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Petrophysics 60 (04): 514–524.
Paper Number: SPWLA-2019-v60n4a5
Published: 01 August 2019
... of fluid saturation during fractional flow. In contrast, the static protocol results in heterogeneous flow paths, confirming that this protocol did not uniformly alter the wettability of the sample and generates a patchier mixed-wettability system. 1 8 2019 1 8 2019 2019. Society...
Petrophysics 60 (03): 384–396.
Paper Number: SPWLA-2019-v60n3a2
Published: 01 June 2019
... further potential of Bayesian inversion on-site X-ray computerized tomography (CT) in producing quantifiable digital representations of core samples. To that end, workflows using 3D tomographic images depict (1) rock heterogeneity, (2) lithological changes, (3) bedding planes, (4) fractures and nodules...
Moustafa Dernaika, Maisoon Al Mansoori, Maniesh Singh, Taha Al Dayyani, Zubair Kalam, Ritesh Bhakta, Safouh Koronfol, Yasir Naseer Uddin
Petrophysics 59 (03): 373–396.
Paper Number: SPWLA-2018-v59n3a6
Published: 01 June 2018
...Moustafa Dernaika; Maisoon Al Mansoori; Maniesh Singh; Taha Al Dayyani; Zubair Kalam; Ritesh Bhakta; Safouh Koronfol; Yasir Naseer Uddin Most carbonate reservoirs are characterized by multiple-porosity systems that impart petrophysical heterogeneity to the gross reservoir interval...
Petrophysics 57 (06): 604–619.
Paper Number: SPWLA-2016-v57n6a4
Published: 01 December 2016
... validating T 1 / T 2 ratio as a technique for fluid typing and saturation in organic shale. The NMR pore-size distribution and heterogeneous surface relaxivity of heptane-saturated kerogen are determined by integration with BET surface-area data, and are validated with SEM images. Data for kerogen saturated...
Petrophysics 57 (01): 12–18.
Paper Number: SPWLA-2016-v57n1a1
Published: 01 February 2016
... of conditions and in comparison with N 2 -brine systems. Variations in capillary pressure curves are explained by corresponding changes in IFT. As with gas-brine systems, the low viscosity of CO 2 at certain conditions results in sensitivity to rock heterogeneity. We show that (1) heterogeneity is the likely...
Petrophysics 56 (06): 552–576.
Paper Number: SPWLA-2015-v56n6a1
Published: 01 December 2015
...Vivek D.V. Chitale; Gbenga Alabi; Pavel Gramin; Scott Lepley; Leo Piccoli Textural and compositional heterogeneities found in the presalt Aptian carbonates of Macabu Formation, also known as the Sag Unit in the Campos Basin, Brazil, pose unique challenges with respect to achieving a meaningful...
Petrophysics 56 (02): 125–139.
Paper Number: SPWLA-2015-v56n2a3
Published: 01 April 2015
... and distributing permeability in a facies model is important to account for the full heterogeneity of the formation. Direct measurements of reservoir permeability are usually obtained from core-plug samples; however, this data can be problematic because it may not represent the true permeability distribution...
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...
Petrophysics 51 (06).
Paper Number: SPWLA-2010-v51n6a2
Published: 01 December 2010
...J. Dautriat; N. Gland; O. Vizika; M. Bornert; A. Dimanov; J. Raphanel ABSTRACT: In a previous study (Dautriat et al., 2008), we have studied the macroscopic hydro-mechanical behavior of a moderately heterogeneous carbonate reservoir analogue, undergoing triaxial testing along several proportional...
Petrophysics 46 (06).
Paper Number: SPWLA-2005-v46n6a2
Published: 01 November 2005
...P. Olivier; L. Cantegrel-Gassiot; J. Laveissiere; N. Guillonneau ABSTRACT This paper focuses on an interpretation process that aims to improve the analysis of unsteady-state flow data when they are affected by small-scale heterogeneities. Permeability contrasts, caused by groups of vugs interbedded...
Petrophysics 46 (05).
Paper Number: SPWLA-2005-v46n5a2
Published: 01 September 2005
...P. Egermann; R. Lenormand ABSTRACT This paper presents an innovative methodology to integrate the localized heterogeneity characterized by localized saturation measurements during history matching for the determination of relative permeability (kr and also to evaluate the impact of localized...
Petrophysics 37 (04).
Paper Number: SPWLA-1996-v37n4a1
Published: 01 July 1996
... associated with the onset of irreducible saturation in a sample. Because of sample-scale saturation heterogeneity, this volume-averaged Swi is considered to be an upper limit for the true Swi for the sample. We have conducted a series of laboratory experiments in which we measured the drying rates...
Petrophysics 36 (05).
Paper Number: SPWLA-1995-v36n5a1
Published: 01 September 1995
... 9 1995 1 9 1995 1995. Society of Petrophysicists & Well Log Analysts Reservoir Characterization permeability heterogeneity Fluid Dynamics Upstream Oil & Gas Halvorsen heterogeneity Permeameter permeability contrast application Hurst flow in porous media probe...
Petrophysics 19 (02).
Paper Number: SPWLA-1978-vXIXn2a1
Published: 01 March 1978
... expansion drive to water drive by injection has used the pulsed neutron log to monitor the effectiveness of this change. 1 3 1978 1 3 1978 1978. Society of Petrophysicists & Well Log Analysts enhanced recovery heterogeneity Judy Creek log analysis Imperial Oil porosity...
Petrophysics 8 (01).
Paper Number: SPWLA-1967-vVIIIn1a1
Published: 01 January 1967
... of Petrophysicists & Well Log Analysts Wellbore Design heterogeneous basalt sandstone mechanical property homogeneous wellbore integrity resonant frequency basalt olivine Upstream Oil & Gas heterogeneity diameter Fract Reservoir Characterization Fitzgerald vibration calcite crystal...
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