Abstract: Systems and methods are provided for geosteering in directional drilling based on water detection. An exemplary method includes determining a signal-to-noise ratio (SNR) for an electromagnetic communication between devices on a bottom hole assembly, and determining a distance to water based, at least in part, on the SNR. Adjustments to geosteering vectors for the bottom hole assembly are determined based, at least in part, on the distance to water.

Abstract: A method may include obtaining various seismic traces for a geological region of interest. The method may further include determining an offset attribute and an azimuthal attribute. The method may further include determining, using the offset attribute and the azimuthal attribute, a virtual trace bin for the geological region of interest. The method may further include generating a virtual trace using a subset of the seismic traces and corresponding to the virtual trace bin. The method may further include generating a velocity model for the geological region of interest using a virtual shot gather including the virtual trace and various virtual traces. A respective virtual trace among the virtual traces may correspond to a respective virtual trace bin among various virtual trace bins. The method may further include generating a seismic image of the geological region of interest using the velocity model.

Abstract: Presented here are nanocomposites and rechargeable batteries. In certain embodiments, nanocomposites a nanocomposite is resistant to thermal runaway, and useful as an electrode material in rechargeable batteries that are safe, reliable, and stable when operated at high temperature and high pressure. The present disclosure also provides methods of preparing rechargeable batteries. For example, rechargeable batteries that include nanocomposites of the present disclosure as an electrode material have, in some embodiments, an enhanced performance and stability over a broad temperature range from room temperature to high temperatures. These batteries fill an important need by providing a safe and reliable power source for devices operated at high temperatures and pressures such as downhole equipment used in the oil industry.

Abstract: A system to prevent the formation of hydrates in a pipeline includes a heater assembly. The heater assembly has a vortex tube mounted on an outer surface of a first section of the pipeline and a compressed gas source. The vortex tube is configured to separate gas from an inlet into a hot gas pathway and a cold gas pathway. The vortex tube includes an inlet, a cold gas outlet, and a hot gas outlet. The hot gas outlet of the vortex tube is fluidly connected to an opening defined in the first section of the pipeline. The hot gas outlet is configured to flow hot gas from the vortex tube into an interior volume of the pipeline. The compressed gas source is fluidly connected to the inlet of the vortex tube.

Abstract: Hydrotreating catalysts are provided having one or more phosphorus components carried on a composite support of a titanium-loaded binder component and post-framework modified ultra-stable Y-type zeolite. The support comprises the titanium-loaded binder component and a post-framework modified ultra-stable Y-type (USY) zeolite in which a portion of aluminum atoms constituting a zeolite framework thereof is substituted with zirconium atoms and/or titanium atoms and/or hafnium atoms. The active components including the phosphorous active component and one or more hydrocracking metals active components loaded on the support.

Abstract: Methods for synthesizing a mesoporous nano-sized zeolite beta are described. The method includes preparing an aqueous hexadecyltrimethylammonium bromide (CTAB) solution and adding nano-sized zeolite particles having a BEA framework type, a particle size of less than or equal to 100 nm, and a microporous framework with a plurality of micropore s having diameters of less than or equal to 2 nm to form a second solution. The second solution does not include a base. The method further includes transferring the second solution to an autoclave operated at 25° C. to 200° C. for 3 to 24 hours to form a colloid; washing the colloid with water to form a washed colloid; drying the washed colloid at 100° C. to 200° C. for 4 to 24 hours to form a zeolite precursor; and calcining the zeolite precursor at 250° C. to 600° C. for 1 to 8 hours to form the mesoporous nano-sized zeolite beta.

Abstract: Systems and methods are disclosed. The method includes drilling, using a drill bit, a wellbore to a sequence of drilling depths within a subterranean region of interest. The method further includes, for each drilling depth, obtaining a seismic dataset generated by the drill bit, determining a coherency map using the seismic dataset, a range of seismic velocities, a range of vertical traveltimes, and a geological model, determining a locus from the coherency map, defining an objective function based on the locus, and determining a unique seismic velocity and a unique vertical traveltime based on an extremum of the objective function. The method further still includes generating a vertical traveltime, depth model using the unique seismic velocity and the unique vertical traveltime for each drilling depth, obtaining a time-domain surface seismic dataset, and determining a depth-domain surface seismic dataset using the time-domain surface seismic dataset and the vertical traveltime, depth model.

Abstract: Methods and systems are disclosed. The methods may include, using a reservoir simulator to obtain a reservoir simulation model including a grid of computational voxels, a free-water level boundary, and locations of pre-existing production wells and defining a set of candidate well locations within an area enclosed by the free-water level boundary. The methods may further include forming a set of candidate production well locations, where each well candidate production well location is greater than a first threshold distance from all pre-existing production wells and further than a second threshold distance from the free-water level boundary. The methods may also include determining a trajectory for lateral branches of each candidate production well and selecting a set of planned production well locations based on a ranking of combined predicted production rate from the lateral branches of each candidate production well and drilling a production well guided by the trajectories.

Abstract: A method may include imaging a portion of a subterranean formation to obtain a formation image. The formation image may be analyzed to identify one or more nodular evaporite deposits in the portion of the subterranean formation. One or more deposit characteristics may be determined for each of the one or more nodular evaporite deposits, the one or more deposit characteristics comprising a cross-sectional area, a volume, a roundness index, a vertical depth relative to the subterranean formation, a degree of occlusion, an overlap of deposits, or any combination thereof. The portion of the subterranean formation may be classified into a diagenetic rock facies based on the one or more deposit characteristics of each of the one or more nodular evaporite deposits per unit volume and a number of the one or more nodular evaporite deposits per the unit volume.

Abstract: Methods for synthesizing a mesoporous nano-sized zeolite beta are described. The method may include mixing an aqueous base solution with hexadecyltrimethylammonium bromide (CTAB) to form a first solution; adding nano-sized zeolite particles having a particle size of less than or equal to 100 nm to the first solution to form a second solution. The nano-sized zeolite particles include a microporous framework with a plurality of micropores having diameters of less than or equal to 2 nm and a BEA framework type. The method may further include transferring the second solution to an autoclave operated at 25° C. to 200° ° C. for 3 to 24 hours to form a colloid; drying the colloid at 100° C. to 200° C. for 8 to 36 hours without washing the colloid to form a zeolite precursor; and calcining the zeolite precursor at 250° ° C. to 600° ° C. for 1 to 8 hours to form the mesoporous nano-sized zeolite beta.

Abstract: A system includes a plurality of sensors, a processor, and a notification system. The plurality of sensors detects personnel within a proximity from an electrical equipment. The processor obtains data from the electrical equipment and the detection from the plurality of sensors; calculates safety parameters based on the data and the detection; and controls one or more Overcurrent Protective Devices (OCPDs), dynamically and without human intervention, by changing a plurality of relay settings based on the safety parameters. The notification system obtains information comprising the control and safety parameters from the processor and notifies the information to related personnel.

Abstract: Methods for synthesizing a nano-sized zeolite beta are described. The method may include mixing alumina and tetraethylammonium hydroxide to form an aluminum solution; mixing silica, additional TEAOH, and water to form a silica slurry; and adding the aluminum solution into the silica slurry and mixing to form an aluminosilicate gel. The method may further include transferring the aluminosilicate gel to an autoclave operated at 120° C. to 160° C. for 2 to 4 days at a rotational speed of 60 to 100 rotations per minute to form a zeolite precursor colloid; washing the zeolite precursor colloid with water to form a washed colloid; drying the washed colloid at 80° C. to 150° C. for 6 to 24 hours to form a zeolite precursor; and calcining the zeolite precursor at 400° C. to 650° C. for 2 to 8 hours to form the nano-sized zeolite beta.

Abstract: Systems and a method for well testing using a tubing hanger deployed apparatus are disclosed. The method includes shutting in a well and connecting a pressure control system and a tool string to an adapted tubing hanger plug; installing the pressure control system, the tool string, and the adapted tubing hanger plug into a borehole; opening the borehole for a fluid flow; measuring a flow rate of the fluid flow through the borehole using a flowmeter; and measuring physical properties of the fluid flow with sensors on the tool string. The method further includes closing a surface safety valve and optionally closing a subsurface safety valve; retrieving the adapted tubing hanger plug and the tool string; and downloading data for analysis of the flow rate and physical properties measured.

Abstract: A method may include producing a crude oil from a reservoir and contacting the crude oil with a demulsifying agent before the crude oil passes through a production choke valve to form a mixture of crude oil and demulsifying agent. The mixture of crude oil and demulsifying agent may be separated in one or more separators into a gas stream, an oil stream, and a water stream. The gas stream and oil stream may be combined to form an oil and gas mixture.

Abstract: Methods for synthesizing a mesoporous nano-sized ultra-stable Y zeolite include adding sodium aluminate and colloidal silica to an aqueous NaOH solution and mixing to form a hydrogel having a molar ratio composition of 8 to 12 Na2O:Al2O3:14 SiO2:200 to 400 H2O. The method further includes heating the hydrogel to an autoclave to form a zeolite precursor which is filtered and washed to form a nano-sized Y zeolite. Further the method includes combining the nano-sized Y zeolite with water to form a nano-sized Y zeolite slurry mixture and then adding a 0.1 to 2.0 M aqueous solution of ammonium hexafluorosilicate to form a dealuminated solution. Finally the method includes filtering and washing the dealuminated solution with water to form an ultra-stable Y zeolite precursor, drying the ultra-stable Y zeolite precursor, and calcining the dried zeolite precursor to form the nano-sized ultra-stable Y zeolite.

Abstract: A ceramic tube plugging system where a tube plug is inserted into the tube of the tubesheet and a ceramic ferrule is disposed on the tube plug. The ceramic ferrule is held on the tube plug by a locking mechanism. The locking mechanism may be a ceramic plug screw that passes through an opening in the ceramic ferrule and is attached to the tube plug by complementary threaded provision included in the tube plug.

Abstract: Methods for synthesizing a mesoporous nano-sized ultra-stable Y zeolite include combining a microporous Y zeolite having a SiO2/Al2O3 molar ratio of less than 5.2 with water to form a microporous Y zeolite slurry and heating the microporous Y zeolite slurry to 30° C. to 100° C. to form a heated microporous Y zeolite slurry. Further the method includes adding a 0.1M to 2.0M ammonium hexafluorosilicate solution and a 0.1M to 2.0M ammonium hydroxide solution in a drop-wise manner, either sequentially or simultaneously, to the heated microporous Y zeolite slurry to form a treated zeolite solution and holding the treated zeolite solution at 50° C. to 100° C. Finally the method includes filtering and washing the dealuminated solution with water to form an ultra-stable Y zeolite precursor, drying the ultra-stable Y zeolite precursor, and calcining the dried zeolite precursor to form the nano-sized ultra-stable Y zeolite.

Abstract: Systems and methods for a guided extend reach tractor are disclosed. The method includes installing a packer and a tractor string operatively connected to the packer in a borehole; lowering the guided extend reach tractor into the borehole; supplying power, via a power source, to the guided extend reach tractor; attaching the guided extend reach tractor to the tractor string using an electromagnet; and clamping the guided extend reach tractor onto the tractor string. The method further includes activating helical bars to propel the guided extend reach tractor forward or backward in the borehole; performing well intervention operations in the borehole; and extracting the guided extend reach tractor from the borehole.

Abstract: A method for monitoring point-of-safety stations in a process plant is disclosed. The method includes disposing a wireless gateway device on a roof top of the process plant above a control room of a distributed control system (DCS) in the process plant, disposing wireless field devices on the roof top to form a wireless mesh network, communicatively connecting the wireless gateway device to wired DCS equipment in the control room, communicatively connecting, using at least the wireless mesh network, the wireless gateway device to each of the point-of-safety stations, wirelessly transmitting, via the wireless mesh network, a status signal from each of the point-of-safety stations to the wired DCS equipment, and performing, in response to the wired DCS equipment receiving the status signal, a corrective action to enhance safety of the process plant.

Abstract: A drilling system includes a drill string extendable into a borehole from a drilling platform and conveying a drilling fluid to a drill bit arranged at a distal end of the drill string, an annulus defined between the drill string and an inner wall of the borehole and in which spent drilling fluid ejected from the drill bit flows back to the drilling platform, and a plurality of nozzle assemblies installed on the drill string, each nozzle assembly providing a fluid flow path between an interior of the drill string and the annulus. Each nozzle assembly is transitionable between a closed state, where the drilling fluid within the interior is prevented from passing through the fluid flow path, and an open state, where the drilling fluid traverses the fluid flow path and is discharged into the annulus to combine with the spent fluid.