Abstract: A substrate processing apparatus includes a vacuum container, a rotary table to rotate in the vacuum container, a substrate placement member mounted on the rotary table in a detachable manner, the substrate placement member and the rotary table together providing a recess in which a substrate is placed on an upper side of the rotary table, and the substrate placement member constituting a bottom surface in the recess on which the substrate is placed, a position regulating unit provided at least one of the rotary table and the substrate placement member to regulate a movement of the substrate caused by a centrifugal force during rotation of the rotary table, a reactant gas supply unit to supply reactant gas to the upper side of the rotary table, and a vacuum exhaust unit to exhaust the vacuum container.

Abstract: The item is an easy-to-operate bag sealer that can inflate as well as vacuum, for normal household use, to keep foodstuff fresh. In the front portion of the surface of the body is the bottom frictional pressboard bar that has a frictional surface on one side. Under the cover, facing the frictional surface of the bottom frictional bar is fitted with the upper frictional pressboard bar for vacuuming or inflating. The diagonal frictional force produced by the frictional surface of the bottom frictional pressboard bar and that of the upper frictional pressboard bar is enough to enable the cover to stay closed during the process of realizing the vacuuming and inflating functions. A heat wire is located in parallel to and in the front of the bottom frictional pressboard bar and under the cover is fitted with another coordinating pressboard bar for bag sealing.

Abstract: An optical fiber wiring apparatus provides an optical fiber on a sheet having a surface on which an adhesive layer is formed, and includes a bobbin on which the optical fiber is wound, a guide member, and a wiring roller. The guide member has a groove portion which guides the optical fiber drawn from the bobbin to the surface of the adhesive layer. The wiring roller is rotatable about an axis which is in parallel to the sheet and orthogonal to the length of the groove portion. The wiring roller presses the optical fiber guided by the groove portion onto the adhesive layer.

Abstract: The invention is directed to a method for manufacturing an optical display device comprising an optical film including a polarizing plate and a rectangular optical display unit having a surface to which the optical film is bonded, the method comprising the steps of: preparing a material roll which is a roll of a long sheet material obtained by lengthwise slitting a long material comprising an optical film into a width corresponding to a short or long side of the optical display unit, wherein the optical film includes a polarizing plate having a longitudinal direction parallel to its absorption axis; and unwinding the long sheet material from the material roll, cutting at least the optical film of the long sheet material to form an optical film having a length corresponding to a long or short side of the optical display unit, and then bonding the optical film to a surface of the optical display unit.

Abstract: A method is disclosed for reworking a bonded LCD having a substrate (e.g., plate or film) adhesively bonded to a face (e.g., front face) of the LCD. The method provides for efficient and clean removal of the substrate from the LCD when necessary (e.g., when defect(s) are present) without damage to the LCD such that the LCD can subsequently be re-bonded.

Abstract: A double-layered window curtain includes amounting seat, a window curtain unit, and a cover unit. The window curtain unit includes a curtain member mounted to the mounting seat and that has inner and outer surfaces, a driver disposed on the mounting seat, and a cord extending through the driver and connected to the curtain member on the inner surface of the curtain member. The cover unit includes a shade cloth connected to the inner surface of the curtain member and covering the cord. The curtain member and the shade cloth are together folded and unfolded by manipulation of the cord and by cooperation of the cord with the driver.

Abstract: A protective screen system of the present invention is disclosed herein which may be used in a variety of types and models of vehicles to keep children and pets safe during an accident, in hot weather provide a ventilation means, and to prevent bugs and debris from entering a vehicle. The protective screen system may be installed into the frame of a vehicle window and may be available in an adjustable or a non-adjustable version. The protective screen system may be manufactured using a durable material. The protective screen system may be customized to be installed into substantially any vehicle window.

Abstract: The present invention relates to a blind device for controllable light protection and/or displaying of information, said device comprising: at least one slat being moveably arranged, at least one light source attached to said slat, a guide cord being adapted to hold the slat in the blind device and/or to rotate said slat, a lifting strip being adapted to elevate the slat within said blind device and a wire for providing electrical connection, wherein said wire is guided through the slat and/or along the guide cord and/or the lifting strip.

Abstract: A fabric receiving element for a blind assembly, the fabric receiving element having at least two axially extending slots, each slot defining an opening for receiving blind material, the openings being of different respective widths, the slots including a floor opposite the openings, and wherein the middle portion of the floor of the slot is at a greater distance from the opening than the end portions of the floor of the slot.

Abstract: A cord drive mechanism to convert linear motion to circular motion for use in coverings for architectural openings. Various controls are used to provide a braking force on the cord. Some of the embodiments incorporate a capstan.

Abstract: The present invention relates to a method for the production of paper from a suspension containing cellulosic fibers comprising adding to the suspension and/or to a formed paper prepared from the cellulosic suspension i) a nitrogen-containing organic compound separately and/or in conjunction with, ii) an aqueous dispersion of an acid anhydride and iii) at least one shading dye, draining the suspension on a wire to form a paper.

Abstract: The invention relates to a composition suitable for surface treatment of paper, wherein the composition contains a specified fluorescent whitening agent with alkylsulfonic acid groups, a salt of a bivalent cation, and a carrier. The composition is used for whitening paper, in particular in the size press.

Abstract: A method for producing webs of transversely extensible fibrous material, in particular paper, characterised by causing a web (12) of pliable fibrous material having a water content between 20% and 80% to adhere to at least one continuous elastic band elastic (6, 26, 31, 46, 66) adhering to the lateral surface of a first rotating roller, provided on its lateral surface with at least one circumferential cavity and to temporarily and locally pre-stretched said band by making it to enter into said at least one cavity for interference from at least one second rotating roller having its axis parallel to the axis of the first roller.

Abstract: A papermaking machine for making paper includes a forming section, a press section, and a drying section. The paper web is pressed between two press members while enclosed between a press felt and a transfer belt having non-uniformly distributed microscopic depressions in its surface, the web following the transfer belt from the press to a transfer point at which the web is transferred via a suction transfer device onto a structuring fabric, the web then being dried on a drying cylinder. The transfer point is spaced a distance D from the press nip selected based on machine speed, a basis weight of the web, and the surface characteristics of the transfer belt, such that within the distance D a thin water film between the web and the transfer belt at least partially dissipates to allow the web to be separated from the transfer belt.

Abstract: Apparatus for producing a fibrous web that includes a smooth roll and at least one opposing element. The smooth roll and the at least one opposing element are arranged to form at least one press nip, a felt is structured and arranged to guide the fibrous web through the at least one press nip, and an embossing belt is structured and arranged to receive the fibrous web from the smooth roll. The smooth roll and the embossing belt are arranged such that the fibrous web passes in an unsupported manner over a free draw between said smooth roll and said embossing belt.

Abstract: A process belt for papermaking with a long operational life comprises an integrated structure of a reinforcing fibrous base material 6 and a polyurethane layer, the reinforcing fibrous base material being embedded in the polyurethane, wherein an inorganic filler selected from calcined kaolin clay, fused silica and zeolite is homogeneously dispersed in the polyurethane.

Abstract: The invention relates to a method for producing implants and components by direct shaping. The method includes the steps of producing a mold for the implants or components to be produced, making allowances for changes in geometry occurring during after-treatment after the implants or components are removed from the mold, and, providing partial areas of the mold with a structured surface for transferring this structure to the surfaces of the implants or components. In the method, raw material is introduced into the mold and, after remaining in the mold for a certain period of time, the hardened raw material is then removed from the mold to allow the implants or components to take on the structured surface of the mold as well as its geometry. The demolded implants or components are finally subjected to any after-treatment that may be necessary.

Abstract: The present invention relates to an apparatus for centering a submerged entry nozzle. The present invention includes: a plurality of laser beam generators 20 that is disposed above a mold 3 for continuous casting to radiate a laser beam toward the center of the mold; a tundish moving unit 15 that moves a tundish 1 above the mold 3; and a control unit that is linked with the laser beam generators 20 and controls the tundish moving unit 15 to center the installation position of the submerged entry nozzle 5 provided at the lower portion of the tundish, in response to signals transmitted from the laser beam generators 20. According to the present invention, in addition to accurately and quickly centering the submerged entry nozzle 5, it is possible to maintain the submerged entry nozzle that has been centered, such that it is possible to minimize a channeling phenomenon of molten steel. Accordingly, it can be expected to improve the quality of a slab.

Abstract: A method for producing a light alloy vehicle wheel in which a casting material is forged to produce a rim-integrated vehicle wheel, the method comprising: a casting step of preparing a flat, square billet by continuous casting or semi-continuous casting using a mold whose mold outlet port is formed into a substantially rectangular shape; a cutting step of cutting the flat, square billet at a right angle to a casting direction to flatly form a rectangular casting material in the casting direction; a primary forging step of pressing down the rectangular casting material from a flat surface side of the rectangular casting material to forge the rectangular casting material into a disc shape; and a secondary forging step of forging the disc-shaped forging product into a rough wheel shape having a disc portion and a rim portion.

Abstract: A system and method for a thermal energy storage system is disclosed, the thermal energy storage system comprising a plurality of pressure vessels arranged in close proximity to one another, each of the pressure vessels having a wall comprising an outer surface and an inner surface spaced from the outer surface by a respective wall thickness and surrounding an interior volume of the pressure vessel. The interior volume has a first end in fluid communication with one or more compressors and one or more turbines and a second end in fluid communication with at least one of one or more additional compressors, one or more additional turbines, and at least one compressed air storage component. The thermal energy storage system further comprises a thermal storage medium positioned in the interior volume of each of the plurality of pressure vessels.

Abstract: In order to standardize the structure of a cooling module with and without a main radiator and thus to make a cooling module equally usable for motor vehicles with an internal combustion engine as well as with an electric motor and for hybrid vehicles it is provided to replace the bearing and holding function of a cooling component, in particular of the radiator unit flowed through by air and engine fluid of an internal combustion engine, by two adapter parts.

Abstract: An exemplary heat dissipation device includes mounting feet and fasteners mounted on the mounting feet. Each fastener includes a shaft and two latching portions extending outwardly from an outer circumference of an end of the shaft. Each mounting foot defines a through hole allowing extension of the end of the shaft with two second portions. Each mounting foot defines two latching recesses in a surface thereof. Each of the latching recesses defines two blocking surfaces. When the end of the shaft with the latching portion extends through the through hole and beyond the surface of a corresponding mounting foot, the shaft is rotated with respect to the through hole so as to make the latching portion be received in the latching recesses. The blocking surfaces of the latching recesses stop the latching portions rotating with respect to the through hole to escape from the corresponding mounting foot.

Abstract: A cooling device comprises a main body (4) and an adapter device (5) arranged at an end (4a) of the main body. The main body is provided with a plurality of channels (6, 7) running from one to the other one of the oppositely located ends of the main body. A further adapter device is arranged at the other end of the main body and each of the adapter devices comprises two separate chambers (10, 11) and, for each of the two separate chambers, an input/output (10a, 11a) in fluid communication with the chamber, and holes (12, 13) providing fluid communication between the chamber and alternating ones of said plurality of channels, thereby providing two separate fluid path systems.

Abstract: A valve assembly (1) comprising an inlet opening, a distributor and an outlet part comprising at least two outlet openings. The distributor comprises an inlet part (5) fluidly connected to the inlet opening, and is arranged to distribute fluid medium received from the inlet opening to at least two parallel flow paths, preferably of a heat exchanger (3). The valve assembly (1) further comprises a first valve part and a second valve part arranged movable relative to each other in such a manner that the mutual position of the valve parts determines the fluid flow from the inlet opening to each of the outlet openings of the outlet part. Finally, the valve assembly (1) comprises a header (2) forming an integral part of the valve assembly (1).

Abstract: In a heater core that constitutes part of a vehicular air conditioning apparatus, a plurality of first and second tubes are provided through which heated water flows through the interior thereof, and fins having louvers therein are disposed between the first and second tubes. Further, the heater core is equipped with a first heating section, which faces toward a first front passage through which air from a first blower unit flows, and a second heating section, which faces toward a first rear passage through which air from a second blower unit flows. Between the first heating section and the second heating section, a partitioning fin is disposed for blocking communication of air mutually between the first and second heating sections. Additionally, the first and second tubes are arranged in parallel to the direction in which the partitioning fin extends.

Abstract: The present invention concerns a novel thermal sheet, which is divided into at least two passages by means of rolling or welding seams, and thermal sheet modules constructed thereof, wherein the passages are connected through common feed and discharge lines for a cooling or heating agent supply. Such thermal sheets are referred to as multi-passage thermal sheets. The present invention concerns further a heat exchanger having an outer cover, at least two heat transfer modules, at least one of which represents a multi-passage thermal sheet module according to the invention, and feed and discharge lines for a cooling or heating agent supply which are connected with the heat transfer modules, wherein the feed and discharge lines within the outer cover of the heat exchanger are brought together.

Abstract: An exemplary heat exchanger includes evaporator channels and condenser channels, connecting parts for providing fluid paths between evaporator channels and the condenser channels, a first heat transfer element for transferring a heat load to a fluid in said evaporator channels, and a second heat transfer element for transferring a heat load from a fluid in the condenser channels. In order to achieve a heat exchanger that can be used in any position, the evaporator channels and said condenser channels can have capillary dimensions. The connecting part arranged at a first end of heat exchanger can include a first fluid distribution element for conducting fluid from a predetermined condenser channel into a corresponding predetermined evaporator channel, and the connecting part arranged at a second end of the heat exchanger can include a second fluid distribution element for conducting fluid from a predetermined evaporator channel into a corresponding predetermined condenser channel.

Abstract: A heat dissipation device includes a heat sink and a heat pipe extending through the heat sink. The heat sink includes a plurality of fins overlapped with each other. An air passage channel is defined between every two adjacent fins for an airflow flowing therethrough. Each of the fins defines a through hole therein for extension of the heat pipe. Each of the fins includes a main plate and an air guiding member formed on the main plate. The air guiding member includes a curved bar. The curved bar extends slantwise on the main plate to a back side of the heat pipe for guiding the airflow to the back side of the heat pipe.

Abstract: A heat-radiating component includes a wick layer formed on an inner wall of a hermetically sealed container made of metal and a working fluid encapsulated in the hermetically sealed container. In the wick layer, micro carbon fiber is mixed into metal powder. In one aspect, the wick layer is a structure combined by a first wick and a second wick, the first wick being formed of sintered metal powder, and the second wick being a plating layer into which micro carbon fiber is mixed so as to partially fill air space inside the first wick while covering a surface of the first wick. The first wick is preferably a body sintered copper powder, and the second wick is preferably made of a copper plating layer into which carbon nanotube or carbon nanofiber is mixed.

Abstract: A globally cooled computer system for providing liquid cooling to a plurality of electrical components. The globally cooled computer system includes an electronics unit having a plurality of electronics components attached to a plurality of cards and a card cage for providing structural support to the cards, a fluid management unit for pressurizing fluid within the electronics unit, a reservoir for collecting fluid from the electronics unit, a tubing system for distributing the fluid between the electronics unit and the fluid management unit, and a pressure equalization system connecting the electronics unit and the reservoir to equalize internal pressures between them.

Abstract: A microchannel heat exchanger has a core having at least one heat exchange tube bank having a plurality of flow channels with a small hydraulic diameter less than 5 mm. A means is provided to reduce the amount of water retained on the external surfaces of the at least one heat exchange tube bank. These means may utilize the incorporation of a particular routing of refrigerant within the heat exchanger, the operation and control of a fan associated with the heat exchanger, or the provision of structure to at least partially block liquid from reaching the heat exchanger tube bank.

Abstract: A heat exchanger includes a housing having first and second longitudinal housing walls disposed in opposite relationship, and plural cartridges which are made from extruded aluminum sections and have channels for flow of a first medium there through. The cartridges are received in the housing in alternating relationship in several rows to thereby define a multiple S-shaped curved flow path for flow of a second medium around the cartridges, with a first longitudinal side of each of the cartridges touching one of the first and second housing walls and with an opposite second longitudinal side thereof positioned at a distance to the other one of the first and second housing walls.

Abstract: An exemplary fan module includes a main fan and an assist fan. The main and assist fans each include a rotor which includes a hub and a plurality of blades around the hub. The assist fan is located below the hub of the main fan. Inner sides of the blades of the assist fan adjacent to the hub of the assist fan are located within a range of a radius of the hub of the main fan along a radial direction of the rotor of the main fan. Outer sides of the blades of the assist fan away from the hub of the assist fan are located beyond the hub of the main fan along the radial direction of the rotor of the main fan. The blades of the assist fan are pushed to rotate by airflow from the main fan to produce airflow towards a heat sink.

Abstract: A self-contained heat transfer system conveys heat from a first heat reservoir at a relatively low temperature to a second heat reservoir at relatively high temperature, the heat transfer system defining a closed loop that contains a working fluid. The self-contained heat transfer system includes a hermetically-sealed housing that defines an enclosure; a first heat transfer device having an exposed surface configured to be in thermal communication with the first heat reservoir; a second heat transfer device having an exposed surface configured to be in thermal communication with the second heat reservoir; and an electrochemical compressor within the enclosure and between the first and second heat transfer devices, wherein the electrochemical compressor includes one or more electrochemical cells, each electrochemical cell including a gas pervious anode, a gas pervious cathode, and an electrolytic membrane disposed between and in intimate electrical contact with the cathode and the anode.

Abstract: A bell-mouth structure of an air blower provided around a blade wheel of an axial-flow air blower for guiding air from an air suction side of the blade wheel to an air blow-out side including an air blow-out wall portion that intercommunicates with an air blow-out opening and extends substantially along an axial direction of the blade wheel, and a slope wall portion that intercommunicates with the air blow-out wall portion and slopes to an air suction opening so as to expand in diameter. When the overall height of the bell-mouth is represented by H, the height of the slope wall portion is represented by h and a slope angle of the slope wall portion is represented by ?, the bell mouth structure is configured so as to satisfy 0.33?h/H?0.42 and 60°???70°.

Abstract: A method for coating the base element of a cooling element used in connection with a metallurgical furnace or the like, said base element being mainly made of copper, at least partly with a metal coating involves a step wherein the metal coating is explosion welded to the base element of a cooling element mainly made of copper. A cooling element, particularly to be used in connection with metallurgical furnaces or the like, includes a base element mainly made of copper, in which base element there is arranged a cooling water channel system, said base element of the cooling element being at least partly coated with a metal coating. The metal coating is explosion welded to the base element that is mainly made of copper.

Abstract: A heat exchanging system is provided. The heat exchanging system includes multiple plates wound spirally around a reaction chamber. The multiple plates also form multiple channels that operate as a counter flow recuperator terminating within the reaction chamber.

Abstract: A heat exchanger for exchanging heat between a first fluid and a second fluid is disclosed; wherein the heat exchanger has improved thermal efficiency and low fluid back pressure. The heat exchanger comprises conduits for conveying the first fluid, wherein the conduits include a plurality of flow passages. The flow passages are defined by a plurality of fins that are continuous along the direction of flow of the first fluid. Each fin includes a wave-shaped region, and adjacent fins sub-divide each flow passage into first and second sections that are interposed by a third section. The wave-shape of the fins creates a continuously varying cross-sectional area for each third section. The variation of the cross-sectional area of the third section, coupled with the wave-shape of the fins, induces a swirl flow between the third section and each of the first and second sections. This swirl flow improves the efficiency of the overall convection heat transfer in each conduit.

Abstract: A heat exchanger includes heat exchange tubes, a manifold, and a distribution insert incorporating orifices that communicate a fluid into the manifold for distribution into the heat exchange tubes. A design characteristic of the distribution insert and another design characteristic of at least one of the distribution insert, the manifold and the heat exchange tubes are employed to determine an essential design relationship. The essential design relationship defines a design parameter, the value of which falls within a determined range of values.

Abstract: A system for cooling an electronic device having a heat-generating component includes a passive cooling device having a cooling ability designed to expire after a predetermined amount of heat is absorbed from the heat-generating component and an active cooling device configured to at least one of dissipate heat generated by the heat-generating component and cool the passive cooling device, when the active cooling device is activated. The system also includes a controller configured to activate the active cooling device after a determination that a predetermined threshold condition has occurred, wherein the predetermined threshold condition is selected to occur after the passive cooling device cooling ability has substantially expired, to thereby substantially minimize power consumption of the active cooling device in cooling the heat-generating component.

Abstract: An air conditioner is provided for a motor vehicle, which has a controller and at least thermal conditioning element/thermal conditioner (such as a heater and/or cooler), which is coupled with at least one thermal storage medium arranged inside a passenger cell of the vehicle. The heater and/or cooler can be activated independently of the operating mode of the vehicle transmission, and the controller is designed to regulate the heater or cooler at least taking into account the outside temperature.

Abstract: A system and method for controlling the cooling fan within an electronic display based on the amount of ambient light present. An ambient light sensor is used to measure the amount of ambient light which is contacting the display. To anticipate a temperature rise and lower the thermal inertia of the display, the fan speed is increased when high ambient light levels are measured at the exterior of the display. The ambient light sensor data may be used to apply a temperature correction factor to a temperature sensor within the display. Alternatively, the ambient light sensor data may be used to apply a fan speed correction factor to a desired fan speed (calculated based on a temperature sensor within the display). Multiple systems or methods can be used simultaneously within the display to cool several components which may heat and cool at different rates relative to one another.

Abstract: A cooling method of an electronic device, the cooling method naturally circulating a cooling medium between an evaporator, which gasifies the cooling medium and cools heat-discharging air from the electronic device by heat exchange with the heat-discharging air, and a cooling tower or a condenser, which is disposed at a higher position than the evaporator and liquefies the gasified cooling medium, and subjecting a flow rate of the cooling-medium liquid supplied to the evaporator to valve control so that a temperature of the air obtained after the heat exchange and the cooling by the evaporator becomes a temperature suitable for an operating environment of the electronic device, wherein the improvement comprises that a condensation temperature or a condensation pressure of the cooling-medium gas in the cooling tower or the condenser is configured to be not varied even when the flow rate of the cooling-medium liquid supplied to the evaporator is subjected to the valve control.

Abstract: An apparatus for use in deployment of downhole tools is disclosed. Preferably, the apparatus includes at least an in-ground well casing, a housing providing a hermetically sealed electronics compartment, a tool attachment portion, and a first flow through core. The housing is preferably configured for sliding communication with the well casing. The hermetically sealed electronics compartment secures a processor and a location sensing system, which communicates with the processor while interacting exclusively with features of the well casing to determine the location of the housing within the well casing. A preferred embodiment further includes a well plug affixed to the tool attachment portion, the well plug includes a second flow through core capped with a core plug with a core plug release mechanism, which upon activation provides separation between the second flow through core and the core plug, allowing material to flow through said first and second flow through cores.

Abstract: Disclosed is a tubing system for transporting a gas-liquid flow from a well to a production platform or processing facility. It includes a dual pathway section between the well and the production point having a first tubing portion and a second tubing portion. The second tubing portion includes a plurality of parallel channels so as to divide the multi-phase flow into a plurality of flows through individual channels. This is done to reduce flow slippage of the lower viscosity portion of the flow, which may lead to inefficiencies in flow characteristics, and often, undesirable cyclical variations in pressure and fluid volume. This is especially useful in inclined portions of the petroleum flow pipe system and along hilly terrain. The first round tubing portion is used for transporting the gas-liquid flow as well as for maintenance purposes, such as for pigging, fishing or coiled tubing operations.

Abstract: Embodiments of the invention generally relate to methods and apparatuses for anchoring progressing cavity (PC) pumps. In one embodiment, a method of anchoring a PC pump to a string of tubulars disposed in a wellbore which includes acts of inserting the PC pump and anchor assembly into the tubular. Running the PC pump and anchor assembly through the tubular to any first longitudinal location along the tubular string. Longitudinally and rotationally coupling the PC pump and the anchor assembly to the tubular and forming a seal between the PC pump and the tubular string at the first location and performing a downhole operation in the tubular.

Abstract: The invention provides an apparatus, method and system for stimulating production of a natural resource (e.g., Oil, gas or water) producing well using vibrational energy delivered to the geological formation through a device that maybe permanently installed, and continuously or periodically operated even during recovery of the natural resource. The apparatus is of a downhole type. The apparatus is constructed to resist corrosion and provides one or more heat sink chambers for controlling heat dissipation during operation. The system provided by the invention is capable of monitoring production, adapting stimulation parameters based on user input and other pertinent parameters.

Abstract: A method is described for monitoring a fluid flow in a flow line from a location in a subterranean reservoir to a surface storage or production facility using the steps of employing sensors located in the wellbore, along the flow line and surface systems for monitoring flow conditions, establishing parameters which determine the hydrocarbon phases like liquids and gases, precipitation of solid components from the fluid flow as a result of changes in temperature, pressure and compositions, setting alert parameters relating to the precipitation parameters, and determining an operating profile representative of present conditions along the flow line, wherein the precipitation parameters, the alert parameters and the operating profile and extrapolation of the operating profile are represented in a single parameter space.

Abstract: A method of producing oil which begins by drilling, casing and inserting a tubing string in a wellbore. The method then perforates both an upper portion and a lower portion of the casing to establish communication between the wellbore with a upper horizontal fracture and a lower horizontal fracture. A retrievable packer or a seal assembly is inserted horizontally between the tubing string and the casing and vertically between the upper horizontal fracture and the lower horizontal fracture for heat isolation. Steam is then injected into the wellbore both into the upper horizontal fracture and the lower horizontal fracture.

Abstract: When preparing a settable slurry such as a cement slurry for cementing an oil well, cement or other solid powder is mixed with water and a set retarder. In order to be able to run a convenient and rapid check on the concentration of retarder after dilution at the site of use, a tracer material is mixed with the retarder in known amount during manufacture. The tracer is chosen to enable its concentration to be determined analytically after dilution at the site of use, thereby providing a way to determine the concentration of set retarder after such dilution. The tracer may be a redox-active material and its concentration may be determined by voltammetry. Tracer may likewise be mixed with additives other than set retarder.