Search Results - "Du, Jiapei"

Prediction of swelling pressure of expansive soil using an improved molecular dynamics approach combining diffuse double layer theory by Du, Jiapei, Zhou, Annan, Lin, Xiaoshan, Bu, Yuhuan, Kodikara, Jayantha

“…Swelling pressure of expansive soil is a fundamental parameter in the prediction of expansive soil behavior and also an essential quality indicator for…”
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A novel fluid for use in oil and gas well construction to prevent the oil and gas leak from the wellbore by Du, Jiapei, Bu, Yuhuan, Shen, Zhonghou, Cao, Xuechao

“…[Display omitted] •A novel and efficient fluid is proposed to prevent oil and gas leak from wellbore.•Mechanical properties and thickening time can satisfy the…”
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Utilization of alkali-activated slag based composite in deepwater oil well cementing by Jiapei, Du, Yuhuan, Bu, Xuechao, Cao, Zhonghou, Shen, Baojiang, Sun

“…•SCA enhances early term compressive strength of AAS based composites.•The dosage of resin affects the reaction degree.•SCA can generate a thin membrane on the…”
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Editorial: Advances in wellbore servicing fluids and materials by Liu, Huajie, Pang, Xueyu, Santra, Ashok, Du, Jiapei

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A novel hydrophobically associating water-soluble polymer used as constant rheology agent for cement slurry by Bu, Yuhuan, Xu, Mengran, Liu, Huajie, Zhou, Annan, Du, Jiapei, Yang, Xin, Guo, Shenglai

“…During the process of well cementing in deep water, the cement slurry experiences a wide range of temperature variation from low temperature at seabed to high…”
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Effects of microstructure on compressive strength of silica sand-enhanced oil well cement at a wide temperature range by Chen, Zhonggao, Du, Jiapei, Zhou, Annan, Wang, Chunyu, Bu, Yuhuan, Liu, Huajie

“…The influence of microstructure of silica-enhanced cement on the mechanical performance of cement is difficult to describe. In this study, we used the scanning…”
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Utilization of metakaolin-based geopolymer as a mud-cake solidification agent to enhance the bonding strength of oil well cement-formation interface by Bu, Yuhuan, Ma, Rui, Du, Jiapei, Guo, Shenglai, Liu, Huajie, Zhao, Letian

“…This research work designed a novel mud-cake solidification method to improve the zonal isolation of oil and gas wells. The calculation methodology of mud-cake…”
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Interfacial properties and nanostructural characteristics of epoxy resin in cement matrix by Du, Jiapei, Bu, Yuhuan, Shen, Zhonghou

“…[Display omitted] •Experimental analyses and molecular simulations were used in this study.•Ca2+ ions make an electrostatic bond with hydroxyl function of…”
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Revealing Expansion Mechanism of Cement-Stabilized Expansive Soil with Different Interlayer Cations through Molecular Dynamics Simulations by Du, Jiapei, Zhou, Annan, Lin, Xiaoshan, Bu, Yuhuan, Kodikara, Jayantha

“…Expansion of clay minerals in expansive soil, such as montmorillonite (MMT), is critical to a broad class of problems in science and engineering. Cement is one…”
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Adsorption mechanism of Pb2+ in montmorillonite nanopore under various temperatures and concentrations by Du, Jiapei, Zhou, Annan, Lin, Xiaoshan, Bu, Yuhuan

“…Adsorption of lead (Pb2+) onto the montmorillonite (Mt) surface is one of the key approaches to remove Pb2+ in geological and environmental engineering…”
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Properties of oil well cement with high dosage of metakaolin by Bu, Yuhuan, Du, Jiapei, Guo, Shenglai, Liu, Huajie, Huang, Chenxing

“…•At 75°C, the early-term strength of cement decreased with the increasing MK content.•At 75°C, the set cement with more MK showed higher long-term…”
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Revealing crucial effects of temperature and salinization on swelling behavior of montmorillonite by Du, Jiapei, Zhou, Annan, Shen, Shui-Long, Lin, Xiaoshan, Bu, Yuhuan, Kodikara, Jayantha

“…[Display omitted] •Effect of temperature and salinization on swelling behavior of Mt is revealed.•Hydration energy and hydration state jointly control the…”
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Effects of epoxy resin on the mechanical performance and thickening properties of geopolymer cured at low temperature by Du, Jiapei, Bu, Yuhuan, Shen, Zhonghou, Hou, Xianhai, Huang, Chengxing

“…The research objectives were to investigate the influence of waterborne bisphenol-A epoxy resin on mechanical performance and thickening properties of…”
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Dependence of clay–water contact angle on surface charge and ambient temperature: A study from molecular dynamics perspective by Zhong, Yu, Zhou, Annan, Du, Jiapei, Zhan, Shiyuan

“…[Display omitted] •Investigate surface charge and temperature effects on contact angle by MD method.•Determine the liquid phase boundary by extracting density…”
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Heat flow inhibitor suitable for oil well cement at low temperature by Wang, Chunyu, Xiang, Wenrui, Du, Jiapei, Yao, Xiao

“…A cement paste with low hydration heat flow is in high demand in hydrate layers cementing at low temperature to inhibit the hydrate decomposition. This paper…”
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The effect of rutin on the early-age hydration of oil well cement at varying temperatures by Wang, Chunyu, Wang, Liuyu, Yao, Xiao, Du, Jiapei, Zhai, Wenzhou, Guo, Shenglai, Zhou, Annan

“…This paper studied the effect of rutin on the early-age hydration of oil well cement when the rutin concentration was in the range of 0–0.075% and the…”
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Molecular simulation on CO2 adsorption heterogeneity in montmorillonite nanopores with different surface charges in presence of water by Du, Jiapei, Zhou, Annan, Zhong, Yu, Shen, Shui-Long

“…[Display omitted] •Isomorphous substitution leads to a non-uniform distribution of CO2 adsorption sites within clay nanopore.•Density entropy is used as an…”
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Effect of colloidal nanosilica on early-age compressive strength of oil well cement stone at low temperature by Bu, Yuhuan, Hou, Xianhai, Wang, Chunyu, Du, Jiapei

“…•Early-age microstructural properties of oil well cement paste containing nanosilica at 4 °C.•Colloidal nanosilica enhances the early-age strength of hardened…”
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The promoting effect of quercetin on oil well cement setting by Wang, Chunyu, Wang, Liuyu, Yao, Xiao, Du, Jiapei, Zhou, Annan

“…Quercetin shows a strong promotion on the setting of oil well cement paste, and is expected to be used to promote the setting of cement plug to block lost…”
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Influence of Hydration Film on the Frictional Behavior of Montmorillonite: Insights into Microscopic Mechanics of Layered Minerals by Du, Jiapei, Zhou, Annan, Shen, Shui-Long, Lin, Xiaoshan, Kodikara, Jayantha

“…Hydration lubrication plays a significant role in reducing sliding friction in various moving systems, from geological faults to molecular materials systems,…”
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