Abstract:
Downhole tool is provided that includes a body, an intake port for receiving fluid from external the body, a pump, a filtration device, and an exit port. The pump is in fluid communication with the intake port for withdrawing fluid through the intake port. The filtration device has a particulate removing filter, and a flow line extending from the intake port to the filtration device. The filtration device is contained within the body and is in fluid communication with the intake port. The exit port is in fluid communication with the filtration device for ejecting the fluid to external the body.
Abstract:
Systems and methods for measuring a characteristic of a fluid are provided. The system includes a plurality of waveguides embedded in a substrate, and an exposed surface of the substrate comprising a portion of a side surface of at least one of the plurality of waveguides. The system also includes a sensitized coating in the at least one of the plurality of waveguides. The exposed surface is curved in a direction perpendicular to a light propagation in the waveguide. A method of fabricating a system as above is also provided.
Abstract:
Downhole tool is provided that includes a body, an intake port for receiving fluid from external the body, a pump, a filtration device, and an exit port. The pump is in fluid communication with the intake port for withdrawing fluid through the intake port. The filtration device has a particulate removing filter, and a flow line extending from the intake port to the filtration device. The filtration device is contained within the body and is in fluid communication with the intake port. The exit port is in fluid communication with the filtration device for ejecting the fluid to external the body.
Abstract:
The embodiments herein relate to formation testers having reactive filter materials for detecting analytes in subterranean formation operations. The formation include a body having an outlet, a probe extendable from the body and having a sealing pad and a probe snorkel tube, a flow line within the body, wherein the flow line has an entry end connectable to the probe snorkel tube and an exit end connectable to the outlet in the body, a sample chamber fluidically connectable to the flow line downstream of the entry end of the flow line, and a reactive filter material in the flow line downstream of the sample chamber. The reactive filter material sorbs an analyte in a wellbore fluid.
Abstract:
A tool including a probe deployable within a wellbore and an optical analysis device coupled to the probe is provided. The optical analysis device includes a two-dimensional (2D) waveguide layer to transmit and to disperse an electromagnetic radiation according to wavelength and including detector elements disposed along an edge, each detector element providing a signal associated with a pre-determined wavelength portion of the electromagnetic radiation. The optical analysis device also includes a substrate layer electrically coupled to receive the signal from each of the detector elements and form a spectrum of the electromagnetic radiation with the processor. A method for using the tool in a wellbore application, a pipeline application, or a reservoir storage application is also provided.
Abstract:
Technologies are described for controlling temperature of ICEs during ICE fabrication. In one aspect, a method includes receiving a design of an integrated computational element (ICE), the ICE design including specification of a substrate and a plurality of layers, their respective target thicknesses and complex refractive indices, where complex refractive indices of adjacent layers are different from each other, and where a notional ICE fabricated in accordance with the ICE design is related to a characteristic of a sample; forming at least some of the plurality of layers of an ICE in accordance with the ICE design; and controlling, during the forming, a temperature of the formed layers of the ICE such that the ICE, when completed, relates to the characteristic of the sample.
Abstract:
The embodiments herein relate to sensors having reactive filter materials for detecting analytes in wellbores. The sensor includes at least one reactive filter material arranged in a flow line, wherein the reactive filter material sorbs an analyte in a wellbore fluid in the flow line; and at least one detector that detects a sorption signal specific to the analyte at at least a first location and a second location of the reactive filter material, wherein the first location is upstream in the flow line relative to the second location. The detector either (1) calculates a balanced measurement corresponding to the presence of the analyte in the wellbore or (2) relays the measurements to a signal processing unit to calculate a balanced measurement corresponding to the presence of the analyte in the wellbore.
Abstract:
A microfluidic optical computing device having a microfluidic layer including a microfluidic channel that receives a portion of a sample, and a method for using it are provided. The device includes one light source to interact with the portion of the sample in the microfluidic channel to generate a sample interacted light. The device may also include an integrated computational element (ICE) layer including an ICE core, to generate a modified light from the sample interacted light, and a detector layer configured to measure an intensity of the modified light and to generate an output signal corresponding to a characteristic of the sample.
Abstract:
Disclosed are optical computing devices that employ birefringent optical elements configured for use in optical computing devices. One optical computing device includes a polarizer configured to generate at least x polarized light and y polarized light, a birefringent integrated computational element configured to optically interact with a substance and the polarizer, thereby generating optically interacted light, and at least one detector arranged to receive the optically interacted light and generate an output signal corresponding to a characteristic of the substance.
Abstract:
Techniques include receiving a design of an integrated computational element (ICE) including (1) specification of a substrate and multiple layers, their respective target thicknesses and refractive indices, adjacent layer refractive indices being different from each other, and a notional ICE fabricated based on the ICE design being related to a characteristic of a sample, and (2) indication of target ICE performance; forming one or more of the layers of an ICE based on the ICE design; in response to determining that an ICE performance would not meet the target performance if the ICE having the formed layers were completed based on the received ICE design, updating the ICE design to a new total number of layers and new target layer thicknesses, such that performance of the ICE completed based on the updated ICE design meets the target performance; and forming some of subsequent layers based on the updated ICE design.