Show/Hide Menu
Hide/Show Apps
Logout
Türkçe
Türkçe
Search
Search
Login
Login
OpenMETU
OpenMETU
About
About
Open Science Policy
Open Science Policy
Open Access Guideline
Open Access Guideline
Postgraduate Thesis Guideline
Postgraduate Thesis Guideline
Communities & Collections
Communities & Collections
Help
Help
Frequently Asked Questions
Frequently Asked Questions
Guides
Guides
Thesis submission
Thesis submission
MS without thesis term project submission
MS without thesis term project submission
Publication submission with DOI
Publication submission with DOI
Publication submission
Publication submission
Supporting Information
Supporting Information
General Information
General Information
Copyright, Embargo and License
Copyright, Embargo and License
Contact us
Contact us
Estimation of fracture relative permeabilities from unsteady state corefloods
Date
2001-06-01
Author
Akın, Serhat
Metadata
Show full item record
This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
.
Item Usage Stats
201
views
0
downloads
Cite This
A methodology to test the possible deviations of fracture relative permeabilities from straight-line relationship with saturation is discussed. It is shown that with matrix relative permeability data known, it is possible to obtain fracture relative permeabilities by history matching experimental data with double porosity numerical models output. Rather than linear saturation dependence, fracture relative permeability is a power law function of the corresponding phase saturation. The impact of several important parameters like double porosity formulation, capillary pressure and shape factor is discussed. It has been found that double porosity formulations (other than the double permeability model) could represent the flow in a fractured medium. (C) 2001 Published by Elsevier Science B.V.
Subject Keywords
Fracture
,
Relative permeability
,
Capillary pressure
,
Numerical simulation
URI
https://hdl.handle.net/11511/35794
Journal
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
DOI
https://doi.org/10.1016/s0920-4105(01)00097-3
Collections
Department of Petroleum and Natural Gas Engineering, Article
Suggestions
OpenMETU
Core
Effect of temperature on heavy oil/water relative permeabilities
Akın, Serhat; Brigham, William E. (1999-01-01)
In the first part of this study, the accuracy of the JBN technique for the determination of heavy oil/water relative permeabilities, and the effect of temperature on relative permeabilities is examined by giving numerical as well as experimental examples. Using the JBN technique leads to a false temperature dependence of relative permeability curves. In the second part, we present unsteady state relative permeability experiments with initial brine saturation at differing temperatures conducted using South B...
ESTIMATION OF TISSUE RESISTIVITIES FROM MULTIPLE-ELECTRODE IMPEDANCE MEASUREMENTS
Eyüboğlu, Behçet Murat; WOLF, PD (IOP Publishing, 1994-01-01)
In order to measure in vivo resistivity of tissues in the thorax, the possibility of combining anatomical data extracted from high-resolution images with multiple-electrode impedance measurements, a priori knowledge of the range of tissue resistivities, and a priori data on the instrumentation noise is assessed in this study. A statistically constrained minimum-mean-square error estimator (MIMSEE) that minimizes the effects of linearization errors and instrumentation noise is developed and compared to the c...
Investigation of fracture behavior of steel/steel laminates
Şimşir, Mehmet; Öztürk, Tayfur; Department of Metallurgical and Materials Engineering (2004)
A study is carried out into fracture behavior of steel/steel laminates both experimentally and through finite element analysis (FEM). The laminates produced by hot pressing consisted of low carbon and medium carbon steels with two volume fractions; 0.41 and 0.81. Fracture toughness, JIC has been measured using partial unloading technique assuming a critical value of crack extension. The technique is initially applied to monolithic material and then to the laminates in crack divider orientation. Evaluation o...
Modeling of asymmetric intermodulation distortion and memory effects of power amplifiers
Yüzer, Ahmet Hayrettin; Demir, Şimşek; Department of Electrical and Electronics Engineering (2011)
This dissertation is focused on developing a new passband behavioral model in order to account for asymmetric intermodulation distortion resulted from memory effect. First, a measurement setup is prepared to measure the AM/AM, AM/PM distortion, magnitudes and the phases of intermodulation (IMD) and fundamental (FUND) components which are created by the amplifier where phase is calculated only by measuring magnitudes. Then, responses of a sample amplifier are measured for different excitation situations (cen...
Optimization of a regeneration and transformation system for lentil (lens culinaris M., cv. Sultan-I) cotyledonary petioles and epicotyls
Bayraç, Abdullah Tahir; Öktem, Hüseyin Avni; Department of Biotechnology (2004)
In this study, optimization of a transformation and regeneration system via indirect organogenesis in cotyledonary petiole tissue of lentil (Lens culinaris Medik.) was investigated. Eight different medium types differing in their plant growth regulator compositions were employed to examine the callus induction potency of cotyledonary petiole. Except two, all other tested medium yielded more than 80% callus induction. Nine different medium types were studied to test the potencies of callus structures for sho...
Citation Formats
IEEE
ACM
APA
CHICAGO
MLA
BibTeX
S. Akın, “Estimation of fracture relative permeabilities from unsteady state corefloods,”
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
, pp. 1–14, 2001, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/35794.