Abstract: The embodiments of the present disclosure disclose an evaluation apparatus and a method for seal integrity of a wellbore in a full life cycle. The apparatus may include an oil pipe temperature and pressure simulation assembly, an oil casing annular temperature and pressure simulation assembly, a formation confining pressure simulation assembly, a casing-cement sheath-formation combination preparation assembly, a blowby characteristic detection assembly, and a monitoring system. The present disclosure may crustal stress quickly complete scanning of cement slurry system and maintenance and preparation of casing-cement sheath-formation combination, intelligent monitor blowby pressure of cement sheath in real time, test the critical blowby pressure curve of cement sheath of oil and gas wells under various production conditions throughout the life cycle for evaluating the seal integrity of wellbore, and provide technical support for the formulation of wellbore safeguard measures.

Abstract: An fluid monitoring system can include a filter having an upstream face and a downstream face and defining a form factor, a sensor package arranged within the form factor of the filter to detect at least one quality factor of a surrounding medium, a transmitter electronically coupled to the sensor package and including an antenna for autonomous wireless transmission of the detected fluid quality information, and a power subsystem coupled to the sensor package and the transmitter to provide access to continuous electrical power thereto.

Abstract: A method for combined characterization of pore structure includes steps as follows. Firstly, CO2, N2 and high-pressure mercury intrusion porosimetry characterization curves are plotted based on actual measurement data, then, average values of the overlapping range of the CO2 and N2 characterization curves are calculated, and a function yi?=ƒ(x) is fitted. Each pore volume yi? corresponding to each pore diameter xi is calculated, and a curve is plotted with xi as a horizontal coordinate and yi? as a vertical coordinate, thereby obtaining a characterization curve of the overlapping range between CO2 and N2 adsorptions. The same data processing is used to process the overlapping range data of the N2 and high-pressure mercury intrusion porosimetry characterization curves, to obtain the characterization curve between them. The characterization curves are spliced with the original CO2, N2, and high-pressure mercury intrusion porosimetry characterization curves to obtain a combined characterization curve.

Abstract: A system for determining a filter for evaluating a dissolution quality of a binder solution for a secondary battery electrode according to the present technology includes: a pressure container which accommodates a binder solution; a pressure medium supply source which supplies pressure medium of a predetermined pressure to the pressure container; a filter which is connected to the pressure container by a pipe; a flow rate measuring unit which measures a flow rate of the binder solution filtered by the filter; and a determination unit which measures a time point when a flow rate reaches a specific value predetermined in consideration of an initial flow rate by repeating measurement of the flow rate using each filter having a different pore size, and determines a filter having a filter size in an optimal pore size range based on the time point.

Abstract: A system for determining particle size of a quantity of a sample material contained in a sample material holder is disclosed, where the sample material is made up a plurality of the particles. The system may incorporate a pressure regulating subsystem for receiving a first pressurized airflow signal and regulating the first pressurized airflow signal to a second pressurized airflow signal having a pressure lower than the first pressurized airflow signal, the second pressurized airflow signal configured to be input to a first end of the sample material holder. A mass airflow transducer may be incorporated for determining a flow rate representing an air flow value entering the sample material holder. A control module uses the air flow value in combination with the pressure differential value and mathematically determining a dimension of the particles making up the sample material.

Abstract: Techniques for determining a geologic property of a rock sample include (i) measuring a mass of a processed rock sample that includes a solid matrix and a fluid entrained within the solid matrix; (ii) measuring, using nuclear magnetic resonance (NMR), a volume of the fluid entrained within the solid matrix; (iii) measuring, using a gas porosimeter, a volume of the solid matrix of the processed rock sample; (iv) measuring, with a mercury immersion porosimeter, a bulk volume of the processed rock sample; and (v) determining, based at least on the measured volume of the fluid, the measured volume of the solid matrix, and the measured bulk volume, at least one of a bulk density, a grain density, or a porosity of the processed rock sample.

Abstract: The present invention discloses a device and method for measuring the relative permeability of propped fractures in shale considering probability distribution, comprising a gas cylinder, a water pump, a booster pump, a rock slab holder, a differential pressure sensor, a directional X-ray source, an X-ray detector, an X-ray shielding box, a tee, a liquid meter, a gas meter, an electronic balance, and a vacuum pump; the inlet of rock slab holder is respectively connected with the gas cylinder and the water pump by the pipe, the outlet is connected with the liquid meter and the vacuum pump by the tee, and the differential pressure sensor is connected with both ends of the rock slab holder; the booster pump is connected with the rock slab holder by the pipe; the inlet of the gas meter is connected with the liquid meter, and the outlet is connected to the external atmosphere.

Abstract: A reflector sight (2) for a portable firearm has an optical system for generating a natural image of a target region, a display (4) for reproducing an electronic image of the target region created by an electronic image creation unit and a beam splitter cube (6) for overlaying the natural image with the electronic image of the target region reproduced by the display (4). According to the invention, the display (4) is arranged on a first flat face (10) of beam splitter cube (6), to which flat face a correction lens (12) is connected (12), the face (14) of which facing the display is convex, wherein a mirror lens element (18) is connected to a second flat face (16) of the beam splitter cube, the mirrored face (20) of which mirror lens element facing away from the beam splitter cube (6) is convex and aspherical and wherein the beam splitter cube (6), the correction lens (12) and the mirror lens element (18) form a correction block that consists of silica glass and/or.

Abstract: Provided is a method for detecting defects of a separation membrane element, and an apparatus for detecting defects of a separation membrane element.

Abstract: A method of measuring pressure includes the steps of (1) providing a vacuum cabinet with a storage compartment and an insulating space, and three temperature sensors; (2) sensing a first temperature level of an interior wall of the storage compartment; (3) sensing an ambient temperature level within the storage compartment; (4) sensing a second temperature level of an exterior wall of the storage compartment; (5) calculating an overall heat transfer coefficient (Q) using the ambient temperature level, the first temperature level, and a convective heat transfer coefficient for the interior wall of the storage compartment; (6) calculating a temperature differential between the second and first temperature levels; (7) determining a conductivity level (K) using the temperature differential, the overall heat transfer coefficient (Q) and a thickness of the insulating space; and (8) determining a pressure level (P) within the insulating space using the conductivity level (K).

Abstract: The present invention comprises a test for evaluating spontaneous hydraulic fracturing fluid imbibition and oil displacement method and apparatus utilizing a composite core with a pressurized Amott cell test.

Abstract: A centrifugal testing device for simulating ground subsidence induced by buried pipeline leakage and infiltration includes a model box provided with a transparent observation window at a front side, a chamber partitioning plate, a damaged pipeline model, permeable plates, and a water-soil separation device. A front part of the model box is divided into a test soil chamber for filling model soil and seepage chambers located at two sides of the test soil chamber. A rear part of the model box is divided into a soil filtration chamber and water circulation supply chambers located at two sides of the soil filtration chamber. The damaged pipeline model includes a front end provided with an electric push rod for controlling a crack of the damaged pipeline model to be opened and closed and a rear end provided with a ball valve device and connected to a water pump.

Abstract: A core holder and a prediction method for starting pressure gradient of shale oil based on the core hold are provided. The core holder includes an inlet plug, an outlet plug, a core accommodating cavity disposed between the inlet plug and the outlet plug and used for accommodating the shale oil, a rubber gasket disposed between the outlet plug and the core accommodating cavity, and a microinjector including a microinjector needle portion that passes through the outlet plug and the rubber gasket in sequence to be in contact with the shale oil in the core accommodating cavity. The core holder and the method can solve problems that movable oil volume of a low-porosity, low-permeability and small-volume rock sample and a shale rock sample cannot be accurately measured, and that a movable scale and a starting pressure gradient of the shale oil cannot be measured.

Abstract: An fluid monitoring system can include a filter having an upstream face and a downstream face and defining a form factor, a sensor package arranged within the form factor of the filter to detect at least one quality factor of a surrounding medium, a transmitter electronically coupled to the sensor package and including an antenna for autonomous wireless transmission of the detected fluid quality information, and a power subsystem coupled to the sensor package and the transmitter to provide access to continuous electrical power thereto.

Abstract: A method of determining foam stability includes placing a core plug and two porous plates into a core holder of a vesselcore plug. The first porous plate and the second porous plate are disposed on opposite sides of the core plug, and the core plug, the first porous plate, and the second porous plate are saturated with surfactant. The method further includes alternating surfactant solution injections between a first injection area located on the first porous plate and a second injection area located on the second porous plate, while ensuring that the surfactant solution is being continuously fed, thereby forming continuously flowing foam in-situ within the core plug, in which the surfactant solution comprises gas and the surfactant; and monitoring the pressure drop to determine the stability of the foam in the core plug.

Abstract: A method includes preparing a rocklike core sample for compressive testing, the rocklike core sample defining a longitudinal axis and having first and second axial ends. Preparing the rocklike core sample includes providing a throughhole in the rocklike core sample, the throughhole extending between a first opening at the first axial end and a second opening at the second axial end, wherein the first opening and the second opening are dimensioned differently. The rocklike core sample is mounted in a compressive testing apparatus, and a compressive test is performed on the rocklike core sample in the compressive testing apparatus. The compressive test includes compression in axial and radial directions. A related system includes a compressive testing apparatus and a sample preparation apparatus which prepares a rocklike core sample for compressive testing in the compressive testing apparatus, via providing a throughhole in the rocklike core sample.

Abstract: The invention provides a membrane structure suitable for a sand production test of a rock sample provided with a hollow cylinder shape, the membrane structure comprising a main body with a housing configured to confine the rock sample within; a watertight outer wall adapted to withstand external hydrostatic pressure exerted by a first fluid; a permeable inner wall limiting the housing and configured to exert pressure on the rock sample and, to inject a second fluid into the outer surface of said rock sample; a plurality of internal hollow chambers located between the watertight outer wall and the permeable inner wall, wherein each one of the plurality of internal hollow chambers includes a plurality of rigid particles filling the inner space of each hollow chamber for transmitting the external pressure exerted from the outer wall to the inner wall.

Abstract: A method for determining maximum recoverable hydrocarbon (EMR) in a tight reservoir is disclosed. The method includes determining, based on downhole logs, a total measure of hydrocarbon amount within the tight reservoir, determining, by at least attributing fluid loss during core surfacing of the core sample to hydrocarbons, a non-recoverable measure of hydrocarbon amount within a core sample of the tight reservoir, and determining an EMR measure based on the total measure of hydrocarbon amount and the non-recoverable measure of hydrocarbon amount, wherein during the core surfacing pore pressure reduces from a reservoir condition to a surface condition.

Abstract: The present disclosure provides a high-pressure helium shale porosity testing device and method. The device comprises a reference cylinder, a pressure cylinder, a sample cylinder, a differential pressure sensor, a pressure gauge, an venting and vacuumizing system, a temperature control system and a tubing and valve system, wherein the reference cylinder is respectively connected with a helium source, the pressure cylinder and the sample cylinder through the tubing and valve system, the differential pressure sensor is configured to measure changes of pressure difference between the sample cylinder and the pressure cylinder, the pressure gauge is configured to measure pressure at the pressure cylinder, the sample cylinder is further connected with the venting and vacuumizing system through the tubing and valve system, and the temperature control system is used for controlling the temperature of the whole device.

Abstract: It discloses a hypergravity experimental apparatus and experimental method for interaction between brittle deformation and ductile deformation. The experimental apparatus comprises an experiment module, a control device and a drive device; the drive device comprises a centrifuge for generating a hypergravity environment and a hydraulic press for generating extensional/compressional force in an experiment box; the control device comprises a control terminal, a control cabinet and a hydraulic control station for controlling the operation of the drive device; the experiment module is provided with an experiment box and a transmission device therein, and the transmission device converts a vertical lifting force generated by a hydraulic cylinder controlled by the hydraulic press in the drive device into a horizontal pushing-pulling force.

Abstract: Methods and systems for determining the integrity of a filter device are provided.

Abstract: A method for determining a rock property includes positioning a core sample in a core sample assembly that is enclosed in a pressurized container with a flow inlet, a flow outlet, and a pressurized fluid inlet fluidly coupled to a pressurized fluid reservoir that includes a pressurized fluid pump; sequentially performing at least three test operations on the core sample; at each of the at least three test operations, measuring an inlet pressure at the flow inlet, measuring an outlet pressure at the flow outlet, and measuring a confining pressure within the pressurized container; and determining a permeability of the core sample based at least in part on at least one of the measured inlet pressures, at least one of the measured outlet pressures, and at least one of the measured confining pressures.

Abstract: A loading station for forming a fiber mass for micronaire testing. The loading station has a hopper for receiving an unformed fiber mass. A forming chamber receives the unformed fiber mass from the hopper. The forming chamber includes a non-movable back wall and a non-movable bottom plate with ports formed therein. The ports draw an airflow from the hopper into the forming chamber. A selectively movable isolation plate isolates the forming chamber from the hopper, and a selectively movable horizontal forming wall horizontally compacts the fiber mass into a desired horizontal cross-section. A selectively movable vertical forming wall vertically compacts the fiber mass into a desired vertical cross-section. A selectively movable plunger presses axially along the shaped fiber mass.

Abstract: The present invention discloses a simulation device for a preferential flow of a fissured-porous dual-permeability media and an experimental method, and belongs to the technical field of geological engineering. The simulation device comprises a support. The support is detachably connected with a transparent container. The interior of the transparent container is filled with a fissured-porous dual-permeability media experimental model. The top of the transparent container is open. A spraying device is arranged above the transparent container. Liquid rapid outflow ports are formed in the bottom of the transparent container and are connected with a liquid collection device. The present invention further discloses an experimental method of the simulation device and a manufacturing method of the fissured-porous dual-permeability media experimental model. The simulation device of the present invention can highlight and enhance the preferential flow experiment effect.

Abstract: One embodiment provides a system, including: at least two water analyzers, wherein at least one of the at least two water analyzers is positioned upstream of a purification apparatus and wherein at least another of the at least two water analyzers is positioned downstream of the purification apparatus; at least one processor; and a memory device that stores instructions executable by the processor to: receive water analysis data from the at least two water analyzers, wherein the water analysis data comprises information related to membrane integrity; identify an algorithm for calculating membrane integrity based upon received data corresponding to system attributes; and calculate, using the identified algorithm, the membrane integrity based upon the received water analysis data. Other aspects are described and claimed.

Abstract: Determination of transport phenomena properties in porous media is one major objective of core analysis studies in petrophysics, reservoir engineering, and groundwater hydrology. Porosity measurement may be considered as a key factor to identify the hydraulic performance of a low permeable porous medium (e.g. rock or concrete). Additionally, the rate of absorption under pressure depends on the permeability, which is related to the connectivity between the existing pores within the porous structure. An alternative Gas Expansion Induced Water Intrusion Porosimetry (GEIWIP) method and apparatus is useful to measure the total porosity and pore size distribution, using a gas/water intrusion apparatus for water tight materials.

Abstract: The present invention provides a sensing device for detecting an analyte containing a non-metallic element such as F. A working sensor has a 3D array of voids each having a void internal wall. The void internal walls have cavities each having a cavity internal wall made from a material containing the non-metallic element. A binding of the analytes to the cavities induces a detectable variation of the optical property of the 3D array of voids. The invention exhibits numerous technical merits such as high sensitivity, high specificity, fast detection, ease of operation, low power consumption, zero chemical release, and low operation cost, among others.

Abstract: The present disclosure provides a method for recovering a porosity evolution process of sequence stratigraphy of carbonate rocks. The method comprises: a step of establishing a sequence stratigraphic framework of carbonate rocks; a step of dividing diagenetic stages; a step of simulating diagenesis and porosity evolution with increasing reservoir thickness and continuous superposition of multiple reservoirs during cyclic rise and fall of sea level to obtain a simulation result; and a step of calculating the porosity evolution in space over time by using the simulation result as initial values for simulation of diagenetic evolution process and simulating in stages and continuity the multi-stage diagenetic evolution process that the carbonate rock strata undergo after sediment based on the divided diagenetic stages.

Abstract: The disclosure relates to a soft rock shear rheological test system with simulation of coupled rainfall seepage and blasting vibrations, which is at least provided with a loading device and a shear box. The loading device includes a frame (2), a normal static load electric cylinder (1) disposed on a top of the frame (2) and a normal dynamic load electric cylinder (16) disposed on a lower portion of the frame (2), a horizontal static load electric cylinder (5) and a horizontal dynamic load electric cylinder (12) disposed on both sides of the frame (2), and a reaction post (10). This test system can perform a dry-wet cycle operation on the test specimen without disassembling the shear box during the shear rheological test, and can truly simulate influences of rainfall seepage and blasting vibrations on the shear rheological effect of soft rock.

Abstract: Methods of estimating permeability of reservoir rocks using mercury injection capillary pressure can include: receiving mercury injection capillary pressure test data and porosity data for a core sample; determining a fractal dimension (D) for the core sample based on the received mercury injection capillary pressure test data for the core sample; determining a pore throat radius (Rd) for the core sample; determining a composite parameter (?) for the core sample where ? = ? ? R d ( D - 2 ) ; and estimating permeability (K) of the core sample based on a relationship of ln(K) as a function of ln(?) determined by performing a regression analysis data from other core samples from the reservoir.

Abstract: There is provided an evaluation method for permeability of a porous membrane that separates a first flow channel and a second flow channel, the evaluation method including supplying a pressure to a liquid inside the first flow channel and acquiring a change that occurs in a liquid accommodated in the second flow channel as an evaluation indicator of permeability of the porous membrane.

Abstract: A method for inspecting a separation membrane structure includes an assembly step of sealing a separation membrane structure that includes a porous substrate and a separation membrane into a casing, and an inspection step of applying pressure to an inspection liquid that has filled a first main surface side of the separation membrane.

Abstract: The invention relates to a method of analyzing a rock sample, comprising:—placing a rock sample (2) containing a first fluid into a cell (1);—feeding the cell (1) with at least one second fluid and withdrawing said second fluid from the cell (1), leaving the rock sample (2) immersed in the second fluid; and—measuring an amount of first fluid spontaneously released from the rock sample (2). The invention also relates to an apparatus adapted for implementing this method.

Abstract: A sensor module includes a sensor that detects a first component, a first flow channel to supply a sample fluid to the sensor, and a second flow channel to supply a reference fluid to the sensor. The reference fluid includes a second component different from the first component included in the sample fluid. The second flow channel includes a first filter that reduces the amount of the first component in the reference fluid.

Abstract: A device for measuring the membrane fouling index which can measure the modified fouling index (MFI) and the silt density index (SDI) at the same time and quantify the degree of membrane fouling caused by various kinds of membrane fouling materials, such as particulate materials, colloids, organic matters, and so on, in a short period of time.

Abstract: Systems and methods for testing shear bond strength of cement with a composite sample under downhole conditions form a bonding surface of the sample oriented at an angle between 50 and 70 degrees from a plane perpendicular to a longitudinal axis of the sample. The composite sample is formed by bonding the cement to the sample with the cement in contact with the bonding surface of the sample.

Abstract: Techniques for analyzing a sample include preparing a sample; circulating a gel solution through the sample to saturate the sample; scanning the saturated sample with a nuclear magnetic resonance (NMR) system to determine two or more NMR values of the saturated sample; determining a permeability of the saturated sample based, at least in part, on the two or more NMR values of the saturated sample; aging the saturated sample; scanning the aged sample with the NMR system to determine two or more NMR values of the aged sample; determining a permeability of the aged sample based, at least in part, on the two or more NMR values of the aged sample; comparing the determined permeability of the saturated sample against the determined permeability of the aged sample; and based on the compared permeabilities, determining a gel solution syneresis rate.

Abstract: Wellbore pressure surge simulation systems, methods to perform pressure surge simulations, and methods to configure pressure surge simulation systems are disclosed. A wellbore pressure surge simulation system includes a core chamber configured to store a core sample of a downhole formation inside the core chamber. The wellbore pressure surge simulation system also includes a fluid chamber that is fluidly connected to the core chamber and having a first compartment that is configured to store a first fluid and a second compartment that is configured to store a second fluid. The wellbore pressure surge simulation system further includes a wellbore chamber positioned adjacent to the core chamber and configured to store the first fluid. The wellbore pressure surge simulation system further includes a flow restrictor configured to restrict fluid flow from the wellbore chamber.

Abstract: A method of integrity testing a porous material is disclosed, providing a porous material suitable for filtration to be tested, said porous material having a first surface and a second surface; wetting said porous material with a wetting liquid; providing a gas stream comprising at least first and second gases humidified with said wetting liquid below the saturation vapor pressure of said wetting liquid and wherein said humidified gas stream has a humidity of 50-99%; introducing said gas stream to said first surface of said porous material; causing said first and second gases to flow through said porous material; measuring the concentration of at least one of said first and second gases in the permeate stream exiting said second surface of said porous material; and comparing the measured concentration to a predetermined concentration.

Abstract: A test device and a calibration method thereof are disclosed. The test device for calibrating a test equipment, which is used to test a waterproof level of an electronic apparatus, comprises: at least two plates stacked together, in corresponding positions of which holes are formed; and at least one layer of waterproof mesh, which is sandwiched between two adjacent plates and covers the holes.

Abstract: In some embodiments, a system includes a housing having a cavity defined therein for holding a test sample, a first inlet in fluid communication with the cavity to deliver fluid to the test sample, a second inlet in fluid communication with the cavity to deliver fluid to the test sample, the first inlet configured to deliver fluid to the test sample in a direction substantially perpendicular to a direction that the second inlet is configured to deliver fluid to the test sample, an outlet in fluid communication with the cavity to receive fluid from the test sample, and a force applicator configured to apply compressive force to the test sample within the cavity. The force applicator forms a seal with the housing while applying compressive force to the test sample. The system also comprises at least one sensor configured to, while fluid flows from at least one of the inlets through the test sample to the outlet, determine a fluid characteristic, a test sample characteristic, or any combination thereof.

Abstract: An apparatus for evaluating gas barrier properties, a support having a polymer for supporting a sample, a chamber on a permeation side, and a detection unit, the support being joined to the opening of the chamber on a permeation side; in which a polymer film is provided between the support and a sample; a chamber on a supply side is provided, being disposed so as to be closably attachable to the sample and able to go up and down; and an external chamber covers a region interposed between the polymer film and the support; and a method of evaluating gas barrier properties using the same.

Abstract: In example implementations, a computing system is provided. The computing system includes at least one electronic component, a fan and a filter. The electronic component generates heat that is cooled by an air flow within the computing system that is generated by the fan. The filter is located in a path of the air flow. The filter includes a filter mesh with a strain gauge that is encapsulated and incorporated into the filter mesh to measure an amount that the filter mesh is clogged.

Abstract: A system and method for surface characterization of a porous solid or powder sample using flowing gas include mass flow controllers configured to deliver a controllable mass flow of a carrier gas and adsorptive gas to vary concentration of the adsorptive gas flowing through at least one measurement channel containing a sample cell. A concentration detector downstream of the sample cell provides a signal indicative of the adsorptive gas concentration to a controller that determines the amount of adsorptive gas adsorbed and/or desorbed to characterize the surface area, pore volume, pore volume distribution, etc. of the sample material. The detector may include a housing, heat exchanger, thermal conductivity detector, and a temperature regulator.

Abstract: A testing device, a testing method, and a design method for a rotary pressure filter. The device includes a stabilizer tank; a buffer tank connected to the stabilizer tank; a filter frame disposed beneath the buffer tank, and connected to the buffer tank; a liquid receiving tank disposed beneath the filter frame; an electronic balance disposed at bottom of the liquid receiving tank; and a seconds counter. The testing method includes adding a certain calculated amount of testing slurry into the filter frame, introducing a gas with a certain pressure into the stabilizer tank, filling the filter frame through the buffer tank, opening a valve at bottom of the filter frame, measuring a mass of the expelled filtrate expelled from the filter frame, measuring time of the filtering process, sampling and analyzing the filter cake and the expelled filtrate according to actual needs; and perform cleaning and drying processes sequentially.

Abstract: The present invention comprises a test for evaluating spontaneous hydraulic fracturing fluid imbibition and oil displacement method and apparatus utilizing a composite core with a pressurized Amott cell test.

Abstract: A measurement cell includes: an enclosure; a flexible membrane disposed in the enclosure so as to contain a hardenable material; and means for stiffening the membrane configured to assume two alternative states: a stiffness state, in which the stiffening means resist the expansion of the hardenable material during solidification; and a flexible state, in which the stiffening means exert a stress that is less than that exerted in the stiffness state allowing at least one physical, chemical or mechanical property of the hardenable material to be measured and the hardenable material to be extracted from the enclosure; the stiffening means being produced by a set of metal wires connected to a clasp configured to modify the stiffness exerted by the metal wires.

Abstract: A kit is provided that includes a protective material having opposite first and second surfaces, a contaminant for application to the first surface of the protective material, a sorbent pad for placement in contact with the second surface of the protective material, and a multi-point pin technology (MPPT) device configured to press the protective material against the sorbent pad in order to permit the sorbent pad to detect any permeation of the contaminant through the protective material. The MPPT device includes at least one plate having a plurality of apertures, and pins inserted in and slidably displaceable along the apertures independently of one another to press the protective material against the sorbent pad. Also provided are an apparatus made from the kit and methods of using the kit and apparatus.

Abstract: A filter module analysis system configured for the analysis of a filter module having a filter element contained within a housing, the housing having an inlet, a clean outlet and a waste outlet. A clean outlet sensor assembly can be provided about the clean outlet, and a waste outlet sensor assembly can be provided about the waste outlet. A data collection and network communication mechanism can be configured to receive process and receive data from the clean and waste outlet sensor assemblies and transmit the data over a network to a server form storage and processing filter module statuses based on flow detected flow parameters.

Abstract: An irregular rock sample high-pressure permeation device with an adjustable flow direction and a test method thereof are provided, wherein two blocking mechanisms I and two blocking mechanisms II are arranged inside a cylinder body; partitioning plates are respectively arranged on both sides of each of the blocking mechanisms I; water blocking plates are respectively arranged at both sides of each of the blocking mechanisms I; one end of each of the water blocking plates is connected to the sidewall of each of the partitioning plates, and the other end of each of the water blocking plates is connected to an internal portion of the cylinder body; a water injection pipe is disposed between the water blocking plates on a same side. The present invention combines flexible film amorphous close fit properties and easy charging and discharging of free gas.