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METHOD TO DETERMINE CURRENT CONDENSATE SATURATION IN A NEAR-WELLBORE ZONE IN A GAS-CONDENSATE FORMATION
METHOD TO DETERMINE CURRENT CONDENSATE SATURATION IN A NEAR-WELLBORE ZONE IN A GAS-CONDENSATE FORMATION
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机译:确定凝析气田近井区现行凝析油饱和度的方法
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摘要
The invention is related to the development of gas condensate deposits and may be used to determine current condensate saturation in the near-wellbore zone in the formation. The method for the current condensate saturation determination in the near-wellbore zone requires the measurement of the formation rock parameters and formation fluid parameters before the start of gas-condensate production and creation of the numerical model of the neutron logging signal change during the production period for the measured formation rock parameters and formation fluid parameters and expected condensate saturation value. During the production period when the well productivity decreases, neutron logging is performed and then the measured signals are matched with the model calculations and based on the provision of the best match of the measured and simulated neutron logging signals condensate saturation is determined.
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