate, a crosslinking agent and an emulsifier and stirring to obtain a first mixture; 2) under an inert atmosphere, stirring the first mixture to obtain an intermediate emulsion; then heating the intermediate emulsion to 70-85° C., then adding an initiator, keeping temperature and stirring for 7-10 hours to obtain an emulsion of polystyrene nanocomposite with a particle size of 40-90 nm; the emulsion of polystyrene nanocomposite being sequentially subjected to a granulating treatment to obtain polystyrene nanocomposite particles; 3) mixing industrial base oil, polystyrene nanocomposite particles and industrial oleic acid, and stirring evenly at room temperature to obtain the drilling fluid lubricant.
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公开(公告)号：US10921480B2
公开(公告)日：2021-02-16
申请号：US16362590
申请日：2019-03-22
发明人： Lizhi Xiao , Guangzhi Liao , Zhe Sun , Xin Li , Sihui Luo
IPC分类号： G01V3/32 , E21B47/024 , E21B49/00 , E21B47/002
摘要： The application provides a downhole three-dimensional scanning nuclear magnetic resonance imaging logging instrument and a probe, an antenna thereof, wherein the antenna comprises: an radio frequency antenna, an orienting device and a rotating device; the radio frequency antenna is fixed on an outer surface of the orienting device, and the orienting device is arranged on a magnet, the rotating device is fixed on the magnet; the rotating device is movably connected to the orienting device; and the rotating device is configured to drive the orienting device to rotate relative to the magnet, such that the radio frequency antenna on the orienting device can be drived to rotate, and echo signals in different directions can be acquired by the radio frequency antenna. The purpose of multi-directional measurement can be achieved, and the overall properties of an undisturbed stratum can be reflected by the applicant.
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