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Numerical investigation of a coupled moving boundary model of radial flow in low-permeable stress-sensitive reservoir with threshold pressure gradient
Liu WC(刘文超); Liu YW(刘曰武); Niu CC(牛丛丛); Han GF(韩国锋); Wan YZ(万义钊); Liu, YW (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China.
Source PublicationCHINESE PHYSICS B
2016-02
Volume25Issue:2Pages:24701
ISSN1674-1056
AbstractThe threshold pressure gradient and formation stress-sensitive effect as the two prominent physical phenomena in the development of a low-permeable reservoir are both considered here for building a new coupled moving boundary model of radial flow in porous medium. Moreover, the wellbore storage and skin effect are both incorporated into the inner boundary conditions in the model. It is known that the new coupled moving boundary model has strong nonlinearity. A coordinate transformation based fully implicit finite difference method is adopted to obtain its numerical solutions. The involved coordinate transformation can equivalently transform the dynamic flow region for the moving boundary model into a fixed region as a unit circle, which is very convenient for the model computation by the finite difference method on fixed spatial grids. By comparing the numerical solution obtained from other different numerical method in the existing literature, its validity can be verified. Eventually, the effects of permeability modulus, threshold pressure gradient, wellbore storage coefficient, and skin factor on the transient wellbore pressure, the derivative, and the formation pressure distribution are analyzed respectively.
KeywordThreshold Pressure Gradient Stress-sensitive Effect Wellbore Storage Skin Effect
DOI10.1088/1674-1056/25/2/024701
URL查看原文
Indexed BySCI ; EI ; CSCD
Language英语
WOS IDWOS:000370179100039
WOS KeywordSHEAR BANDS ; INELASTIC DEFORMATION ; SURFACE-TREATMENT ; AMORPHOUS-ALLOYS ; ROOM-TEMPERATURE ; DUCTILITY ; LASER ; COMPOSITES ; BEHAVIOR ; FRACTURE
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
Funding OrganizationProject supported by the National Natural Science Foundation of China (Grant No. 51404232), the China Postdoctoral Science Foundation (Grant No. 2014M561074), and the National Science and Technology Major Project, China (Grant No. 2011ZX05038003).
CSCD IDCSCD:5628724
DepartmentLMFS水环境流体力学(LEM)
Classification二类/Q2
RankingTrue
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58667
Collection流固耦合系统力学重点实验室
Corresponding AuthorLiu, YW (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Liu WC,Liu YW,Niu CC,et al. Numerical investigation of a coupled moving boundary model of radial flow in low-permeable stress-sensitive reservoir with threshold pressure gradient[J]. CHINESE PHYSICS B,2016,25(2):24701.
APA Liu WC,Liu YW,Niu CC,Han GF,Wan YZ,&Liu, YW .(2016).Numerical investigation of a coupled moving boundary model of radial flow in low-permeable stress-sensitive reservoir with threshold pressure gradient.CHINESE PHYSICS B,25(2),24701.
MLA Liu WC,et al."Numerical investigation of a coupled moving boundary model of radial flow in low-permeable stress-sensitive reservoir with threshold pressure gradient".CHINESE PHYSICS B 25.2(2016):24701.
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