Interpretation: SEG 6 (4):SN1-SN10 (2018)

Meng Li
Peking University
The shale gas reservoir is a complex subject with a multiscale nanopore and fracture system, and the gas flow mechanism indicates an evident difference from the conventional gas reservoir. We have introduced fractal theory to characterize the multiscale distribution of pores and fractures, and we have developed a single-phase radial flow model considering nonequilibrium adsorption to describe the flow characteristics in the shale gas reservoir. The numerical solution of the flow model in Euclidean space is obtained by inversing the analytical solution derived in Laplace space through the Stehfest numerical inversion method, and the log-log curve of the dimensionless bottom-hole pressure and its derivative versus dimensionless time are analyzed. The log-log curve of the dimensionless BHP has two distinct straight-line segments: The unit slope line reflects early well-storage effect, and the straight line with slope [Formula: see text] reflects reservoir fractal characteristics. The slope of the straight line will become smaller with the increasing fractal dimension. The adsorption coefficient mainly affects the middle and late period of the log-log curves, and more shale gas will desorb from the matrix with the increasing adsorption coefficient. The wellbore storage coefficient has a significant negative correlation with dimensionless BHP especially at the early and transitional stages. The skin factor mainly affects the transition section; a smaller skin factor generally leads to the earlier appearance of the transition section. In addition, a smaller interporosity flow coefficient also results in an earlier transition stage appearance. The lower storativity ratio means a higher dimensionless BHP and an earlier appearance of the transition stage.
Keywords No keywords specified (fix it)
Categories No categories specified
(categorize this paper)
DOI 10.1190/int-2018-0002.1
Edit this record
Mark as duplicate
Export citation
Find it on Scholar
Request removal from index
Revision history

Download options

PhilArchive copy

Upload a copy of this paper     Check publisher's policy     Papers currently archived: 62,268
External links

Setup an account with your affiliations in order to access resources via your University's proxy server
Configure custom proxy (use this if your affiliation does not provide a proxy)
Through your library

References found in this work BETA

No references found.

Add more references

Citations of this work BETA

Add more citations

Similar books and articles

An Introduction to Fractal Dynamics.Pravir Malik - 2004 - Journal of Human Values 10 (2):99-109.
Fractal Art as Genuine Art.Viorel Guliciuc - 2008 - Proceedings of the Xxii World Congress of Philosophy 1:93-102.
Neurophysics of the Flow of Time.Ronald Gruber - 2008 - Journal of Mind and Behavior 29 (3):241-255.
The Mind as Double-Fractal.John-Michael Kuczynski - 2017 - Madison, WI, USA: Freud Institute.
Fractal Geometry is Not the Geometry of Nature.Orly R. Shenker - 1994 - Studies in History and Philosophy of Science Part A 25 (6):967-981.


Added to PP index

Total views
14 ( #705,195 of 2,444,966 )

Recent downloads (6 months)
1 ( #457,173 of 2,444,966 )

How can I increase my downloads?


My notes