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1.发明授权公开(公告)号：US10801942B2
公开(公告)日：2020-10-13
申请号：US16306030
申请日：2017-09-06
发明人： Chenghua Ou , Haiyan Zhu , Qingyou Liu , Chaochun Li
摘要： A multi-functional multi-field coupling seepage experiment device includes a device body, a stress field control system, a temperature field control system, a fluid loading control system and a fluid seepage measurement system. The present invention further discloses seepage experiments performed on tight gas, shale gas, tight oil, shale oil, natural gas hydrate and geothermal heat in a multi-field coupling state of a temperature field, a stress field, a pore pressure field and a seepage field.
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公开(公告)号：US11834947B2
公开(公告)日：2023-12-05
申请号：US17489496
申请日：2021-09-29
发明人： Chenghua Ou , Chaochun Li
CPC分类号： E21B49/005 , E21B43/30 , E21B49/087 , E21B2200/20
摘要： The present invention discloses a three-dimensional in-situ characterization method for heterogeneity in generating and reserving performances of shale. The method includes the following steps: establishing a logging in-situ interpretation model of generating and reserving parameters based on lithofacies-lithofacies-well coupling, and completing single-well interpretation; establishing a 3D seismic in-situ interpretation model of generating and reserving parameters by using well-seismic coupling; establishing a spatial in-situ framework of a layer group based on lithofacies-well-seismic coupling, and establishing a spatial distribution trend framework of small layers of a shale formation by using 3D visualized comparison of a vertical well; and implementing 3D in-situ accurate characterization of shale generating and reserving performance parameters by using lithofacies-well-seismic coupling based on the establishment of the seismic-lithofacies dual-control parameter field. The present invention integrates an in-situ technology into shale logging, seismic generating and reserving parameter interpretation, and the establishment of a 3D mesh model of small layers of shale, which realizes the accurate description of the heterogeneity in TOC content and porosity value of shale oil and gas in a 3D space, and provides a reliable technical support for shale oil and gas exploration and development.
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公开(公告)号：US20220170366A1
公开(公告)日：2022-06-02
申请号：US17489496
申请日：2021-09-29
发明人： Chenghua Ou , Chaochun Li
摘要： The present invention discloses a three-dimensional in-situ characterization method for heterogeneity in generating and reserving performances of shale. The method includes the following steps: establishing a logging in-situ interpretation model of generating and reserving parameters based on lithofacies-lithofacies-well coupling, and completing single-well interpretation; establishing a 3D seismic in-situ interpretation model of generating and reserving parameters by using well-seismic coupling; establishing a spatial in-situ framework of a layer group based on lithofacies-well-seismic coupling, and establishing a spatial distribution trend framework of small layers of a shale formation by using 3D visualized comparison of a vertical well; and implementing 3D in-situ accurate characterization of shale generating and reserving performance parameters by using lithofacies-well-seismic coupling based on the establishment of the seismic-lithofacies dual-control parameter field. The present invention integrates an in-situ technology into shale logging, seismic generating and reserving parameter interpretation, and the establishment of a 3D mesh model of small layers of shale, which realizes the accurate description of the heterogeneity in TOC content and porosity value of shale oil and gas in a 3D space, and provides a reliable technical support for shale oil and gas exploration and development.
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