Abstract: A fluid filter that includes a thermoelectric cooler with a cold side and a hot side, an impingement enclosure, disposed against the cold side that includes an inlet adapted to direct a fluid to flow towards the cold side at a first perpendicular angle, and an outlet adapted to direct the fluid to flow away the cold side at a second perpendicular angle, an outlet temperature sensor disposed at the outlet, and a controller operatively connected to the thermoelectric cooler, where the controller is configured to send a command to the thermoelectric cooler to change the power state of the thermoelectric cooler.

Abstract: A variety of methods and systems are disclosed, including, in one example, a method that includes extracting one or more dissolved gases from one or more fluid samples to form one or more extracted gases. The method also includes configuring a dilution rate with an information handling system, automatically diluting the one or more extracted gases with diluent at the dilution rate to form one or more diluted extracted gases and adding the one or more diluted extracted gases to a carrier gas to form sample gas. The method also includes separating one or more components of the sample gas with one or more gas chromatographs, measuring one or more analytes of the sample gas with one or more detectors, and calibrating the one or more gas chromatographs based at least in part on the measuring of the one or more analytes.

Abstract: In general, in one aspect, embodiments relate to a method that includes varying at least a concentration of one or more components of a multi-component sample gas across at least a concentration range while introducing the multi-component sample gas into a gas chromatograph that includes one or more chromatographic columns, measuring concentrations of the one or more components with the gas chromatograph at a first calibration setting, determining one or more non-linearities of the measured concentrations at the first calibration setting, forming a second calibration setting based at least in part on the one or more non-linearities, and measuring concentrations of one or more components of another sample gas with the gas chromatograph at the second calibration setting.

Abstract: Disclosed herein are automated sample cleaning systems and processes after collection of the drilling cuttings from the shale shaker. These automated sample cleaning systems and processes help in delivering a drilling cutting sample that has been cleaned following the same procedure from one drill rig site to another providing consistency on its impact on the compositional analysis of the drilling cutting sample.

Abstract: Some implementations include a method for analyzing cuttings from a plurality of depths while drilling a wellbore in a subsurface formation, the method comprising: obtaining cuttings samples from the plurality of depths while drilling the wellbore in the subsurface formation; performing the following operations for each of the cuttings samples: loading a cuttings sample into a viewing area of a microscope coupled to an image capture device and a computer having a learning machine, performing analyses on the cuttings sample, and capturing, via the image capture device, a plurality of images of the cuttings sample through the microscope. The method further includes outputting a standardized cuttings report generated by the learning machine.

Abstract: A method for analyzing a drilling fluid used in a drilling operation within a subterranean formation by flowing the drilling fluid through a fluid conduit coupled to a drilling assembly; continuously flowing a drilling fluid sample of the drilling fluid from the fluid conduit, wherein the drilling fluid sample comprises a liquid; sending the drilling fluid sample to a bypass, or determining a chemical composition of the drilling fluid using gas chromatography (GC) of the drilling fluid sample, wherein determining the chemical composition of the drilling fluid using GC comprises: destructing the drilling fluid sample to provide a gaseous drilling fluid sample, wherein destructing the drilling fluid sample comprises converting one or more components (e.g., light hydrocarbons) of the drilling fluid sample to a gas; and introducing the gaseous drilling fluid sample to a GC system comprising a GC column to determine the chemical composition of the drilling fluid.

Abstract: A system can displace a headspace associated with a drilling fluid sample with a hydrocarbon blend with a first volume a hydrocarbon gas. The system can also extract the hydrocarbon blend from the head space associated with the drilling fluid sample. The system can further determine a concentration over time of the hydrocarbon gas of the hydrocarbon blend and generating a gas decay curve of the concentration over time of the hydrocarbon gas. Additionally, the system can determine, based on the gas decay curve, a second volume of the at least one hydrocarbon gas. The system may then determine an extraction efficiency correction factor based on a ratio of the first volume to the second volume. The system can correct bias caused by a gas extraction and sampling system during subsequent gas extraction and system operations using the extraction efficiency correction factor.

Abstract: A method comprises obtaining cuttings samples from a plurality of depths while drilling a wellbore in a subsurface formation. The method comprises performing the following operations for each of the cuttings samples, loading a cuttings sample into a container, loading the container into a magnetic susceptibility instrument configured with one or more sensors, and obtaining magnetic susceptibility measurements of the cuttings sample, via the one or more sensors.

Abstract: A concentration of at least one chemical reaction product in a drilling fluid is determined after the drilling fluid has interacted with a plasma discharge produced via one or more electrodes of a drill bit of a pulse power drill string disposed in a wellbore for drilling the borehole. The concentration of the at least one chemical reaction product is correlated to a relation between an arc and a spark of the plasma discharge. The relation between the arc and spark can subsequently be evaluated to determine updates to pulse power drilling parameters and/or to perform formation and drilling fluid evaluation.

Abstract: Systems and methods of the present disclosure generally relate to correcting isotope ratio calculations during wellbore operation. A method for correcting isotope ratios during a wellbore operation, comprising receiving a flow-in fluid sample from a wellbore; receiving a flow-out fluid sample from the wellbore; passing each sample to an analytical instrument operable to determine isotopes in each fluid sample; outputting a signal intensity or signal area; assigning a depth to the signal intensity or the signal area; and determining a corrected isotope ratio by subtracting a signal for the flow-in fluid sample from a signal for the flow-out fluid sample.

Abstract: Embodiments of a gas chromatography system and method are disclosed. The method includes injecting a gas sample into a first gas separation device that includes at least one first hydrocarbon identified for analysis; determining that a concentration level of the first hydrocarbon needs to be reduced; diluting the gas sample with a first amount of a dilutant from a first dilutant mass controller; separating out a subset of chemical species from the first diluted gas sample; injecting the gas sample into a second gas separation device, the sample including at least one second hydrocarbon identified for analysis; determining that a concentration level of the second hydrocarbon needs to be reduced; diluting the gas sample with a second amount of the dilutant from a second dilutant mass flow controller; separating out a subset of chemical species from the second diluted gas sample; analyzing the subsets of the diluted samples.

Abstract: A system can flush a drilling fluid sample with a hydrocarbon blend, which includes a determined concentration of at least one chemical species to generate a flushed drilling fluid sample. The system can extract a dissolved gas from the flushed drilling fluid sample. The system can determine a concentration over time of at least one chemical species of the dissolved gas. The system can generate an area per concentration curve based on the concentration over time of the at least one chemical species. The system can determine at least one concentration value of the at least one chemical species. The system can modify the at least one concentration value based on the area per concentration curve. The system can then correct bias caused by the gas extractor and fluid sampling system.

Abstract: A modular gas detection system includes a primary gas chromatograph, a constant volume extractor positionable to provide a continuous fluid sample to the primary gas chromatograph, and a total hydrocarbon analyzer. The modular gas detection system also includes a processing device and a memory device including instructions executable by the processing device for causing the processing device to perform operations. The operations include adjusting a detection scheme of the primary gas chromatograph to update a detection range for the continuous fluid sample to detect different hydrocarbons within a single column. Further, the operations include controlling routing of the continuous fluid sample from the constant volume extractor to the primary gas chromatograph and the total hydrocarbon analyzer.

Abstract: A drilling system for drilling a well. The drilling system may include a drillstring, a gas detector, and a computer system. The drillstring may include a downhole motor operable to rotate a drill bit and the downhole motor may include a stator and a rotor, at least one of the stator or the rotor comprising an elastomer compound. The gas detector may be operable to detect a gas indicative of deterioration of the elastomer compound. The computer system may be programmed to generate an indication based on the detection of the gas indicative of the deterioration by the gas detector.

Abstract: The present disclosure generally relates to a standalone gas extraction and detection system comprising a gas extraction chamber operable to receive a wellbore fluid and a carrier gas; a gas detection chamber in fluid communication with the gas extraction chamber, the gas detection chamber comprising reflective surfaces operable to receive infrared radiation (IR) and an extracted gas sample from the gas extraction chamber; an open-path detector operable to detect the IR in the gas detection chamber; and a shaft extending through the gas extraction chamber and the gas detection chamber of the standalone gas extraction and detection system.

Abstract: The present disclosure relates to a fluid evaluation system, including: a pump configured to receive drilling fluid that includes formational fluid from a drilling tool and pump the drilling fluid downstream within the evaluation system; a mass flow meter coupled to the output of the pump, the mass flow meter configured to provide a feedback signal to the pump to adjust one or more parameters of the pump such that a constant mass of the drilling fluid is pumped through the pump; a gas extractor coupled to the output of the mass flow meter, the gas extractor configured to separate gas from the drilling fluid; and a gas analytic detector coupled to the output of the gas extractor, the gas analytic detector configured to receive the gas and identify one or more characteristics of the gas.

Abstract: Embodiments of multi-column gas chromatography for analysis of a formation sample are disclosed. In one embodiment, an apparatus comprises a gas chromatography instrument and a controller. The gas chromatography instrument comprises a sample injector; a primary column to separate out a hydrocarbon subset; a secondary column valve coupled to the primary column; a primary detector configured to analyze the hydrocarbons of the subset; a heart cutting unit coupled to the secondary column valve and configured to cut, from the subset, at least one isomer having a weight greater than a threshold; a secondary column coupled to an output of the heart cutting unit configured to separate out the at least one isomer; and a secondary detector configured to analyze the at least one isomer. The controller controls the secondary column valve to output the hydrocarbons to the heart cutting unit in response to at least one trigger event.

Abstract: A system including an image acquisition unit in optical communication with a flow pathway. The system may include at least one illumination source directable toward a shale shaker. The illumination source may emit a light output. A band-stop filter may be affixed to the image acquisition unit to filter out infrared light. The band-stop filter may also allow electromagnetic radiation of the light output to reach the image acquisition unit. An analysis device may be used to determine a volume of downhole particles on the shale shaker using deflections of the light output observed by the image acquisition unit.

Abstract: A system includes a discharge tool positioned within a wellbore and configured to generate an electrical discharge that interacts with a rock formation proximate to the discharge tool, wherein the interaction of the electrical discharge with the rock formation vaporizes a portion of the rock formation to generate a discharge plasma. The system further includes an optical emission spectroscopy (OES) sub-system configured to determine an elemental composition of the portion of the rock formation based on optical emission generated by the discharge plasma, wherein at least a portion of the OES sub-system is positioned within the wellbore.

Abstract: A modular gas detection system includes a primary gas chromatograph, a constant volume extractor positionable to provide a continuous fluid sample to the primary gas chromatograph, and a total hydrocarbon analyzer. The modular gas detection system also includes a processing device and a memory device including instructions executable by the processing device for causing the processing device to perform operations. The operations include adjusting a detection scheme of the primary gas chromatograph to update a detection range for the continuous fluid sample to detect different hydrocarbons within a single column. Further, the operations include controlling routing of the continuous fluid sample from the constant volume extractor to the primary gas chromatograph and the total hydrocarbon analyzer.