Abstract: A ventilation device, in particular for heating, cooling and/or humidifying air in residential buildings, includes a duct-shaped housing (1) with an air inlet opening (2) and an air outlet opening (3), and a fan impeller (6) as well as a filter unit, heat exchange unit and/or heating coil unit (14) arranged in the main flow direction (Z) of an air flow generated by the fan impeller (6). An air guiding device (17) is arranged in the flow direction (Z) of the air flow in front of a suction nozzle (16)—configured as a flow conditioner, includes a bar structure with air guiding bars-such that a flow inlet opening is configured on the suction side at an axial height in front of the flow inlet opening (15) by the bar structure whose opening surface is smaller than the opening surface of the flow inlet opening (15).

Abstract: A system includes a fuel source for providing a fuel, a first expansion valve formed in a first fuel line connected to the fuel source, for expanding the fuel, and a heat transfer device for delivering a heat transfer medium to the first expansion valve such that the heat transfer medium is cooled by contacting the first expansion valve. Another system includes a fuel source for providing a fuel, a first expansion valve formed in a first fuel line connected to the fuel source, for expanding the fuel, a heat exchanger connected via the first fuel line to the expansion valve, the heat exchanger being cooled by the expanded fuel, and a fan for blowing air over the heat exchanger such that the air is cooled by contacting the heat exchanger. Another system includes pneumatic or hydraulic operated system devices.

Abstract: An air duct includes a first frame and a guiding panel. The first frame includes a top wall and two sidewalls connected substantially perpendicularly to opposite sides of the top wall. Each sidewall defines a fixing hole adjacent to an end of the sidewall. The guiding panel includes a plate and two connecting pieces extending from a side of the plate. A pin protrudes from each connecting piece to be engaged in one of the fixing holes, thereby fixing the plate to the first frame. The plate is slanted relative to the top wall.

Abstract: A control module for a heating, ventilating, and air conditioning system includes a housing having an air flow conduit formed therein. An evaporator core is disposed in the air flow conduit, wherein at least a portion of the evaporator is configured to receive a fluid from a fluid source therein. An internal thermal energy exchanger is disposed in the air flow conduit downstream of at least a portion of the evaporator core and upstream of a blend door disposed in the air flow conduit. The internal thermal energy exchanger is configured to receive another fluid from at least another fluid source therein to provide a heating and cooling thereto.

Abstract: A heat exchange apparatus is provided with an indirect evaporative heat exchange section. An evaporative liquid is downwardly distributed onto the indirect section to indirectly exchange sensible heat with a hot fluid stream flowing within a series of enclosed circuits which comprise the indirect evaporative heat exchange section. An ideal flow rate for such evaporative liquid is between 2.5 and 3.5 gallons per minute per square foot of top surface area of the indirect heat exchange section.

Abstract: An integrated thermal transfer system is provided for transferring heat between a coolant and a refrigerant in an HVAC system to change a temperature of the coolant. Heat is then transferred between the coolant having a changed temperature and a device in need of thermal control, such as a battery. The system includes an evaporator having a refrigerant tank, where the refrigerant tank contains the refrigerant. A coolant tank is disposed adjacent and in thermal communication with the refrigerant tank, the coolant tank including an inlet and an outlet, where the coolant tank contains the coolant. The device is fluidly coupled to the inlet and the outlet of the coolant tank.

Abstract: A heating system for heating at least one of a fluid-filled conduit arrangement and a volume of air includes an internal combustion engine provided with engine coolant that flows to and from the engine and is heated thereby. A fluid heat exchanger is provided in fluid communication with a heat transfer fluid stored in a reservoir and the engine coolant of the internal combustion engine. The fluid heat exchanger receives heated engine coolant from the internal combustion engine, and transfers heat from the heated engine coolant to the heat transfer fluid to provide heated transfer fluid. A heat generator is provided in fluid communication with the fluid heat exchanger, and receives the heated transfer fluid from the fluid heat exchanger for further heating. This heated transfer fluid may then be selectively used to heat a conduit or a volume of air.

Abstract: A heat dissipation apparatus includes an expansion base, an air duct, a fan, and a portable device. An air inlet slot, a first inserting slot, and a second inserting slot are defined in the expansion base. The air duct is inserted in the first inserting slot. A first air inlet opening and a plurality of diagonal air outlet slots are defined in the air duct. The portable device is inserted in the second inserting slot. A first airflow passage is defined between the air inlet slot, the fan, the first air inlet opening, the air duct, and the plurality of air outlet slots. The fan is adapted to generate airflow through the portable device in such a manner that airflow flows from the expansion base outside is sucked into and blown out of the air duct via the first airflow passage.

Abstract: A heat dissipation apparatus includes an expansion base, an air duct, a fan, a heat sink, and a portable device. A number of air inlet slots is defined in the expansion base. A first air inlet opening and a number of diagonal air outlet slots are defined in the air duct. A third air inlet opening and a third air outlet opening are defined in the portable device. The fan generates airflow through the portable device in such a manner that airflow flows from the expansion base outside is sucked into and blown out of the air duct via a first airflow passage. The portable device guides airflow in and out of the portable device via a second airflow passage.

Abstract: A method includes preparing a bonding surface of a heat dissipating member, applying flux to the bonding surface of the heat dissipating member, and removing excess flux from the bonding surface so that minimal flux is provided. The method also includes preparing a die surface of an electronic device package, applying flux to the die surface, and removing excess flux from the die surface so that minimal flux is provided. The method further includes positioning a preform solder component on the die surface, positioning the heat dissipating member over the die surface and the preform solder component such that the flux layer of the bonding surface is in contact with the preform solder component, and reflowing the solder component using a reflow oven. A heat spreader is also described for use in the process.

Abstract: A method for manufacturing an integral molded cooling device, a circulation channel of a refrigerant being formed in the inside of the cooling device, the method includes: laminating a channel forming plate, a top plate and a bottom plate, a plurality of comb tooth units being provided on the channel forming plate; and integrating the channel forming plate, the top plate and the bottom plate by diffusion joining.

Abstract: A heat exchanger apparatus including at least one cooling channel formed within and about an engine booster lip or an engine nacelle and configured to receive a flow of a circulating working fluid; and at least one fluid port communicating with the at least one cooling channel and an exterior of the engine booster lip or the engine nacelle.

Abstract: A roller for forming heat transfer elements may include a central shaft and a plurality of roller elements. The plurality of roller elements may be stacked on the central shaft. Each roller element defines an outer periphery, which is configured to include a geometrical characteristic thereacross. The stacked roller elements, either stacked on the central shaft or stacked without using the central shaft, configures the roller with a circumferential surface corresponding to the geometrical characteristic of the stacked roller elements, to form the heat transfer elements corresponding to the circumferential surface.

Abstract: A method and an apparatus are provided for cooling a heat source using a refrigerant flow in a heat exchanger. According to some embodiments, a flow property of the refrigerant as it flows through a heat exchanger is measured and based on the measurement a flow distribution rate for the flow of the refrigerant in the heat exchanger is determined. A valve is operated for adjusting the flow rate of the refrigerant in the heat exchanger according to the determined flow distribution rate.

Abstract: An independent power system provides electrical power to an electric submersible pumping system positioned in a well that produces petroleum products. The independent power system includes a generator and an engine connected to the generator. The engine is preferably provided with combustible gases from the petroleum products of the well. The independent power system further includes an integrated control system that is connected to the electric submersible pumping system and the generator. The independent power system is configured to balance the loads created by the electric submersible pumping system with the output from the electrical generator.

Abstract: Mineral particles may provide for wellbore fluids with tailorable properties and capabilities. Such wellbore fluids may be included as a portion of a wellbore drilling assembly that includes a pump in fluid communication with a wellbore via a feed pipe; and a wellbore fluid disposed in at least one selected from the group consisting of the pump, the feed pipe, the wellbore, and any combination thereof, wherein the wellbore fluid comprises a base fluid and a plurality of mineral particles, for example, mineral particles that comprise at least one selected from the group consisting of manganese carbonate, NixFe (x=2-3), copper oxide, and any combination thereof, the mineral particles having a median diameter between about 5 nm and about 5000 microns.

Abstract: A submersible pump can include a male part that includes an outer diameter; a female part that includes an inner diameter; an elastomeric seal element disposed between the male part and the female part; and a non-elastomeric seal element disposed between the male part and the female part. Various other apparatuses, systems, methods, etc., are also disclosed.

Abstract: A submersible pump can include a male part that includes an outer diameter; a female part that includes an inner diameter; an elastomeric seal element disposed between the male part and the female part; and a non-elastomeric seal element disposed between the male part and the female part. Various other apparatuses, systems, methods, etc., are also disclosed.

Abstract: A downhole assembly includes a wave seal packer including a wave portion having a wave form shape in an un-expanded condition. The wave portion configured to radially encircle a tubular with alternating and interconnected uphole and downhole portions. The packer having a substantially uniform internal radius in the un-expanded condition.

Abstract: Device, system, and method to adhesively bond a sleeve to a mandrel are disclosed. The sleeve and the mandrel may be used as part of frac plug or a bridge plug in oil and gas applications. The bonded adhesive connection with grooves is strengthened to reliably achieve higher levels of lap shear strengths than attainable by conventional means.

Abstract: Disclosed is a nozzle apparatus attached to a pressurized liquid source wherein the nozzle apparatus that can be inserted downhole into a well casing. The nozzle apparatus comprises an attachment component of at an open end of a hollow cylinder that comprises the nozzle. The nozzle is in communication with a pressurized liquid supply source. The hollow cylinder extends from the attachment component. The cylinder has a closed end; and a plurality of apertures extending from an interior surface of the hollow cylinder to an outer surface of the hollow cylinder sides. The outer surface of the nozzle cylinder can be uneven. The outer surface of the nozzle cylinder can have an unequal radius. The nozzle surface can contain bypass slits. In one embodiment the nozzle can have a threaded attachment component at the bottom. A scrapper or other cleaning device can be attached to the threaded component.

Abstract: An apparatus for securing a transmission line in a downhole component includes: an element coupled to an exterior surface of the transmission line, the transmission line configured to be disposed in a communication conduit that extends through the downhole component, the element configured to restrict axial movement of the transmission line within the communication conduit.

Abstract: An autonomous inflow control system for use downhole comprises a flow ratio control system comprising one or more fluid inlets, and a pathway dependent resistance system comprising a vortex chamber. The one or more fluid inlets provide fluid communication between the flow ratio control system and the pathway dependent resistance system, and at least one of the one or more fluid inlets comprises a super hydrophobic surface.

Abstract: Systems and methods that utilize bremsstrahlung radiation may be used to facilitate the setting of a settable composition. For example, a method may include providing a settable composition in a portion of a wellbore penetrating a subterranean formation, a portion of the subterranean formation, or both; conveying an electron accelerator tool along the wellbore proximal to the settable composition; producing an electron beam in the electron accelerator tool with a trajectory that impinges a converter material, thereby converting the electron beam to bremsstrahlung photons; and irradiating the settable composition with the bremsstrahlung photons.

Abstract: A snubbing apparatus for a wellhead has a snubbing stack with a upper sealing element and a lower sealing element that seal between the elongate string and the snubbing stack. A string driver carried by the snubbing stack manipulates the elongate string through the upper and lower sealing elements. There is a source of inert liquid connected to the snubbing stack between the upper sealing element and the lower sealing element. A pressure sensor is connected to sense the pressure below the lower sealing element and is connected to provide a pressure signal to the source of inert liquid. The source of inert liquid is configured to pressurize the snubbing stack between the upper sealing element and the lower sealing element in response to the pressure signal.

Abstract: A method, apparatus and program product utilize infeasible regions projected onto sets of substantially parallel feasibility planes extending through a subsurface region to perform anti-collision and other types of hazard avoidance analysis. Hazards, e.g., existing well trajectories, that intersect the feasibility planes, as well as any uncertainties associated therewith, may be represented as infeasible regions in the feasibility planes, such that an analysis of the feasibility of a proposed well trajectory may be determined in a computationally efficient manner through a comparison of the locations, within one or more feasibility planes, of the proposed well trajectory and any infeasible regions defined in such feasibility planes.

Abstract: An apparatus and method for the actuation of down-hole tools are provided. The down-hole tool that may be actuated and controlled using the apparatus and method may include a reamer, an adjustable gauge stabilizer, vertical steerable tools, rotary steerable tools, by-pass valves, packers, whipstocks, down hole valves, latch or release mechanisms and/or anchor mechanisms.

Abstract: A packer is disclosed comprising a body with a first end and a second end, wherein the first end and the second end are configured to establish a connection with downhole equipment and wherein at least one of the first end and the second end is configured to establish a fluid flow between the downhole equipment, at least one guard drain, at least one sample drain, at least one guard drain flow line, at least one sample drain flow line configured to transport fluid flow from and to the at least one sample drain and one of the first end and the second end of the body, two swivel connections and a sealing element.

Abstract: A method of extracting hydrocarbon-containing organic matter from a hydrocarbon-containing material includes the steps of providing a first liquid comprising a turpentine liquid; contacting the hydrocarbon-containing material with the turpentine liquid to form an extraction mixture; extracting the hydrocarbon material into the turpentine liquid; and separating the extracted hydrocarbon material from a residual material not extracted.

Abstract: Disclosed herein are water-soluble polymers comprising hydrolyzable cross-linked monomer units, and methods for recovering hydrocarbon fluids from a subterranean formation using the water-soluble polymers.

Abstract: The disclosure is directed to polyelectrolyte complex nanoparticles that can be used to deliver agents deep into hydrocarbon reservoirs. Methods of making and using said polyelectrolyte complex nanoparticles are also provided.

Abstract: A wellbore treatment tool for setting against a constraining wall in which the wellbore treatment tool is positionable, the wellbore treatment tool including: a tool body including a first end formed for connection to a tubular string and an opposite end; a no-go key assembly including a tubular housing and a no-go key, the tubular housing defining an inner bore extending along the length of the tubular housing and an outer facing surface carrying the no-go key, the no-go key configured for locking the no-go key and tubular housing in a fixed position relative to the constraining wall, the tubular housing sleeved over the tool body with the tool body installed in the inner bore of the tubular housing; and a sealing element encircling the tool body and positioned between a first compression ring on the tool body and a second compression ring on the tubular housing, the sealing element being expandable to form an annular seal about the tool body by compression between the first compression ring and the second c

Abstract: Mineral particles may provide for wellbore fluids with tailorable properties and capabilities, and methods relating thereto. Mineral particles may be utilized in methods that include introducing a wellbore fluid having a density of about 7 ppg to about 50 ppg into a wellbore penetrating a subterranean formation, the wellbore fluid comprising a base fluid and a plurality of mineral particles, and the wellbore fluid having a first viscosity; contacting at least some of the mineral particles with a linking agent so as to link the at least some of the mineral particles, thereby increasing the first viscosity to a second viscosity.

Abstract: Compositions and methods for hydrocarbon exploration and production operations, such as subterranean cementing operations that allow for greater control over the setting of fluids or slurries used during such operations including placing a sealant composition having a polymerizable additive into a wellbore penetrating a subterranean formation, and subjecting the sealant composition to a radiation dose of from about 1 to about 1000 grays, so as to form a seal therein.

Abstract: A method of servicing a wellbore within a subterranean formation comprising providing a first wellbore tubular positioned within a second wellbore tubular creating a tubular flowpath and an annular flowpath, wherein the tubular flowpath and the annular flowpath converge in a mixing zone within the wellbore, placing an annular fluid through the annular flowpath, placing a tubular fluid through the tubular flowpath, and contacting the annular fluid and the tubular fluid in the mixing zone to form a composite fluid, wherein the composite fluid comprises a base fluid component, a proppant component, a crosslinkable polymer component, a crosslinking agent component, and an optional buffering agent component and wherein the components of the composite fluid are apportioned between the annular fluid and the tubular fluid such that reaction of the components to form the composite fluid is inhibited until the components of the composite fluid mix within the mixing zone.

Abstract: A downhole steam generation system may include a burner head assembly, a liner assembly, a vaporization sleeve, and a support sleeve. The burner head assembly may include a sudden expansion region with one or more injectors. The liner assembly may include a water-cooled body having one or more water injection arrangements. The system may be optimized to assist in the recovery of hydrocarbons from different types of reservoirs. A method of recovering hydrocarbons may include supplying one or more fluids to the system, combusting a fuel and an oxidant to generate a combustion product, injecting a fluid into the combustion product to generate an exhaust gas, injecting the exhaust gas into a reservoir, and recovering hydrocarbons from the reservoir.

Abstract: A method of extracting hydrocarbon-containing organic matter from a hydrocarbon-containing material includes the steps of providing a first liquid comprising a turpentine liquid; contacting the hydrocarbon-containing material with the turpentine liquid to form an extraction mixture; extracting the hydrocarbon material into the turpentine liquid; and separating the extracted hydrocarbon material from a residual material not extracted.

Abstract: A method and system for generating an ionized fluid, injecting the ionized fluid into fissures in a subterranean formation, pressurizing the ionized fluid, whereby the crystalline structure of a portion of the shale deposits located at the fissures are changed into suspended particles, whereby the depressurization of the ionized fluid forces the suspended particles out of the fissures, increasing the flow of hydrocarbons from those fissures.

Abstract: A subsea installation kit is described. The kit is provided with a subsea tree, a plurality of tubing sections, a plurality of acoustic repeaters and a mechanical filter. The subsea tree is configured to be coupled to a subsea well having a wellbore. The tubing sections are configured to be connected together to form a tubing string extending from above the tree into the wellbore. The acoustic repeaters are configured to be attached to the tubing string in a spaced apart manner. One of the acoustic repeaters is a last acoustic repeater configured to be attached to the tubing string within or above the tree. The mechanical filter is configured to be connected into the tubing string and form a part of the tubing string above the last acoustic repeater, the mechanical filter configured to cause an attenuation to acoustic signals propagating in the tubing string above the tree.

Abstract: A system and methodology facilitates utilization of a valve and a cutter both of which may be used in a subsea test tree. The valve comprises a ball element pivotably mounted in a housing and having an exterior surface and a passageway sized to receive a conveyance therethrough. The cutter also is located in the housing but at a position spaced from the ball element. The cutter is oriented for selective severing of the conveyance. Additionally, a seal system is positioned to act against a surface of the ball element.

Abstract: A hydraulic accumulator assembly in which a hydraulic accumulator is associated with at least one responsive unit, which is responsive to the weight of the accumulator to provide an indication dependent on the weight of the accumulator. The accumulator is in an underwater fluid extraction well facility.

Abstract: A fluid handling system comprising an annular sealing device and a flow control system to divert fluid flow from an annulus of a riser package to a control system located on a rig. A method of installing a fluid handling system on a riser package from a rig comprises connecting the fluid handling system to an upper end of a riser string, supporting the fluid handling system and the riser string using a first tubular handling device, and lowering the fluid handling system and the riser string to an operating position.

Abstract: An example method for mobile workflow orchestration and job execution for a hydrocarbon recovery operation may include generating a workflow corresponding to the hydrocarbon recovery operation and providing the workflow to a first information handling system located at the site of the hydrocarbon recovery operation. The workflow may also be provided to a second information handling system remote from the site of the hydrocarbon recovery operation. Information regarding the workflow may be received from the first information handling system, and the workflow at the second information handling system may be updated based, at least in part, on the information received from the first information handling system.

Abstract: A gas lift system is provided for use in unloading a fluid from a perforation interval of a subterranean well to facilitate producing gas from a gas-bearing formation. The system may include a packer having dual ports, a tubing string running from the surface to the packer for producing the well, and an injection tool extending below from the packer into the perforation interval. The injection tool may include at least one gas lift valve for injecting gas into the perforating interval of the well.

Abstract: A tube wave reduction system for a borehole includes a tubular member; one or more openings in the tubular member, the one or more openings having a through-passage and a deformation region surrounding the through-passage; and an absorber in fluid communication with the one or more openings. Also included is a method for reducing an effect of a tube wave.

Abstract: An apparatus for engaging and moving a ram block. In some embodiments, the apparatus, or ram block changer, includes a support bracket coupled to a blowout preventer and an articulated arm releasably coupled to the ram block. The ram block changer may further include a pivot coupling assembly having a first axis of rotation. The pivot coupling assembly extends through the support bracket and the articulated arm, wherein the articulated arm is rotatable about the first axis of rotation relative to the support bracket. The articulated arm may include a first member receiving the pivot coupling assembly therethrough, a second member coupled to the ram block, and a second pivot coupling assembly having a second axis of rotation spaced apart from the first axis of rotation and extending through the first and second members. The second member is rotatable about the second axis of rotation relative to the first member.

Abstract: A plug includes a slip actuator for setting and release of slips, and a locking element in contact with the slip actuator. The locking element includes multiple parts with internal threads which constitute an enclosure around threads of a pipe. On the radial outer surface of the locking element are provided resilient elements. When setting the plug, the locking element is capable of sliding over the pipe threads for movement of the slip actuator and setting of the slips, until the locking element comes into engagement with a locking sleeve, fixed relative to the pipe, which prevents rotation of the locking element. When releasing the plug, the locking element is released from the locking sleeve, and the locking element rotates off the pipe threads, and the slip actuator follows the movement of the locking element and releases the slips.

Abstract: An improved multi-bolt and nut torque wrench for installing and removing bolts or nuts from flanged joints or the like which includes a plurality of torque stations having a plurality of high torque wrenches for engaging the heads of the bolts or nuts during a high torque phase of removal or installation; a plurality of low-torque motors operatively engaged with the wrenches for rotating the bolts or nuts during the low torque phase of removal or installation; a source of hydraulic fluid for driving the low-torque motors during the low-torque phase, and driving the high-torque wrenches during the high torque phase; and a mechanism for switching between the two phases depending on the torque needed.

Abstract: A collet coupling for electric submersible pumps is provided. An example coupling for joining two shafts includes a tubular coupling member, and collet for fixing the coupling to a shaft via expandable fingers with ribs for latching into a groove on each shaft. Shoulders in the groove transmit axial load forces between the two shafts through the ribs, fingers, and collet. An example method includes attaching one end of the coupling to a shaft of an ESP unit already installed in a well, adjusting an axial reach of a threaded collet for attachment to a second shaft of an upper ESP unit, and engaging ribs of the collet into a groove of the second shaft to couple the two shafts. A sliding retainer allows quick release. An axial deviation distance may be factory-stamped on the ESP units for quick length adjustment and installation of collet couplings in the field.

Abstract: An apparatus for maintaining tension of a transmission line in a tubular includes a first clamp segment configured to surround at least a portion of a transmission line and a second clamp segment configured to surround at least a portion of the transmission line. The second clamp segment has a first axial end and a second axial end. The first axial end is configured to contact an axial end of the first clamp segment, such that the first clamp segment and the second clamp segment are configured to apply a force in opposite radial directions to clamp the transmission line with respect to the tubular to lock a position of the transmission line with respect to the tubular.