A critical review of the physicochemical impacts of water chemistry on shale in hydraulic fracturing systems

HJ Khan, E Spielman-Sun, AD Jew… - … science & technology, 2021 - ACS Publications
Hydraulic fracturing of unconventional hydrocarbon resources involves the sequential
injection of a high-pressure, particle-laden fluid with varying pH's to make commercial …

The dilemma of soaking a hydraulically fractured horizontal shale well prior to flowback–A decade literature review

R Shaibu, B Guo - Journal of Natural Gas Science and Engineering, 2021 - Elsevier
Water soaking a horizontal shale well is a practice whereby operators in shale gas and oil
production shut-in a well after a multistage hydraulic fracture treatment. By this practice, it is …

Advances and Prospects of Supercritical CO2 for Shale Gas Extraction and Geological Sequestration in Gas Shale Reservoirs

W Shen, T Ma, L Zuo, X Yang, J Cai - Energy & Fuels, 2024 - ACS Publications
The advancements in hydraulic fracturing and horizontal drilling techniques have
substantially facilitated the large-scale extraction of natural gas from shale gas reservoirs …

A multiscale study on shale wettability: Spontaneous imbibition versus contact angle

MAQ Siddiqui, X Chen, S Iglauer… - Water Resources …, 2019 - Wiley Online Library
Environmental and technical issues associated with hydraulic fracturing fluid leak‐off and its
low recovery in clay‐rich shale reservoirs has challenged the energy sector. One of the main …

Hydraulic diffusivity estimations for US shale gas reservoirs with Gaussian method: Implications for pore-scale diffusion processes in underground repositories

R Weijermars, C Afagwu - Journal of Natural Gas Science and Engineering, 2022 - Elsevier
This paper first presents so-called unified Gaussian solutions for the spatial advance of
diffusion transients triggered by a sudden change in pressure, molecular mass …

Experimental and numerical simulation of water adsorption and diffusion in shale gas reservoir rocks

W Shen, X Li, A Cihan, X Lu, X Liu - Advances in Geo-Energy …, 2019 - yandy-ager.com
Despite the success of deep horizontal drilling and hydraulic fracturing in yielding large
production increases from unconventional shale gas reservoirs, uncertainties associated …

Water sorption and transport in shales: an experimental and simulation study

F Yang, B Lyu, S Xu - Water Resources Research, 2021 - Wiley Online Library
Understanding water uptake and drainage in shales has important implications for both
hydrocarbon extraction and hydraulic fracturing fluid disposal. This study reports gravimetric …

Experimental investigation on water adsorption and desorption isotherms of the Longmaxi shale in the Sichuan Basin, China

X Ma, W Shen, X Li, Y Hu, X Liu, X Lu - Scientific Reports, 2020 - nature.com
The understanding of water adsorption and desorption behavior in the shale rocks is of great
significance in the reserve estimation, wellbore stability and hydrocarbon extraction in the …

Production rate of multi-fractured wells modeled with Gaussian pressure transients

R Weijermars - Journal of Petroleum Science and Engineering, 2022 - Elsevier
This study presents new pressure transient solutions, illustrated with some examples of the
vast practical application potential. Gaussian pressure transients (GPT) are derived here to …

Insights into mechanism and modelling of dynamic moisture sorption in dual-porous insulation materials with micro-and nano-scale pores

J Sun, P Jiang, R Xu - Journal of Colloid and Interface Science, 2024 - Elsevier
Hypothesis Understanding moisture sorption in porous insulation materials is challenging
due to the influence of multiscale pore structures on phase behavior and transport …