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: 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: 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: 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 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: 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 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: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for determining a velocity model for a geological region. In one aspect, a method comprises: obtaining a current velocity model for the geological region; obtaining pre-stack and post-stack seismic data characterizing the geological region; and for each of a plurality of iterations: identifying a plurality of reflection events from the post-stack seismic data and the current velocity model; determining a respective observed travel time for each of the plurality of reflection events, comprising, for each reflection event, determining the respective observed travel time for the reflection event based at least in part on kinematic features derived from a respective seismic trace included in the pre-stack seismic data; and updating the current velocity model based at least in part on the observed travel times of the plurality of reflection events.

Abstract: An emergency responder guidance system and method for directing emergency responder vehicles in a restricted area. The system includes a sensor device, an interface device, or both, disposed in the restricted area and operable to provide an indication of an emergency condition in the restricted area. The systems includes a visual indicators disposed at a different locations along pathway of the restricted area. The systems includes a response path generator communicatively coupled with the sensor device, the interface device, or both, and with the plurality of visual indicators. The response path generator determines a target path through the pathway to a location of the emergency condition.

Abstract: Methods of solid catalyst manufacture using a peptization agent, and formed solid catalyst materials having improved structural properties are provided. The peptization agent includes one or more oxidized disulfide oil (“ODSO”) compounds. These ODSO compounds peptization agents serve to improve the adhesion characteristics of the binder material, and as a result increase the particle strength of the final catalyst particles.

Abstract: A system includes a first tubular body deployed within a second tubular body, a scanner tool, and an electronically conductive cable. The scanner tool is movably disposed around the outer circumferential surface of the first tubular body and located within an annulus. The scanner tool includes a tool housing, a conduit, and calipers. The tool housing has a housing outer surface and a housing inner surface. The conduit is defined by the housing inner surface. The first tubular body extends therein. The calipers are distributed around the housing outer surface. The calipers are configured to measure well data. The electronically conductive cable is connected to the tool housing and is configured to transmit the well data between the scanner tool and a computer located at a surface location. The electronically conductive cable is further configured to move the scanner tool up hole and downhole along the first tubular body.

Abstract: The present disclosure relates to methods for treating a water zone of a subterranean formation by injecting a mixture including an anionic surfactant and an amine, followed by CO2, to reduce water production from the formation.

Abstract: A system includes a fusible cap, an adapter, and a hydraulic valve. The fusible cap includes a fusible body having a first box end. The first box end has first box threads. The adapter includes a first pin end and a second box end. The first pin end has first pin threads, and the second box end has second box threads. The hydraulic valve includes a second pin end having second pin threads. The first box threads mate with the first pin threads to form a first connection and the second box threads mate with the second pin threads to form a second connection.

Abstract: An engine system includes a prechamber in fluid communication with a main chamber of an engine cylinder via a plurality of nozzles located along a first end of the prechamber. The engine system also includes a prechamber ignition device interfacing an interior of the prechamber, and a prechamber piston slidably disposed in the interior of the prechamber between the first end and a second end of the prechamber, wherein a variable volume is defined in the interior of the prechamber between the prechamber piston and the first end of the prechamber. The engine system further includes a spring positioned between the second end of the prechamber and the prechamber piston, wherein the spring is configured to exert a spring force on the prechamber piston.

Abstract: A method for mapping inter-well porosity includes injecting a Type 1 tracer into a hydrocarbon-bearing reservoir via an injector well, wherein the Type 1 tracer is a passive tracer, injecting a Type 2 tracer into the hydrocarbon-bearing reservoir via the injector well, wherein the Type 2 tracer is a porosity-sensitive tracer, detecting a breakthrough of the Type 1 tracer and a breakthrough of the Type 2 tracer in produced fluid at a producer well, and comparing the breakthrough of the Type 1 tracer with the breakthrough of the Type 2 tracer to provide a map of inter-well porosity.

Abstract: A packer, disposed in a deviated portion of a well, seals with an inner wall of the well. A first tubular, extending through the packer, receives a wellbore fluid via first inlet. A first outlet of the first tubular discharges the wellbore fluid into an annulus within the well, uphole of the packer. A second tubular, coupled to the first tubular, receives at least a liquid portion of the wellbore fluid via a second inlet. The second tubular directs the liquid portion of the wellbore fluid to a downhole artificial lift system. A sump, defined by a region of an annulus between the inner wall of the well and the first tubular, receives at least a portion of solid material carried by the wellbore fluid.

Abstract: A modified cement retainer with milling assembly includes an elongate body that includes a first hollow portion near a first end of the body and a second portion near a second end of the body. A wellbore milling tool is positioned within the first hollow portion. The wellbore milling tool can perform milling operations within a wellbore. A cement flow pathway is defined within the body and the wellbore milling tool. The cement flow pathway extends end to end through the body, and passes through the wellbore milling tool. The cement flow pathway can flow cement through the well tool. A tool retainer is attached to the body. The tool retainer is can retain the wellbore milling tool within the first hollow portion of the elongate body and allow lowering the wellbore milling tool attached to the body within the wellbore.

Abstract: A process for making a layered multi-material structural element having controlled mechanical failure characteristics. The process includes the steps of: supplying a cementitious layer and forming a polymer layer on the cementitious layer by additive manufacture such that the polymer layer has a first thickness and the cementitious layer has a second thickness, wherein the polymer layer comprises a polymer and the cementitious layer comprises a cementitious material; and allowing the polymer from the polymer layer to suffuse into the cementitious layer for a period of time to obtain a suffused zone in the cementitious layer such that the suffused zone has a third thickness that is less than half the second thickness.

Abstract: Compositions that include cationic surfactants and methods of synthesizing compositions that include cationic surfactants. The surfactants include a quaternary amine and a saturated or unsaturated alkyl chain with 4 to 28 carbons. The surfactants can be generated by reacting a fatty acid modified with an amino alkyl group and an epihalohydrin in the presence of a base. The cationic surfactants can be generated by reacting a fatty acid modified with an amino alkyl group, an epihalohydrin, and a carboxylic acid. The cationic surfactants can be generated by reacting a carboxylic acid, an epihalohydrin, and a catalyst to afford a halo-substituted alkyl ester, followed by reacting the halo-substituted alky ester with a fatty acid modified with an amino alkyl group.

Abstract: A process for making a layered multi-material structural element having controlled mechanical failure characteristics. The process includes the steps of: supplying a cementitious layer and forming a polymer layer on the cementitious layer by additive manufacture such that the polymer layer has a first thickness and the cementitious layer has a second thickness, wherein the polymer layer comprises a polymer and the cementitious layer comprises a cementitious material; and allowing the polymer from the polymer layer to suffuse into the cementitious layer for a period of time to obtain a suffused zone in the cementitious layer such that the suffused zone has a third thickness that is less than half the second thickness.