Patent application number | Description | Published |
20090173500 | Method and Apparatus for Well Treatment - A well treatment tool, comprising: a tool body; a clamping system for locating the tool body in a well; a positioning system for orienting the tool body in the well axially and azimuthally; a reservoir system comprising at least one fluid reservoir in the tool body; and a pumping system for pumping fluid from the reservoir to a region of the well to be treated. The treatment tool can also re-established the isolation performance of the casing, when modified (by drilling) for the treatment. The treatment tool is normally conveyed and controlled via the mean of an electrical wireline cable. | 07-09-2009 |
20110094741 | METHODS AND APPARATUS FOR MEASURING RETURN FLOW IN A WELL - The invention provides apparatus for use in a wellbore ( | 04-28-2011 |
20110120715 | SELF ADAPTIVE CEMENT SYSTEMS - A self-adaptive cement system includes cement, water and at least one additive that reacts or/and expands in contact with oil and gas. Several chemical products have been identified including rubber alkylstyrene, polynorbornene, resins such precrosslinked substituted vinyl acrylate copolymers and diatomaceous earth. These additives have the effect of making the cement self-healing in the event of physical failure or damage such as micro-annuli. The self healing property is produced by the contact with subterranean hydrocarbon fluids, the potential repair mechanism is thus activated if and when needed in case of start of loss of zonal isolation. In another embodiment, the expansion is deliberately induced by pumping a hydrocarbon fluid in the vicinity of the set cement. | 05-26-2011 |
20110220350 | IDENTIFICATION OF LOST CIRCULATION ZONES - Method and apparatus for identifying lost circulation in subterranean wells, in particular, methods for treating the identified lost circulation zones with fluid compositions that are pumped into a wellbore enter voids in the subterranean-well formation through which wellbore fluids escape, and form a seal that limits further egress of wellbore fluid into the lost-circulation zone. | 09-15-2011 |
20120073805 | METHOD FOR MONITORING CEMENT PLUGS - A method for method of monitoring the parameters of a cement plug ( | 03-29-2012 |
20140076563 | Methods for Plug Cementing - Compositions comprise polyacrylamide, a non-metallic crosslinker and a pH-adjustment material. Such compositions have utility in the context of remedial cementing, plug cementing in particular. The compositions may be pumped into a subterranean well, where they polymerize and form a support on which a cement plug may sit. The support may maintain the position of the cement plug in the wellbore and minimize cement-plug contamination. | 03-20-2014 |
20150293252 | WIRELESS LOGGING OF FLUID FILLED BOREHOLES - A predetermined condition in a fluid-filled wellbore system can be detected by generating at least one sound in the wellbore system in response to the condition, such that a detectable change is created in some characteristic of the emitted sound, and detecting the at least one sound and the change, the detection being indicative that the predetermined condition has occurred. Equipment for facilitating detection of the condition can include a trigger operable in response to the condition; a generator operable to emit sound in the borehole and to create a detectable change in some characteristic of the emitted sound in response to the trigger; and at least one sensor operable to monitor the sound and detect the change, the detection being indicative that the predetermined condition has occurred. It is also possible to estimate a value of a property of a fluid-filled wellbore system. This can be accomplished by recording data including at least one of pressure and rate of flow at one or more locations in the wellbore system, and then estimating the value of the property by employing a model for predicting at least one of pressure and rate of flow dependent upon parameters detailing at least one of wellbore system geometry, viscoacoustic properties of the fluid and entrained solids contained in the wellbore system, locations of boundaries and entrained solids, and characteristics and locations of disturbances to pressure and flow in the wellbore system, in order to determine a best prediction of some attribute of the recorded data. | 10-15-2015 |
Patent application number | Description | Published |
20140237359 | QUERY GENERATION FROM DISPLAYED TEXT DOCUMENTS USING VIRTUAL MAGNETS - A system and method are provided for dynamically generating a query using touch gestures. A virtual magnet is movable on a display device of a tactile user interface in response to touch. A user selects one of a set of text documents for review, which is displayed on the display. The system is configured for recognizing a highlighting gesture on the tactile user interface over the displayed document as a selection of a text fragment from the document text. The virtual magnet is populated with a query which is based on the text fragment selected with the highlighting gesture. The populated magnet is able to cause a subset of displayed graphic objects to exhibit a response to the magnet as a function of the query and the text content of the respective documents which the objects represent and/or to cause responsive instances in a text document to be displayed. | 08-21-2014 |
20150312427 | SYSTEM AND METHOD FOR SEMI-AUTOMATIC GENERATION OF OPERATING PROCEDURES FROM RECORDED TROUBLESHOOTING SESSIONS - A method for generating procedures includes receiving a log of a troubleshooting session. The log includes device data including a sequence of detected operations performed on the device causing respective components to change states. Steps of a candidate operating procedure are generated, based on the log, each corresponding to one of the detected operations. Missing steps may be identified, based on state charts and/or stored operability constraints for the device. The candidate operating procedure is compared with existing operating procedures stored in a knowledge base for the device to identify at least one existing operating procedure which includes steps which match at least some of the steps of the candidate operating procedure and, based on the identified at least one existing operating procedure, generating a textual description based on the textual description of the matching steps. The candidate procedure can be presented to an editor for validation. | 10-29-2015 |
20150370472 | 3-D MOTION CONTROL FOR DOCUMENT DISCOVERY AND RETRIEVAL - A processing method includes, associating each of a plurality of hand gestures that are detectable with a three-dimensional sensor with a respective one of a plurality of item processing tasks in memory. A plurality of graphic objects is displayed on a touch-sensitive display device, each graphic object being associated with a respective item. With the three-dimensional sensor, a hand gesture is detected. The respective one of the item processing tasks that is associated with the detected hand gesture is identified and the identified one of the item processing tasks is implemented on the displayed graphic objects, comprising causing at least a subset of the displayed graphic objects to respond on the display device based on attributes of the respective items. Item processing tasks may also be implemented through predefined touch gestures. | 12-24-2015 |
Patent application number | Description | Published |
20140203685 | MULTIAXIS DRIVE DEVICE AND CONTROL INSTRUMENT FITTED WITH SUCH A DEVICE - An electric motor device includes a rotor, a stator, and electrical means for driving rotation of the rotor relative to the stator, the device being characterized in that the stator includes a substantially spherical cavity receiving the rotor, which is itself substantially spherical, and in that the electrical means are arranged to drive the rotor in rotation about at least two axes. A control instrument including such a motor device. | 07-24-2014 |
20150109073 | DEVICE FOR LINKING AN ELECTRICAL MEMBER TO A COMMUNICATION LINE - A connection device for connecting an electrical member to a communications line comprising at least two conductors for carrying differential signals. The connection device includes at least one data exchange interface component connected to the line to send and/or receive data, and a connection for connecting the electrical member to the line. The connection device also includes in succession, going from the connection to the interface components, at least a first transformer arranged to perform common mode filtering on each conductor of the communications line; a second transformer arranged to perform electrical isolation so as to isolate the communications line at least from the interface component; a third transformer connected in parallel with the second transformer and made up of two windings having terminals including terminals that are not connected to the second transformer and that are connected to frame ground of the electrical member; and a fourth transformer arranged to provide electrical isolation so as to isolate at least the interface component from frame ground. | 04-23-2015 |
20150194803 | ELECTRICAL CIRCUIT FOR CUTTING OFF AN ELECTRIC POWER SUPPLY COMPRISING TRANSISTORS AND FUSES HAVING REDUNDANT LOGIC - The invention relates to an electric circuit suitable for cutting off an electric power supply of an electric device, the circuit including an electrical device and a supply voltage source of the electrical device, also having as inputs at least two discrete electrical signals, the values of which condition the cutting off of the electric power supply of the device, the electric circuit being characterised in that same includes: at least two modules for cutting of the electric power supply connected between the voltage source and the electrical device, each module tar cutting off the electric power supply being controlled in accordance with the values of the discrete electrical signals; and at least two modules for comparing discrete electrical signals in parallel, in which at least one of the modules for cutting off the electric power supply is controlled by the outputs of the modules for comparing discrete signals. | 07-09-2015 |
20150222108 | ELECTRIC CIRCUIT FOR CUTTING OFF AN ELECTRICAL SUPPLY WITH RELAY AND FUSES - The invention relates to an electrical circuit adapted for cutting off an electrical supply to an electrical equipment, said electrical circuit receiving as input at least two discrete electrical signals xi, i=1, N, the electrical circuit comprising:—a voltage source;—a number N>1 cutoff units Ui connected together, i=1, . . . , N in series between the voltage source and the electrical equipment, and a last cutoff unit U | 08-06-2015 |
20150309519 | REDUNDANT ELECTRIC CIRCUIT FOR CUTTING OFF THE POWER SUPPLY TO A PIECE OF EQUIPMENT - The invention concerns an electric circuit designed to control a power supply of a piece of electrical equipment, the electric circuit comprising a piece of electrical equipment and a source of supply voltage, and further having, as inputs, at least two discrete electrical signals of which the values condition the cutting off of the power supply to the piece of equipment, the circuit being characterised in that it further comprises:—a module for the redundant comparison of the discrete electric signals, comprising two branches for comparing said signals, parallel to one other, each branch being designed to supply, at the output, a control signal representative of each of the comparisons of said discrete electrical signals, and—a first module for cutting off the power supply to the piece of electrical equipment comprising two switches in series, each one being controlled respectively by one of the two control signals. The invention also concerns a system for acquiring, processing and communicating avionics data installed in an aircraft, comprising such an electric circuit. | 10-29-2015 |
Patent application number | Description | Published |
20080263232 | SELECTIVE CONNECTION DEVICE ALLOWING CONNECTION OF AT LEAST ONE PERIPHERAL TO A TARGET COMPUTER AND A SELECTIVE CONTROL SYSTEM COMPRISING SUCH A DEVICE - The present invention concerns a selective connection device allowing the connection of at least one peripheral to a target computer and a selective control system comprising such a device. It relates in particular to the field of devices for the selective connection of a control device composed of input/output peripherals to various target computers. More particularly, the invention concerns such a device affording security guarantees by preventing communication between the various target computers that may be controlled. | 10-23-2008 |
20100309696 | ELECTRICALLY-ISOLATED AC/DC CONVERTER - An AC/DC converter has at its input a rectifier circuit connected in series with a primary winding of an isolating transformer and with a chopper switch (T | 12-09-2010 |
20110121651 | ASSEMBLY OF ACTUATORS AND OF A SYSTEM FOR SUPPLYING ELECTRICAL POWER FROM A NETWORK - An assembly having actuators and an electricity power supply system. The assembly includes an input unit connecting the actuators to a three-phase AC electricity network and to a control system. The input unit includes a transformation member arranged to transform the AC into DC at high voltage and connected to a bidirectional power line having connected in series therewith at least one protective switch, a communications interface, and at least one of the actuators. The communications interface is arranged and connected to a central unit to exchange signals over the power line with a signal communications interface of at least one of the actuators. The input unit also includes a charger/discharger unit that connects an energy store to the power line. | 05-26-2011 |
20110199943 | AVIONIC SYSTEM COMPRISING A CONTROLLER AND AT LEAST ONE PERIPHERAL THAT ARE LINKED BY A LINE MUTUALIZED FOR POWER AND DATA - According to a first aspect the invention relates to a device forming a central controller (C) intended to he linked to a remote peripheral (P | 08-18-2011 |
20110249781 | DEVICE FOR RECONSTRUCTING THE CLOCK OF AN NRZ SIGNAL, AND ASSOCIATED TRANSMISSION SYSTEM - The invention relates according to a first aspect to a device ( | 10-13-2011 |
20130268684 | DEVICE FOR MULTIPLE ETHERNET CONNECTION TO A COMPUTER UNIT AND COMPUTER UNIT ASSEMBLY AND EQUIPMENT LINKED TOGETHER - A device for making multiple connections to a computer unit, the device comprising at least one main connection provided with a connector for connection to the computer unit and connected via a switch module to a plurality of secondary connections, each provided with an external connector and together presenting an overall data rate equal to a maximum data rate of the main connection. An assembly comprising a computer unit and pieces of equipment connected thereto by a multiple connection device. | 10-10-2013 |
20140029184 | ASSEMBLY FOR THE ELECTRONIC PROCESSING OF DATA WITH MUTUALIZED RESOURCES - Assembly for the electronic processing of data, comprising a central module and peripheral modules linked to the central module by electrical power supply and data links, the modules comprising: a processing unit, a memory, an input/output unit and an isolation of the power and data links; the central module furthermore comprising an electrical power supply unit for the peripheral modules, a common startup unit shared by the modules, and a star communication interface with the peripheral modules; each peripheral module furthermore comprising a serial link interface to the communication interface of the central module. | 01-30-2014 |
20140292074 | REMOVABLE COMMUNICATION CARTRIDGE THAT CAN BE DETACHED FROM AN EQUIPMENT, EQUIPMENT, ASSEMBLY AND SYSTEM CORRESPONDING THERETO - The invention relates to a communication cartridge ( | 10-02-2014 |
Patent application number | Description | Published |
20120025014 | AIRCRAFT FLIGHT CONTROL SYSTEM COMPRISING A CONNECTING ROD PROVIDED WITH A SENSOR - A control system, in particular an aircraft flight control system, having a linkage with a force-transmission link ( | 02-02-2012 |
20120245759 | DEVICE FOR DISPLAYING CRITICAL AND NON-CRITICAL INFORMATION, AND AIRCRAFT INCLUDING SUCH A DEVICE - An information display device has a first processor unit and a second processor unit that are connected to at least one information source. The first processor unit is also connected to a display and to the second processor unit. The first processor unit and the second processor unit each include a computer and a memory. The computer of the second unit is arranged to construct an image for displaying on the display and to transmit it to the computer of the first processor unit, which is arranged to modify the image by incorporating therein information from the information source, and to transmit the modified image to the display. An aircraft fitted with such a device is also provided. | 09-27-2012 |
20120246496 | DEVICE FOR CONNECTING TWO APPARATUSES VIA AN ETHERNET LINK, AND DOCKING STATION FOR ONE OF SAID APPARATUSES - A connection device for connecting a piece of master electronic equipment to a piece of peripheral electronic equipment, each being provided with a respective external connection port of a first type, the device comprising a master connection unit and a peripheral connection unit, each of which is provided with an external connection port of the first type for connecting to the corresponding piece of equipment, and which are connected to each other via electrical isolation using a link of a second type, namely of the Ethernet type, having a transmit line and a receive line, each unit including a first type/Ethernet interface connected to said lines and a power supply module mounted in common mode between the transmit and receive lines in order to transmit or receive AC over the link. A docking station for peripheral equipment including such a device. | 09-27-2012 |
Patent application number | Description | Published |
20120057122 | SPECTACLE LENS PROVIDING OPHTHALMIC VISION AND AN ADDITIONAL VISION - The invention relates to a method for producing a spectacle lens that provides both ophthalmic vision and an additional type of vision, said method comprising two consecutive steps consisting of calculating a rear surface (FP) and a front surface (FA) of the lens. The additional vision type corresponds to the perception of a light (VS) that is conveyed between the front and rear surfaces by an insert ( | 03-08-2012 |
20120188504 | METHOD FOR ASSESSING AN OPTICAL FEATURE OF AN OPHTHALMIC LENS DESIGN - A method implemented by computer means of assessing at least a selected optical feature of an ophthalmic lens design over a prescription and optionally design particularity domain comprising the steps of:
| 07-26-2012 |
20140016088 | PROGRESSIVE OPHTHALMIC LENS - Disclosed is a progressive ophthalmic lens including a front surface and a rear surface, each surface having in each point an altitude, a mean sphere value and a cylinder value, the front surface of the lens including: —a far vision zone having a far vision reference point; —a near vision zone having a near vision reference point; —a main meridian, wherein the front surface is regressive and has: —a sphere gradient normalized value of less than 7.50·10 | 01-16-2014 |
20140354944 | Method for Determining a Progressive Opthalmic Lens and a Set of Semi Finished Lens Blanks - A method for determining a progressive ophthalmic lens, comprising determining first, second and third intermediate values of regression as the strongest regression that can be applied on the front surface of the lens while keeping a mean sphere value in at least a portion of the lower part of the rear surface of the lens less or equal to, respectively, first, second and third predetermined values; and determining a value of regression (d) for the front surface as the maximum value among the first, second and third intermediate values of regression. | 12-04-2014 |
Patent application number | Description | Published |
20110133006 | USE OF FORMULATIONS CONTAINING GLYCEROL AS A DRY GRINDING AID AGENT OF MINERAL MATTER - The invention consists in the use, as a dry grinding aid agent of a mineral matter chosen from among the dolomites, talc, titanium dioxide, alumina, kaolin and calcium carbonate, the function of which is to reduce the specific grinding energy and to increase the grinding capacity, of formulations containing glycerol. | 06-09-2011 |
20110135560 | USE OF A WEAKLY IONIC ACRYLIC POLYMER IN THE SYNTHESIS OF PRECIPITATED CALCIUM CARBONATE - The invention consists in the use, in a method to manufacture a mineral matter, notably a precipitated calcium carbonate, of a polymer consisting of at least one vinylic monomer chosen from among acrylic or methacrylic acid, acrylamide, methacrylamide or a cationic monomer, or their blends, and at least one non-ionic monomer. The use of this polymer enables the carbonation time of the PCC to be reduced, without however impairing its crystallographic structure and its granulometric characteristics. | 06-09-2011 |
20110305915 | HYDROXY POLYALKYLENE GLYCOL FUNCTION (METH) ACRYLIC COMB POLYMERS, THEIR USE AS SHEAR-THINNING AGENTS IN COATING DISPERSIONS AND DISPERSIONS CONTAINING THEM - Comb polymers useful in paper coating dispersions. | 12-15-2011 |
20120046404 | PAPER COATINGS OF AMPHIPHILIC, NON-WATER-SOLUBLE COMB-BRANCHED (METH)ACRYLIC POLYMERS, USES THEREOF - Polymers, paper coating compositions, and coated paper. | 02-23-2012 |
20130056566 | USE OF GLYCEROL AS AN AGENT TO IMPROVE THE SELF-DISPERSING PROPERTIES OF A MINERAL MATERIAL TO BE ADDED TO AN AQUEOUS COMPOSITION - The invention consists of the use, during a mineral substance dry-grinding step, of formulations containing glycerol and/or polyglycerols as agents for improving the auto-dispersing characteristic of the said mineral substance in an aqueous composition. The immediate viscosity of the final composition is thus lowered and maintained stable over the course of time. In addition, the amount of foam formed during the dispersion in water step is reduced. | 03-07-2013 |
20140205530 | USE OF FORMULATIONS CONTAINING GLYCEROL AS A DRY GRINDING AID AGENT OF MINERAL MATTER - The invention consists in the use, as a dry grinding aid agent of a mineral matter chosen from among the dolomites, talc, titanium dioxide, alumina, kaolin and calcium carbonate, the function of which is to reduce the specific grinding energy and to increase the grinding capacity, of formulations containing glycerol. | 07-24-2014 |
Patent application number | Description | Published |
20100017852 | Electronic board provided with security functions and method for ensuring electronic board security - To prevent being able to capture sensitive signals between electronic circuits placed on an electronic card, these circuits are arranged in a protected zone in such a manner so as not be distant from each other by more than a determined distance. The circuits of the protected zone comprise at least one control circuit. The electronic card further comprises another zone defining a non-protected environment; the circuits of this zone do not need to comply with the distance constraint. The communication between the circuits of the protected zone and the non-protected environment is carried out by means of a communication circuit allowing or not allowing the electrical signals to pass. The passage of the electrical signals in the communication circuit is conditioned by an electrical control signal sent by the control circuit. The invention also relates to a method allowing the control circuit to be blocked if the electrical status of the signal controlling the passage of the signals does not correspond to the status imposed by the control circuit. | 01-21-2010 |
20140132083 | USB PERIPHERAL DEVICE DETECTION ON AN UNPOWERED BUS - Method for detecting a connection of a peripheral device to a communication interface of an electronic device and associated detection circuit; the communication interface comprising a voltage power line for the power supply of a peripheral device, a range of nominal operating voltage values being associated with the power line, the method being characterised in that it comprises steps of application of a nominal voltage comprised in the range of nominal operating voltage values to the power line, of withdrawal of the nominal operating voltage applied to the power line, of detection, on the power line, in the presence of a residual voltage less than a threshold value of the nominal voltage value, of a transient signal resulting from the connection of the peripheral device to the interface, and of application of the nominal voltage to the voltage power line, according to the transient signal detected. | 05-15-2014 |
20150235788 | ELECTRONIC SWITCH FOR SIMULATING A MECHANICAL ROCKER SWITCH - The present disclosure relates to an electronic switch for simulating a mechanical rocker switch having a determined current-interrupting capacity, the electronic switch being configured to supply power to an electronic device using an input voltage, and comprises a tact switch for the generation of a control signal, a bistable circuit whose output state depends on said control signal, a switching circuit adapted to the opening and to the closing of a power supply line supplying power to the device, which device consumes a current less than or equal to said determined interrupting capacity, a memory circuit comprising a reservoir capacitor, the tact switch being configured to control opening and closing of the switching circuit and the memory circuit being adapted to the storage of an “open” or a “closed” mechanical position of the electronic switch for a predetermined duration according to the reservoir capacitor. | 08-20-2015 |
20150333626 | SWITCH MODE POWER SUPPLY MODULE HAVING A HICCUP MODE AND ITEM OF EQUIPMENT POWERED BY SAID MODULE - The invention relates to switch mode power supply modules and items of equipment powered by these modules. The power supply module comprises means for cyclically interrupting the switching operation, during a so-called switching operation interruption phase, if the load current of the module is less than a current threshold value and sustaining the switching operation, during a so-called switching operation phase, if the load current is greater than the load current threshold value and means for ending the switching operation interruption phase if the power supply voltage of the item of equipment is greater than a voltage threshold value. The item of equipment powered by the module comprises a capacitive element able to store energy from the module during the switching operation phase and means for releasing the energy stored between the output terminals of the power supply module when it receives an activation signal. | 11-19-2015 |
Patent application number | Description | Published |
20090038379 | Method And Installation For Determining Rheological Characteristics Of A Fluid, And Corresponding Identifying Method - The method comprises:
| 02-12-2009 |
20100042339 | FLUIDIC ANALYSIS DEVICE FOR DETERMINING CHARACTERISTICS OF A FLUID - A fluidic analysis device includes a small plate ( | 02-18-2010 |
20130132020 | METHOD AND FACILITY, USING TRANSFER BETWEEN A GAS AND A LIQUID, FOR PREDETERMINING AT LEAST ONE CONVERSION PARAMETER - Said method for predetermining at least one conversion parameter uses at least one transfer between a liquid phase and a gas phase, wherein: a gas phase is injected into a liquid phase so as to form a heterogeneous flow including a series of bubbles, formed from the gas phase, within the liquid phase; said heterogeneous flow is caused to occur within a flow member so as to carry out at least one transfer between the liquid and gas phases; the decrease in the volume of the bubbles is observed along said flow member; and said at least one parameter is derived therefrom. | 05-23-2013 |
20140238117 | Determination of interfacial tensions in supercritical conditions - The invention concerns a method whereby: (E1) an inner liquid phase is made to flow in an inner flow member, and an outer liquid phase in an outer flow member, the flow of the inner liquid phase opening within the flow of the second liquid phase; and the temperature and pressure in the contact area between the first and second liquid phases being such that the first and/or second liquid phase is in the supercritical state, (E2) the flow rate of the inner phase and/or outer phase is varied in such a way as to modify the flow profile, and a torque is identified from values of the flow rates of the inner and outer phases, called transition flow rates, from which the modification in the flow profile occurs (from drops to a jet; or from a jet to drops); (E3 ) from the transition torque identified in step (E2), the value of the interfacial tension between the two inner and outer liquid phases is calculated, or the result obtained is compared to that obtained for another torque in the conditions of steps (E1) and (E2). | 08-28-2014 |