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Keywords: asphaltene
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Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, July 27–31, 2020
Paper Number: SPE-199096-MS
... of the field evaluation is ably addressed by deploying the latest WFT technologies, including radial probes entry for higher-quality interval IPTT and downhole fluid properties measurement. These measurements and methodology using a dissolved-asphaltene equation of state (EOS) enabled the investigation...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185542-MS
... Abstract Asphaltene self-association and precipitation are unfavorable processes that can occur during production, transportation, and storage of crude oils. The primary mechanisms of asphaltene self-association are dispersion interactions, electrostatics interactions, hydrogen bonding...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185543-MS
... Abstract Stability of asphaltenes is affected mainly by the change in pressure and temperature within the reservoir or in production lines. Destabilized asphaltenes results in several flow assurance problems due to their higher precipitation tendency. While there are numerous studies...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185547-MS
... experiments were conducted under optical microscopy by mixing clay-sand mixture with water, steam, and asphaltenes from initial bitumen at 40X magnification. Fig. 3 includes some reference microscopic images of clay-sand mixtures ( Fig. 3A ) and clay-sand-asphaltene mixtures ( Fig. 3B ). Figure 3...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185558-MS
... the radius of the solvent, nevertheless in this work cannot be used, because the asphaltenes do not have these characteristics. For this reason, it is necessary to use a new equation ( Eq.5 ), which takes into account the shape and size of the solute ( Macchioni, 2008 ). (5) D = K B T c f...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 17–19, 2017
Paper Number: SPE-185559-MS
... Figure 4 Spent-rock visualization after DAO extraction with n-pentane. Intergranular fines (under SEM) are clay-asphaltene fines (E1 and E2) and asphaltenes (E3) deposited on the sand grain surfaces and pore-throats. Three core-flooding experiments were performed to investigate the pore...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, November 18–20, 2015
Paper Number: SPE-177134-MS
... characteristic composition in-situ combustion endothermic reaction experiment initial oil saturation water saturation constant heating rate Hascakir bitumen Upstream Oil & Gas chemical reaction heating rate reaction heating schedule asphaltene saturation combustion initial oil combustion...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, November 18–20, 2015
Paper Number: SPE-177063-MS
... of Saturates, Aromatics, Resins, and Asphaltenes (SARA) fractions. Fourier Transform Infrared Spectroscopy (FTIR) is used to characterize the SARA fractions. The metal content of produced water samples is determined with Inductive Coupled Plasma Mass Spectroscopy (ICP-MS). Both fracture types interrupt stable...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, November 18–20, 2015
Paper Number: SPE-177280-MS
... Abstract Asphaltene precipitation can severely hamper the petroleum extraction by plugging the pores or precipitation in production lines. Although the effect of temperature and pressure on asphaltene deposition is well known, how the variations in oil composition affect the asphaltene...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 21–23, 2014
Paper Number: SPE-169465-MS
...-67 block located in the largest reserve of crude Motatán area, specifically in western Venezuela. The last three teams Pumping electrosumergible not last more than 3 months since, had binding by the presence of carbonates and asphaltenes, the anomalies were observed in the teardown conducted surface...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 21–23, 2014
Paper Number: SPE-169456-MS
... drillstem/well testing Upstream Oil & Gas gas lift valve coiled tubing bubble pressure valve injection operation injection well asphaltene well crc-19 society of petroleum engineers deposit gas injection artificial lift crc-19 well reservoir permeability gas lift The deposits...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, April 16–18, 2012
Paper Number: SPE-153602-MS
... Abstract Reservoir fluids from Lake Maracaibo have reportedly caused asphaltene operational problems ranging from plugging of wellbores, pipelines and flowlines to clogging of surface facilities ( Garcia et al, 2001 ). Production of fluids from some part of the region has been dramatically...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, December 1–3, 2010
Paper Number: SPE-139040-MS
... Abstract Asphaltene deposition related damage is a well known phenomenon during production of highly under saturated volatile oil systems. It's modelling and control has been broadly documented although this last practice has been restricted to the near wellbore region where its impact seems...
Proceedings Papers

Paper presented at the Latin American and Caribbean Petroleum Engineering Conference, May 31–June 30, 2009
Paper Number: SPE-121911-MS
... radiation thermal rtc sample hydrocarbon asphaltene distillation experiment radiation energy naphtha thermal distillation hexadecane Introduction One of the greatest challenges facing our continued use of petroleum in the global economy, as we transition to a balanced use various energy...
Proceedings Papers

Paper presented at the Latin American & Caribbean Petroleum Engineering Conference, April 15–18, 2007
Paper Number: SPE-107948-MS
... was necessary in order to obtain a well-supported fluid distribution model. The analysis of the large number of data allowed defining the geometry of the Tar mat (asphaltene content > 20%), which is folded/faulted according to the structure and considered as a sealed layer in reservoir conditions...
Proceedings Papers

Paper presented at the Latin American & Caribbean Petroleum Engineering Conference, April 15–18, 2007
Paper Number: SPE-108097-MS
... asphaltene reservoir model compartmentalization spectroscopy society of petroleum engineers Mullin heavy oil optical density gradient reservoir Introduction Exploration wells provide a narrow window of opportunity for collecting hydrocarbon samples to make development decisions; therefore...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, June 20–23, 2005
Paper Number: SPE-94786-MS
... Abstract The role of foamy oil flow in cold production of heavy oil has attracted considerable attention in the literature. It has been suggested in several studies that there may be a link between the presence of high Asphaltenes content and the foamability of oil.However, a systematic...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, April 27–30, 2003
Paper Number: SPE-81004-MS
... SPE 81004 SPE 81004 Hydrocarbon/Solvent Treatment for Inhibiting Paraffin and Suspending Asphaltenes in Oil Wells Gale J. Campbell, SPE and John M. Griffin, SPE /Chemex, Inc. Copyright 2003, Society of Petroleum Engineers Inc. This paper was prepared for presentation at the SPE Latin American...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, March 25–28, 2001
Paper Number: SPE-69513-MS
... oilfield chemistry inhibitor oil production crude oil scale remediation production chemistry remediation of hydrates paraffin remediation depletion oil sample scale inhibition precipitation efficiency garcía asphaltene deposition deposition wax remediation hydrate inhibition...
Proceedings Papers

Paper presented at the Latin American and Caribbean Petroleum Engineering Conference, April 21–23, 1999
Paper Number: SPE-53998-MS
... This paper was prepared for presentation at the 1999 SPE Latin American and Caribbean Petroleum Engineering Conference held in Caracas, Venezuela, 21–23 April 1999. structural parameter characterization asphaltene remediation crude oil amphiphile remediation of hydrates concentration...

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