Abstract: A wellbore isolation device comprising: one or more materials, wherein the one or more materials degrade after contact with a fluid; and a non-metallic coating, wherein the coating covers the one or more materials of the wellbore isolation device, and wherein the coating partially or wholly degrades after contact with a wellbore fluid. A method of removing the wellbore isolation device comprising: degrading the coating via contact with a wellbore fluid; and contacting the portion of the wellbore isolation device with a fluid, wherein the portion of the wellbore isolation device comprises one or more materials that degrade after contact with the fluid.

Abstract: Downhole tools, methods, and systems related thereto. An example downhole tool includes a body comprising a degradable core and a chelating agent or a chelating agent/scale inhibitor mixture integrated therein. The chelating agent and scale inhibitors help to direct and control the degradation of the degradable core.

Abstract: Wellbore isolation devices, methods of use, and downhole tools and systems comprising the wellbore isolation devices. A wellbore isolation device comprises a component selected from the group consisting of a mandrel, a packer element, a sealing ball, a wedge, a slip, a mule shoe, a wiper element, a wiper body, and any combination thereof; wherein the component comprises a degradable non-metallic material that degrades upon exposure to a wellbore environment; and wherein the degradable non-metallic material is a composite material comprising a non-epoxy matrix material and a reinforcing material.

Abstract: Described are methods, systems, and media for enriching data records while preserving data provenance to enable historical data enrichment process replay.

Abstract: Systems and methods are provided for manually setting up a wire drive assembly of a welding power supply and automatically setting up welding power supply parameters. A drive roll is configured with multiple grooves for receiving multiple wires of different types and/or different diameters. A sensor can detect the configuration of the drive roll such as, for example, being configured to receive a particular wire type with a particular diameter in a particular groove, by detect a distance to the drive roll. The welding power supply can use this information to automatically set the wire speed.

Abstract: The disclosure provides a system for delivering packages by a delivery person in a location with multiple recipients comprising a plurality of lockers, each locker having an interior space, a door, a locker identifier, and a locking portion associated with each door. A central control unit comprises a first input device configured to allow the delivery person to designate the number of lockers to be opened, a second input device adapted to read the package identifier and a locker identifier, and a controller configured to deactivate the locking portions on the designated lockers. Upon delivery, the controller deactivates the number of locking portions equal to the number of designated lockers, and at a location remote from the central control unit, the second input device reads a package and a locker identifier for a designated locker and transmits the package and locker information to the central control unit.

Abstract: A system is disclosed for delivering packages by a delivery person in a location with multiple recipients comprising a plurality of lockers, each locker having an interior space and a door that when opened allows access to the interior space, a locking portion associated with each door, a central control unit comprising an identifier to allow the delivery person to specify a recipient, an input device to allow the delivery person to specify the number of packages to be delivered to the recipient, and a controller configured to deactivate the locking portions on the individual lockers, wherein upon identification of a recipient and input of the number of packages to be delivered to the recipient, the controller deactivates the number of locking portions equal to the number of packages to be delivered to the recipient, and the delivery person places a package in each locker opened and closes the door.

Abstract: Downhole tools and methods and systems associated therewith, wherein the downhole tools comprise a body and at least one sealing element comprising an aqueous-degradable thermoplastic rubber copolymer composed of a thermoplastic component and a rubber component. The thermoplastic component is present in an amount of about 5% to about 95% by weight of the aqueous-degradable thermoplastic rubber copolymer, and at least a portion of the sealing element hydrolytically degrades when exposed to an aqueous fluid.

Abstract: Methods and Apparatus to increase the efficiency of roll-forming and leveling systems are described herein. An example strip material processing apparatus includes a first drive system to drive an exit workroll at an exit of the strip material processing apparatus, and a second drive system to drive an entry workroll at an entry of the strip material processing apparatus, where the strip material is to travel through the strip material processing apparatus from the entry to the exit. The example strip material processing apparatus also includes a controller to provide a first command reference to the first drive system to drive the exit workroll at the first command reference.

Abstract: Downhole tools including a wellbore isolation device that provides a plurality of components including a mandrel, and a slip assembly comprising a plurality of slip elements including a slip wedge and a slip, wherein an element of the slip assembly is composed of a degradable metal material, and wherein the slip comprises a slip insert embedded therein, the slip insert having a compressive strength of greater than about 120,000 psi.

Abstract: The present disclosure generally relates to downhole tools comprising aqueous-degradable sealing elements and, more specifically, to downhole tools comprising a body and an aqueous-degradable sealing element, wherein at least a portion of the body is also degradable upon exposure to a wellbore environment. A downhole tool that includes a body, wherein at least a portion of the body is degradable when exposed to a wellbore environment; and at least one aqueous-degradable sealing element composed of an aqueous-degradable elastomer, wherein the aqueous-degradable sealing element degrades when exposed to an aqueous fluid in the wellbore environment.

Abstract: Downhole tools including a wellbore isolation device that provides a plurality of components including a mandrel, a packer element, and a sealing ball, wherein the mandrel defines a central flow passage that allows fluid flow in at least one direction through the wellbore isolation device, wherein at least a portion of the mandrel is composed of a degradable metal material, at least a portion of the packer element is composed of an elastomer, and at least a portion of the sealing ball is composed of a degradable substance, and wherein the degradable metal material and the degradable substance degrades upon exposure to a wellbore environment.

Abstract: Wellbore isolation devices may be produced with wear bands and slips having modified surfaces to change the frictional properties between these components and the surrounding wellbore surface. For example, a wellbore isolation device may include: a mandrel; slips disposed circumferentially about the mandrel and in a first position along the mandrel, wherein the slips comprise particles coupled thereto forming a modified surface, and wherein the particles comprise at least some sharp protrusions; and at least one packer element disposed along the mandrel and in a second position along the mandrel.

Abstract: Downhole tools, and methods and systems related thereto, comprising a body; and at least one sealing element composed of an elastomer and anhydrous acid particles, and wherein at least a portion of the sealing element hydrolytically degrades in a wellbore environment. The anhydrous acid particles hydrolyze to form an acid that accelerates degradation of the sealing element.

Abstract: Downhole tools including a wellbore isolation device that provides a plurality of components including a mandrel, and a slip assembly comprising a plurality of slip elements including a slip wedge and a slip, wherein an element of the slip assembly is composed of a degradable metal material, and wherein the slip comprises a slip insert embedded therein, the slip insert having a compressive strength of greater than about 120,000 psi.

Abstract: Downhole tools, methods, and systems of use thereof, the downhole tools comprising at least one component made of a doped alloy that at least partially degrades by micro-galvanic corrosion in the presence of fresh water having a salinity of less than about 1000 ppm, and wherein the doped alloy is selected from the group consisting of a doped magnesium alloy, a doped aluminum alloy, and any combination thereof.

Abstract: A downhole wellbore isolation tool includes an elastomeric sealing element for engaging a casing member or another tubular member in a wellbore. The isolation tool includes one or more expandable slips for gripping the tubular member and holding the isolation tool in place. The sealing element has an axial end in direct contact with an abutment surface of the expandable slip such that the slip limits, if not eliminates, unwanted extrusion of the sealing element, e.g., upon setting of the isolation tool. The expandable slips may be constructed of a plurality of slip elements, and the elastomeric sealing element may flow into gaps defined between the slip elements when the isolation tool is set. The slip segments and other components of the isolation tool may be constructed of a dissolvable material to facilitate removal of the isolation tool from the wellbore.

Abstract: Methods including introducing a frac plug into a wellbore in a subterranean formation, the frac plug comprising at least a mandrel, slips, and a packer element, wherein at least a portion of the mandrel and/or the slips is composed of a degradable alloy selected from the group consisting of a magnesium alloy, an aluminum alloy, and any combination thereof. The wellbore may be a cased wellbore or an open-hole wellbore, and wherein the slips are frictionally engaged with the casing string or the wellbore wall and the packer element is compressed against the casing or the wellbore wall to set the frac plug. One or more perforations is created within the formation and the formation is hydraulically fractured. The frac plug is at least partially degraded upon contact with an electrolyte in the wellbore before or after beginning production of a hydrocarbon.

Abstract: Degradable downhole tools that include a doped aluminum alloy may degrade via a galvanic mechanism. More specifically, such a degradable downhole tool may comprise at least one component of the downhole tool made of a doped aluminum alloy that at least partially degrades by micro-galvanic corrosion in the presence of water having a salinity of greater than about 10 ppm, wherein the doped aluminum alloy comprises aluminum, 0.05% to about 25% dopant by weight of the doped aluminum alloy, less than 0.5% gallium by weight of the doped aluminum alloy, and less than 0.5% mercury by weight of the doped aluminum alloy, and wherein the dopant is selected from the group consisting of iron, copper, nickel, tin, chromium, silver, gold, palladium, carbon, and any combination thereof.

Abstract: An example downhole tool includes a wellbore isolation device that provides a plurality of components including one or more first components and one or more second components. Each component is made of a degradable material that degrades when exposed to a wellbore environment, and the one or more first components degrades at a first degradation rate while the one or more second components degrades at a second degradation rate that is slower than the first degradation rate.