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Keywords: carbonate reservoir
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Journal Articles
Petrophysics 64 (01): 18–37.
Paper Number: SPWLA-2023-v64n1a2
Published: 01 February 2023
...Moustafa R. Dernaika; Shehadeh Masalmeh; Bashar Mansour; Osama Al Jallad; Safouh Koronfol In carbonate reservoirs, permeability prediction is often difficult due to the influence of various geological variables that control fluid flow. Many attempts have been made to estimate permeability from...
Journal Articles
Petrophysics 64 (01): 92–106.
Paper Number: SPWLA-2023-v64n1a7
Published: 01 February 2023
...Xiongyan Li Due to the complexity of lithologies and pore types, the permeability calculation of complex carbonate reservoirs has always been a difficult problem. To accurately calculate the permeability of complex carbonate reservoirs, a data mining technique is introduced. The technical process...
Journal Articles
Petrophysics 63 (06): 634–649.
Paper Number: SPWLA-2022-v63n6a4
Published: 12 December 2022
.... 20 7 2022 9 9 2022 26 9 2022 12 12 2022 12 12 2022 Copyright 2022, Society of Petrophysicists & Well Log Analysts upstream oil & gas machine learning carbonate reservoir artificial intelligence fracture hungary mature high-pour point oil field...
Journal Articles
Petrophysics 62 (02): 175–194.
Paper Number: SPWLA-2021-v62n2a3
Published: 01 April 2021
...Ingrid P. Gianotten; Niels Rameil; Sven E. Foyn; Terje Kollien; Julio R. Marre; Wim Looyestijn; Xiangmin Zhang; Albert Hebing The main Petrophysical challenges in carbonate reservoirs are often to define meaningful rock types, then to establish robust permeability and saturation models...
Journal Articles
Petrophysics 60 (03): 429–437.
Paper Number: SPWLA-2019-v60n3a6
Published: 01 June 2019
... reservoirs with vugs and fractures?" The purpose of this paper is to answer the above questions. We first explain why the values of m from core plugs and whole core are not suitable for evaluation of carbonate reservoirs by using the scale model of core plugs, whole core and logs. We then propose a new...
Journal Articles
Petrophysics 60 (01): 17–36.
Paper Number: SPWLA-2019-v60n1a1
Published: 01 February 2019
... cutoff s, which usually vary by rock type. The study performed in the different carbonate reservoirs yielded permeability cutoff s varying between 0.01and 1 mD. Practical examples from Tengiz, Karachaganak, PZ, West Africa and Permian basin validate the consistency between methods and the validity...
Journal Articles
Petrophysics 59 (06): 761–777.
Paper Number: SPWLA-2018-v59n6a2
Published: 01 December 2018
... is trained was obtained from different wells in a giant carbonate reservoir that covers a wide range of values. To translate the FN model into a simple mathematical form, neural functions and empirical coefficients were extracted from the trained FN model. This allowed us to develop FN-based equivalent...
Journal Articles
Petrophysics 58 (03): 289–301.
Paper Number: SPWLA-2017-v58n3a6
Published: 01 June 2017
...Pham Huy Giao; Nguyen Hoai Chung ABSTRACT Characterization of a carbonate reservoir is often difficult due to the complexity of its pore system. This study presents an integrated approach using well-log and microgeological data to characterize rock fabrics and their pore system for a carbonate...
Journal Articles
Petrophysics 57 (06): 620–637.
Paper Number: SPWLA-2016-v57n6a5
Published: 01 December 2016
...Candida Menezes de Jesus; Andre Luiz Martins Compan; Rodrigo Surmas Permeability estimations based on core-to-log relationships in dual-porosity carbonate reservoirs usually fail to reach the permeability measured on drillstem tests (DST). The reasons behind this inaccuracy are mainly related...
Journal Articles
Petrophysics 55 (01): 24–30.
Paper Number: SPWLA-2014-v55n1a2
Published: 01 February 2014
... reservoir carbonate reservoir Engineering Abu Dhabi ADCO capillary pressure permeability 2014. Society of Petrophysicists & Well Log Analysts 1 2 2014 1 2 2014 24 PETROPHYSICS February 2014 ABSTRACT PETROPHYSICS, VOL. 55, NO. 1 (FEBRUARY 2014); PAGE 24 30; 13 FIGURES Moustafa...
Journal Articles
Petrophysics 54 (05): 465–474.
Paper Number: SPWLA-2013-v54n5-A5
Published: 01 October 2013
...Peter Fitch; Sarah Davies; Mike Lovell; Tim Pritchard Carbonate reservoirs are often challenging due to intrinsic heterogeneities that may occur at all scales of observation and measurement. These heterogeneities can be attributed to a number of factors including, but not limited to, variable...
Journal Articles
Petrophysics 52 (05): 357–368.
Paper Number: SPWLA-2011-v52n5a3
Published: 01 October 2011
... petrophysical model utilizing neutron induced gamma ray spectroscopy (NIGS) data and conventional open hole logs has been developed. The NIGS data provide direct inputs to solve the mineralogy of the complex carbonate reservoir, hence reducing the uncertainty of the porosity and water saturation computations...
Journal Articles
Petrophysics 52 (01): 50–57.
Paper Number: SPWLA-2011-v52n1a3
Published: 01 February 2011
... porosity Ivakhnenko hysteresis curve high field slope University flow in porous media Fluid Dynamics field magnetic susceptibility sensitive carbonate reservoir rock characterization magnetic susceptibility Reservoir Characterization carbonate reservoir correlation Potter mineral small...
Journal Articles
Petrophysics 51 (06).
Paper Number: SPWLA-2010-v51n6a1
Published: 01 December 2010
.... INTRODUCTION The structure and dynamics of carbonate reservoirs are of crucial importance to the oil and gas industry as carbonate reservoirs are believed to contain more than half the world's oil. Predicting petrophysical and multiphase flow properties in carbonates is challenging due to the nature...
Journal Articles
Petrophysics 51 (01).
Paper Number: SPWLA-2010-v51n1a1
Published: 01 February 2010
... are presented from major Middle East carbonate reservoirs. We also present a software implementation that leverages the methodology through an intuitive and user-friendly workflow. The method has been applied on several wells in the Middle East in near real time thereby permitting decisions on subsequent data...
Journal Articles
Petrophysics 50 (01).
Paper Number: SPWLA-2009-v50n1a4
Published: 01 February 2009
...M.R. Ghafoori; M. Roostaeian; V.A. Sajjadian ABSTRACT Secondary porosity is one of the characteristic features of carbonate reservoirs. Depending on the depositional environment and diagenetic processes, several types of secondary porosity including vugs, moulds, channels and fractures may develop...
Journal Articles
Petrophysics 45 (05).
Paper Number: SPWLA-2004-v45n5a1
Published: 01 September 2004
... efficiency of immiscible displacement in a heterogeneous porous medium at different wetting conditions. Capillary pressure curves have been measured using core materials from a heterogeneous Cretaceous carbonate reservoir in the Middle East. The core plugs were selected from different rock classes to cover...
Journal Articles
Petrophysics 45 (01).
Paper Number: SPWLA-2004-v45n1a2
Published: 01 January 2004
... the dynamic properties of the reservoir. This paper investigates the integration of electrical borehole images (EBI) with other conventional logs for reservoir facies and permeability modeling in carbonate reservoirs. Due to its high resolution, electrical borehole imaging can provide important information...
Journal Articles
Petrophysics 43 (05).
Paper Number: SPWLA-2002-v43n5a2
Published: 01 September 2002
... reservoir lisitza porous media throat size pore size evolution carbonate rock dissolution Imaging connectivity pore geometry University log analysis carbonate reservoir porosity ddif spectra spectrum geological evolution PETROPHYSICS, VOL. 43, NO. 5 (SEPTEMBER-OCTOCKJ~OOZ); P. 420-424; 4...
Journal Articles
Petrophysics 34 (03).
Paper Number: SPWLA-1993-v34n3a2
Published: 01 May 1993
...George B. Asquith; Lance Drager; Souvick Saha Calculating water saturation in a reservoir using the Archie relationship requires the values of cementation exponent m and saturation exponent n. Determining these two parameters is often difficult, particularly in carbonate reservoirs. A new method...

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