Abstract: Disclosed herein is a composite core die comprising a reusable core die; and a disposable core die; wherein the disposable core die is in physical communication with the reusable core die; and further wherein surfaces of communication between the disposable core die and the reusable core die serve as barriers to prevent the leakage of a slurry that is disposed in the composite core die.

Abstract: In order to produce a steel strip (1), a continuous casting and rolling installation comprises a liquid steel storage device (2), a liquid steel charging device (3), a vertically operating casting device (5) with a revolving mold (6), a reduction device (7) with a plurality of roll pairs (8), a diverting device (9) for diverting the cast steel strip (1) into a horizontal position, a horizontally operating rolling mill (10) and a winding device (11), which are controlled via individual technological control loops (2? to 11?).

Abstract: A system for producing cast components from molten metal. One form of the present invention includes a system for the precision pouring of molten metal within a casting mold. The precision pouring system is driven by a pressure differential.

Abstract: Disclosed is a sand casting molding machine for double indexing molds in a mold string. The machine can include a shot chamber having sand, a swingable squeeze head, a lateral squeeze head, a core setter, a mold hold down, a mold retention device and a mold string conveyor.

Abstract: The present invention discloses an interface device to control a climate control system for automotive vehicles having at least one first command to drive a heating equipment and/or at least one second command to drive a cooling equipment and/or at least one third command to drive an ambient air flow control equipment, the first and/or second and/or third drive commands only altering the working status of the respective first, second and third equipments by direct control of the user, the device also comprising at least one printed circuit board or the like having means that enable the conversion of the movements of the first and/or second and/or third commands into electrical information visualized on a digital display.

Abstract: In a heat treatment device including a heating chamber having a heating plate heating a semiconductor wafer, a cooling plate cooling the wafer heated by the heating chamber, and a transporting device transporting the wafer into and from the heating chamber, the cooling plate is provided with a coolant passage, a plurality of projections carrying the wafer with a space between the wafer and the surface of the cooling plate, and suction holes neighboring to the respective projections and connected to a suction device.

Abstract: The invention relates to a frame part (10) for a tubular heat exchanger. The frame part (10) according to the invention is designed for being fastened (10) to a tubular body that is constituted of a number of parallel tubes through which a heat-exchange medium flows. The tubes run at both ends into a collecting tube which extends at an angle to the tubes. The tubular heat exchanger is provided with a frame part (10) on at least one of the sides of the tubular body that runs parallel to the tubes. Said frame part occludes the tubular heat exchanger from the exterior and can be at least indirectly linked with the collecting tubes. According to the invention, the frame part (10) has at least one predetermined breaking point (20).

Abstract: A heat exchanger system for use with heavy equipment including a heat exchanger rotatable about a horizontal axis out of a frame.

Abstract: A heat dissipation module including a housing, a fan module, a cooling fin set, and a heat pipe is provided. The housing has a fan accommodation area, a first heat dissipation area, a second heat dissipation area, and a heat conducting area. The fan module is disposed in the fan accommodation area, and the cooling fin set is disposed in the first heat dissipation area. The heat pipe has a heat absorbing portion, a curved portion, and a heat dissipation portion, and the curved portion connects the heat absorbing portion and the heat dissipation portion. The curved portion is in thermal contact with the second dissipation area, and the heat dissipation portion is in thermal contact with the cooling fin set. Thus, the efficiency of heat dissipation of the heat pipe is improved.

Abstract: A heat-exchanging device comprising a heat exchanging layer, having a heat transfer contact surface designed to be subjected to a heat flux of a heat dissipating element and flow passages whose inlets and outlets are located on at least a first active surface that is substantially opposite the heat transfer contact surface; a manifold comprising a housing with a top cover, and alternating supply and evacuation substantially parallel channels, the channels having openings on a second active surface for fluidically communicating with the first active surface of the hear exchanging layer, each channel having at least another opening for coolant supply or for evacuating the coolant from the device. When the manifold and the heat exchanging layer are coupled and coolant fluid is supplied through the manifold, local U-shaped flow patterns are established in the heat exchanging layer, towards and away from the heat transfer contact surface in a local manner.

Abstract: A method and an apparatus for the efficient transfer of heat utilizing micro heat pipes that include a cellular foam or interconnected cellular/truss network having hollow ligaments. A predetermined fraction of the internal volume of the hollow ligaments is filled with a carefully chosen working fluid, and the ends of the hollow ligaments are sealed. In operation, the working fluid evaporates in the region of high heat flux and condenses in regions of lower temperature, resulting in the transfer or redistribution of the fluid's latent heat of vaporization. For open cell foams and interconnected networks, a second fluid flowing through the open cells, separate from the working fluid but also in thermal contact with the hollow ligaments, assists in the transfer of heat from the foam and networks.

Abstract: A composite mode transducer for dissipating heat generated by a heat generating element is disclosed. The composite mode transducer includes a transducing module and connection elements. The transducing module includes first and second transducing elements connected in parallel. The connection elements are connected to resonance nodes of the first and second transducing elements. The first and second transducing elements are driven by a multiple-frequency resonance circuit, to produce resonance vibration of composite modes at resonance vibration frequencies of the system. The resulting advantages by using the composite mode transducer are: elimination of local stress concentration, and enhancement of efficiency, endurance and stability of the system. Accordingly, drawbacks of the prior art are overcome. The present invention further provides a cooling device with the composite mode transducer.

Abstract: A small and thin heat pipe with enhanced heat conductivity. Between an upper member having a grid-like upper concave portion on an inside lower surface and a lower member having a grid-like lower concave portion on an inside upper surface are provided intermediate plate members. The members are each formed with multiple vapor diffusion flow paths extending in a planar direction, communicating with the concave portions of the members, respectively. Thus, a sealed space is defined therebetween so that a refrigerant is enclosed therein. Capillary flow paths are formed through a portion of the members except where the vapor diffusion flow paths are formed such that the capillary flow paths extend vertically or both vertically and horizontally, communicating with the concave portions of the members.

Abstract: A heat dissipation device includes a heat sink including a base and a plurality of fins on the base. Each of the fins includes a body stamped with at least a flap toward an adjacent fin. A plurality of passages is defined between adjacent fins. A fan is attached to the heat sink for providing forced airflow to the heat sink. The at least a flap of the body of each of the fins leans from the fan toward a heat-accumulating portion of the heat sink to guide a stream of the airflow from the fan to the heat-accumulating portion of the heat sink. The heat-accumulating portion is either a connecting portion between the fins and heat pipes, or the base of the heat sink.

Abstract: A device for cooling integrated circuits on circuit boards. A base placed proximate the element to be cooled contains an actuator that forces a cooling liquid through a plurality of channels that dissipate heat generated by the element. The base with the actuator, liquid and channels is sealed with a top. Preferred actuators are electric motors, and MEMS such as electrostatic actuators and piezoelectric actuators. The base has a large surface area relative to the thickness of the chamber The ratio of the surface area to thickness may range from about 40:1 to about 5:1.

Abstract: Devices and methods for cooling microwave antennas are disclosed herein. The cooling systems can be used with various types of microwave antennas. One variation generally comprises a handle portion with an elongate outer jacket extending from the handle portion. A microwave antenna is positioned within the handle and outer jacket such that cooling fluid pumped into the handle comes into contact directly along a portion of the length, or a majority of the length, or the entire length of the antenna to allow for direct convective cooling. Other variations include cooling sheaths which form defined cooling channels around a portion of the antenna. Yet another variation includes passively-cooled systems which utilize expandable balloons to urge tissue away from the surface of the microwave antenna as well as cooling sheaths which are cooled through endothermic chemical reactions. Furthermore, the microwave antennas themselves can have cooling lumens integrated directly therethrough.

Abstract: A heat exchanger which, while having excellent heat exchanging performance, has a structure easy to produce, is of low cost, and has high quality and reliability. The heat exchanger has first base plates (26), in each of which first slits (30) and second slits (40) are provided in substantially parallel to each other, and has second base plates (28), in each of which third slits (50) with substantially the same shape as a first slit (30) are provided. The length in the longitudinal direction of a second base plate (28) is set to be less than the length of a second slit (40). The first base plates (26) and the second base plates (28) are layered over each other such that the first slits (30) provided in the first base plates (26) and the third slits (50) provided in the second base plates (28) are communicated. Flow paths (60) outside tubes are constructed by the first slits (30) provided in the first base plates (26) and the third base plates (50) provided in the second base plates (28).

Abstract: A heat exchanger comprising hollow thermoplastic tubes, which are fusion bonded with a thermoplastic resin to form unified terminal end blocks (32, 34), is disclosed. The hollow tubes may be shaped by plaiting or braiding the tubes into cords (70, 72) and then thermally annealing the cords (70, 72) to set the crests and bends of the plait or braid. The cords (70, 72) provide improved flow distribution of fluid about the hollow tubes in the heat exchanger. The heat exchanger is chemically inert and is useful for cross-flow filtration, as well as for heat- and mass-transfer applications in harsh chemical environments.

Abstract: The invention relates to a heat exchanger (1) having a plurality of tubes (4) and at least one box (3) that is closed by a bottom (2) provided with openings (6), at least one end (5) of the tubes (4) leading to said box.

Abstract: In a heat exchanger in which the number of parts is small, assembling is easy, bonded portions of each part are fewer and reliability of brazing is improved, a core body is constituted by turning up and bending a strip-shaped metal plate in a fanfold manner, and first flow passages and second flow passages are formed alternately in the thickness direction. Both ends of each of the first flow passages are blocked by each come tooth of a pair of comb-state members, and a fin is set within the second flow passages so as to constitute a core. And in the heat exchanger in which a cylindrical casing is fitted with the outer periphery of the core body, the comb-state member has its tooth base crossing perpendicularly with each of the comb tooth and a root of each comb tooth bent in the L-shape along the tooth base, the plane of the tooth base is brought into contact with a turned-up end edge, and each connection portion between the comb-state member and the core body is integrally brazed/fixed.

Abstract: A pipe connecting structure for a heat exchanger having a header portion or manifold defined by a plurality of parallel elongate header tubes, connector block having a side face adapted to abut against a side region of an outer one of the header tubes and connection means configured to connect a pipe thereto, and joining means. The joining means include at least one elongate tubular member having a first end adapted to be inserted through a hole formed in a first side wall of at least the outer one of the header tubes, and a second end extending through a corresponding hole in the side face of the connector block, whereby the second end communicates with the connection means.

Abstract: A finned tube for the thermal cracking of hydrocarbons in the presence of steam is defined by a tube axis and includes a plurality of inner fins. The fins are inclined at an angle of 20° to 40° in relation to the tube axis and have a flank angle of 16° to 25°.

Abstract: The present invention relates to a modular apparatus and methods for active heat exchange involving continuous atomization of chilled or heated fluid droplets, droplets projection, and formation of fluid film on a large surface for reciprocal two way heat transfer with circulating air. A closed, pleated, corrugated, thin-wall, heat conductive chamber (1) provides the large surface for formation of fluid film and separation between fluid and air offering short and rapid heat conductive path between fluid and air. An axial blower (11) integrated with the heat exchanger module provides re-circulation of air where the heat exchanger module (28) is situated. The modular heat exchanger (28) or multiple of which is integrated with other components such as a refrigeration unit (37), a heating element (25), and a central fluid reservoir (23) in which fluid is pre-chilled or preheated in the application of air conditioning and heating.

Abstract: The present invention provides for high volume flow from a well. A retrievable formation isolation valve allows high volume flow through the remaining casing or tubing. Alternatively, a large bore valve configuration that is not retrieved, but remains as part of the casing, can be used. The present invention also includes methods to allow for high volume flow using retrievable isolation valves or large bore valves.

Abstract: A milling assembly can be delivered downhole on wireline. Once at the desired location, a processor extends centralizing and driving wheels to initially position the assembly. The assembly has a cutter end with one or more mills or cutters that can be selectively radially extended. The entire cutter end can be rotated in an arcuate manner over a predetermined range. One or more cutter can be extended at a time and driven. The wheels are driven either in an uphole or downhole direction at the same time the arcuate motion can take place. Using a processor, different shapes in a surrounding tubular can be made such as windows for laterals, a plurality of openings for production or interior locator surfaces to properly position subsequent equipment with respect to openings already made by the device.

Abstract: An apparatus and method for separating the output fluids of a well by way of efficiently applying heat to the fluids. Separation takes place in a sealed vessel to which heat is applied to the fluid by contact with a multi-pass firetube assembly through which hot exhaust gas is expelled from a forced draft burner. The firetubes forming the assembly are of smaller diameter than used in conventional separators and not subject to high leakage experienced in conventional separating vessels, and the heat transfer is highly efficient resulting in less fuel consumption and less emission of greenhouse gases.

Abstract: A tubular gripping system and a top drive drilling system with such a tubular gripping system, in at least some aspects, the gripping system beneath the top drive unit and, in at least some aspects, the gripping system having a body with four spaced-apart grippers movably connected thereto and piston/cylinder devices movably interconnected with each gripper for moving the grippers to clamp the tubular.

Abstract: A wellhead seal assembly forms a metal-to-metal seal between the inner and outer wellhead members. A metal seal ring has inner and outer conical walls separated by a tapered slot. An energizing ring has inner and outer annular members that are separated by an annular cavity. When the energizing ring is moved further into the slot, the cavity width decreases but remains to provide a preloaded radial force to the seal ring.

Abstract: An apparatus for use in wellbore operations, the apparatus including a main body, two support ears spaced-apart and projecting from the main body, each inner ear part having an inner part, and an outer ear part, the inner part able to support more weight than the outer part; and, in certain aspects, structure for preventing a large support link from being positioned on an outer ear part; the apparatus, in certain aspects, being any of a link adapter, a block adapter, a becket, an elevator, and a drilling hook.

Abstract: Disclosed herein is a selectively operable timing device in operable communication with a force reducing mechanism, the mechanism restraining an effect of an external force on a tool member, that force being restrained to time actuation of a separate tool.

Abstract: The invention is directed to a tool for cleaning subsea conduits, such as unjacketed risers or risers jacketed with strakes or other vortex induced vibration (“VIV”) suppression devices.

Abstract: Methods for developing an offshore field comprising deploying a lead drilling and production vessel to a offshore field to drill and complete at least one well. Production from the at least one well is initiated and evaluated. A secondary production vessel is selected based upon the evaluated production and is deployed to the offshore field to replace the lead drilling and production vessel and support production of the at least one well.

Abstract: The invention relates to the oil-extracting industry and is intended for increasing petroefficiency of an oilfield and petroleum production in oily and depleted oil layers. The invention may be also applied in gas-production industry. It provides for increasing petroefficiency of an oilfield and petroleum production due to use of tidal stretching and compression of the earth's crust owing to solar-lunar influences on it. The essence of the invention: periodic external physical influences are exerted on an oil-bearing layer depending on solar-lunar influences on the earth's crust. Thus the physical influences are applied in a zone of oil-bearing layer during compression of the earth's crust at solar-lunar ebbs. They take into account the set of amplitudes of solar-lunar influences.

Abstract: A valve includes a tubular valve housing, a valve seat, a valve element and a sensor. The valve seat is located in a central passageway of the housing and defines a first portion of the central passageway above the valve seat and a second portion of the central passageway below the valve seat. The valve element controls flow through the valve seat. The sensor is fixed to the housing to measure an attribute that is indicative of a state of the valve.

Abstract: A method of characterizing the productivity of open hole gas well involves characterizing the chemical and/or isotopic composition of the gas contributing strata from a series of discrete samples by degassing the mud during drilling This data is then used to de-convolute the combined or mixed gas during well production after drilling is complete to determine the relative contributions of the now characterized strata.

Abstract: A method of monitoring a nonhydrocarbon and nonaqueous fluid injected into the earth's subsurface through a first wellbore that involves positioning a fluid analysis tool within a second wellbore and determining the presence of the injected nonhydrocarbon and nonaqueous fluid by making a measurement downhole on the injected nonhydrocarbon and nonaqueous fluid using the fluid analysis tool. Also a related method of enhancing hydrocarbon production from a subsurface area having first and second wellbores that involves injecting a nonhydrocarbon and nonaqueous fluid into the subsurface through the first wellbore, positioning a fluid analysis tool within the second wellbore, and determining the presence of the injected nonhydrocarbon and nonaqueous fluid by making a measurement downhole on the injected nonhydrocarbon and nonaqueous fluid using the fluid analysis tool.

Abstract: A wellhead gas recovery system and method for the generation of power from wellhead gas is provided. A gas conduit is used to direct wellhead gas from a wellhead casing or wellhead bore to a stirling engine where the wellhead gas is used as the fuel source for the stirling engine. The wellhead gas is ignited and the burning wellhead gas is used as the heat source for the stirling engine. The thermal energy from the burning wellhead gas is converted transferred into motion by the stirling engine and the output of the stirling engine can be used to drive devices at the wellsite, generate electricity or other use.

Abstract: Methods and systems and are described for isolating or manipulating a sample of a heavy oil composition from a hydrocarbon reservoir. One method embodiment of the invention comprises circulating a heated fluid in a first region of a reservoir where a heavy oil composition is present or believed present using a surface pump and a well completion comprising a downhole pump for a time and flow rate sufficient to produce flowable heavy oil composition, the well completion comprising a sampling tool; and sampling the flowable heavy oil composition using the sampling tool. This abstract complies with rules requiring an abstract. It should not be used to limit the scope or meaning of the claims. 37 CFR 1.72(b).

Abstract: Conventional formation evaluation with dual inflatable packers includes the steps of pressurizing the packers so as to isolate an annular portion of the borehole wall, collecting one or more samples of formation fluid via the isolated portion of the borehole wall, and depressurizing the packers so as to permit movement of the mandrel within the borehole. A sampling method and apparatus that utilize one or more of the following to advantage is provided: restricting deformation of the packers during inflation using an annular bracing assembly; actively retracting the packers using ambient borehole pressure; and substantially centralizing the mandrel intermediate the packers so as to resist buckling of the mandrel.

Abstract: Oil-contaminated clay dispersions in final tailings pond water from a bitumen extraction operation are used in downhole catalytic steam production for an in situ process such as SAGD to produce bitumen. The final tailings pond water is thus disposed of in an environmentally acceptable manner and a suitable source of water is made available for steam generation and subterranean injection.

Abstract: A method of heterogeneous proppant placement in a subterranean fracture is disclosed. The method comprises injecting well treatment fluid including proppant (16) and proppant-spacing filler material called a channelant (18) through a wellbore (10) into the fracture (20), heterogeneously placing the proppant in the fracture in a plurality of proppant clusters or islands (22) spaced apart by the channelant (24), and removing the channelant filler material (24) to form open channels (26) around the pillars (28) for fluid flow from the formation (14) through the fracture (20) toward the wellbore (10). The proppant and channelant can be segregated within the well treatment fluid, or segregated during placement in the fracture. The channelant can be dissolvable particles, initially acting as a filler material during placement of the proppant in the fracture, and later dissolving to leave the flow channels between the proppant pillars.

Abstract: A method of reducing water influx into a wellbore, wherein the wellbore is in fluid communication with a subterranean formation such as a gas producing formation or gas reservoir. The method particularly places a gelant in a desired position down the wellbore and into the formation in order to thereby reduce the influx of water and enhance the resulting gas production. The method includes the steps of first introducing a gelant into the wellbore and second introducing a temporarily stable foam into the wellbore in order to overdisplace the gelant from the wellbore and into the formation.

Abstract: Method for treating a hydrocarbon containing formation are described herein. Methods may include providing heat to a first section of the formation with one or more first heaters in the first section. First hydrocarbons may be heated in the first section such that at least some of the first hydrocarbons are mobilized. At least some of the mobilized first hydrocarbons may be produced through a production well located in a second section of the formation. The second section may be located substantially adjacent to the first section. A portion of the second section may be provided some heat from the mobilized first hydrocarbons, but is not conductively heated by heat from the first heaters. Heat may be provided to the second section with one or more second heaters in the second section to further heat the second section.

Abstract: The present invention relates to proppants which can be used to prop open subterranean formation fractions. Proppant formulations are further disclosed which use one or more proppants of the present invention. Methods to prop open subterranean formation fractions are further disclosed. In addition, other uses for the proppants of the present invention are further disclosed, as well as methods of making the proppants.

Abstract: Sintered, spherical composite pellets having high strength and low density, are described, along with processes for their manufacture. One method includes forming a green pellet from a mixture of clay, bauxite or a clay-bauxite mixture with a sacrificial phase such that upon sintering of the pellet, the sacrificial phase is removed from the pellet. The use of such sintered pellets in hydraulic fracturing of subterranean formations is also described.

Abstract: A fluid loss control system for use in a well penetrating a subterranean formation includes a microgel for forming a monolayer on rock surfaces in fractures in the subterranean formation. A method for fluid loss control in a subterranean formation includes placing a fluid loss control solution in a wellbore penetrating the subterranean formation, wherein the fluid loss control solution comprises a microgel for forming a monolayer on rock surfaces in fractures in the subterranean formation.

Abstract: A wellbore fluid treatment apparatus capable of being actuated by a sealing device. The apparatus includes a casing including a bore and a casing port opened through the wall of the casing. The apparatus also includes a sleeve located within the casing bore. The sleeve includes a sleeve port opened through the wall of the sleeve and a baffle seat forming an inner flow area and configured to receive the sealing device. The sleeve is moveable by the sealing device between a closed position preventing fluid flow from the bore through the casing port and an open position allowing fluid flow from the bore through the sleeve port and casing port. The apparatus also includes a reverse cement shoe attached to the casing. The reverse cement shoe has a valve that allows the casing to be cemented by displacing cement only on the outside of the casing.

Abstract: A well system having a galvanic time release plug. A well system includes a flow passage and a flow blocking device which selectively obstructs flow through the passage, the device including an electrode in a galvanic cell. A flow blocking device for use in conjunction with a subterranean well includes a portion which delays an electrochemical reaction in a galvanic cell. A method of controlling fluid flow in a well system includes the steps of: obstructing flow through a passage using a flow blocking device which includes an electrode of a galvanic cell; and increasing flow through the passage by operation of the galvanic cell.

Abstract: A method of sealing a space in a wellbore formed in an earth formation, the method comprising the steps of inserting a plurality of swelleable particles into said space, the particles being susceptible to swelling upon contact with a selected fluid, and inducing said selected fluid to contact the swelleable particles whereby the swelleable particles swell so as to form a body of swollen particles in said space.

Abstract: Methods are provided that include a method comprising providing a resin composition comprising a resin and at least a plurality of filler particulates and introducing the resin composition into a well bore which penetrates at least a portion of a subterranean formation, wherein the resin composition does not form proppant aggregates or proppant particulates. In some embodiments, the resin composition may be introduced into the subterranean formation at a pressure below the fracture pressure of the subterranean formation. Additional methods and compositions are also provided.