Intelligent sensitive experiment technology


Published Time:

2025-04-22


This instrument is mainly used to test the sensitivity of cores under high temperature and high pressure conditions. The instrument is designed with two specifications of core holders, and while completing the core permeability and sensitivity tests, it can also conduct research on the heterogeneity of the core (equipped with a multi-point core holder).

Technical Parameters

Displacement Pressure 0~40MPa
Displacement Flow Rate 0.01~9.99ml/min
Displacement Fluid Volume 1000ml×2
Confining Pressure 0~45MPa
Operating Temperature Room temperature~150℃
Core Size φ25×(30~80)mm

Instrument Features
Optimized design based on the French ST back pressure valve, providing the instrument with high precision and low pressure fluctuation back pressure (pressure fluctuation range: ≤5psi, dead volume: ≤0.4ml), preventing the vaporization of high-temperature and high-pressure fluids flowing out of the core holder and providing simulated casing pressure; the instrument uses a high-precision automatic oil-water metering device, uses image processing software to monitor and measure the liquid flow in real time, and uses pneumatic valves to switch the experimental process, with a high degree of automation.

Instrument Functions
Core Six Sensitivity (salt sensitivity, water sensitivity, rate sensitivity, stress sensitivity, acid sensitivity, alkali sensitivity) experiments


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