Research on the Construction of a Petrophysical Model of a Heterogeneous Reservoir in the Hydrate Test Area in the Shenhu Area of the South China Sea (SCS)

The occurrence characteristics of hydrates in the Shenhu area reflect a typical inhomogeneity in terms of spatial distribution. It is difficult to accurately describe the petrophysical properties of a reservoir using a petrophysical model considering a single cementation factor parameter. According...

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Autores principales:	Xing Lei, Liu Xueqin, Liu Huaishan, Qin Zhiliang, Ma Benjun
Formato:	article
Lenguaje:	EN
Publicado:	Hindawi-Wiley 2021
Materias:	Geology QE1-996.5
Acceso en línea:	https://doaj.org/article/60f5e0d79a5e4d868ca2670cb4dc3ce9
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id	oai:doaj.org-article:60f5e0d79a5e4d868ca2670cb4dc3ce9
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spelling	oai:doaj.org-article:60f5e0d79a5e4d868ca2670cb4dc3ce92021-11-08T02:35:26ZResearch on the Construction of a Petrophysical Model of a Heterogeneous Reservoir in the Hydrate Test Area in the Shenhu Area of the South China Sea (SCS)1468-812310.1155/2021/5586118https://doaj.org/article/60f5e0d79a5e4d868ca2670cb4dc3ce92021-01-01T00:00:00Zhttp://dx.doi.org/10.1155/2021/5586118https://doaj.org/toc/1468-8123The occurrence characteristics of hydrates in the Shenhu area reflect a typical inhomogeneity in terms of spatial distribution. It is difficult to accurately describe the petrophysical properties of a reservoir using a petrophysical model considering a single cementation factor parameter. According to the analysis of a mathematical model and the estimation results of Vp and Vs, the unique structure of foraminiferal sediment particles provides opportunities for forming a diversified hydrate occurrence in the foraminiferal area. In areas where hydrates are thin and interbedded, hydrate reservoirs are generally three-phase media, with obvious thermoelastic properties. Therefore, the parameters of the three characteristic models of the pore-filling model, particle cementation model, and thermodynamic elastic model are all included in the correction model. The weights of the influence factors are then changed to realize an accurate description of the petrophysical characteristics of the correction model in different drilling areas and at different formation depths, reducing the limitations of using a single petrophysical model to describe the petrophysical characteristics of heterogeneous regions under the influence of multiple factors.Xing LeiLiu XueqinLiu HuaishanQin ZhiliangMa BenjunHindawi-WileyarticleGeologyQE1-996.5ENGeofluids, Vol 2021 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Geology QE1-996.5
spellingShingle	Geology QE1-996.5 Xing Lei Liu Xueqin Liu Huaishan Qin Zhiliang Ma Benjun Research on the Construction of a Petrophysical Model of a Heterogeneous Reservoir in the Hydrate Test Area in the Shenhu Area of the South China Sea (SCS)
description	The occurrence characteristics of hydrates in the Shenhu area reflect a typical inhomogeneity in terms of spatial distribution. It is difficult to accurately describe the petrophysical properties of a reservoir using a petrophysical model considering a single cementation factor parameter. According to the analysis of a mathematical model and the estimation results of Vp and Vs, the unique structure of foraminiferal sediment particles provides opportunities for forming a diversified hydrate occurrence in the foraminiferal area. In areas where hydrates are thin and interbedded, hydrate reservoirs are generally three-phase media, with obvious thermoelastic properties. Therefore, the parameters of the three characteristic models of the pore-filling model, particle cementation model, and thermodynamic elastic model are all included in the correction model. The weights of the influence factors are then changed to realize an accurate description of the petrophysical characteristics of the correction model in different drilling areas and at different formation depths, reducing the limitations of using a single petrophysical model to describe the petrophysical characteristics of heterogeneous regions under the influence of multiple factors.
format	article
author	Xing Lei Liu Xueqin Liu Huaishan Qin Zhiliang Ma Benjun
author_facet	Xing Lei Liu Xueqin Liu Huaishan Qin Zhiliang Ma Benjun
author_sort	Xing Lei
title	Research on the Construction of a Petrophysical Model of a Heterogeneous Reservoir in the Hydrate Test Area in the Shenhu Area of the South China Sea (SCS)
title_short	Research on the Construction of a Petrophysical Model of a Heterogeneous Reservoir in the Hydrate Test Area in the Shenhu Area of the South China Sea (SCS)
title_full	Research on the Construction of a Petrophysical Model of a Heterogeneous Reservoir in the Hydrate Test Area in the Shenhu Area of the South China Sea (SCS)
title_fullStr	Research on the Construction of a Petrophysical Model of a Heterogeneous Reservoir in the Hydrate Test Area in the Shenhu Area of the South China Sea (SCS)
title_full_unstemmed	Research on the Construction of a Petrophysical Model of a Heterogeneous Reservoir in the Hydrate Test Area in the Shenhu Area of the South China Sea (SCS)
title_sort	research on the construction of a petrophysical model of a heterogeneous reservoir in the hydrate test area in the shenhu area of the south china sea (scs)
publisher	Hindawi-Wiley
publishDate	2021
url	https://doaj.org/article/60f5e0d79a5e4d868ca2670cb4dc3ce9
work_keys_str_mv	AT xinglei researchontheconstructionofapetrophysicalmodelofaheterogeneousreservoirinthehydratetestareaintheshenhuareaofthesouthchinaseascs AT liuxueqin researchontheconstructionofapetrophysicalmodelofaheterogeneousreservoirinthehydratetestareaintheshenhuareaofthesouthchinaseascs AT liuhuaishan researchontheconstructionofapetrophysicalmodelofaheterogeneousreservoirinthehydratetestareaintheshenhuareaofthesouthchinaseascs AT qinzhiliang researchontheconstructionofapetrophysicalmodelofaheterogeneousreservoirinthehydratetestareaintheshenhuareaofthesouthchinaseascs AT mabenjun researchontheconstructionofapetrophysicalmodelofaheterogeneousreservoirinthehydratetestareaintheshenhuareaofthesouthchinaseascs
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Research on the Construction of a Petrophysical Model of a Heterogeneous Reservoir in the Hydrate Test Area in the Shenhu Area of the South China Sea (SCS)

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