Abstract: A system including one or more hardware processors for automatic evaluation of a cutting element in a wear testing device. The system includes an access module to access cutting element event analysis results from a sensor array. The system further includes a first model trained to classify a cutting element event of the cutting element according to a supervised machine learning algorithm, and output a predicted event type of the cutting element event. The system further includes a second model trained to classify a cutting element event of the cutting element according to an unsupervised machine learning algorithm, and output a predicted behavior of the cutting element event. The system further includes a controller to determine a toughness and a wear resistance of the cutting element. The system also includes an output module to generate and display a work order on a user interface of a client device.

Abstract: A cutting element has an upper body and a shaft extending from a lower side of the upper body. The upper body includes a cutting face opposite the lower side and bordered by a cutting edge, a side surface extending from the cutting edge, wherein an upper body diameter is measured between the side surface, and a catalyst-free polycrystalline diamond (CFPCD) portion forming the cutting face, the cutting edge, and at least a portion of the side surface. The CFPCD portion has a diamond matrix formed of a plurality of bonded together diamond grains, wherein diamond forms at least 99 percent by volume of the CFPCD portion, and wherein the CFPCD portion extends at least 1 mm from the cutting face. The shaft has a circumferential groove extending around its circumference and a shaft diameter less than the upper body diameter.

Abstract: Cutters for a downhole drill bit can be formed by providing a catalyst-free synthesized polycrystalline diamond (PCD) having a cross-sectional dimension of at least 8 millimeters; providing a substrate comprising tungsten carbide; and attaching the synthesized PCD to the substrate comprising tungsten carbide to form a PDC cutter.

Abstract: A drilling system measures a fluid level in a wellbore. The drilling system may include a drill pipe and a sensor sleeve attached to the drill pipe. The sensor sleeve may include a transmitter that transmits a sensing signal in a direction of a fluid in the wellbore, a receiver that receives the sensing signal after the sensing signal is reflected on a surface of the fluid, and a repeater that determines a distance between the sensor sleeve and the fluid level from the transmitted and received sensing signal. The fluid level in the wellbore may be calculated using the distance determined by the repeater and a distance between the sensor sleeve and a surface of the wellbore.

Abstract: The present disclosure discloses an optical lens and a camera module, from an object side to an imaging plane along an optical axis, sequentially including: a first group, a second group, and protective glass. The first group has a positive focal power and sequentially includes, from the object side to the imaging plane along the optical axis, a first substrate and a first lens bonded together. The object side surface or image side surface of the first substrate is coated with a stop. The second group has a negative focal power and sequentially includes, from the object side to the image side along the optical axis, a second lens, a second substrate, and a third lens bonded together. The working object distance of the optical lens is from 5 mm to infinity.

Abstract: Disclosed are methods of forming a chamber component for a process chamber. The methods may include filling a mold with nanoparticles or plasma spraying nanoparticles, where at least a portion of the nanoparticles include a core particle and a thin film coating over the core particle. The core particle and thin film are formed of, independently, a rare earth metal-containing oxide, a rare earth metal-containing fluoride, a rare earth metal-containing oxyfluoride, or combinations thereof. The nanoparticles may have a donut-shape having a spherical form with indentations on opposite sides. The methods also may include sintering the nanoparticles to form the chamber component and materials. Further described are chamber components and coatings formed from the described nanoparticles.

Abstract: A method of forming a composite cutter for a downhole drilling tool is described. The method includes: mixing a polycrystalline diamond powder and a cubic boron nitride powder with a molar ratio between 0.1 and 0.9 to form a catalyst-free composite mixture; placing the catalyst-free composite mixture into a mold configured in a shape of a cutter; exposing the catalyst-free composite mixture to an ultra-high-pressure, high-temperature treatment including a pressure between 11 Gigapascals (GPa) and 20 GPa, and a temperature between 1300 Kelvins (K) and 2600 K to form a solid composite body; and cooling the solid composite body to form the composite cutter.

Abstract: An integrated carbon dioxide methanation system and a method of making methane are provided. An exemplary method of making methane includes generating electricity using renewable energy sources, obtaining carbon dioxide from biogas processing or post combustion carbon capture, obtaining hydrogen from water splitting or gasification of biomass, combining the carbon dioxide and the hydrogen to form a mixture, and reacting the mixture with a nickel catalyst made using atomic layer deposition to yield methane.

Abstract: Cutters for a downhole drill bit can be formed by providing a catalyst-free synthesized polycrystalline diamond (PCD) having a cross-sectional dimension of at least 8 millimeters; providing a substrate comprising tungsten carbide; and attaching the synthesized PCD to the substrate comprising tungsten carbide to form a PDC cutter.

Abstract: A method of forming a composite cutter for a downhole drilling tool is described. The method includes: mixing a polycrystalline diamond powder and a cubic boron nitride powder with a molar ratio between 0.1 and 0.9 to form a catalyst-free composite mixture; placing the catalyst-free composite mixture into a mold configured in a shape of a cutter; exposing the catalyst-free composite mixture to an ultra-high-pressure, high-temperature treatment including a pressure between 11 Gigapascals (GPa) and 20 GPa, and a temperature between 1300 Kelvins (K) and 2600 K to form a solid composite body; and cooling the solid composite body to form the composite cutter.

Abstract: An integrated carbon dioxide methanation system and a method of making methane are provided. An exemplary method of making methane includes generating electricity using renewable energy sources, obtaining carbon dioxide from biogas processing or post combustion carbon capture, obtaining hydrogen from water splitting or gasification of biomass, combining the carbon dioxide and the hydrogen to form a mixture, and reacting the mixture with a nickel catalyst made using atomic layer deposition to yield methane.

Abstract: A system and method for converting natural gas to dimethyl ether (DME) are provided. An exemplary system includes a purified natural gas feed, a combustion chamber to combust a first portion of the natural gas to provide heat and an exhaust gas, and a separator to separate water and CO2 from the exhaust gas to form a first feed, a second portion of the natural gas forms a second feed. The system also includes a bi-reforming reactor comprising a bi-reforming catalyst to react the first feed and the second feed to form hydrogen and carbon monoxide, and a dimethyl ether (DME) reactor comprising a DME catalyst to form DME from the hydrogen and carbon monoxide.

Abstract: A system and method for converting natural gas to carbon particles are provided. An exemplary method includes feeding the natural gas to a CNT reactor, forming an effluent stream including the carbon particles, separating the carbon particles from the effluent stream, forming a produced gas stream, combusting the produced gas stream to heat the CNT reactor, and providing the carbon particles.

Abstract: A drilling system measures a fluid level in a wellbore. The drilling system may include a drill pipe and a sensor sleeve attached to the drill pipe. The sensor sleeve may include a transmitter that transmits a sensing signal in a direction of a fluid in the wellbore, a receiver that receives the sensing signal after the sensing signal is reflected on a surface of the fluid, and a repeater that determines a distance between the sensor sleeve and the fluid level from the transmitted and received sensing signal. The fluid level in the wellbore may be calculated using the distance determined by the repeater and a distance between the sensor sleeve and a surface of the wellbore.

Abstract: An intelligent drilling system is disclosed. The intelligent drilling system includes an inner drill pipe adapted to rotate around a longitudinal axis in a transversal plane of a wellbore to advance a drill bit during a drilling operation, an external drill string shield surrounding the inner drill pipe and coupled to the inner drill pipe via at least one bearing system, the at least one bearing system adapted to decouple the external drill string shield from a rotational motion of the inner drill pipe in the transversal plane such that the external drill string shield remains substantially stationary during the drilling operation, and an in-situ sensing system disposed on an interior wall of the external drill string shield to measure at least one downhole parameter of the wellbore.

Abstract: Described herein are articles, systems and methods where a plasma resistant coating is deposited onto a surface of an article using an atomic layer deposition (ALD) process. The plasma resistant coating has a first layer and a second layer including a solid solution of Y2O3—ZrO2 and uniformly covers features, such as those having an aspect ratio of length to width of about 3:1 to about 300:1.

Abstract: A method includes creating a chamber within an annulus between a wellbore casing and a drillpipe. An upper boundary of the chamber includes a seal and a lower boundary of the chamber includes a liquid surface and determining a volume of the chamber at a first time. The method further includes determining the volume of the chamber includes measuring, using a pressure gauge, a first pressure within the chamber, changing an amount of a gas in the chamber, and measuring, using the pressure gauge, a second pressure within the chamber. The method further includes determining a first volume of gas within the chamber based on the first and second pressure measurements and the change in the amount of gas, and determining a first fluid level based on the first volume of the chamber.

Abstract: A system includes a sliding sleeve, a ball landing seat, a plurality of microchips, a hydraulic piston, and a ball catcher. The sliding sleeve is installed within a tubular body having an exit groove. The ball landing seat is formed by the sliding sleeve. The plurality of microchips are housed in a microchip ring installed within the sliding sleeve. The hydraulic piston is installed within the microchip ring and triggered by reception of a ball in the ball landing seat. The ball reduces a cross sectional area of a flow path while in the ball landing seat. The hydraulic piston releases the plurality of microchips through the exit groove and into the well to gather data. The ball catcher is configured to receive and hold the ball after the plurality of microchips are released into the well. The ball catcher and the ball are made of a dissolvable material.

Abstract: A system having an instrumented cutter of a drill bit including an on-cutter sensor for monitoring drilling performance metrics while performing drilling operations based on offset well data and a computing device is disclosed. The computing device executes a model development system configured to use the drilling performance metrics, surface drilling parameters, and characteristics of the instrumented cutter to train a machine learning (ML) model. The trained ML model is used to optimize drilling parameters and predict drill bit performance in a current well.

Abstract: Systems and methods include a computer-implemented method can be used to make drilling tools from new wurtzite boron nitride (w-BN) superhard material. An ultra-high-pressure, high-temperature operation is performed on pure w-BN powder to synthesize w-BN and cubic boron nitride (c-BN) compact having a first size greater than particles of the pure w-BN powder. The ultra-high-pressure, high-temperature operation includes pressurizing the w-BN powder to a pressure of approximately 20 Gigapascal, heating the w-BN powder at a heating rate of 100° C./minute and cooling the w-BN powder at a cooling rate of 50° C./minute. The compact is cut to a second size smaller than the first size using laser cutting tools. The cut compact is bonded metallurgically, mechanically, or both metallurgically and mechanically onto a tool substrate to form the drilling tool.