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Helium Porosimeter
The Helium gas Porosimeter determines the sample’s (1 inch or 1.5-inch diameter) grain and pore volume via an isothermal helium expansion and works based on Boyle’s and Charles’ law. Porosity is usually expressed as a percentage of the core plug’s total volume. The device tolerates an injection pressure of up to 10 bar (higher pressure is available upon request). Each sample matrix cup is interchangeable and is provided with stainless steel billets for calibration.
| Educational Helium Permeameter PO-R10 |
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| Standard Set of Calibration | |
| Porosity Range | 1-40% |
| Maximum Core Length | 3 inch |
| Maximum Injection Pressure | 10 bar |
| Research Helium Permeameter PO-R20 |
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| Standard Set of Calibration | |
| Permeability Range | 0.5 – 40% |
| Maximum Core Length | 3.5 inch |
| Maximum Injection Pressure | 10 bar |
| Industrial Helium Permeameter PO-R30 |
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| Standard Billets for Calibration | |
| Standard Check Plugs with Known Porosity | |
| Porosity Range | 0.2 – 50% |
| Maximum Core Length | 3.5 inch |
| Maximum Injection Pressure | 10 bar |
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Gas Permeameter
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Electrical Properties Apparatus
Read moreThe electrical properties device is an instrument for ambient electrical resistivity measurement using core plug samples. The manual version of the device includes an ambient electrical properties cell for 1.5-inch cores up to 4 inches in length, a resistivity meter, and a brine resistance measurement dip cell. In addition, properties such as Formation Factor, Resistivity Index, Saturation Exponent n, and Cementation Factor m can be determined.
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Helium Porosimeter at Confining Pressure
Read moreNormally, the porosity of the cores is measured without applying confining pressure on the samples. Although the confining pressure is not able to significantly affect the porosity value, it may lead to a huge deviation on the estimated value of the original oil in place. This device measures the porosity of the core samples while under confining pressure. This equipment can be used for grain density measurement at net confining stress. Moreover, Porosity is usually expressed as a percentage of the core plugs’ total volume.
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