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Calculating the primary porosity of unconsolidated sands based on packing texture: Application to braided river sands
Yan Yiming1,2,3; Zhang, Liqiang1,2,3; Luo, Xiaorong4
2019-09-01
Source PublicationMARINE AND PETROLEUM GEOLOGY
ISSN0264-8172
Volume107Pages:515-526
AbstractPrimary porosity is an important parameter in studies of reservoir and porosity evolution. However, the applicable conditions for the few existing mathematical models of primary porosity have yet to be clarified. A mathematical model based on the packing texture was proposed by the authors in a previous study; however, the proposed model was only applicable to well-sorted and well-rounded modem beach sands. In this study, the model was modified and applied to poorly-sorted and poorly-rounded braided river sands. The applicable conditions for the proposed models and the previous empirical formula were investigated based on 41 modem braided river sand samples from the Kuqa River in the Tarim Basin and 40 modern beach sand samples from eastern China. Modern sands can be divided into three types based on the particle size distribution. Modified mathematical formulas were derived for each type of sands. The constant parameters in the mathematical model, such as the filling coefficients, embedment coefficients, and packing void ratios were obtained through experiments and through linear fitting. Based on the mathematical model, the errors between the measured and the calculated primary porosities ranged from - 3% to 3% for the modem braided sands and from - 2% to 2% for the modern beach sands. Using the empirical formula, the primary porosity errors in the modern braided river sands were large, and the formula could not be appropriately applied except to well-sorted and well-rounded modern beach sands. Compared with the modified mathematical model, the original mathematical model could not be applied well to braided river sands owing to the additional errors caused by e(f1). The modified mathematical model based on the packing texture was more credible when applied to poorly-sorted and angular braided river sands; further, it was applicable to all types of unconsolidated sands.
KeywordPrimary porosity Mathematical model Packing texture Grain size distribution Braided river sands Beach sands
DOI10.1016/j.marpetgeo.2019.05.033
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science and Technology Major Project ; National Science and Technology Major Project ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Key technology and Theory of efficient Exploration and Development of Deep Oil andas in Tarim Basin ; Key technology and Theory of efficient Exploration and Development of Deep Oil andas in Tarim Basin ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science and Technology Major Project ; National Science and Technology Major Project ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Key technology and Theory of efficient Exploration and Development of Deep Oil andas in Tarim Basin ; Key technology and Theory of efficient Exploration and Development of Deep Oil andas in Tarim Basin ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science and Technology Major Project ; National Science and Technology Major Project ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Key technology and Theory of efficient Exploration and Development of Deep Oil andas in Tarim Basin ; Key technology and Theory of efficient Exploration and Development of Deep Oil andas in Tarim Basin ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science and Technology Major Project ; National Science and Technology Major Project ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Key technology and Theory of efficient Exploration and Development of Deep Oil andas in Tarim Basin ; Key technology and Theory of efficient Exploration and Development of Deep Oil andas in Tarim Basin
WOS KeywordRESERVOIR QUALITY PREDICTION ; GRAIN-SIZE ; PERMEABILITY ; DIAGENESIS ; FACIES ; BASIN ; MODEL
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDA14010202] ; National Science and Technology Major Project[2017ZX05008-004] ; Fundamental Research Funds for the Central Universities ; Key technology and Theory of efficient Exploration and Development of Deep Oil andas in Tarim Basin
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science and Technology Major Project ; National Science and Technology Major Project ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Key technology and Theory of efficient Exploration and Development of Deep Oil andas in Tarim Basin ; Key technology and Theory of efficient Exploration and Development of Deep Oil andas in Tarim Basin ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science and Technology Major Project ; National Science and Technology Major Project ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Key technology and Theory of efficient Exploration and Development of Deep Oil andas in Tarim Basin ; Key technology and Theory of efficient Exploration and Development of Deep Oil andas in Tarim Basin ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science and Technology Major Project ; National Science and Technology Major Project ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Key technology and Theory of efficient Exploration and Development of Deep Oil andas in Tarim Basin ; Key technology and Theory of efficient Exploration and Development of Deep Oil andas in Tarim Basin ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science and Technology Major Project ; National Science and Technology Major Project ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Key technology and Theory of efficient Exploration and Development of Deep Oil andas in Tarim Basin ; Key technology and Theory of efficient Exploration and Development of Deep Oil andas in Tarim Basin
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000484871100035
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/93588
Collection油气资源研究院重点实验室
Corresponding AuthorYan Yiming; Zhang, Liqiang
Affiliation1.China Univ Petr, Key Lab Deep Oil & Gas, Qingdao 266555, Shandong, Peoples R China
2.China Univ Petr, Sch Geosci, Qingdao 266555, Shandong, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Mineral Resources, Qingdao 266071, Shandong, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Yan Yiming,Zhang, Liqiang,Luo, Xiaorong. Calculating the primary porosity of unconsolidated sands based on packing texture: Application to braided river sands[J]. MARINE AND PETROLEUM GEOLOGY,2019,107:515-526.
APA Yan Yiming,Zhang, Liqiang,&Luo, Xiaorong.(2019).Calculating the primary porosity of unconsolidated sands based on packing texture: Application to braided river sands.MARINE AND PETROLEUM GEOLOGY,107,515-526.
MLA Yan Yiming,et al."Calculating the primary porosity of unconsolidated sands based on packing texture: Application to braided river sands".MARINE AND PETROLEUM GEOLOGY 107(2019):515-526.
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