PERM Inc. Instruments is a sub-division of PERM Inc., which markets the IP of manufacturers and distributes core analysis related laboratory equipment and magnetic resonance sensors.
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Check out some of our equipment below.
Gas Permeameter
The permeability of a core plug to gas can be measured either using the steady-state or unsteady-state technique. This measurement shows the capability of the core to transport fluids through its pore/throat system. Higher permeability leads to a lower pressure drop when the fluid passes through the system. The steady-state approach is the most accurate, reliable, and convenient technique to measure the permeability of a core plug. It is suitable for mid to high-permeable core plugs in which Darcy’s law for the gas system is applied. As this technique takes a long time to be completed for tight core plugs, the unsteady-state approaches must be used for tight core plugs. Also, the unsteady-state permeability measurement is a faster technique to determine the permeability of the core.
Manual Steady-State Gas Permeameter
- Simple and low-cost
- Optimal for instructional and educational purposes
- Includes flow meter, gas regulator, pressure transducer, pressure gauges, and hand-operated hydraulic pump
- Confining pressure up to 1,500psi
- Hassler core holder for minimum maintenance
- Accurate gas regulator
- No data logger
Semi-Automated Steady-State Gas Permeameter
- Measures permeability of a core plug with low to high range permeability
- Electric gas regulator
- Software controls all valves and reads the pressure drop, outlet pressure, confining pressure, and flow rate
- Hand-operated hydraulic pump
- Confining pressure up to 10,000 psi
- Two hassler core holders for permeability measurements with two different sizes
- Injection pressure up to 500 psi using accurate gas regulator
- Flow rate, pressure drop and injection pressure shown on displays
- Equipped with manual spring BPR
- Several flow meters for more accurate flow measurements
- 14-bit data logger for reading and recording
- Measures absolute permeability, air permeability, and slippage factor
Fully Automated Steady-State Gas Permeameter
- Measures permeability of a core plug with low to high range permeability
- System controls the injection pressure, confining pressure, and outlet pressure (using a gas dome BPR)
- Set pressures through the software (0-500 psi, 0-125 psi, and 0-10,000 psi)
- Two hassler core holders for permeability measurements with two different sizes
- Several flow meters for more accurate flow measurements
- 14-bit data logger for reading and recording
- Measures the absolute permeability, air permeability, and slippage factor
Semi-Automated Unsteady-State Permeameter (Fall-Off)
- Faster permeability measurements
- Analysis of transient pressure data leads to the determination of slippage factor, inertial resistivity, and absolute permeability
- Higher permeability requires shorter measurement
- Hand-operated hydraulic pump
- High-speed data logging system
- Software shows status of the unit, as well as the actuators
Semi-Automated Unsteady-State Permeameter (Pulse-Decay)
- Ideal low to ultra-low permeable core plugs
- Hand-operated hydraulic pump
- Software shows the status of the unit, as well as the actuators
- Transient pressure data leads to the determination of the gas permeability of the core plug
- High-speed data logging system
Fully Automated Steady/Unsteady State Permeameter System
- Capable of permeability measurements from 10 nDarcy to 10 Darcy for different sizes of core plugs
- Combination of steady-state and pulse-decay techniques
- Fully automated
- Air-operated valves, an electric gas regulator, an electric BPR, and a high-speed data acquisition system
- Covers both ultra-low to low, and moderate to high permeability ranges
- Automated confining pressure system
- Software shows the status of the unit and the status of the equipment
- Transient pressure data leads to the determination of gas permeability of the core plug during the pulse-decay technique
Helium Porosimeter
This instrument is used for Routine Core Analysis (RCAL), in which effective porosity (interconnect porosity) and grain density of a particular core plug are determined using an inert gas with a small molecular size, such as helium. Helium is used because it has the smallest molecular size among the inert gases. Therefore, it can easily penetrate core plugs with small pores. Boyle’s Law for isothermal ideal or real gas systems is the base for the porosity calculation in this equipment.Boyle’s Law for isothermal ideal or real gas systems is the base for the porosity calculation in this equipment. The helium porosimeter involves a core holder chamber with or without confining pressure.
Manual Helium Porosimeter
- Simple and low-cost
- Optimal for instructional and educational purposes
- Equipped with a low-pressure gas regulator, digital pressure regulator, porosity chamber, and some manual valves
- Minimized dead volume of porosity chamber
Automated Helium Porosimeter
- Fully automated
- Equipped with a moderate-pressure electric gas regulator, digital pressure regulator, porosity chamber, and some actuators
- Data logger
- Software enables the user to adjust the pressure up to 500 psi (enough for helium to penetrate through a tight core plug)
- Software offers visualization of the system status and control panel
- Accurate porosity measurements
- Several spacers to minimize dead volume of the porosity chamber
BROCHURE Coming Soon…
Semi-Automated Helium Porosimeter with Confining Pressure
- User can apply confining pressure
- Can measure rock compressibility
- High-pressure core holder
- Hand-operated hydraulic pump
Combined Poroperm
PERM Inc. Instruments is capable of combining different units into one integrated system. Please contact us if you need any recommendations for your application.
A popular option is combining a porosimeter and a permeameter. This makes taking measurements easier for the end user. Once the core plug is in the core holder, the operator can run either porosity or permeability measurements.
Fully Automated Poroperm System
- Complete apparatus
- Can run porosity measurements, steady-state permeability measurements, and unsteady-state permeability measurements (Pulse decay)
- Fully automated
- Two core holders of different sizes, one for small core plugs (i.e., 1.5-inch diameter) and another for whole core plugs (4-inch diameter)
- Several flow meters
- Wide range of flow rates (0-10 SCCM and 100-10,000 SCCM) with 1%FS accuracy
- High-accuracy pressure transducers
- Confining pressure up to 10,000 psi
- Pore pressure can increase to 500 psi (suitable for tight core plugs)
- Two inlet ports for Helium and Nitrogen
Core Saturator
An essential apparatus for the oil and gas industry, the Core Saturator is used to fill a core plug with a particular fluid (either oleic or aqueous phase). It is the main unit for core preparation before core flooding tests. By saturating a clean and dry core plug, the porosity and pore volume of the core plug can be determined by measuring the mass of the core plug before and after the saturation.
Manual Core Saturator
- Low cost
- Simple technology
- Optimal for instructional and educational purposes
- Hand-operated liquid pump
Automated Core Saturator
- More benefits for the end user
- Equipped with a high-performance vacuum and liquid pump to evacuate and pressurize the core plug
- User-friendly software
- All valves, the vacuum pump, and the liquid pump are controlled by the software
- System will automatically saturate the core plug
- Accurate pressure transducer
Capillary Pressure
The Capillary Pressure Apparatus assists with Special Core Analysis (SCAL) by determining the capillary pressure-desaturation curve of a particular core plug (or multiple core plugs) and the corresponding pore size distribution using an inert gas, such as nitrogen. The high-pressure chamber of this apparatus is equipped with a porous plate with a 218-psi threshold pressure, which does not allow gas to enter its pore spaces if the applied injection pressure is less than 218 psi. A humidifier is included with this apparatus to ensure that the injected gas phase is saturated with water. In addition, the capillary pressure measurement can be run with low- and high-pressure modes, resulting in more accurate measurements depending on the pore-size distribution. A level indicator can show the water level inside the humidifier of the unit.
Manual Capillary Pressure Apparatus
- Simple and low-cost
- Optimal for instructional and educational purposes
- Includes two regulators, one 218 psi porous plate, a core holder chamber, and a pressure transducer
- No data logger
Automated Capillary Pressure Apparatus
- Automated system
- Electric gas regulator
- A balance is provided to record the mass of the core plug
- Software for controlling the pressure system and generating the capillary pressure curves, as well as the pore size distribution