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Numerical prediction of the decline of the shale gas production rate with considering the geomechanical effects based on the two-part Hooke's model
پدید آورنده
Zheng, J; Ju, Y; Liu, HH; Zheng, L; Wang, M
موضوع
رده
کتابخانه
Center and Library of Islamic Studies in European Languages
محل استقرار
استان:
Qom
ـ شهر:
Qom
تماس با کتابخانه :
32910706
-
025
NATIONAL BIBLIOGRAPHY NUMBER
Number
LA6tk4j76q
TITLE AND STATEMENT OF RESPONSIBILITY
Title Proper
Numerical prediction of the decline of the shale gas production rate with considering the geomechanical effects based on the two-part Hooke's model
General Material Designation
[Article]
First Statement of Responsibility
Zheng, J; Ju, Y; Liu, HH; Zheng, L; Wang, M
SUMMARY OR ABSTRACT
Text of Note
© 2016 Elsevier Ltd The production rate of a typical shale gas well generally has steep decline trend at the initial stage but small declines at later times. Some empirical relationships have been proposed to describe the declining production rates and thus forecast the final cumulative production of a shale gas well. However, these empirical relationships can hardly elucidate the mechanisms that cause the special shale gas production trend. In this study, a novel two-part Hooke's model (TPHM) for the permeability and effective stress relationship is developed and incorporated into the hydro-mechanical COMSOL solver to determine the production rate of shale gas wells against time. The TPHM conceptualizes shale rock into soft part and hard part, which comply with the natural-strain-based and engineering-strain-based Hooke's laws, respectively, and contribute differently to the decreasing permeability with increasing effective stresses. The simulation results are analyzed and compared with those for which the permeability change effect is not considered. The analysis indicates that the decrease in stress-induced permeability plays a non-negligible part in the decline of the production rate.
SET
Date of Publication
2016
Title
Lawrence Berkeley National Laboratory
ELECTRONIC LOCATION AND ACCESS
Electronic name
مطالعه متن کتاب
[Article]
275578
a
Y
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