Systems and methods are described for isolating a sample at a valve prior to introduction to an analysis system, such as sample analysis via ICP-MS. A system embodiment can include, but is not limited to, a valve system including a first valve in fluid communication with a sample reservoir and a second valve configured to permit and block access of a vacuum source to the first valve; a sensor system configured to detect presence or absence of a fluid at the first valve; and a controller configured to control operation of the second valve to block access of the vacuum source to the first valve upon detection of the fluid at the first valve to isolate the fluid within the sample reservoir.

Described are a fluidic network and a method for aseptic process sampling. The fluidic network includes a sampling valve, filter, manifold and valve control module. A process sample path in the fluidic network includes one or more valve channels and a filter in fluidic communication with the sampling valve. The sampling valve is configurable in a first valve state to receive a process sample into the process sample path from a process source and configurable in a second valve state in which gas and solvent flows may be provided through the process sample path to clean and dry the process sample path to prepare for acquisition of another process sample.

A portable hydrocarbon sampling device may include a first housing with a first bore, a valve housing with a second bore coupled to the first housing, and a cross-flow housing with a third bore coupled to the valve housing to form a continuous flow path. The valve housing includes a valve to open and close the second bore. A cross bore may be coupled to the cross-flow housing, and is perpendicular to the third bore. A probe may be disposed within the continuous flow path and in fluid communication with the cross bore. An actuator housing may be coupled to the cross-flow housing. The actuator housing may include an actuator to extend into the probe. A sampling container fluidly may be coupled to the cross bore at end distal to the cross-flow housing. The sampling container may be configured to collect the fluids from the probe.

A curb stop assembly includes a curb stop valve defining a valve inlet, a valve outlet, and a fluid passageway therebetween; a curb stop sleeve coupled to and extending outward from curb stop valve; and a curb stop rod received in the curb stop sleeve and configured to actuate the curb stop valve between a closed valve configuration and an open valve configuration; wherein, in the closed valve configuration, fluid is prevented from flowing through the fluid passageway, and in the open valve configuration, wherein fluid is permitted to flow through the fluid passageway.

The present invention relates to a test system and method for a biomass-based blended fuel. The system comprises a feeding device, a mixing tank, a light-sensing device, and a control device; the feeding device comprises at least two fuel bottles; the fuel bottle is connected to the mixing tank by means of an oil pipe; the correspondingly connected oil pipe of each fuel bottle is provided with a flow valve; the light-sensing device comprises a laser disposed above the mixing tank, a light-reflecting mechanism disposed at the bottom in the mixing tank, and a light-sensing mechanism disposed at one side of the light reflecting mechanism; the output end of the light-sensing mechanism is signaled with the input end of the control device; the input end of the laser and the input end of the flow valve is separately signaled with the output end of the control device.

A portable, hydrocarbon well test unit for use with high temperature and high-pressure hydrocarbon wellbore flow includes a two-phase separator unit having a hydrocarbon inlet, a vapor outlet and a liquid outlet. A static mixer is in fluid communication with the liquid outlet. A liquid sampler positioned downstream of the static mixer ensures that liquid and gas are mixed to accurately represent a sample of the wellbore hydrocarbon flow. The sampler can be actuated to extract a sample of the mixed fluid. The sampler directs samples to a multi-position valve having a plurality of valve outlets, each outlet being in fluid communication with one of a plurality of sample bottles. A controller actuates the multi-position valve to direct a sample into a particular sample bottle, thereby allowing different types of samples to be taken over different time periods without the need for intervention for extended periods of time.

Online measurement of dispersed oil phase in produced water can be implemented a method on-site of a flowline transporting a fluid that includes dispersed oil in water. A sample of the fluid flowed through the flowline is obtained. The sample includes the oil phase and the water phase. The sample is combined with a chemical element that can separate the oil phase in the sample from the water phase in the sample. The separated oil phase and the chemical element are transferred into a measurement cell. The chemical element is removed from the measurement cell. After the chemical element is removed from the measurement cell, a quantity of the oil phase in the sample in the measurement cell is determined by a capacitive measurement technique. The determined quantity of the oil phase in the sample is provided.

The disclosure provides a method for determining a composition of a fluid. The method comprises diverting a sample of a portion of the fluid to a test chamber. The method further comprises actuating a heat source disposed around the test chamber to increase the temperature within the test chamber to produce vapors from the sample of the portion of the fluid and directing the vapors from the sample of the portion of the fluid to a chemical sensor array comprising one or more chemical sensors. The method further comprises determining a composition of the vapors from the sample of portion of the fluid, wherein the composition of the vapors is associated with the composition of the fluid.

An access port for a fluid system having a sidewall defining a fluid cavity is provided. A probe receiver, having an inner passage with a valve seat and a chamber adjacent to the valve seat and in fluid communication with the inner passage, is connected to the sidewall of the fluid system. The chamber has an opening in communication with the fluid cavity and a valve member biased to a seated position that moves within the chamber to an unseated position. A probe is connected to the probe receiver and extends through the inner fluid passage of the probe receiver into the chamber. When the probe body is inserted into the probe receiver it moves the valve member to the unseated position and the valve member and a portion of the probe body traverse the opening. When the probe body is removed, the valve member returns to the seated position.

An apparatus (1) for taking a sample (2) of milk (4) that flows through a milk line (6), wherein the apparatus comprises a main valve (8) comprising a first valve inlet (10) and a first valve outlet (12), the apparatus being configured for including the main valve in a milk flow path of the milk line by placing the first valve inlet in fluid communication with a first open end (16) of the milk line and placing the first valve outlet in fluid communication with a second open end (18) of the milk line, the first open end being located upstream of the second open end in the milk flow path, the apparatus further comprising a sample collecting chamber (20) for receiving the sample of the milk, the sample collecting chamber being provided with a sample collecting chamber inlet (22) and at least one sample collecting chamber outlet (24), and the main valve further comprising a second valve outlet (26), the second valve main valve is configured to selectively swatch between a first and a second state, wherein in the first state the first valve inlet is in fluid communication with the first valve outlet so that the milk can flow through the milk line without a sample being taken and wherein in the second state the first valve inlet is in fluid communication with the second valve outlet for supplying milk from the milk line to the sample collecting chamber and wherein the apparatus is configured to selectively place or not place the sample collecting chamber outlet in fluid communication with the milk line downstream of the main valve for leading back to the milk line excess milk of a milk sample which is in the sample collecting chamber.