Role of Fluid Dynamics in Petroleum Engineering
1. How did petroleum industry manage to wait up to 1982 in order to study the action of water, oil and gas using the concept of ‘fluid potential’?
Even otherwise, how efficiently, the petroleum industry managed to gain the improved understanding of controls over hydrocarbon migration and accumulation; and its associated energy distribution in a sedimentary basin using the concept of fluid potential – reintroduced by Dahlberg in 1982 in petroleum industry?
Have we efficiently used the concept of ‘fluid potential’ by referring to the characteristics and variations of the field of ‘hydrocarbon potential energy’ – towards ‘predicting’ ‘the direction of hydrocarbon migration’ and ‘the favorable areas for accumulation in a studied area’ @ different periods?
2. Can we comfortably extend Hubbert’s concept of fluid potential (1940, 1953: the amount of work required to transport a unit mass of water/oil/gas from an arbitrary position to the point of interest) to the calculation of ‘gas potential’ in the fluid potential field’?
Or
Should we better apply England’s concept of fluid potential (1987: the amount of work required to transfer a unit volume of water/oil/gas from a reference condition to the reservoir condition) for the calculation of ‘gas potential’ in the fluid potential field’ as it takes into account the compressibility of natural gas?
3. To what extent, the ‘fluid dynamic force’ actually influence the ‘scale of a fluid potential’ as a function of its principal components (a) buoyancy; (b) stratigraphic pressure; (c) capillary pressure; and (d) hydrodynamic forces; acting simultaneously @ various scales?
4. Will it become an approximation, if we estimate ‘oil potential’ using ‘Hubbert’s oil potential’, where the interfacial energy arising from the capillary pressure within the reservoir is assumed to be negligible?
Or
Wise to estimate ‘oil potential’ using ‘England’s oil potential’ that actually takes into consideration of the role of the interfacial energy arising from the capillary pressure in the reservoir, while also, allowing, to comfortably calculate the oil-bearing saturation in the reservoir under the action of the interface by applying Darcy’s equation?
Hubbert's concept of fluid potential can be extended to estimate gas potential, there are specific considerations and differences that need to be taken into account when applying it to gas reservoirs. The unique properties of gas reservoirs and the distinct behavior of gas necessitate adaptations and modifications to the methodology used for oil reservoirs.
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