Abstract: Described herein is a latex coating composition comprising particles of polymer and articles therefrom, wherein at least 60% of interpolymerized monomeric units of the polymer are of formula I, wherein R3 is H or CH3, L is an alkylene group comprising 1-4 carbon atoms, R1 and R2 are independently selected from an alkyl group comprising 1 to 3 carbon atoms, n is an integer from 11 to 21, and A is a counter anion.

Abstract: Systems and methods for generating synthetic borehole image logs include logging rate of penetration (ROP) data, resistivity data, and gamma ray data while drilling a borehole in a subsurface formation to generate logged data. The generating includes determining an effective dip angle of the subsurface formation along the borehole and generating a depth shift table based on the effective dip angle and a well deviation angle, the well deviation angle being between the borehole and a vertical reference. Datasets are generated based on the ROP data, resistivity data, and gamma ray data, the generated datasets having higher sampling rates than the logged data. Synthetic borehole images are generated based on the generated datasets and the depth shift table, and the synthetic borehole images are oriented with respect to a reference point of the borehole.

Abstract: A steer-by-wire system of a vehicle is disclosed. The steer-by-wire system includes: sensors configured to detect parameters including at least one of a steering rack load on a steering rack of the vehicle and a speed of the vehicle; and a control module configured to operate in a synthetic chassis understeer mode including i) determining a change in road wheel angle based on the parameters, and ii) based on the change in the road wheel angle, controlling a motor to adjust a position of the steering rack to at least one of introduce and increase understeer.

Abstract: A vehicle steer-by-wire system includes two front wheels of the vehicle, a steering wheel adapted to receive a steering input, and a steer-by-wire module configured to electronically transmit a steering signal to control a steering orientation of the two front wheels according to the steering input received at the steering wheel, sense a feedback parameter of the two front wheels, and supply a steering feedback signal to the steering wheel according to the sensed feedback parameter of the two front wheels. The system includes one or more vehicle sensors configured to sense at least one operating parameter of the vehicle, and a steering feedback control module configured to receive the at least one operating parameter of the vehicle, determine a driving intensity index according to the at least one operating parameter, and modify the steering feedback signal supplied to the steering wheel according to the determined driving intensity index.

Abstract: Methods for identify zones within a carbonate reservoir with (a) high porosity and high resistivity or (b) low porosity and high resistivity as potential gas-producing zones may use both resistivity data and effective porosity data where the resistivity data is conditioned before integration with the effective porosity data. For example, a method may include conditioning deep resistivity data for a plurality of zones of a subterranean formation, thereby producing conditioned deep resistivity data; integrating the conditioned deep resistivity data with effective porosity data for the plurality of zones, thereby producing a flow index curve for each of the plurality of zones; and identifying one or more potential gas-producing zones from the plurality of zones based on the flow index curve.

Abstract: A method includes conveying a sacrificial tool into a wellbore on a conveyance, the wellbore penetrating one or more subterranean formations and the sacrificial tool including an overshot fishing tool, a tubing operatively coupled to and extending from the overshot fishing tool, and a liner hanger arranged at an upper end of the tubing. An uphole end of a downhole tool is received within with the overshot fishing tool, the downhole tool being stuck in the wellbore adjacent the one or more subterranean formations. The uphole end of the downhole tool is sealingly engaged, and a cement is subsequently circulated through the sacrificial tool and the downhole tool and discharged into an annulus defined between the downhole tool and an inner wall of the wellbore.

Abstract: An article comprising a first component having a first electrically conductive surface and a second component having a second surface. An adhesive composition comprising a zwitterionic polymer is disposed between the first electrically conductive surface and second surface and joins the first component to the second component. The effort required to separate the first component from the second component, as measured by work of adhesion per surface area, is reduced by application of a DC electric potential across the adhesive composition.

Abstract: A holiday detector system can include a holiday detector with a housing for holiday inspection circuitry to perform holiday inspection on a surface, a probe extending from the housing for surface inspection, the probe electrically coupled to the holiday inspection circuitry. The holiday detector system can also include a graphical user interface device electrically connected to the holiday detector. The graphical user interface device has a display screen and logic and circuitry to receive holiday inspection signals from the holiday detector apparatus; generate digital data representative of the holiday inspection signals; format the digital data into a graphical representation of the holiday inspection signals; display the graphical representation of the holiday inspection signals on the display screen; and digitally store the digital data in a data storage device.

Abstract: A section of casing within a wellbore is milled. After milling the section of the wellbore, the section of the wellbore is underreamed through to a next layer of casing. A setting fluid is squeezed into the section. The setting fluid penetrates micro-channels exposed by the milling and underreaming A scab liner is installed over the section. The scab liner is secured within the wellbore.

Abstract: The present disclosure provides a method including: launching a drone-type device into a subsurface terrain, wherein the drone-type device is configured to navigate the subsurface terrain along a path while searching for a source of one or more pollutants; obtaining, using one or more sampling compartments on the drone-type device, at least one sample along the path as the drone-type device travels in the subsurface terrain; measuring, using one or more sensors on the drone-type device on the drone-type device, concentration levels of the one or more pollutants at corresponding locations along the path where the drone-type device obtains the at least one sample; determining a gradient map of the measured concentration levels in the subsurface terrain surrounding the path taken by the drone-type device; and based on, at least in part, the gradient map, determining whether the source of the one or more pollutants has been located.

Abstract: A method for reducing pathological cardiac hypertrophy and/or inducing physiological cardiac hypertrophy by administering Nigella sativa or an extract thereof to a subject in need thereof, especially to an athletic subject in order to reduce exercise-induced pathological cardiac hypertrophy. A composition comprising Nigella sativa for use in said method.

Abstract: A manifold may include a manifold body and a cap. The manifold body may define a manifold inlet including a first filter holder configured to receive a first filter, a second filter holder having an enclosable open end, the second filter holder configured to receive a second filter through the enclosable open end, a pump interface having an interface inlet and an interface outlet, a manifold outlet, an inlet passageway fluidly coupling the manifold inlet to the interface inlet, an intermediary passageway fluidly coupling the interface outlet to the second filter holder, and an outlet passageway fluidly coupling the second filter holder to the manifold outlet. The cap may be configured to enclose the enclosable open end.

Abstract: A section of casing within a wellbore is milled. After milling the section of the wellbore, the section of the wellbore is underreamed through to a next layer of casing. A setting fluid is squeezed into the section. The setting fluid penetrates micro-channels exposed by the milling and underreaming. A scab liner is installed over the section. The scab liner is secured within the wellbore.

Abstract: The present disclosure provides a method including: launching a drone-type device into a subsurface terrain, wherein the drone-type device is configured to navigate the subsurface terrain along a path while searching for a source of one or more pollutants; obtaining, using one or more sampling compartments on the drone-type device, at least one sample along the path as the drone-type device travels in the subsurface terrain; measuring, using one or more sensors on the drone-type device on the drone-type device, concentration levels of the one or more pollutants at corresponding locations along the path where the drone-type device obtains the at least one sample; determining a gradient map of the measured concentration levels in the subsurface terrain surrounding the path taken by the drone-type device; and based on, at least in part, the gradient map, determining whether the source of the one or more pollutants has been located.

Abstract: A system comprises a processor and a memory storing instructions which when executed by the processor configure the processor to estimate a rack force for a steering system of a vehicle based on current driving and environmental conditions and estimate a health of an actuator of the steering system of the vehicle. The instructions configure the processor to estimate maximum achievable angle, velocity, and acceleration for the actuator of the steering system based on the estimated rack force and the estimated health of the actuator. The instructions configure the processor to provide to the steering system a path planned for the vehicle based on the estimated maximum achievable angle, velocity, and acceleration for the actuator of the steering system.

Abstract: A method of transforming Monte Carlo (MC) simulations for diffuse reflectance spectroscopy (DRS) may include obtaining, by a DRS device, MC simulated DRS measurements using a pre-defined number of photons; pre-processing, by the DRS device, the MC simulated DRS measurements to obtain normalized DRS measurements; correcting, by the DRS device, non-monotonicity of the normalized DRS measurements to obtain monotonic DRS measurements; converting, by the DRS device, the monotonic DRS measurements to a logarithmic domain to obtain logarithmic DRS measurements; performing, by the DRS device, curve fitting on the logarithmic DRS measurements in the logarithmic domain to obtain curve-fitted logarithmic DRS measurements; and transforming, by the DRS device, the curve-fitted logarithmic DRS measurements to a non-logarithmic domain to obtain transformed MC simulated DRS measurements.

Abstract: Methods and systems for controlling fluids in a wellbore are described. The methods and systems include running a production string into the wellbore, the production string includes production tubing and completion components with a first packer with a first control line and a backup packer with a second control line; setting the first packer in the wellbore in response to a signal on the first control line; producing hydrocarbons from the wellbore with the first packer set and the backup packer unset; and setting the backup packer in the wellbore in response to a signal on the second control line.

Abstract: A method of predicting a blood compound concentration of a target may include receiving, by a system, spectral data associated with a region of the target, using near-infrared (NIR) spectroscopy. The method may include classifying, by the system, each of the plurality of data instances of the spectral data to one of a plurality of labelled classes. The method may include obtaining, by the system, one or more best fit models from a plurality of prediction models based on the classification. The method may include determining, by the system, blood compound concentration values corresponding to each of the one or more best fit models. The method may include predicting, by the system, the blood compound concentration of the target using the blood compound concentration values predicted using the best fit models.

Abstract: A section of casing within a wellbore is milled. After milling the section of the wellbore, the section of the wellbore is underreamed through to a next layer of casing. A setting fluid is squeezed into the section. The setting fluid penetrates micro-channels exposed by the milling and underreaming. A scab liner is installed over the section. The scab liner is secured within the wellbore.

Abstract: A wellbore tool assembly to release stuck pipe includes a tubular that includes an outer wall, an inner wall and an annular compartment defined between the outer wall and the inner wall. A quantity of acid is carried within the annular compartment of the tubular. Multiple ports are formed in the tubular. Each port fluidically connects an inner volume of the tubular with a volume outside the tubular through the annular compartment. The assembly includes a ball seat disposed within the tubular. The ball seat is configured to receive a ball dropped into the tubular. The multiple ports are configured to switch between an open position and a closed position. When in the open position, the multiple ports permit flow of the acid from the annular compartment to the formation. When in the closed position, the multiple ports prevent fluid flow from the annular compartment to the formation.