Zobrazeno 1 - 10
of 409
pro vyhledávání: '"porosity and permeability"'
Publikováno v:
Journal of Rehabilitation in Civil Engineering, Vol 12, Iss 3, Pp 61-84 (2024)
This study investigates the effects of polycarboxylate-lignosulfonate superplasticizer (PLS), water, and cement content on mechanical, physical and cementitious paste thickness of pervious concrete (PC) for its further application in urban areas. For
Externí odkaz:
https://doaj.org/article/73607a3767d54153b6e942ae7ab0b5e0
Publikováno v:
Записки Горного института, Vol 268, Pp 646-655 (2024)
The article describes the methodology for laboratory studies of reservoir rock exposure to hydrogen. The stages of sample research and the instruments used in the experiments are considered. A comparative analysis of the results of studies on porosit
Externí odkaz:
https://doaj.org/article/f8dc0dd92e32420bbbaf05364e68a01a
Publikováno v:
Journal of Petroleum Exploration and Production Technology, Vol 14, Iss 6, Pp 1365-1393 (2024)
Abstract This study delves into the micro-occurrence states and enrichment mechanisms of residual oil, pivotal for advancing the production from tight sandstone reservoirs, particularly from the Chang 8 Member of the Upper Triassic Yanchang Formation
Externí odkaz:
https://doaj.org/article/9c5699443ec54588acefde5c4aa7730a
Autor:
Jianbiao Wu, Runsheng Han, Yan Zhang, Peng Wu, Hongsheng Gong, Lei Wang, Gong Cheng, Xiaodong Li, Yixuan Yang, Yaya Mi
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
The Maoping superlarge germanium-rich lead–zinc deposit is a typical nonmagmatic hydrothermal deposit that is structurally controlled in the Sichuan–Yunnan–Guizhou lead–zinc polymetallic metallogenic area. The orebodies are distributed in sev
Externí odkaz:
https://doaj.org/article/51a697e03bbf4fc28186e4f5f4e91913
Publikováno v:
Meikuang Anquan, Vol 55, Iss 3, Pp 1-8 (2024)
Coal damage is a significant factor which affects coal permeability changes and gas flow. Damage-based seepage testing system with multi-shear end faces and nuclear magnetic resonance instrument were adopted to analyze porosity and permeability chara
Externí odkaz:
https://doaj.org/article/eaa7da5b8e6c4593ba9ce746c97691b1
Autor:
QIU Kang
Publikováno v:
Shanghai Jiaotong Daxue xuebao, Vol 57, Iss S1, Pp 30-36 (2023)
When selecting the drawdown pressure during drill stem test (DST), it is generally necessary to consider various factors such as downhole safety, pipe string safety, construction efficiency, etc. For low porosity and permeability matrix sandstone for
Externí odkaz:
https://doaj.org/article/d2b47eda2b8d41b186ceb50cf6197ce9
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 8, Pp 169-177 (2023)
Accurately quantifying the real-time variation of reservoir pressure is the key factor to predict the variation characteristics of reservoir porosity and permeability and control the gas recovery effect. In order to further explore the characteristic
Externí odkaz:
https://doaj.org/article/44e7cca8b39a4bb9b4b294cf5080324c
Publikováno v:
Applied Sciences, Vol 14, Iss 10, p 3956 (2024)
The prediction and distribution of reservoir porosity and permeability are of paramount importance for the exploration and development of regional oil and gas resources. In order to optimize the prediction methods of porosity and permeability and bet
Externí odkaz:
https://doaj.org/article/7c1f07626d5c4efaa7303b41893ec63a
Publikováno v:
Frontiers in Earth Science, Vol 11 (2023)
Drilling and completion processes can often result in reservoir contamination around the wellbore, leading to decreased oil and gas productivity and significant economic losses for the oil field. This issue is particularly complex in sandstone reserv
Externí odkaz:
https://doaj.org/article/65c54e4f053340f594080ebfe522a519
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