7、This paper introduces a new kind of imbibition equipment, and by use of it we studied the reverse imbibition law of low permeable core.
11、The imbibition tests were conducted by suspending a core from an electronic balance and immersing it in brine.
15、For the method of dry impregnation, an imbibition-adsorption model is proposed and its numerical solution has been obtained.
19、This paper studied imbibition law and influencing factor of low permeability sandstone under normal temperature and pressure and pulse pressure through self made experiment apparatus.
23、Spontaneous water imbibition phenomena exist in the most of oil-gas reservoirs especially in the oil-gas reservoirs with active edge water or bottom water and fracture-type oil-gas reservoirs.
2、hygroscopic (imbibition) mechanism
6、Experimental study on dynamic imbibition mechanism of low permeability reservoirs
12、After the seed was soaked, ATP level was characterized by an initial rapid increase at the beginning of seed imbibition.
17、The method is provided based on the principle that the wettability of rock surfaces is a key factor affecting the spontaneous imbibition rate as the rock contacts fluids.
22、On the basis of previous work, a new method for the determination of wettability of reservoir rocks, which can be designated as the modified method of spontaneous imbibition, has been established.
3、dynamic imbibition capillary pressure
9、Spontaneous imbibition is of special importance to the efficiency of oil recovery from fractured reservoirs.
16、Due to poor production and injection capacity of low permeable reservoir, imbibition recovery plays important role in the oilfield development.
24、The fluid flow properties and mechanism of fluid flow in low-permeability reservoir with fractured sandstones are complicated. The spontaneous imbibition of water is very important for oil recovery.
5、An imbibition test is a comparison of the imbibition potential of water and oil into a rock.
14、Many factors affect the process of spontaneous imbibition. This paper is focused on the effect of initial water saturation and rock lithology on rate of imbibition and oil recovery.
25、For naturally fractured low permeable limestone reservoirs, the oil displacing function by spontaneous imbibition of water is weak when the matrix rock surfaces are mixed wet or oil wetted.
10、The mathematical model of imbibition production was established. The pilot test of water injection was researched.
21、The concept of relative permeability is introduced. The dynamic permeation models are well established, which can represent imbibition and be used to predict the distributions of grout saturation.
13、According to analysis, we think that Flemingia philippinensis is most sensitive to cold imbibition stress, and then was water stress.
4、imbibition capillary pressure curve
1、compound imbibition
8、Mechanisms and optimal conditions of imbibition in naturally fractured low-permeability reservoir
20、The results of these simulations are compared with traditional simulation approach using scaling of saturation end points and not accounting for imbibition capillary pressures and hysteresis.
18、Thus oil recovery is enhanced. The mechanism of molecular filming agent mainly includes absorption, wettability alteration, diffusion and capillary imbibition etc.
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