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公开(公告)号：US20180246254A1
公开(公告)日：2018-08-30
申请号：US15942356
申请日：2018-03-30
Applicant: PetroChina Company Limited
Inventor： Hongliang Wu , Zhou Feng , Ning Li , Kewen Wang , Qingfu Feng , Gong Zhang
CPC classification number: G01V99/005 , E21B49/00 , E21B49/02 , E21B49/08 , G01V5/101
Abstract: Disclosed is a method of acquiring the rock component content in a stratum, the method comprising: on the basis of acquired element capture spectroscopy logging data, performing normalization processing on each element yield in the stratum rock components; on the basis of an element yield curve obtained from the normalization processing and a pre-established stratum rock interpretation model, establishing a logging curve response equation set; and utilizing the established logging curve response equation set and an optimization algorithm, calculating the content of a rock component in a stratum. The method and device can directly process element yield data of element capture spectroscopy logging, and can improve the accuracy of calculating the rock component in a stratum.
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公开(公告)号：US20180223194A1
公开(公告)日：2018-08-09
申请号：US15748851
申请日：2016-06-08
Applicant: PetroChina Company Limited
Inventor： Shoutao Ma , Xiaoqiao Huang , Famin Sun , Qingfeng Ma , Fangming Xie , Yongsheng Duan , Xianjun Wu , Fengxuan Li , Dongmei Ge , Endong Xia , Ruifeng Li , Ronglei Ji , Liying Liu , Lihong Qin , Xiangbin Meng , Chunming Dong , Xuefeng Lu , Rui Wang , Tiegang Xu , Shurong Ni
IPC: C10G45/58 , C10G45/72 , C10G69/02 , C10M177/00
Abstract: Provided are a liquid-phase hydroisomerization system and a process therefor and use thereof. The system comprises a gas-liquid mixer (3), a hydroisomerization reactor (4) and a fractionating column (6). An oil product and hydrogen are mixed as a liquid hydrogen-oil mixture, and are introduced into the hydroisomerization reactor for a hydroisomerization reaction, and after being fractionated, a target product is led out. A supplemental hydrogen-dissolving inner member is provided at least between a group of two adjacent catalyst bed layers in order to supplement hydrogen to the reactants. The process cancels a circulating hydrogen compressor, has a simple process flow, and can be applied to the production of a lubricant base oil by the hydroisomerization of a lubricant raw material or the production of a low freezing point diesel by the hydroisomerization of and the reduction in the freezing point of a diesel raw material.
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93.发明申请公开(公告)号：US20180222756A1
公开(公告)日：2018-08-09
申请号：US15750403
申请日：2016-08-04
Applicant: PetroChina Company Limited
Inventor： Xionghou Gao , Shuhong Sun , Yunfeng Zheng , Xiaoliang Huang , Aiguo Lin , Xiaoyan Li , Lin Wang , Gengzhen Cao , Conghua Liu , Zhishuang Pan , Wei Ding , Yahong Wang , Dong Wang , Qiuxia Teng , Haitao Zhang
CPC classification number: C01B39/24 , B01J29/084 , B01J29/088 , B01J29/146 , B01J29/405 , B01J29/46 , B01J37/0236 , B01J37/031 , B01J37/04 , B01J37/08 , B01J2229/186 , B01J2229/42 , C01B39/38 , C10G11/05 , C10G2300/1033 , C10G2300/1048
Abstract: A preparation method for modified molecular sieve and a modified molecular sieve-containing catalytic cracking catalyst. The preparation method comprises: mixing molecular sieve slurry, a compound solution containing ions of group IIIB metals of the periodic table of elements, organic complexing agent and/or dispersing agent and precipitating agent to obtain mixed slurry containing molecular sieve and precipitates of group IIIB elements in the periodic table of elements; and drying, and roasting or not roasting to obtain molecular sieve modified by the group IIIB elements. A weight ratio of group IIIB elements calculated based on oxides to molecular sieve dry basis is equal to (0.3-10):100, a molar ratio of organic complexing agent to ions of group IIIB metals is equal to (0.3-10):1, and a molar ratio of dispersing agent to the ions of group IIIB metals is equal to (0.2-16):1. Also related to is the catalytic cracking catalyst containing the modified molecular sieve prepared according to the method. The molecular sieve prepared by the method or the catalytic cracking catalyst containing same has good activity stability and heavy metal pollution resistance.
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94.发明申请公开(公告)号：US20180209928A1
公开(公告)日：2018-07-26
申请号：US15927779
申请日：2018-03-21
Applicant: PETROCHINA COMPANY LIMITED
Inventor： Qiongwei LI , Bihai CHENG , Zewei TANG , Jianqiang XUE , Caili FU , Huili YANG , Zhiwu HE , Lihua YANG , Xinzhu ZHANG , Yulai SUN
CPC classification number: G01N27/205 , E21B17/1078 , E21B47/0006 , E21B47/0905 , G01N27/041
Abstract: This disclosure provides a method and device for detecting the damage rate of an inner coating of a downhole oil casing. The method includes filling the oil casing with electrolyte, obtaining the well depth-detection current on a discharge electrode in a process of moving the discharge electrode from one end of the oil casing to the other end of the oil casing, and determining a well depth-damage rate state of the inner coating of the oil casing according to the well depth-detection current. This application can realize quantitative judgment for the damage rate of an inner coating of a downhole oil casing, resulting in rapid in detection speed, convenient and safe in operation, and low detection cost.
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公开(公告)号：US10031250B2
公开(公告)日：2018-07-24
申请号：US14984013
申请日：2015-12-30
Applicant: PetroChina Company Limited
Inventor： Zhonghua Liu , Lianteng Song , Cancan Zhou , Chaoliu Li , Jixin Deng , Changxi Li , Xiangzhi Cheng , Xia Li , Chao Yuan , Qiangfu Kong , Song Hu , Hongjun Xu , Baoyin Xue , Peiyuan Zhang
Abstract: The present invention proposes a method and apparatus of determining stiffness coefficients of formation, wherein the method comprising: setting up a relation of stiffness coefficients of formation C11 and C33, C44, C66 based on stiffness coefficients of a formation core sample; computing clay content of formation along depth continuously based on formation logging information; computing the stiffness coefficient of formation C33 along depth continuously based on a P-wave velocity and a volume density of the formation; computing the stiffness coefficient of formation C44 along depth continuously based on a S-wave velocity and a volume density of the formation; and then computing the stiffness coefficients of formation C11 and C66 along depth continuously based on the calculations above, the relation of stiffness coefficients of formation C11 and C33, C44, C66, and a relation of an anisotropy coefficient of the P-wave of the formation and its clay content or a relation of an anisotropy coefficient of the S-wave of the formation and its clay content. The present invention does not need to calculate stiffness coefficients by using a horizontal S-wave velocity inversed from the extracted stoneley waves, and avoids an extraction process of horizontal S-wave, such that the calculation is simple and effective.
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Patent Agency Ranking
96.发明申请公开(公告)号：US20180127517A1
公开(公告)日：2018-05-10
申请号：US15799589
申请日：2017-10-31
Applicant: PetroChina Company Limited
Inventor： Jianhui LUO , Xinxiang ZHANG , Baoliang PENG , Pingmei WANG , Bin DING , Lipeng HE , Xiangfei GENG
CPC classification number: C08B15/00 , B01D61/14 , B01D69/02 , B01D71/34 , B01J31/30 , B82Y30/00 , B82Y40/00 , C08B15/05 , C08F251/02 , C08G77/04 , C08G77/12 , C08J7/047 , C08J7/12 , C08J2301/02 , C08J2483/04 , C08J2483/05 , C08L51/02 , C08L83/04 , C08L1/00 , C08K5/01 , C08K5/56
Abstract: The present disclosure relates to a hydrophobically modified nanocellulose crystal and a method for hydrophobic grafting modification of nanocellulose crystals, comprising the steps: mixing the nanocellulose crystals with a saturated alkane, and stirring the resultant at room temperature or under a heating condition; while stirring, adding in sequence a polymethylhydrosiloxane containing a silicon-hydrogen bond and a catalyst; continuously stirring to complete the dehydrogenation reaction, then obtaining a mixed solution; and filtering the mixed solution by a polyvinylidene fluoride membrane, then drying it to complete the hydrophobic modification. A —Si—O—C-chemical bonding is formed between the polymethylhydrosiloxane and the nanocellulose crystal in the method, enabling improvement of the hydrophobicity and water resistance of the nanocellulose crystal.
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公开(公告)号：US09874089B2
公开(公告)日：2018-01-23
申请号：US14765287
申请日：2013-06-06
Applicant: PETROCHINA COMPANY LIMITED
Inventor： He Liu , Xiaohan Pei , Fuchao Sun , Lichen Zheng , Qinghai Yang , Yang Gao
Abstract: A bridge concentric direct-reading testing and adjusting instrument, comprising a cable head connected to a pressure sensor; a supporting mechanism having a pair of supporting arms; a sliding power mechanism including a power motor, a spring, an impact hammer and a one-way clutch assembly, the impact hammer slidably connected to the power motor to be rotated along with rotation of the power motor, a lower end of the impact hammer detachably connected to the one-way clutch assembly, and the one-way clutch assembly connecting the supporting arms via a transmission assembly to control opening and closing of the supporting arms; a flowmeter; and an adjusting actuator including an adjusting motor, an adjusting connector and an adjusting arm, the adjusting arm used for adjusting a waterflooding flow rate through rotation of the adjusting arm.
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公开(公告)号：US09605531B2
公开(公告)日：2017-03-28
申请号：US14857052
申请日：2015-09-17
Applicant: PetroChina Company Limited
Inventor： Hong Xin , Tianshou Zhu , Lijun Mu , Wei Huang , Ming Li , Qingming Gan , Haitao Yang , Lei Zhang , Ertao Han
CPC classification number: E21B47/06 , E21B33/124 , E21B43/121 , E21B43/14 , E21B47/12 , E21B47/124 , E21B49/087
Abstract: An intelligent test system and a method for a multi-segment fractured horizontal well. The intelligent test method for a multi-segment fractured horizontal well comprises: step A: placing a test tubular column into an underground horizontal section; step B: setting a pressure building packer and a hanging packer by means of pressurization after the test tubular column is placed into an underground designed position; step C: breaking a hydraulic release connector to separate the hydraulic release connector from a seal pipe; step D: pulling out a first oil pipe, and reserving the tubular column comprising the seal pipe and located on the downstream part of the seal pipe in a horizontal well; and step E: placing a production tubular column or a communications tubular column into a vertical section of the horizontal well.
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99.发明申请公开(公告)号：US20160376885A1
公开(公告)日：2016-12-29
申请号：US14984581
申请日：2015-12-30
Applicant: PetroChina Company Limited
Inventor： Yong Li , Baozhu Li , Yixiang Zhu , Qihao Qian , Changbing Tian , Benbiao Song
CPC classification number: E21B43/00
Abstract: The present invention discloses a method and an apparatus for predicting performance profiles of multi-layered oil reservoirs, wherein the method comprises: dividing the multi-layered oil reservoirs into a plurality of blocks, and determining a reservoir type, formation factor Kh and an evaluated reserves of each layer in each block; selecting a block representing geologic features of the multi-layered oil reservoirs from the plurality of blocks as a representative block, to build a fine geological model of the representative block; building corresponding fine numerical simulation model according to the fine geological model of the representative block, and determining type curves of different reservoir types under different development strategies; determining a relation curve between Kh and well injection rate for injectors and a relation curve between Kh and well production rate for producers in the multi-layered oil reservoirs under different restrictive conditions; predicting performance of the multi-layered oil reservoirs according to the type curve, the relation curve between Kh and well injection rate, the relation curve between Kh and well production rate, and the reservoir type, formation factor Kh and evaluated reserves of each layer in each block.
Abstract translation: 本发明公开了一种用于预测多层油藏性能特征的方法和装置，其特征在于，该方法包括：将多层油藏分为多块，确定储层类型，形成因子Kh， 每个块中每层的储量; 从多个块中选择表示多层油藏的地质特征的块作为代表块，构建代表块的精细地质模型; 根据代表性块的精细地质模型构建相应的精细数值模拟模型，并根据不同的发展策略确定不同油藏类型的类型曲线; 确定不同限制条件下多层油藏的生产者的Kh与注射井注入速率之间的关系曲线以及Kh与井生产率之间的关系曲线; 根据类型曲线，Kh和井注入率之间的关系曲线，Kh和井生产率之间的关系曲线以及储层类型，形成因子Kh和每层的评估储量来预测多层油藏的性能 每个块。
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100.发明申请PHYSICAL SIMULATION METHOD AND EXPERIMENT DEVICE OF FRACTURE-CAVITY CARBONATE RESERVOIR HYDROCARBON CHARGE 审中-公开裂隙碳酸盐储层碳氢化合物的物理模拟方法和实验装置公开(公告)号：US20160363691A1
公开(公告)日：2016-12-15
申请号：US14984507
申请日：2015-12-30
Applicant: PetroChina Company Limited
Inventor： Suyun Hu , Shuyuan Shi , Hua Jiang , Tongshan Wang , Qingchun Jiang
Abstract: The present invention provides a physical simulation experiment device of fracture-cavity carbonate reservoir hydrocarbon charge. The experiment device comprises a fracture-cavity model, an experiment stand with windows, a wall rock and a camera monitoring system; the fracture-cavity model comprises simulation caves in different sizes and simulation fractures in different sizes; the simulation caves are connected to one another via the simulation fractures; the fracture-cavity model is arranged inside the experiment stand with windows, and the simulation caves of at least one side of the fracture-cavity model are visual through the windows of the experiment stand; a surrounding of the wall rock is arranged around the fracture-cavity model to simulate a formation of fracture-cavity carbonate reservoir; the camera monitoring system is used for measuring and adjusting changes in flow rate and pressure in a charge process, and recording an image of fracture and cave in the charge process displayed in the windows. The present invention further provides a physical simulation method of fracture-cavity carbonate reservoir hydrocarbon charge, which uses the above-mentioned experiment device. The present invention can obtain regularities of distribution of oil, gas and water through parameters such as karsts, fractures, density of cruel oil, and oil, gas and water distribution and the like.
Abstract translation: 本发明提供了一种裂缝型碳酸盐岩油藏碳氢化合物充填物理模拟实验装置。 实验装置包括断裂腔模型，带窗口的实验台，墙壁岩石和相机监控系统; 断裂腔模型包括不同尺寸的模拟洞穴和不同尺寸的模拟裂缝; 模拟洞穴通过模拟裂缝相互连接; 裂缝腔模型布置在具有窗口的实验台内，裂缝腔模型的至少一侧的模拟洞穴通过实验台的窗口进行视觉; 裂缝腔模型周围围绕围岩，模拟裂缝型碳酸盐岩储集层的形成; 相机监控系统用于测量和调整充电过程中流量和压力的变化，并在窗口中显示的充电过程中记录裂缝和洞穴的图像。 本发明还提供了一种使用上述实验装置的裂隙腔碳酸盐储层烃电荷的物理模拟方法。 本发明可以通过岩溶，裂缝，残油密度，油气分配等参数，获得油，气，水分布规律。
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