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Keywords: correlation
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Journal Articles
Journal: SPE Journal
SPE J. 26 (05): 2963–2976.
Paper Number: SPE-205513-PA
Published: 13 October 2021
.... In this study, we present a semianalytical model supported by an empirical turbulent energy-dissipation correlation. The proposed correlation is based on dimensional analysis. New experimental data of the statistical distributions of bubble diameters during the gas entrainment process are presented. We measured...
Journal Articles
Journal: SPE Journal
SPE J. 26 (05): 2977–2992.
Paper Number: SPE-205380-PA
Published: 13 October 2021
..., that of the 3-in. horizontal test section was considerably higher. An improved MTC predictive correlation is proposed for multiphase heavy-oil/water/sand flow. The proposed correlation outperforms the existing models when tested on the heavy-oil/water/sand data set. 6 7 2020 9 2 2021 21 1 2021...
Journal Articles
Journal: SPE Journal
SPE J. 26 (05): 3054–3074.
Paper Number: SPE-204223-PA
Published: 13 October 2021
... machine learning well performance production logging drillstem testing upstream oil & gas gas injection method gas lift separator gas-lift-injection rate oil production correlation reservoir simulation drillstem/well testing production unit optimization production control reservoir...
Journal Articles
Journal: SPE Journal
SPE J. (2021)
Paper Number: SPE-206733-PA
Published: 29 September 2021
... the experimental results, and a published correlation validates the bed equilibrium heights in the planar slot. Six types of particles are chosen to simulate the effects of particle density and size. The proppant distribution is evaluated by the bed height when the bed reaches the equilibrium states. The effects...
Journal Articles
Journal: SPE Journal
SPE J. (2021)
Paper Number: SPE-206721-PA
Published: 13 September 2021
... by empirical correlation, but widely used thermodynamic-based correlations do not account for the surface-activities characteristic of the polar/nonpolar interactions caused by naturally existing components in the crude oil. In addition, most crude oils included in these correlations come from conventional...
Journal Articles
Journal: SPE Journal
SPE J. (2021)
Paper Number: SPE-205523-PA
Published: 18 August 2021
... pore characteristics and their combination [combined pore character (CPC)] were then correlated with P c * and FTC to understand their respective roles. Furthermore, the data points obtained from the graphical analysis of the coreflood data provided the required input data for a mechanistic foam model...
Journal Articles
Journal: SPE Journal
SPE J. (2021)
Paper Number: SPE-206719-PA
Published: 17 August 2021
... saturation and apparent viscosity values were then correlated with each of the measured pore attributes. The results revealed that all pore attributes, except aspect ratio, have positive correlations with foam trapping and apparent viscosity. The best correlation with trapped foam saturation was obtained...
Journal Articles
Journal: SPE Journal
SPE J. 26 (04): 1666–1678.
Paper Number: SPE-200326-PA
Published: 11 August 2021
... specialized correlations for CO 2 or CO 2 -rich streams. Therefore, there is a need for a tool with expanded range capabilities for the estimation of MMP for CO 2 gas streams. The only known and widely accepted measurement technique for MMP that is coherent with its formal definition is the use of a slimtube...
Includes: Supplementary Content
Journal Articles
Journal: SPE Journal
SPE J. 26 (03): 1261–1277.
Paper Number: SPE-200367-PA
Published: 16 June 2021
... the P ci of the carbonate samples used in this study. The rock samples with these minerals should be separated from other bimodal samples before attempting to obtain a correlation between P ci and pore systems. The data analysis further reveals that some bimodal samples of medium permeability yield...
Journal Articles
Journal: SPE Journal
SPE J. 26 (03): 1302–1313.
Paper Number: SPE-201231-PA
Published: 16 June 2021
... oil & gas information experiment drillstem testing deep learning feature subspace prediction production monitoring shale gas neural network drillstem/well testing correlation data sample machine learning reservoir surveillance hydraulic fracturing application parameter-testing...
Journal Articles
Journal: SPE Journal
SPE J. 26 (03): 1469–1498.
Paper Number: SPE-204212-PA
Published: 16 June 2021
...Madhar Sahib Azad; Japan J. Trivedi Summary Since the introduction of viscous/capillary concepts by Moore and Slobod (1956) , several modifications and advancements have been made to the capillary number ( N c ) so that it could have a better correlation with residual oil saturation ( S or ) during...
Journal Articles
Journal: SPE Journal
SPE J. 26 (02): 1011–1031.
Paper Number: SPE-205029-PA
Published: 14 April 2021
... methods is the limited ensemble sizes, which cause spurious correlations between the data and the parameters and limit the degrees of freedom. In this work, we propose a data-assimilation scheme using an efficient implementation of the subspace ensemble randomized maximum likelihood (SEnRML) method...
Journal Articles
Journal: SPE Journal
SPE J. 26 (02): 563–590.
Paper Number: SPE-203848-PA
Published: 14 April 2021
... were found to be correlated with a higher abundance of metal-carrying colloidal phases. This can lead to problems such as higher heavy-metal mobility in the case of produced-water spills and can cause membrane fouling during produced-water recycling and reuse. NOTE: An erratum has been issued...
Includes: Supplementary Content
Journal Articles
Journal: SPE Journal
SPE J. (2021)
Paper Number: SPE-205373-PA
Published: 31 March 2021
... 3 2021 Copyright © 2021 Society of Petroleum Engineers artificial intelligence inclination angle case 5 production monitoring upstream oil & gas simulation void fraction reservoir surveillance taylor bubble correlation taylor bubble velocity vertical pipe distribution...
Journal Articles
Journal: SPE Journal
SPE J. 26 (01): 44–67.
Paper Number: SPE-200501-PA
Published: 10 February 2021
... elastic predamage conditions, and/or irreversible pore‐structure‐alteration/deformation processes. A proper correlation of the Biot‐Willis coefficient controlling the bulk volumetric strain is developed using the data available from various sources in a manner to meet the required endpoint‐limit...
Journal Articles
Journal: SPE Journal
SPE J. 26 (01): 172–190.
Paper Number: SPE-200767-PA
Published: 10 February 2021
...Faruk Civan Summary This paper presents a theoretically rigorous correlation of the performance of capillary pressure and relative permeability of naturally fractured sandstone and carbonate reservoirs involving saturation shocks and loading/unloading hysteresis under various stress and thermal...
Journal Articles
Journal: SPE Journal
SPE J. 25 (06): 2867–2880.
Paper Number: SPE-190480-PA
Published: 17 December 2020
... to obtain through traditional measurement techniques, correlations, or equation of state (EOS) models. Acoustic measurements offer a simpler method to obtain some of these properties. In this work, we used an experimental method based on ultrasonic pulse‐echo measurements in a high‐pressure/high‐temperature...
Journal Articles
Journal: SPE Journal
SPE J. 25 (06): 3217–3235.
Paper Number: SPE-196104-PA
Published: 17 December 2020
...‐Newtonian‐fluid rheological properties on the settling velocity. The newly developed C D /Re p correlation and the modified shear Reynolds number were incorporated into the Wilson et al. ( 2003 ) model to develop a generalized model that can be used for predicting the particle‐settling velocity in all types...
Journal Articles
Journal: SPE Journal
SPE J. 25 (05): 2648–2662.
Paper Number: SPE-203823-PA
Published: 15 October 2020
..., but also by dilution of bitumen with a solvent. Accurate characterization of the oil/solvent-mixture viscosity is critical for accurate prediction of recovery and effectiveness of such processes. There are varieties of models designed to predict and correlate the mixture viscosities. Among them, the linear...
Journal Articles
Journal: SPE Journal
SPE J. 25 (05): 2678–2693.
Paper Number: SPE-201248-PA
Published: 15 October 2020
... show significant improvement and close agreement with the laboratory measurements, demonstrating the applicability of the proposed model for accurate prediction of m in naturally fractured vuggy reservoirs. New correlations that consider the pore‐type diversity were generated using a plot of ϕ vs. m...

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