IMECH-IR  > 流固耦合系统力学重点实验室
Experimental and numerical simulation of water adsorption and diffusion in shale gas reservoir rocks
Shen WJ(沈伟军); Li XZ; Cihan Abdullah; Lu XB(鲁晓兵)); Liu XH
Source PublicationAdvances in Geo-Energy Research
2019-03
Volume3Issue:2Pages:165-174
Abstract

Advances in deep horizontal drilling and hydraulic fracturing have lead to large increases in production from unconventional shale gas reservoirs. Despite the success of this technology, uncertainties associated with basic transport processes require understanding in order to improve efficiency and minimize environmental impacts. The hydraulic fracturing process introduces large volumes of water into shale gas reservoirs. Most of the fracturing water remains in reservoirs to interfere with gas production. The quantification of the amount of water retained in shale gas reservoirs is crucial for predicting gas shale formation productivity and for optimizing extraction conditions. In this study, water vapor adsorption isotherms were gravimetrically measured on granular fractions of Woodford formation shales sieved after crushing. The isotherms were obtained at 30℃ and 50℃, for relative humidities from 11.1% to 97.0%. Water adsorption in these shale grains conformed to the typeⅡisotherm, and were nearly identical for the two experimental temperatures. In order to better understand the isotherms, a computational model based on the Maxwell-Stefan Diffusion equations (MSDM) was constructed to analyze the water adsorption and gas diffusion in shale grains. Based on the experimental results, the Guggenheim-Anderson-de Boer (GAB) isotherm model for gas adsorption was included in the model.

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Language英语
Classification其他
Ranking1
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/78685
Collection流固耦合系统力学重点实验室
Corresponding AuthorShen WJ(沈伟军)
Affiliation1.IInstitute of Mechanics, Chinese Academy of Sciences, Beijing 100190, P. R. China
2.PetroChina Research Institute of PetroleumExploration and Development, Beijing 100083, P. R. China
3.Energy Geosciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
Recommended Citation
GB/T 7714
Shen WJ,Li XZ,Cihan Abdullah,et al. Experimental and numerical simulation of water adsorption and diffusion in shale gas reservoir rocks[J]. Advances in Geo-Energy Research,2019,3(2):165-174.
APA Shen WJ,Li XZ,Cihan Abdullah,Lu XB,&Liu XH.(2019).Experimental and numerical simulation of water adsorption and diffusion in shale gas reservoir rocks.Advances in Geo-Energy Research,3(2),165-174.
MLA Shen WJ,et al."Experimental and numerical simulation of water adsorption and diffusion in shale gas reservoir rocks".Advances in Geo-Energy Research 3.2(2019):165-174.
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