| Patent application number | Description | Published |
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| 20120242822 | MONITORING AND DETECTION OF MATERIALS USING HYPERSPECTRAL IMAGING - Apparatus and methods for imaging and characterizing materials when performing subterranean operations are disclosed. A method for analyzing gaseous emissions from a subterranean formation comprises positioning a hyperspectral image capturing mechanism to monitor an area of interest and detecting presence of one or more materials of interest in the area of interest using the hyperspectral image. The amount of the one or more materials of interest in the area of interest is then quantified. | 09-27-2012 |
| 20130032333 | METHODS FOR MONITORING BACTERIA USING OPTICOANALYTICAL DEVICES - In or near real-time monitoring of fluids can take place using an opticoanalytical device that is configured for monitoring the fluid. Fluids can be monitored prior to or during their introduction into a subterranean formation using the opticoanalytical devices. Produced fluids from a subterranean formation can be monitored in a like manner. Specifically, bacteria can be monitored in fluids using opticoanalytical devices. The methods can comprise exposing water to a bactericidal treatment, and after exposing the water to the bactericidal treatment, monitoring live bacteria in the water using an opticoanalyfical device that is in optical communication with the water. Optionally, the water can be introduced into a subterranean formation. | 02-07-2013 |
| 20130284894 | Devices Having One or More Integrated Computational Elements and Methods for Determining a Characteristic of a Sample by Computationally Combining Signals Produced Therewith - Optical computing devices containing one or more integrated computational elements may be used to produce two or more detector output signals that are computationally combinable to determine a characteristic of a sample. The devices may comprise a first integrated computational element and a second integrated computational element, each integrated computational element having an optical function associated therewith, and the optical function of the second integrated computational element being at least partially offset in wavelength space relative to that of the first integrated computational element; an optional electromagnetic radiation source; at least one detector configured to receive electromagnetic radiation that has optically interacted with each integrated computational element and produce a first signal and a second signal associated therewith; and a signal processing unit operable for computationally combining the first signal and the second signal to determine a characteristic of a sample. | 10-31-2013 |
| 20130284895 | Methods and Devices for Optically Determining A Characteristic of a Substance - Optical computing devices are disclosed. One exemplary optical computing device includes an electromagnetic radiation source configured to optically interact with a sample and at least two integrated computational elements. The at least two integrated computational elements are configured to produce optically interacted light and further configured to be associated with a characteristic of the sample. The optical computing device further includes a first detector arranged to receive the optically interacted light from the at least two integrated computational elements and thereby generate a first signal corresponding to the characteristic of the sample. | 10-31-2013 |
| 20130284896 | Methods and Devices for Optically Determining A Characteristic of a Substance - Optical computing devices are disclosed. One exemplary optical computing device includes an electromagnetic radiation source configured to optically interact with a sample and at least two integrated computational elements. The at least two integrated computational elements may be configured to produce optically interacted light, and at least one of the at least two integrated computational elements may be configured to be disassociated with a characteristic of the sample. The optical computing device further includes a first detector arranged to receive the optically interacted light from the at least two integrated computational elements and thereby generate a first signal corresponding to the characteristic of the sample. | 10-31-2013 |
| 20130284897 | Methods and Devices for Optically Determining A Characteristic of a Substance - Optical computing devices are disclosed. One exemplary optical computing device includes an electromagnetic radiation source configured to optically interact with a sample and at least two integrated computational elements. The at least two integrated computational elements are configured to produce optically interacted light and further configured to be associated with a characteristic of the sample. The optical computing device further includes a first detector arranged to receive the optically interacted light from the at least two integrated computational elements and thereby generate a first signal corresponding to the characteristic of the sample. | 10-31-2013 |
| 20130284898 | Methods and Devices for Optically Determining A Characteristic of a Substance - Optical computing devices are disclosed. One exemplary optical computing device includes an electromagnetic radiation source configured to optically interact with a sample and at least two integrated computational elements. The at least two integrated computational elements may be configured to produce optically interacted light, and at least one of the at least two integrated computational elements may be configured to be disassociated with a characteristic of the sample. The optical computing device further includes a first detector arranged to receive the optically interacted light from the at least two integrated computational elements and thereby generate a first signal corresponding to the characteristic of the sample. | 10-31-2013 |
| 20130284899 | Methods and Devices for Optically Determining A Characteristic of a Substance - Optical computing devices are disclosed. One exemplary optical computing device includes an electromagnetic radiation source configured to optically interact with a sample and first and second integrated computational elements arranged in primary and reference channels, respectively. The first and second integrated computational elements produce first and second modified electromagnetic radiations, and a detector is arranged to receive the first and second modified electromagnetic radiations and generate an output signal corresponding to the characteristic of the sample. | 10-31-2013 |
| 20130284900 | Methods and Devices for Optically Determining A Characteristic of a Substance - Optical computing devices are disclosed. One exemplary optical computing device includes an electromagnetic radiation source configured to optically interact with a sample and first and second integrated computational elements arranged in primary and reference channels, respectively. The first and second integrated computational elements produce first and second modified electromagnetic radiations, and a detector is arranged to receive the first and second modified electromagnetic radiations and generate an output signal corresponding to the characteristic of the sample. | 10-31-2013 |
| 20130284901 | Methods and Devices for Optically Determining A Characteristic of a Substance - Optical computing devices are disclosed. One exemplary optical computing device includes an electromagnetic radiation source configured to optically interact with a sample and first and second integrated computational elements arranged in primary and reference channels, respectively, the first and second computational elements are configured to be either positively or negatively correlated to the characteristic of the sample. The first and second integrated computational elements produce first and second modified electromagnetic radiations, and a detector is arranged to receive the first and second modified electromagnetic radiations and generate an output signal corresponding to the characteristic of the sample. | 10-31-2013 |
| 20130284904 | Methods and Devices for Optically Determining A Characteristic of a Substance - Optical computing devices are disclosed. One exemplary optical computing device includes an electromagnetic radiation source configured to optically interact with a sample and first and second integrated computational elements arranged in primary and reference channels, respectively, the first and second computational elements are configured to be either positively or negatively correlated to the characteristic of the sample. The first and second integrated computational elements produce first and second modified electromagnetic radiations, and a detector is arranged to receive the first and second modified electromagnetic radiations and generate an output signal corresponding to the characteristic of the sample. | 10-31-2013 |
| 20130286398 | Imaging Systems for Optical Computing Devices - Optical computing devices are disclosed. One optical computing device includes an electromagnetic radiation source that emits electromagnetic radiation into an optical train to optically interact with a sample and at least one integrated computational element, the sample being configured to generate optically interacted radiation. A sampling window is arranged adjacent the sample and configured to allow transmission of the electromagnetic radiation therethrough and has one or more surfaces that generate one or more stray signals. A first focal lens is arranged to receive the optically interacted radiation and the one or more stray signals and generate a primary focal point from the optically interacted radiation. A structural element defines a spatial aperture aligned with the primary focal point such that the optically interacted radiation is able to pass therethrough while transmission of the one or more stray signals is substantially blocked by the structural element. | 10-31-2013 |
| 20130286399 | Imaging Systems for Optical Computing Devices - Optical computing devices are disclosed. One optical computing device includes an electromagnetic radiation source that emits electromagnetic radiation into an optical train to optically interact with a sample and at least one integrated computational element, the sample being configured to generate optically interacted radiation. A sampling window is arranged adjacent the sample and configured to allow transmission of the electromagnetic radiation therethrough and has one or more surfaces that generate one or more stray signals. A first focal lens is arranged to receive the optically interacted radiation and the one or more stray signals and generate a primary focal point from the optically interacted radiation. A structural element defines a spatial aperture aligned with the primary focal point such that the optically interacted radiation is able to pass therethrough while transmission of the one or more stray signals is substantially blocked by the structural element. | 10-31-2013 |
| 20130287061 | Devices Having an Integrated Computational Element and a Proximal Interferent Monitor and Methods for Determining a Characteristic of a Sample Therewith - The output of optical computing devices containing an integrated computational element can be corrected when an interferent substance or condition is present. The devices may comprise an optional electromagnetic radiation source; a sample detection unit comprising an integrated computational element and a detector configured to receive electromagnetic radiation that has optically interacted with the integrated computational element and produce a sample signal associated therewith; an interferent monitor located proximal to the sample detection unit, the interferent monitor being configured to produce an interferent signal associated with an interferent substance; and a signal processing unit operable to convert the interferent signal into an interferent input form suitable for being computationally combined with the sample signal, the signal processing unit being further operable to computationally combine the sample signal and the interferent input form to determine a characteristic of a sample in real-time or near real-time. | 10-31-2013 |
| 20130323484 | METHOD FOR FABRICATION OF A MULTIVARIATE OPTICAL ELEMENT - A method for fabricating an optical element including selecting a lamp spectrum and bandpass filter spectrum, obtaining a spectral characteristics vector to quantify the concentration of a component in a sample and obtaining a target spectrum from the lamp spectrum, the bandpass filter spectrum, and the spectral characteristics vector, is provided. Further including selecting a number of layers less than a maximum value, and performing an optimization routine using the index of refraction and thickness of each of the number of layers until an error between a model spectrum and the target spectrum is less than a tolerance value, or a number of iterations is exceeded. And reducing the number of layers if the error is less than a tolerance and stopping the procedure if the number of iterations is exceeded. A device using an optical element for optically-based chemometrics applications fabricated using the method above is also provided. | 12-05-2013 |
| 20130340518 | DOWNHOLE FORMATION FLUID CONTAMINATION ASSESSMENT - The present invention relates to a method of detecting synthetic mud filtrate in a downhole fluid including placing a downhole tool into a wellbore, introducing a downhole fluid sample into the downhole tool, analyzing the downhole fluid sample in the downhole tool, producing at least two filtrate markers from the analyzing of the downhole fluid sample and converting the at least two filtrate markers by vector rotation to a sufficiently orthogonal signal. The first pumped fluid sample giving initial plateau readings can be a proxy for 100% drilling fluid having an initial orthogonal signal and subsequent samples can be converted to orthogonal signals that are referenced to the first pumped fluid signal to give a calculation of percent contamination of the formation fluid. | 12-26-2013 |
| 20140020954 | APPARATUS AND METHODS FOR LITHOLOGY AND MINERALOGY DETERMINATIONS - A method of characterizing a formation is disclosed. A well bore is drilled in the formation. Cuttings are retrieved from the well bore while drilling the formation and a hyperspectral image of the cuttings is continuously obtained. The hyperspectral image of the cuttings is analyzed to determine formation characteristics. | 01-23-2014 |
| 20140042323 | METHOD AND APPARATUS TO USE MULTIPLE SPECTROSCOPIC ENVELOPES TO DETERMINE COMPONENTS WITH GREATER ACCURACY AND DYNAMIC RANGE - A method of using spectroscopic envelopes for determining components in a sample may include selecting spectroscopic envelopes and passing input light through a sample comprising at least one absorbing component is provided. The method includes measuring throughput light with a photo-detector and determining the concentration of the at least one absorbing component in the sample using the measured throughput, wherein at least one of the plurality of spectroscopic envelopes overlaps at least one absorption band of the at least one absorbing component in the sample. An apparatus for determining components in a sample including an input light source having a spectrum and a sample container having a fixed optical path-length is also provided. The apparatus may include a plurality of pre-selected spectroscopic envelopes to select spectral portions of the throughput light from the sample; and at least one photo-detector to measure the throughput light selected by the spectroscopic envelopes. | 02-13-2014 |
| 20140076549 | Systems and Methods for In Situ Monitoring of Cement Slurry Locations and Setting Processes Thereof - Optical analysis systems may be useful in monitoring fluids relating to cementing operations in or near real-time, e.g., for location and/or the status of a cement setting process. For example, method may involve containing a cement slurry within a flow path, the cement slurry having a chemical reaction occurring therein; and optically interacting the cement slurry with an integrated computational element, thereby generating an output signal corresponding to a characteristic of the chemical reaction. | 03-20-2014 |
| 20140076550 | Systems and Methods for Detecting Microannulus Formation and Remediation - Optical analysis systems may be useful in detecting microannulus formation in a wellbore casing and remediating a microannulus. In some instances, a system may include a cement sheath disposed about and in contact with at least a portion of an exterior surface of a casing; and at least one optical computing device arranged coupled to the casing, the at least one optical computing device having at least one integrated computational element configured to optically interact with a material of interest and thereby generate 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 material of interest, the material of interest comprising at least one selected from the group consisting of the cement sheath, a displacement composition disposed between the cement sheath and the exterior surface of the casing, and any combination thereof. | 03-20-2014 |
| 20140076551 | Systems, Methods, and Apparatuses for In Situ Monitoring of Cement Fluid Compositions and Setting Processes Thereof - Optical analysis systems, methods, and apparatuses for analyzing fluids may be useful for in situ monitoring fluids that relate to cementing operations. For example, a method may include containing a cement fluid composition in a flow path comprising a wellbore; and optically interacting the cement fluid composition with an integrated computational element, thereby generating an output signal corresponding to a characteristic of the cement fluid composition, the integrated computational element being coupled to a tool. | 03-20-2014 |
| 20140110105 | Systems and Methods of Monitoring a Multiphase Fluid - Disclosed are systems and methods for monitoring a multiphase fluid and determining a characteristic of the multiphase fluid. One system includes a flow path containing a fluid, at least one integrated computational element configured to optically interact with the fluid and thereby generate optically interacted light, at least one detector arranged to receive the optically interacted light from the at least one integrated computational element and generate an output signal corresponding to at least one characteristic of a phase of the fluid, and a signal processor communicably coupled to the at least one detector and configured to determine the at least one characteristic of the phase of the fluid. | 04-24-2014 |
| 20140158876 | Methods for Analyzing Substances Containing One or More Organosulfur Compounds Using an Integrated Computational Element - The presence of organosulfur compounds in a substance may make analyses of the substance difficult, particularly in the presence of interfering compounds. Methods for analyzing a substance may comprise: providing a substance comprising an organosulfur compound; optically interacting electromagnetic radiation with the substance and an integrated computational element; and analyzing for the organosulfur compound in the substance using the integrated computational element. | 06-12-2014 |
| 20140195215 | MODELING WELLBORE FLUIDS - Techniques for modeling a wellbore fluid that includes a base fluid and one or more fluid additives includes identifying a target viscosity profile of the wellbore fluid; determining an initial set of values of the fluid additives that are based at least in part on the target viscosity profile; determining, with one or more non-linear predictive models, a computed viscosity profile of the wellbore fluid and a computed set of values of the fluid additives based, at least in part, on the initial set of values of the fluid additives; comparing the computed viscosity profile and at least one of the computed set of values with a specified criteria of the wellbore fluid; and preparing, based on the comparison, an output including the computed viscosity profile and at least one of the computed set of values of a resultant wellbore fluid. | 07-10-2014 |
| 20140263974 | Methods and Devices for Optically Determining a Characteristic of a Substance - Using an optical computing device includes optically interacting electromagnetic radiation with a sample and a first integrated computational element arranged within a primary channel, optically interacting the electromagnetic radiation with the sample and a second integrated computational element arranged within a reference channel, producing first and second modified electromagnetic radiations from the first and second integrated computational elements, respectively, receiving the first modified electromagnetic radiation with a first detector, and receiving the second modified electromagnetic radiation with a second detector, generating a first output signal with the first detector and a second output signal with the second detector, and computationally combining the first and second output signals with a signal processor to determine the characteristic of interest of the sample. | 09-18-2014 |
| 20140294356 | Packaging Systems and Methods for Optical Light Pipes - Disclosed are robust packaging systems and methods for optical elements used in optical light pipes. One optical light pipe includes a housing having opposing first and second ends and a body that extends therebetween, an optical element arranged within the housing, and a reflective coating applied about an outer surface of the optical element. | 10-02-2014 |
| 20140306096 | METHODS AND DEVICES FOR OPTICALLY DETERMINING A CHARACTERISTIC OF A SUBSTANCE - An exemplary optical computing device includes an electromagnetic radiation source that optically interacts with a sample having a characteristic of interest, a first integrated computational element arranged within a primary channel to optically interact with the electromagnetic radiation source and produce a first modified electromagnetic radiation, wherein the first integrated computational element is configured to be positively or negatively correlated to the characteristic of interest, a second integrated computational element arranged within a reference channel to optically interact with the electromagnetic radiation source and produce a second modified electromagnetic radiation, wherein the second integrated computational element is configured to correlated to the characteristic of interest with an opposite sign relative to the first integrated computational element, and a first detector arranged to generate a first signal from the first modified electromagnetic radiation and a second signal from the second modified electromagnetic radiation. | 10-16-2014 |
| 20140311803 | Directing a Drilling Operation Using an Optical Computation Element - Various embodiments include apparatus and methods to operate a tool downhole in a well, where the tool has an optical computation element to determine different properties of downhole structures. Such an optical computation element can be structured to provide optical analysis of fluid and material composition of the downhole environment associated with a drilling operation. The data measurements from the optical computation element can be used in a geosteering operation. Additional apparatus, systems, and methods are disclosed. | 10-23-2014 |
| 20140352953 | Integrated Computational Element Analysis of Production Fluid in Artificial Lift Operations - A downhole pump assembly for pumping production fluid to a surface of a well. The downhole pump assembly includes a fluid pump that is operable to pump the production fluid to the surface. An optical computing device having at least one integrated computational element and at least one detector. The at least one integrated computational element is configured to optically interact with the production fluid proximate the fluid pump and is configured to generate optically interacted light. The at least one detector is arranged to receive the optically interacted light and to generate an output signal corresponding to a characteristic of the production fluid. | 12-04-2014 |
| 20150007631 | SENSOR CONDITIONING APPARATUS, SYSTEMS, AND METHODS - In some embodiments, an apparatus and a system, as well as a method and an article may operate to move fluid from at least one fluid container into a flow line so as to cause the fluid to contact at least one surface having a condition affecting sensor information provided by a sensor. Additional activities may include adjusting operation of a fluid transport mechanism based on the sensor information and baseline information, to continue moving the fluid and change the condition until the fluid is depleted from the at least one fluid container or the sensor information conforms to the baseline information to a selected degree. Additional apparatus, systems, and methods are disclosed. | 01-08-2015 |
