Abstract: Methods and systems for testing retrograde condensation damage in a near well zone of a condensate gas reservoir with a high condensate content are provided. The device comprises a long rock core holder, a first two-way valve, a second two-way valve, a first single-way valve, a second single-way valve, a third single-way valve, a fourth single-way valve, a first three-way valve, a second three-way valve, a third three-way valve, a confining pressure pump, a confining pressure gauge, a vacuum pump, a high-pressure high-precision displacement pump, a first intermediate container, an outlet pressure gauge, a displacement pump, a back pressure valve, a gas meter, a second intermediate container, an inlet pressure gauge, a test tube, a constant temperature oven, a gas flowmeter, a gas chromatograph, a six-way valve, a sample preparation device, and a thermostatic chamber.

Abstract: The invention discloses a microwave rain attenuation law based artificial rainfall experimental method with an adjustable link length, including the following steps of: 1) designing and calculating rainfall intensities in different return periods to form an experimental rainfall process, and simulating artificial rainfall by using an artificial rainfall hall; 2) building a corner reflector to dynamically adjust the microwave link length; 3) installing an experimental microwave device, and selecting a microwave link with a specific microwave frequency band as an experimental link; 4) using a self-recording rain gauge to obtain measured data on the experimental link under different rainfall intensities; and 5) according to the measured data, obtaining a whole process of the experimental rainfall intensity change, and analyzing and calculating the microwave rain attenuation law.

Abstract: The invention discloses a microwave rain attenuation law based artificial rainfall experimental method with an adjustable link length, including the following steps of: 1) designing and calculating rainfall intensities in different return periods to form an experimental rainfall process, and simulating artificial rainfall by using an artificial rainfall hall; 2) building a corner reflector to dynamically adjust the microwave link length; 3) installing an experimental microwave device, and selecting a microwave link with a specific microwave frequency band as an experimental link; 4) using a self-recording rain gauge to obtain measured data on the experimental link under different rainfall intensities; and 5) according to the measured data, obtaining a whole process of the experimental rainfall intensity change, and analyzing and calculating the microwave rain attenuation law.