气藏工程翻译版课件Chapter3 Gas Volumes and Material-Balance Calculations Chapter3GasVolumesandMaterial-BalanceCalculations 气体体积和物质平衡计算 3.1Introduction 3.2VolumetricMethods体积的方法 •Volumetricdry-gasreservoirs•体积干气气藏•Dry-gasreservoirswithwaterinflux干水驱气藏•Volumetricwet-gasandgas...
Water formation volume factor, water viscosity, gas compressibility, and gas viscosity are pressure-dependent variables. Water compressibility is constant. • The variables used in the fracture model are evaluated at average fracture pressure. The variables used in the matrix model are evaluated at ...
Using the given pressure-production history of the field, estimate the following: • Percentage of the liberated solution gas retained in the reservoir as the pressure declines below the bubble point pressure. Express the retained gas volume as a percentage of the total gas liberated αg and al...
Steps are dominant morphologic traits of high-energy streams, where climatically- and biogeochemically-relevant gases are processed, transported to downstream ecosystems or released into the atmosphere. Yet, capturing the imprint of the small-scale morph
aLast chapter simply introduces estimation of gas at atmospheric pressure in formation. This chapter describes the process of stable foam drilling, how to determine the minimum gas volume required, the purpose is to design the drilling rig and select more effective, need air and gas compressors an...
Seyyedattar M, Ghiasi MM, Zendehboudi S, Butt S (2020) Determination of bubble point pressure and oil formation volume factor: extra trees compared with LSSVM-CSA hybrid and ANFIS models. Fuel 269:116834. https://doi.org/10.1016/j.fuel.2019.116834 Article Google Scholar Shabbir J, Anwer...
pressureGasflowchannelsFractureextensionmechanismFracturedevelopmentThe permeability of coal ahead of the working face obviously changes dues to changes in abutment pressure.The formation and evolution of gas flow channels within the abutment pressure area was studied by analyzing the fracture extension ...
with P = pressure (psi), V = volume (ft3), Z = z-factor, n = amount of gas (moles), R = ideal gas constant, T = temperature. The following equation was used: $$V_{B} = \frac{{Z_{B} \cdot T_{B} \cdot P_{S} \cdot V_{s} }}{{Z_{s}...
Formation and Structure of Foams. Pressure in the Liquid and Gas Phases of Foams - ScienceDirectFoam is a disperse system, consisting of gas bubbles, separated by liquid layers. The dispersion of gas in liquid in which the gas content is low and the thickness of liquid layers is commensur...
Assuming negligible pressure loss in the surface injection line, determine the minimum required gas injection pressure using a kinetic energy index safety factor of 1.2 for the design gas injection rate. 2. Plot profiles of the pressure, velocity, gas density, and kinetic energy index along the ...