Experimental And Application Study On Gas Condensate Seepage In Porous Media

The experiment and the theory researches of the seepage regulation about condensate oil and gas flowing in porous media are a leading edge research topic that is very difficult and has important theory value and applied values, which is the foundation to establish reasonable development project of condensate reservoir. For long time, the research works about the condensate gas reservoir development are to put great emphasis on the phase state analysis in the PVT tube, and usually adopt the nitrogen- kerosene relative permeability curve to reflect seepage regulation of condensate oil and gas. The depletion regulation and seepage regulation about condensate oil and gas flowing in porous media need lucubrate.On the base of building up the supersonic wave testing equipment, we study the general regulation of depletion experiment and the testing techniques of relative permeability of gas condensate in long core. We adopt the compositional simulator to fitting and predict experiment data and make use of the traditional relative permeability curve( the nitrogen - kerosene relative permeability curve) and relative permeability of gas condensate to carry on production prediction and study their influence to development dynamic.The textual research work mainly is divided into six parts: the first is to improve and perfect the saturation testing equipment using supersonic wave, and to advance the rationality .resolutions and precisions ; the second is to investigate the feasibility using supersonic wave to test the rock radial saturation and build up the supersonic wave equipment that test the rock radial saturation ; the third is to carry on the conventionality relative permeability curve test and the equilibrium oil and gas relative permeability curve test under the high temperature and high pressures condition to cores with different permeability, including respectively considering the included gas or not and different velocity; the. fourth is to make use of the supersonic wave test system to carry on depletion experiment test and study the variety regulation of the condensate oil critical flow saturation and natural gases and the condensate oil recovery factor at the condition of the different permeability core and velocity ; the fifth is to build up the rock experiment model and single well model...