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supported by the National Natural Science Foundation of China(12072347);the Excellent Training Plan of the Institute of Mechanics,Chinese Academy of Sciences;CNPC New Energy Key Project(2021DJ4902).
To study the development of imbibition such as the imbibition front and phase distribution in shale,the Lattice Boltzmann Method(LBM)is used to study the imbibition processes in the pore-throat network of shale.Throug...
supported by the National Natural Science Foundation of China(Grant Nos.42172159 and 42302143);the Postdoctora Fellowship Program of the China Postdoctoral Science Foundation(CPSF)(Grant No.GZB20230864).
Forced imbibition,the invasion of a wetting fluid into porous rocks,plays an important role in the effective exploitation of hydrocarbon resources and the geological sequestration of carbon dioxide.However,the interfa...
funded by the National key R&D Program of China(No.2023YFE0120700);the National Natural Science Foundation of China(No.51934005);the Shaanxi Province 2023 Innovation Capability Support Plan(No.2023KJXX-122);the Technology Innovation Leading Program of Shaanxi(No.2022 PT-08);the Project of Youth Innovation Team of Shaanxi Universities(No.22JP063).
The Linxing area within the Ordos Basin exhibits pronounced reservoir heterogeneity and intricate micro-pore structures,rendering it susceptible to water-blocking damage during imbibition extraction.This study delved ...
An optimization method of fracturing fluid volume strength was introduced taking well X-1 in Biyang Sag of Nanxiang Basin as an example.The characteristic curves of capillary pressure and relative permeability were ob...
The mathematical model of imbibition phenomenon through homogeneous as well as heterogeneous porous media is presented in this study.Various types of porous materials including Fragmented Mixture,Touchet silt loam,and...
Supported by the PetroChina Science and Technology Major Project(2021-117);PetroChina CCUS Major Science and Technology Project(2021ZZ01-03)。
A physical simulation method with a combination of dynamic displacement and imbibition was established by integrating nuclear magnetic resonance(NMR)and CT scanning.The microscopic production mechanism of tight/shale ...
The authors gratefully acknowledge the support of the National Natural Science Foundation of China(Grant Nos.52174036,51774243,51904257,51874251);the Sichuan Province Science and Technology Program(Grant Nos.2021YJ0345,2022JDJQ0009,2022NSFSC0186).
Shale gas is an important component of unconventional oil and gas resources.Studying the imbibition behavior is helpful to optimize flowback parameters and enhance gas recovery.Recent imbibition studies have focused o...
Supported by the Joint Fund Project of the National Natural Science Foundation of China(U22B2075).
A seepage-geomechanical coupled embedded fracture flow model has been established for multi-field coupled simulation in tight oil reservoirs,revealing the patterns of change in pressure field,seepage field,and stress ...
support from key scientific and technological project of Sinopec(No.P19025-1);the Natural Science Foundation of China(No.51674209);the Sichuan Province Youth Science and technology innovation team project(No.2021JDTD0017);the innovative research fund of postgraduates of Southwest Petroleum University(No.2020cxyb045)are greatly appreciated.
Through the stimulation method of large-scale hydraulic fracturing,the spontaneous imbibition capacity of the water phase in the shale reservoir has great influence on the effect of stimulation.Generally,the lacustrin...
Supported by China National Major Project of Science and Technology(2016ZX05046-004);PetroChina Major Project of Science and Technology(2017B-4905);PetroChina Jilin Oilfield Company Major Project of Science and Technology(JY21A2-12).
Based on imbibition replacement of shut-in well in tight oil reservoirs, this paper expounds the principle of saturation rebalancing during the shut-in process after fracturing, establishes an optimization method for ...