Abstract:
An example method includes introducing a movable inline inspection device into a pipeline, the movable inline inspection device having a housing that defines a conduit therein which provides fluid communication through the movable inline inspection device in the form of a bypass fluid, the conduit having one or more optical computing devices arranged thereon for monitoring the bypass fluid, wherein each optical computing device has at least one integrated computational element arranged therein, generating an output signal corresponding to a characteristic of the bypass fluid with at least one detector arranged within each optical computing device, receiving the output signal from each optical computing device with a signal processor communicably coupled to the at least one detector of each optical computing device, and determining with the signal processor the characteristic of the bypass fluid detected by each optical computing device.
Abstract:
A light source and a method for its use in an optical sensor are provided, the light source including a resistively heated element. The light source includes a power circuit configured to provide a pulse width modulated voltage to the resistively heated element, the pulse width modulated voltage including: a duty cycle with a first voltage; and a pulse period including a period with a second voltage, wherein: the duty cycle, the first voltage, and the pulse period are selected so that the resistively heated element is heated to a first temperature; and the first temperature is selected to emit black body radiation in a continuum spectral range. Also provided is an optical sensor for determining a chemical composition including a light source as above.
Abstract:
A light source and a method for its use in an optical sensor are provided, the light source including a resistively heated element. The light source includes a power circuit configured to provide a pulse width modulated voltage to the resistively heated element, the pulse width modulated voltage including: a duty cycle with a first voltage; and a pulse period including a period with a second voltage, wherein: the duty cycle, the first voltage, and the pulse period are selected so that the resistively heated element is heated to a first temperature; and the first temperature is selected to emit black body radiation in a continuum spectral range. Also provided is an optical sensor for determining a chemical composition including a light source as above.
Abstract:
An example method includes introducing a movable inline inspection device into a pipeline, the movable inline inspection device having a housing that defines a conduit therein which provides fluid communication through the movable inline inspection device in the form of a bypass fluid, the conduit having one or more optical computing devices arranged thereon for monitoring the bypass fluid, wherein each optical computing device has at least one integrated computational element arranged therein, generating an output signal corresponding to a characteristic of the bypass fluid with at least one detector arranged within each optical computing device, receiving the output signal from each optical computing device with a signal processor communicably coupled to the at least one detector of each optical computing device, and determining with the signal processor the characteristic of the bypass fluid detected by each optical computing device.
Abstract:
Apparatus, systems, and methods may operate to receive interacted energy at an optical calculation device attached to a down hole housing to be deployed in a down hole environment. Further activities may include optically compressing data carried by the interacted energy into at least one orthogonal component, using the optical calculation device, sending a signal associated with the at least one orthogonal component to a remote surface computer, and determining a property of petroleum located in the down hole environment using the remote surface computer, based on the signal. The optical calculation device may comprise a multivariate optical element (MOE). Additional apparatus, systems, and methods are disclosed.
Abstract:
A method includes obtaining a plurality of master sensor responses with a master sensor in a set of training fluids and obtaining node sensor responses in the set of training fluids. A linear correlation between a compensated master data set and a node data set is then found for a set of training fluids and generating node sensor responses in a tool parameter space from the compensated master data set on a set of application fluids. A reverse transformation is obtained based on the node sensor responses in a complete set of calibration fluids. The reverse transformation converts each node sensor response from a tool parameter space to the synthetic parameter space and uses transformed data as inputs of various fluid predictive models to obtain fluid characteristics. The method includes modifying operation parameters of a drilling or a well testing and sampling system according to the fluid characteristics.
Abstract:
Interaction of adsorbing chemicals with a downhole tool presents inaccuracies in the adsorbing chemical measurement and analysis. The principles of the present disclosure provide a method and system of sampling fluids including an adsorbing chemical in a subterranean reservoir. One method may include modeling an interaction between the adsorbing chemical and a downhole tool, applying the model to a measurement of the adsorbing chemical, and adjusting the measurement in response to applying the model.
Abstract:
A microfluidic device and method is described to parallelize a pressure-volume-temperature (“PVT”) analysis such that a portion of the pressure, temperature and volume analysis is performed separately from others. The resulting PVT data is then recombined statistically for a complete PVT analysis. The microfluidic device may also obtain compositional data of the fluid to perform an equation of state analysis or reservoir simulations.
Abstract:
A light source and a method for its use in an optical sensor are provided, the light source including a resistively heated element. The light source includes a power circuit configured to provide a pulse width modulated voltage to the resistively heated element, the pulse width modulated voltage including: a duty cycle with a first voltage; and a pulse period including a period with a second voltage, wherein: the duty cycle, the first voltage, and the pulse period are selected so that the resistively heated element is heated to a first temperature; and the first temperature is selected to emit black body radiation in a continuum spectral range. Also provided is an optical sensor for determining a chemical composition including a light source as above.