1986
DOI: 10.2516/ogst:1986029
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Mouillabilité et réservoirs pétroliers

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Cited by 10 publications
(6 citation statements)
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“…This method can only compare the extractable fraction of asphaltenes, and its underestimation of the true amount may vary with carbonate and oil types. 5,10 Samples without spontaneous imbibition will first be discussed. The amounts in Table 5 are always higher for WP oil than for CW under the same conditions.…”
Section: Energy and Fuelsmentioning
confidence: 99%
See 1 more Smart Citation
“…This method can only compare the extractable fraction of asphaltenes, and its underestimation of the true amount may vary with carbonate and oil types. 5,10 Samples without spontaneous imbibition will first be discussed. The amounts in Table 5 are always higher for WP oil than for CW under the same conditions.…”
Section: Energy and Fuelsmentioning
confidence: 99%
“…At these locations, adsorption or deposition of the oil’s more polar components, namely asphaltenes and resins, alters the local surface chemistry to more oil-wetting . Laboratory core analysis often attempts to restore the native reservoir state by first cleaning the rock to its original water-wetness (which is especially difficult for carbonates , ) and then performing primary drainage of formation brine by crude oil to a relevant initial saturation, followed by aging. Core-scale quantification of wettability can be obtained from brine imbibition and oil secondary drainage tests, for example, the Amott-Harvey or USBM indexes .…”
Section: Introductionmentioning
confidence: 99%
“…For these purposes, the knowledge of interfacial phenomena is very important; nonetheless, they are very complex because they depend on the chemical composition of oil, the physical and chemical properties of the surfaces, and the heterogeneity of the minerals. When a rock is fully covered with crude oil, which is immiscible with water, the process of water penetration in the rock, named displacement, depends on pore size and the affinity of water and oil to the porous rocks saturated with crude oil. The interactions of the chemical components of crude oil with the surface of the rocks have been investigated by means of calorimetric techniques measuring the immersion enthalpy of organic molecules on several mineral surfaces. , …”
Section: Introductionmentioning
confidence: 99%
“…For rock/oil/brine systems, it is a measure of the affinity that the rock has for either oil or water. Cuiec (1986) proved the existence of water-wet, mixed-wet or oil-wet rocks. Sandstones that are reservoir rocks are usually formed of quartz grains attached by clay minerals and hydroxides.…”
Section: Introductionmentioning
confidence: 99%