Patent application number | Description | Published |
20100241010 | Complex Signal Demodulation and Angular Demodulation for Non-contact Vital Sign Detection - Methods for recovering a detected signal in non-contact vital sign detection are provided. According to one embodiment, a detected reflected signal from a non-contact vital sign detection system can be received and provided along I channel and Q channel signal lines. A complex signal S(t) can then be reconstructed from the I channel and Q channel signal lines through complex signal demodulation. A Fourier transform can be used to obtain the detected signal's spectrum for spectrum analysis. Angular demodulation can be used to recover the information corresponding to original body movement. The complex signal demodulation and angular demodulation techniques used to provide information to determine original body movement are capable of avoiding the null detection point without limitations on frequency tuning or channel selection. | 09-23-2010 |
20130139597 | WAVELENGTH DIVISION SENSING RF VIBROMETER FOR ACCURATE MEASUREMENT OF COMPLEX VIBRATIONS - Embodiments of the present invention provide a method for non-contact detection techniques of mechanical vibrations utilizing a radio frequency system incorporating multiple carrier wavelengths. The new detection method measures multiple harmonic pairs at a carrier frequency and improves the detection accuracy and reliability by first inspecting the Bessel function coefficient of each harmonic and then determining the harmonic amplitude. The original mechanical vibration can then be reconstructed. Embodiments can be used to realize sensing of complex non-sinusoidal vibrations using a wavelength division sensing technique and allow non-contact detection through walls, smoke, fog or other low visibility environments with the advantage of longer range detection and easy integration at a low cost. | 06-06-2013 |
20130165770 | System, Method and Apparatus for Tracking Targets During Treatment Using a Radar Motion Sensor - A system, method and apparatus tracks targets (e.g., tumors) during treatment (e.g., radiation therapy) using a radar motion sensor by generating a microwave signal, radiating the microwave signal to a subject, and receiving a modulated microwave signal from the subject. The modulated microwave signal is processed to provide a subject motion information using a sensor having an arctangent-demodulation microwave interferometry mode. A location of a target on or within the subject is determined based on the subject motion information and a three-dimensional model for the subject and the target. One or more control signals are generated based on the location of the target, and the treatment device is controlled using the one or more control signals to treat the target on or within the subject. | 06-27-2013 |
20140330540 | RANDOM BODY MOVEMENT CANCELLATION FOR NON-CONTACT VITAL SIGN DETECTION - A method and system for cancelling body movement effect for non-contact vital sign detection is described. The method begins with sending on a first electromagnetic wave transceiver a first electromagnetic signal with a first frequency to a first side of a body, such as a person or animal. Simultaneously using a second electromagnetic wave transceiver a second electromagnetic signal is sent with a second frequency to a second side of a body, wherein the first frequency and the second frequency are different frequencies. A first reflected electromagnetic signal reflected back in response to the first electromagnetic wave on the first transceiver is received and a first baseband complex signal is extracted. Likewise a second reflected electromagnetic signal reflected back in response to the second electromagnetic wave on the second transceiver is received and a second baseband complex signal is extracted. The first baseband complex signal is mathematically combined with the second baseband complex signal to cancel out a Doppler frequency drift therebetween to yield a periodic Doppler phase effect. | 11-06-2014 |
Patent application number | Description | Published |
20120076497 | Method and Apparatus for Loading, Detecting, and Monitoring Channel-Associated Optical Signals - A method and apparatus for loading, detecting, and monitoring channel-associated signals are provided. Channel-associated signals are identified with spread spectrum codes in the electrical domain, and after being modulated to an optical service signal at respective loading points separately, the channel-associated identification signals are transmitted in the optical channel along with the optical signal. At any downstream detecting point, passing optical signals can be converted through photoelectric conversion, and the channel-associated identification signals are de-spread. By detecting the channel-associated signals, it is possible to learn about whether the upstream loading point work normally, whether the optical channel operates normally, etc., and thereby to find possible failures, solve problems, and monitor quality parameters of optical signals in real time, and improve reliability of the optical signal transmission. | 03-29-2012 |
20130121352 | METHOD AND DEVICE FOR TIME SYNCHRONIZATION - A method and a device for time synchronization are disclosed according to the embodiments of the present invention. The method includes: selecting, by a slave device, a port of a single-fiber bi-directional line as a synchronization port of a 1588 clock protocol; specifying a work mode of the synchronization port; exchanging a 1588 clock synchronization packet with a master device through the synchronization port according to the work mode; acquiring transmission time information and restore a system clock according to the 1588 clock synchronization packet; and adjusting the system clock according to the work mode and the transmission time information. The device includes: a line processing module, a clock recovery module and a clock adjustment module. Through the method and the device, zero-error time synchronization is implemented; and in the case of unfixed path delay, the time synchronization can also be implemented. | 05-16-2013 |
Patent application number | Description | Published |
20090204377 | Method for Constructing Geologic Models of Subsurface Sedimentary Volumes - A method is disclosed for using a three-dimensional seismic image of a subsurface earth volume to construct a geologic model specifying the spatially-varying grain size distribution, porosity, and permeability throughout the volume. The method applies to earth volumes composed of water-lain clastic sedimentary deposits and involves, in one embodiment, (a) identifying the outline forms of geologic bodies in geologic data; (b) using the outline forms of the geologic bodies to determine the spatially-varying grain size distribution within the bodies, guided by assumptions about the nature and behavior of the paleoflow that deposited the bodies; (c) determining rock properties such as, porosity and permeability within the geologic bodies based on grain-size distribution, mineralogy and burial history information. | 08-13-2009 |
20090248378 | Method For Geologic Modeling Through Hydrodynamics-Based Gridding (Hydro-Grids) - A method of hydrodynamics-based gridding (Hydro-Grids) for creating geologic models of subsurface volumes, such as reservoirs, is disclosed. Geologic data is obtained. Vertical grid surfaces are created. Lateral grid surfaces are created to correspond to surfaces of constant geologic time during the deposition of sediments in the subsurface volume. Geologic properties within each cell are represented as values within each cell created by the vertical and lateral surfaces. Reservoir performance is simulated using the represented geologic properties of the subsurface volume. A hydrocarbon reservoir is developed based on the simulated reservoir performance. | 10-01-2009 |
20100057418 | Method for Quantifying Reservoir Connectivity Using Fluid Travel Times - The present application describes a method and system associated with the production of hydrocarbons. In the method, fluid travel time models are constructed from a reservoir model. Then, reservoir connectivity measures are calculated from the fluid travel time models and analyzed to determine a location for at least one well. Based on the analysis, one or more wells may be drilled and hydrocarbons produced. | 03-04-2010 |
20110054869 | Modeling Dynamic Systems By Visualizing and Narrowing A Parameter Space - A method for modeling a dynamic system (e.g., geological system) comprises: constructing an input parameter space for a model of the geological system, the input parameter space including more than three dimensions, and the model associated with response data, representing the input parameter space visually with three or fewer dimensions, reducing the input parameter space by conditioning the parameter space using at least a subset of the response data, and updating the representation of the input parameter space to visually represent the reduction of the parameter space. | 03-03-2011 |
20110232913 | Sediment Transport By Fully Developed Turbulent Flows - The invention is a method of modeling a hydrocarbon reservoir. A parameter value in a set of equations is adjusted so that the output of the equations accurately matches observed sediment erosion and deposition behavior for sediment sizes throughout a range of about 10 microns to about 10 centimeters. An initial condition of a sediment bed in the hydrocarbon reservoir is defined. The equations are applied to the initial condition, wherein outputs of the equations express how a fluid flow affects erosion and deposition of sediments at the initial condition. The initial condition is adjusted based on the equation outputs to create a subsequent sediment bed condition. The equations are re-applied to the subsequent sediment bed condition a pre-determined number of times. The subsequent sediment bed condition is re-adjusted after each re-application of the equations. The model of the hydrocarbon reservoir is created and outputted. | 09-29-2011 |
20110240310 | Overlapped Multiple Layer Depth Averaged Flow Model Of A Turbidity Current - A method of generating a model of a turbidity current in a fluid is disclosed. A first flow layer in the turbidity current is defined. The method successively defines at least one more flow layer in the turbidity current. Each successive flow layer includes the previously defined flow layer. A set of depth-averaged flow variables for each flow layer is defined. A model is developed that describes the turbidity current. The model uses fluid flow equations and the set of depth-averaged flow variables for each flow layer to predict fluid flow in each flow layer. The model is then output. | 10-06-2011 |
20110290478 | Method For Predicting Fluid Flow - A method of enhancing a geologic model of a subsurface region is provided. A bed topography of the subsurface region is obtained. The bed topography is defined by a plurality of cells with an elevation associated with each cell center. The bed topography is represented as a cell-centered piecewise constant representation based on the elevations associated with the cells. The bed topography is reconstructed to produce a spatially continuous surface. Flux and gravitation al force-related source terms are calculated based on the reconstructed bed topography. Fluxes are calculated between at least two of the cells. Fluid flow, deposition of sediments onto the bed, and/or erosion of sediments from the bed are predicted using the fluxes and gravitational force-related source terms. The predictions are inputted into the geologic model to predict characteristics of the subsurface region, and the predicted characteristics are outputted. | 12-01-2011 |
20120006560 | Forming A Model Of A Subsurface Region - A method of forming a geologic model of a subsurface region is disclosed. Data related to the subsurface region is obtained. A framework is constructed to represent the subsurface region. A template is selected from a plurality of templates. The selected template provides at least one property that is characteristic of the subsurface region. The selected template is inserted into the framework, to form the geologic model. The geologic model is then outputted. | 01-12-2012 |
20120014217 | System and method For Performing Time-Lapse Monitor Surverying Using Sparse Monitor Data - Techniques are disclosed for performing time-lapse monitor surveys with sparsely sampled monitor data sets. An accurate 3D representation (e.g., image) of a target area (e.g., a hydrocarbon bearing subsurface reservoir) is constructed ( | 01-19-2012 |
20120158389 | Method and System For Rapid Model Evaluation Using Multilevel Surrogates - The present techniques disclose methods and systems for rapidly evaluating multiple models using multilevel surrogates (for example, in two or more levels). These surrogates form a hierarchy in which surrogate accuracy increases with its level. At the highest level, the surrogate becomes an accurate model, which may be referred to as a full-physics model (FPM). The higher level surrogates may be used to efficiently train the low level surrogates (more specifically, the lowest level surrogate in most applications), reducing the amount of computing resources used. The low level surrogates are then used to evaluate the entire parameter space for various purposes, such as history matching, evaluating the performance of a hydrocarbon reservoir, and the like. | 06-21-2012 |
20130096898 | Methods and Systems For Machine - Learning Based Simulation of Flow - There is provided a method for modeling a hydrocarbon reservoir that includes generating a reservoir model that has a plurality of sub regions. A solution surrogate is obtained for a sub region by searching a database of existing solution surrogates to obtain an approximate solution surrogate based on a comparison of physical, geometrical, or numerical parameters of the sub region with physical, geometrical, or numerical parameters associated with the existing surrogate solutions in the database. If an approximate solution surrogate does not exist in the database, the sub region is simulated using a training simulation to obtain a set of training parameters comprising state variables and boundary conditions of the sub region. A machine learning algorithm is used to obtain a new solution surrogate based on the set of training parameters. The hydrocarbon reservoir can be simulated using the solution surrogate obtained for the at least one sub region. | 04-18-2013 |
20130096899 | Methods And Systems For Machine - Learning Based Simulation of Flow - There is provided a method for modeling a hydrocarbon reservoir that includes generating a reservoir model comprising a plurality of coarse grid cells. The method includes generating a fine grid model corresponding to one of the coarse grid cells and simulating the fine grid model using a training simulation to generate a set of training parameters comprising boundary conditions of the coarse grid cell. A machine learning algorithm may be used to generate, based on the set of training parameters, a coarse scale approximation of a phase permeability of the coarse grid cell. The hydrocarbon reservoir can be simulated using the coarse scale approximation of the effective phase permeability generated for the coarse grid cell. The method also includes generating a data representation of a physical hydrocarbon reservoir in a non-transitory, computer-readable, medium based at least in part on the results of the simulation. | 04-18-2013 |
20130096900 | Methods and Systems For Machine - Learning Based Simulation of Flow - There is provided a method for modeling a hydrocarbon reservoir that includes generating a reservoir model comprising a plurality of sub regions. At least one of the sub regions is simulated using a training simulation to obtain a set of training parameters comprising state variables and boundary conditions of the at least one sub region. A machine learning algorithm is used to approximate, based on the set of training parameters, an inverse operator of a matrix equation that provides a solution to fluid flow through a porous media. The hydrocarbon reservoir can be simulated using the inverse operator approximated for the at least one sub region. The method also includes generating a data representation of a physical hydrocarbon reservoir can be generated in a non-transitory, computer-readable, medium based, at least in part, on the results of the simulation. | 04-18-2013 |
20130118736 | Methods and Systems For Machine - Learning Based Simulation of Flow - There is provided a method for modeling a hydrocarbon reservoir that includes generating a reservoir model that has a plurality of coarse grid cells. A plurality of fine grid models is generated, wherein each fine grid model corresponds to one of the plurality of coarse grid cells that surround a flux interface. The method also includes simulating the plurality of fine grid models using a training simulation to obtain a set of training parameters, including a potential at each coarse grid cell surrounding the flux interface and a flux across the flux interface. A machine learning algorithm is used to generate a constitutive relationship that provides a solution to fluid flow through the flux interface. The method also includes simulating the hydrocarbon reservoir using the constitutive relationship and generating a data representation of a physical hydrocarbon reservoir in a non-transitory, computer-readable medium based on the results of the simulation. | 05-16-2013 |
20130166264 | METHOD AND SYSTEM FOR RESERVOIR MODELING - A method is presented for modeling reservoir properties. The method includes constructing a coarse computational mesh for the reservoir. The coarse computational mesh comprises a plurality of cells. The method further includes determining a plurality of flows for each of the plurality of cells based on Dirichlet boundary conditions. Additionally, the method includes determining a solution to a coarse pressure equation for the reservoir based on the plurality of flows. | 06-27-2013 |
20130275106 | Systems and Methods For Subsurface Reservoir Simulation - Systems and methods for providing a reservoir simulation are based on data from an unstructured grid using a structured grid reservoir simulator. Exemplary methods comprise obtaining an unstructured grid reservoir model comprising a reservoir model discretized on an unstructured grid. A virtual structured grid is defined for the unstructured grid reservoir model. The unstructured grid is aligned with the virtual structured grid by adding cells to the unstructured grid to make the unstructured grid and virtual structured grid have the same number of cells. The virtual structured grid may be represented in the unstructured grid. Structured grid reservoir simulator input data comprising reservoir model data assigned to the virtual structured grid is prepared based on reservoir model data in the unstructured grid model. A structured grid reservoir simulation is performed using the structured grid reservoir simulator input data to produce a reservoir simulation. | 10-17-2013 |
20140330547 | FORMING A MODEL OF A SUBSURFACE REGION - A method of forming a geologic model of a subsurface region is disclosed. Data related to the subsurface region is obtained. A framework is constructed to represent the subsurface region. A template is selected from a plurality of templates. The selected template provides at least one property that is characteristic of the subsurface region. The selected template is inserted into the framework, to form the geologic model. The geologic model is then outputted. | 11-06-2014 |
Patent application number | Description | Published |
20100089591 | EXPANDABLE LINER HANGER AND METHOD OF USE - The present invention generally relates to an expandable liner hanger capable of being expanded into a surrounding casing. In one aspect, an expandable tubular system is provided. The system includes an expandable tubular. The system further includes an expansion swage for expanding the expandable tubular, wherein the expansion swage is deformable from a compliant configuration to a smaller substantially non-compliant configuration. Additionally, the system includes a restriction member disposed on an exterior surface of the expandable tubular, wherein expansion of the expandable tubular in the location of the restriction member deforms the expansion swage from the compliant configuration to the smaller substantially non-compliant configuration. In another aspect, a method of expanding a liner hanger using a cone is provided. | 04-15-2010 |
20100089592 | COMPLIANT EXPANSION SWAGE - The present invention generally relates to a swage assembly that is movable from a compliant configuration having a first shape to a substantially non-compliant configuration having a second shape. In one aspect, an expansion swage for expanding a wellbore tubular is provided. The expansion swage includes a body and a solid cone disposed on the body. The expansion swage further includes a deformable cone disposed on the body, wherein the solid cone is made from a first material and the deformable cone is made from a second material and wherein the deformable cone is movable relative to the body when the expansion swage is in a compliant configuration. In another aspect, a method of expanding a wellbore tubular is provided. | 04-15-2010 |
20110232900 | COMPLIANT EXPANSION SWAGE - The present invention generally relates to a swage assembly that is movable from a compliant configuration having a first shape to a substantially non-compliant configuration having a second shape. In one aspect, an expansion swage for expanding a wellbore tubular is provided. The expansion swage includes a body and a solid cone disposed on the body. The expansion swage further includes a deformable cone disposed on the body, wherein the solid cone is made from a first material and the deformable cone is made from a second material and wherein the deformable cone is movable relative to the body when the expansion swage is in a compliant configuration. In another aspect, a method of expanding a wellbore tubular is provided. | 09-29-2011 |
20130180306 | COMPLIANT EXPANSION SWAGE - The present invention generally relates to a swage assembly that is movable from a compliant configuration having a first shape to a substantially non-compliant configuration having a second shape. In one aspect, an expansion swage for expanding a wellbore tubular is provided. The expansion swage includes a body and a solid cone disposed on the body. The expansion swage further includes a deformable cone disposed on the body, wherein the solid cone is made from a first material and the deformable cone is made from a second material and wherein the deformable cone is movable relative to the body when the expansion swage is in a compliant configuration. In another aspect, a method of expanding a wellbore tubular is provided. | 07-18-2013 |
20130319691 | EXPANDABLE LINER HANGER AND METHOD OF USE - The present invention generally relates to an expandable liner hanger capable of being expanded into a surrounding casing. In one aspect, an expandable tubular system is provided. The system includes an expandable tubular. The system further includes an expansion swage for expanding the expandable tubular, wherein the expansion swage is deformable from a compliant configuration to a smaller substantially non-compliant configuration. Additionally, the system includes a restriction member disposed on an exterior surface of the expandable tubular, wherein expansion of the expandable tubular in the location of the restriction member deforms the expansion swage from the compliant configuration to the smaller substantially non-compliant configuration. In another aspect, a method of expanding a liner hanger using a cone is provided. | 12-05-2013 |
Patent application number | Description | Published |
20130322848 | AUTOMATIC TRIGGERING OF A ZOOMED-IN SCROLL BAR FOR A MEDIA PROGRAM BASED ON USER INPUT - The present disclosure involves a method of managing media playback. The method includes displaying a media program on a touch screen of an electronic device. The method includes detecting, via the touch screen, an input from a user indicating that the user wishes to fast forward or rewind the media program. The method includes triggering, in response to the detected input from the user, an appearance of a scroll bar including an indicator on the touch screen. The indicator is configured to be moved along the scroll bar. A length of the scroll bar represents a predefined amount of time that is a fraction of a total duration of the media program. A position of the indicator relative to the scroll bar corresponds to a time location of the media program. | 12-05-2013 |
20140078178 | Adaptive Display Of A Visual Object On A Portable Device - The present disclosure involves a method of configuring a visual display. The method includes: receiving a first request to display a visual object; displaying the visual object on a portable electronic device; detecting whether a landscape orientation or a portrait orientation is used during the displaying of the visual object in response to the first request; receiving a second request to display the visual object, the second request occurring after the first request; performing, in response to the second request, one of the following actions based on the detecting: if the landscape orientation is used during the displaying of the visual object in response to the first request, displaying the visual object in the landscape orientation by default; and if the portrait orientation is used during the displaying of the visual object in response to the first request, displaying the visual object in the portrait orientation by default. | 03-20-2014 |
20140258854 | METHOD AND APPARATUS FOR SNAPPING TO PREDEFINED LOCATIONS ON A SCROLL BAR WHILE NAVIGATING THROUGH A MEDIA PROGRAM - A media program is displayed on a touch-sensitive screen of an electronic device. On the touch-sensitive screen, a scroll bar and an indicator are displayed. The indicator is configured to be moved along the scroll bar in a first direction or a second direction. A movement of the indicator in the first direction along the scroll bar causes the media program to be navigated forward in time, and a movement of the indicator in the second direction along the scroll bar causes the media program to be navigated backward in time. The indicator is moved along the scroll bar in one of the first and second directions in response to a user engagement of the touch-sensitive screen. The moving of the indicator comprises snapping the indicator to a predefined location on the scroll bar. | 09-11-2014 |
20150046825 | Method and Apparatus for Improving One-handed Operation of a Large Smartphone or a Small Tablet Computer - The present disclosure involves a method of improving one-handed operation of a mobile computing device. A first visual content is displayed on a screen of the mobile computing device. The first visual content occupies a substantial entirety of a viewable area of the screen. While the first visual content is being displayed, an action performed by a user to the mobile computing device is detected. The first visual content is scaled down in response to the detected action and displayed on the screen. The scaled-down first visual content occupies a fraction of the viewable area of the screen. A user interaction with the scaled-down first visual content is then detected. In response to the user interaction, a second visual content is displayed on the screen. The second visual content is different from the first visual content and occupies a substantial entirety of the viewable area of the screen. | 02-12-2015 |
Patent application number | Description | Published |
20130137889 | STRECKER REAGENTS, THEIR DERIVATIVES, METHODS FOR FORMING THE SAME AND IMPROVED STRECKER REACTION - Strecker reagents, their derivatives and methods for forming the same and improved Strecker reaction are provided. The electrophiles for asymmetric Strecker reaction include achiral N-phosphorazides, N-phosphoramides, N-phosphonyl imines and their derivatives. The nucleophiles for asymmetric Strecker reaction include chiral BINOL-derived azides, amides, imines and their derivatives, the chiral and achiral diol-based cyanides and their derivatives, the chiral and achiral diamine-based cyanides and their derivatives, the chiral and achiral amino alcohol-based cyanides and their derivatives, the Strecker nucleophiles that are derived from chiral and achiral hydroxyl carboxylic acids and amino acids. Methods of forming the electrophile for asymmetric Strecker reaction comprise the reactions with steps of: a) synthesizing phosphoryl chloride from achiral diamine; b) synthesizing phosphorous azide; c) synthesizing phosphoramide; d) synthesizing the corresponding achiral N-phosphonyl imines. The asymmetric catalytic Strecker reaction of new achiral N-phosphonyl imines has been developed to give excellent enantioselectivity (up to >99% ee) and yields (up to >97%). | 05-30-2013 |
20140275582 | CHIRAL 2-ARYLPROPYL-2-SULFINAMIDE AND CHIRAL N-2-ARYLPROPYL-2-SULFINYLIMINES AND SYNTHESIS THEREOF - Provided herein are novel chiral sulfinamide and imine compounds. Also provided herein are methods of synthesizing novel chiral sulfinamide and imine compounds comprising simplified purification methods when compared to prior methods. The novel chiral sulfinamide and imine compounds are useful, for example, in the synthesis of complex natural products and pharmaceutical important compounds. | 09-18-2014 |
20140287024 | NANOPARTICLE-BASED DELIVERY SYSTEM WITH OXIDIZED PHOSPHOLIPIDS AS TARGETING LIGANDS FOR THE PREVENTION, DIAGNOSIS AND TREATMENT OF ATHEROSCLEROSIS - Disclosed are nanoparticle-based medicine/nutrient delivery system that are coated or incorporated with oxidized phospholipids as targeting ligands. Such delivery systems can specifically target macrophages, which are determinant cells in the aortic wall for atherosclerotic lesion development, to significantly increase bioavailability and specificity for the prevention, diagnosis and treatment of atherosclerosis. | 09-25-2014 |
Patent application number | Description | Published |
20080287323 | Treatment and Reuse of Oilfield Produced Water - The invention discloses treatment and reuse of oilfield produced water. A method of inhibiting enzymes/bacteria in an aqueous medium for viscosification comprises contacting the aqueous medium with a denaturant and/or a bactericide and thereafter mixing a gelling agent in the aqueous medium. The viscosified fluid can be used as a well treating fluid for fracturing and other applications. A well treatment fluid comprises a metal denaturant and/or a bactericide and a gelling agent in an amount effective to viscosify the fluid. Also disclosed is oilfield produced water denatured with from 1 to 2000 ppm by weight of a zirconium compound. | 11-20-2008 |
20090038799 | System, Method, and Apparatus for Combined Fracturing Treatment and Scale Inhibition - A treatment fluid for a subterranean formation includes a carrier fluid and an amount of particles including a granular scale inhibitor. The carrier fluid includes a hydratable gel fluid, a crosslinked gel fluid, an acid-based fluid, an oil-based fluid, and/or a visco-elastic surfactant. The particles include a proppant impregnated with the scale inhibitor, a solid particle formed largely from the scale inhibitor, or both. The proppant includes scale inhibitor adsorbed on porous surfaces within the proppant, and/or a porous proppant with scale inhibitor embedded in the bulk porosity of the proppant. The scale inhibitor is present in an amount between about 1% and 5% of a total weight of particles. The particles include scale inhibitor at a sufficient concentration and dissolution rate to provide acceptable scale inhibitor concentrations in produced fluids for production volumes exceeding 500 pore volumes. | 02-12-2009 |
20100314117 | ASPHALTENE REMOVAL COMPOSITION AND METHODS - This invention relates to compositions and methods of removing an organic deposit including introducing a fluid, wherein the fluid comprises at least two non-polar organic solvents and at least two polar organic solvents; allowing the fluid to dissolve at least a portion of the organic deposit; and removing at least a portion of the fluid. This invention relates to compositions and methods of removing an organic deposit including introducing a fluid, wherein the fluid comprises at least two non-polar organic solvents and at least two polar organic solvents, wherein the non-polar organic solvents comprise aromatic naphtha, terpenes, kerosene, and combination thereof, and wherein the polar solvents comprise heavy aromatic naphtha, cyclohexanone, N-2-methyl pyrrolidone, N-ethyl-2-pyrrolidone, and combination thereof, allowing the fluid to dissolve at least a portion of the organic deposit, and removing at least a portion of the fluid. | 12-16-2010 |
20110166050 | TREATMENT AND REUSE OF OILFIELD PRODUCED WATER - The invention discloses treatment and reuse of oilfield produced water. A method of inhibiting enzymes/bacteria in an aqueous medium for viscosification comprises contacting the aqueous medium with a denaturant and/or a bactericide and thereafter mixing a gelling agent in the aqueous medium. The viscosified fluid can be used as a well treating fluid for fracturing and other applications. A well treatment fluid comprises a metal denaturant and/or a bactericide and a gelling agent in an amount effective to viscosify the fluid. Also disclosed is oilfield produced water denatured with from 1 to 2000 ppm by weight of a zirconium compound. | 07-07-2011 |
20120273207 | CHITOSAN AS BIOCIDE IN OILFIELD FLUIDS - The current application discloses fluids and methods for treating a subterranean formation penetrated by a wellbore, such as hydraulic fracturing. In one aspect, there is provided an oilfield fluid comprising chitosan at an amount sufficient to inhibit the growth of bacterial in the oilfield fluid. In another aspect, there is provided a method of preserving an oilfield fluid containing adding chitosan at a concentration that is sufficient to inhibit the growth of bacteria in the oilfield fluid. In a further aspect, there is provided a method of treating a subterranean formation penetrated by a wellbore, comprising preparing a treatment fluid, adding chitosan at a concentration sufficient to inhibit the growth of bacteria in the treatment fluid, introducing the mixture to the subterranean formation, and treating the subterranean formation with the mixture. | 11-01-2012 |
20120277128 | FLUIDS COMPRISING CHITOSAN CROSSLINKED BY TITANATE - The current application discloses fluids and methods for treating a subterranean formation penetrated by a wellbore. In one aspect, there is provided a fluid comprising chitosan and titanate, where the fluid has an increased viscosity compared with a solution containing chitosan without titanate. In another aspect, there is provided a method of using such fluid to treat a subterranean formation penetrated by a wellbore. The method may comprise mixing chitosan and titanate in a carrying medium, forming a gel comprising chitosan and titanate, introducing the gel into a subterranean formation, and treating the subterranean formation with the gel. | 11-01-2012 |
Patent application number | Description | Published |
20110190623 | THERMALLY-ACTIVATABLE LIPOSOME COMPOSITIONS AND METHODS FOR IMAGING, DIAGNOSIS AND THERAPY - Disclosed are thermally-activatable liposomal compositions and methods for their use in the formulation and administration of therapeutic, prophylactic, and diagnostic agents. The disclosed liposome structures are capable of carrying a variety of biologically active reagents, and permitting their controlled release in vivo by exploiting properties of their thermoregulatable lability. | 08-04-2011 |
20110270151 | IMAGE-GUIDED ENERGY DEPOSITION FOR TARGETED DRUG DELIVERY - Disclosed are compositions and methods for targeted drug delivery using image-guided energy deposition to help localize active compounds to particular sites within the body of an animal. Also provided are compounds and formulations thereof for use in the targeted administration of therapeutically, prophylactically, and/or diagnostically effective amounts of such agents to a population of cells or tissues of a mammal in need thereof. | 11-03-2011 |
20140044646 | Labeled, Non-Peptidic, Multivalent Integrin Antagonist Compounds; Methods for Synthesis and Uses Thereof - Disclosed are multivalent, integrin-receptor antagonists that are useful in a variety of therapeutic, prophylactic, and/or diagnostic imaging modalities. In illustrative embodiments, such compounds have been prepared and utilized in the imaging, detection, localization, and/or quantitation of one or more samples of biological interest. Similarly, these compounds, as well as formulations comprising them, find utility in the prevention, treatment, and/or amelioration of one or more symptoms of a disease, abnormal condition, dysfunction, etc., including, for example proliferative diseases such as cancer in affected animals. In certain embodiments, fluorescently- or radio-labeled-non-peptidic, multivalent integrin α | 02-13-2014 |
Patent application number | Description | Published |
20080297253 | Single-Ended Gain Stage And Disk Drive - An electrical apparatus comprising an amplifier having a first input, a second input, and an output. The apparatus further comprises a first electrical path coupled to the first input and having a first resistance and a first electrical path coupled to the second input and having a second resistance. The apparatus further comprises a second electrical path coupled to the second input and having a third resistance and a second electrical path, comprising an electrically-controllable resistance, coupled between the output and the first input. Further, the apparatus comprises circuitry for controlling the electrically-controllable resistance for adjusting a ratio between the electrically-controllable resistance and the third resistance to approximate a ratio between the first resistance and the second resistance. | 12-04-2008 |
20090045865 | SQUARE-FUNCTION CIRCUIT - A square-function circuit includes an input field-effect transistor (FET) having a gate that is driven by an input voltage and is configured to conduct an output current. The circuit also includes a feedback circuit coupled to a source of the input FET, the feedback circuit being configured to drive a source of the input FET based on the output current to set a magnitude of the output current to be substantially equal to a square of the input voltage. | 02-19-2009 |
20100123442 | RECONFIGURABLE REGULATOR AND ASSOCIATED METHOD - One embodiment of the invention includes a regulator system that includes a high-side power transistor electrically connected between a first node and a second node. The system also includes a low-side power transistor electrically connected between the second node and a third node. The high and low-side power transistors can be controlled by high and low-side control signals, respectively. A mode controller provides at least one mode control signal having a value to enable operation of the regulator system in each of a buck switching, boost switching, negative switching, and linear regulator mode. The regulator system can utilize at least one of the high-side power transistor and the low-side power transistor to operate in the selected mode depending on at least one of an input voltage and an arrangement of external circuitry that are electrically coupled to at least one of the first, second, and third nodes to provide a regulated output voltage. | 05-20-2010 |
20110156942 | REDUCED AREA DIGITAL-TO-ANALOG CONVERTER - One embodiment of the invention includes a digital-to-analog converter (DAC) system. A resistive ladder comprises a plurality of resistors having an approximately equal resistance and is arranged in a respective plurality of resistive rungs between first and second ends of the resistive ladder. The first end of the resistive ladder can be coupled to an output and at least a portion of the plurality of resistors between the first end and the second end of the resistive ladder can have a physical size that is descending size-scaled in a direction from the first end of the resistive ladder to the second end of the resistive ladder. A switching circuit is configured to connect each of the plurality of resistive rungs to one of a first voltage and a second voltage based on a binary value of a digital input signal to generate a corresponding analog output voltage at the output. | 06-30-2011 |
20130200954 | BEMF MONITOR GAIN CALIBRATION STAGE IN HARD DISK DRIVE SERVO INTEGRATED CIRCUIT - A high performance digitalized Programmable Gain Amplifier (PGA). In prior art circuit, a dual-ladder DAC is employed for gain control, the back gate leakage of NMOS resistors in the fine ladder conquers fine ladder nominal current and it produces non-monotonic gain scallop. Two new art design techniques: (1) adaptively control the fine ladder; and (2) use dummy PMOS brunch device leakage compensates for the NMOS resistor device leakage, are proposed so that the non-monotonic scallops are substantially eliminated and 13-bit resolution/accuracy PGA has been achieved. | 08-08-2013 |
20140097774 | BACK ELECTROMAGNETIC FORCE (BEMF) SENSE SYSTEM - One embodiment includes a back-electromagnetic force (BEMF) sense system. The system includes a sense amplifier configured to measure an amplitude of a selected one of a plurality of phase voltages relative to a center tap voltage associated with a servo motor for the calculation of an associated BEMF voltage. The plurality of phase voltages can be provided to the sense amplifier via a respective plurality of control nodes. The selected one of the plurality of phase voltages on a respective one of the control nodes can be selected based on coupling the other of the plurality of control nodes associated with the other of the plurality of phase voltages to a voltage source configured to provide a predetermined voltage magnitude. | 04-10-2014 |
20140117903 | BACK EMF MONITOR FOR MOTOR CONTROL - An integrated circuit includes a motor current input voltage-to-current (VI) converter that receives a motor current sensor voltage from a motor and a reference voltage to generate an output current related to a motor's current. A motor current calibration VI converter compensates for errors in the motor current input VI converter and generates a calibration output current based on the reference voltage, wherein the output current and the calibration output current are combined to form an estimate of the motor's current. | 05-01-2014 |
Patent application number | Description | Published |
20110179185 | System and Method for Adaptive Differentiated Streaming - A system and method for adaptive differentiated streaming are provided. A method for server operations includes establishing a connection for streaming media to a subscriber, receiving a request for a selected media content alternative, and streaming the selected media content alternative to the subscriber. The media content alternative to be streamed is selected based on a classification of the subscriber. | 07-21-2011 |
20110179186 | System and Method for Differentiated Services in Adaptive Streaming - A system and method for differentiated services in adaptive streaming are provided. A method for server operations includes: determining an optimization of aggregated quality of experience scores for a set of candidate subscribers served by a server; adjusting a service rate of at least one subscriber based on the determined optimization of aggregated quality of experience scores; and streaming information to the at least one subscriber based on the adjusted service rate. The optimization is based on one or more of: a subscriber level for one or more of the plurality of subscribers; a current service rate; and available service rates. | 07-21-2011 |
20110280143 | System, Apparatus for Content Delivery for Internet Traffic and Methods Thereof - In one embodiment, a method of serving media includes receiving a delivery log of traffic use after every first time interval for an user equipment. The user equipment is part of a hot billing class of users. The traffic use comprises data usage by the user equipment during communication with a media server in a layer2 access network. A user traffic information computed from the delivery log is transmitted to a billing center. A account status information is received from the billing center. The account status information is received if the user equipment exceeds a user account metric. A session termination information based on the account status information is transmitted. | 11-17-2011 |
20110280153 | System, Apparatus for Content Delivery for Internet Traffic and Methods Thereof - In one embodiment, a method of serving media includes receiving a request to serve media content to an user equipment, and receiving caching information regarding the media content. The caching information includes information regarding whether the media content requested by the user equipment is cacheable. A first media server is assigned from a hierarchical set of media servers to serve the user equipment if the media content to be served is cacheable. The hierarchical set of media servers includes a plurality of first type of media servers deployed in a plurality of layer2 (L2) access networks. The user equipment is coupled to the content delivery network through a layer2 access network of the plurality of L2 access networks. | 11-17-2011 |
20110280216 | System, Apparatus for Content Delivery for Internet Traffic and Methods Thereof - In one embodiment, a method of serving media includes receiving a request to serve a cacheable media content to a user equipment at a second media server deployed in a second layer2 access network. The request is received around when the user equipment is handed-off from a first layer2 node in a first layer2 access network to a second layer2 node in the second layer2 access network and when a streaming session of the cacheable media content to the user equipment from a first media server is terminated. The method further includes determining if the cacheable media content is stored in a cache of the second media server, and serving the cacheable media content from the cache of the second media server to the user equipment if the media content is stored in the cache of the second media server. | 11-17-2011 |
20110283011 | System, Apparatus for Content Delivery for Internet Traffic and Methods Thereof - In one embodiment, a method of serving media includes receiving user profiles from a layer3 node in an access network, and receiving a request to serve media content to a user equipment. The user profiles include information relating to user account and/or network characteristics of the user equipment. The method further includes using an user equipment information from the user profiles, assigning a first media server from a hierarchical set of media servers to serve the user equipment if the media content to be served is cacheable. The hierarchical set of media servers include a plurality of first type of media servers deployed in a plurality of layer2 (L2) access networks. The user equipment is coupled to a content delivery network through a layer2 access network of the plurality of layer2 access networks. | 11-17-2011 |
Patent application number | Description | Published |
20110308794 | Real Time Determination of Casing Location and Distance with Tilted Antenna Measurement - Methods and apparatus for detecting nearby conductors such as pipes, well casing, etc., from within a borehole. A nearby casing string can be detected by transmitting an electromagnetic signal from a first antenna on a downhole logging tool and measuring a response signal with a second antenna. As the tool rotates, the transmitting and measuring are repeated to determine the azimuthal dependence of the response signal. The azimuthal dependence is analyzed to determine an diagonal component and a cross component. The amplitude of the diagonal component is indicative of distance to the conductive feature. Direction can be determined based on the diagonal component alone or in combination with the cross component. Sinusoidal curve fitting can be employed to improve accuracy of the distance and direction estimates. At least one of the antennas is preferably tilted. Measurement results are presented for parallel tilted and perpendicular tilted antennas. | 12-22-2011 |
20110308859 | System and Method for EM Ranging in Oil-Based Mud - Nearby conductors such as pipes, well casing, etc., are detectable from within a borehole filled with an oil-based fluid. At least some method embodiments provide a current flow between axially-spaced conductive bridges on a drillstring. The current flow disperses into the surrounding formation and causes a secondary current flow in the nearby conductor. The magnetic field from the secondary current flow can be detected using one or more azimuthally-sensitive antennas. Direction and distance estimates are obtainable from the azimuthally-sensitive measurements, and can be used as the basis for steering the drillstring relative to the distant conductor. Possible techniques for providing current flow in the drillstring include imposing a voltage across an insulated gap or using a toroid around the drillstring to induce the current flow. | 12-22-2011 |
20120283951 | METHODS AND SYSTEMS FOR DETERMINING FORMATION PARAMETERS USING A ROTATING TOOL EQUIPPED WITH TILTED ANTENNA LOOPS - Methods and systems for characterizing a formation are disclosed. A tool is placed in the formation. The tool comprises a perpendicular antenna set and a parallel antenna set. The perpendicular antenna set comprises at least one transmitter antenna oriented perpendicular to at least one receiver antenna and the parallel antenna set comprises at least one transmitter antenna oriented parallel to at least one receiver antenna. Data is obtained from the tool and used to determine a compensated geosignal for each of the perpendicular antenna set and the parallel antenna set. The determined compensated geosignal is used to characterize the formation. | 11-08-2012 |
20120283952 | REAL-TIME CASING DETECTION USING TILTED AND CROSSED ANTENNA MEASUREMENT - Methods and apparatus for detecting nearby conductors such as pipes, well casing, etc., from within a borehole. A nearby casing string can be detected by transmitting an electromagnetic signal from a transmit antenna on a downhole logging tool and measuring a parallel response signal with a first receive antenna parallel to the transmit antenna and a perpendicular response signal with a second receive antenna perpendicular to the transmit antenna, both receive antennas on the downhole logging tool. As the tool rotates, the transmitting and measuring are repeated to determine the azimuthal dependence of the parallel and perpendicular response signals. The azimuthal dependence is analyzed to determine a diagonal component of said azimuthal dependence for each response signal. Distance to a casing string can be estimated using the diagonal component of each response signal. At least one of the antennas is preferably tilted. | 11-08-2012 |
20130046474 | Efficient Inversion Systems and Methods for Directionally-Sensitive Resistivity Logging Tools - Various resistivity logging tools, systems, and methods are disclosed. At least some tool embodiments include transmit and receive antennas that measure the electromagnetic response of the formation, at least one of which is tilted to provide a directional sensitivity. A processor converts the response (measured as a function of the tool's rotation angle) into a set of inversion parameters, which are then used to estimate the anisotropic properties of the formation. The set of inversion parameters includes at least one parameter based on an antipodal sum of the response signal, and may further include parameters based on an antipodal difference and an average of the signal response. Antipodal sum and difference values at different rotational orientations can be included in the set of inversion parameters, and they may be normalized to reduce environmental effects. Some tool embodiments collect the relevant formation measurements using parallel or perpendicular tilted antennas. | 02-21-2013 |
20130144530 | METHOD AND APPARATUS FOR DOWNHOLE MEASUREMENT TOOLS - Various embodiments include apparatus and methods of operation with respect to well logging. Apparatus and methods include a tool having an arrangement of transmitters and receivers that are operated at different positions downhole and a processing unit to process collected signals such that the arrangement of transmitters and receivers provides measurements that mimic operation of a different arrangement of transmitters and receivers. Additional apparatus, systems, and methods are disclosed. | 06-06-2013 |
20130234718 | MULTI-ARRAY LATEROLOG TOOLS AND METHODS WITH DIFFERENTIAL VOLTAGE MEASUREMENTS - Multi-array laterolog tool systems and methods acquire a set of array measurements sufficient to provide laterolog tool measurements of differing array sizes. Such systems and method offer multiple depths of investigation while offering greater measurement stability in borehole environments having high resistivity contrasts. In at least some system embodiments, a wireline or LWD tool body has a center electrode positioned between multiple pairs of guard electrodes and a pair of return electrodes. The tool's electronics provide a current from the center electrode to the pair of return electrodes and currents from each pair of guard electrodes to the pair of return electrodes. Each of the currents may be distinguishable by frequency or distinguishable by some other means. This novel arrangement of currents provides a complete set of measurements that enables one tool to simultaneously emulate a whole range of laterolog tools. | 09-12-2013 |
20130257436 | Multi-Array Laterolog Tools and Methods - Multi-array laterolog tool systems and methods acquire a set of array measurements sufficient to provide laterolog tool measurements of differing array sizes. Such systems and method offer multiple depths of investigation while offering greater measurement stability in borehole environments having high resistivity contrasts. In at least some system embodiments, a wireline or LWD tool body has a center electrode positioned between multiple pairs of guard electrodes and a pair of return electrodes. The tool's electronics provide a current from the center electrode to the pair of return electrodes and currents from each pair of guard electrodes to the pair of return electrodes. Each of the currents may be distinguishable by frequency or distinguishable by some other means. This novel arrangement of currents provides a complete set of measurements that enables one tool to simultaneously emulate a whole range of laterolog tools. | 10-03-2013 |
20140188391 | SYSTEMS AND METHODOLOGY FOR DETECTING A CONDUCTIVE STRUCTURE - Various embodiments include apparatus and methods to detect and locate conductive structures below the earth's surface. Tools can be configured with receiving sensors arranged to receive signals generated from a conductive structure in response to a current flowing on the conductive structure. Magnetic-related values from the signals can be processed, relative to the tool, to determine a position of a conductive structure from which the signal was generated in response to current flowing on the conductive structure. Additional apparatus, systems, and methods are disclosed. | 07-03-2014 |
20140244174 | SYSTEMS AND METHODOLOGY FOR DETECTING A CONDUCTIVE STRUCTURE - Various embodiments include apparatus and methods to detect and locate conductive structures below the earth's surface. Tools can be configured with receiving sensors arranged to receive signals generated from a conductive structure in response to a current flowing on the conductive structure. Magnetic-related values from the signals can be processed, relative to the tool, to determine a position of a conductive structure from which the signal was generated in response to current flowing on the conductive structure. Additional apparatus, systems, and methods are disclosed. | 08-28-2014 |
20140306710 | MULTI-ARRAY LATEROLOG TOOLS AND METHODS WITH SPLIT MONITOR ELECTRODES - Multi-array laterolog tool systems and methods acquire a set of array measurements sufficient to provide laterolog tool measurements of differing array sizes. Such systems and method offer multiple depths of investigation while offering greater measurement stability in borehole environments having high resistivity contrasts. In at least some system embodiments, a wireline or LWD tool body has a center electrode positioned between multiple pairs of guard electrodes and a pair of return electrodes. At least some of the guard electrodes are positioned between component electrodes of associated split monitor electrodes that enable more accurate measurement of the guard electrode potential. The tool's electronics provide a current from the center electrode to the pair of return electrodes and currents from each pair of guard electrodes to the pair of return electrodes. Each of the currents may be distinguishable by frequency or distinguishable by some other means. | 10-16-2014 |
Patent application number | Description | Published |
20100212570 | VESSEL MOORING SYSTEMS AND METHODS - A mooring system comprising a structure in a body of water; a vessel in the body of water; a first anchor in the body of water; a second anchor in the body of water; a first line connecting the first anchor and the vessel; a second line connecting the second anchor and the vessel; and a third line connecting the structure and the vessel. | 08-26-2010 |
20120114421 | SEMI-SUBMERSIBLE FLOATING STRUCTURE - A floating system comprising a plurality of buoyant columns, a top portion of the columns extending above a water surface, and a bottom portion of the columns submerged in a body of water; a deck connected to the top portion of the columns; at least one pontoon connected to the bottom portion of at least two of the columns; a plurality of heave plates, each heave plate connected to the bottom portion of at least one of the columns; and a conduit connected to the deck and extending to a bottom of the body of water. | 05-10-2012 |
20120121335 | DEEPWATER CONTAINMENT SYSTEM WITH SURFACE SEPARATOR AND METHOD OF USING SAME - A subsea oil containment system, comprising a subsea collector located near a bottom of a body of water; a surface collector located near a surface of the body of water; and a riser connected to the subsea collector at a first end and extending to a second end located near the surface collector. | 05-17-2012 |
20120213587 | DEEPWATER CONTAINMENT SYSTEMS WITH FLEXIBLE RISER AND METHODS OF USING SAME - A subsea oil containment system, comprising: a subsea collector located near the bottom of a body of water; a surface collector located near a surface of the body of water; and a flexible riser connected to the subsea collector at a first end and extending to a second end located near the surface collector. | 08-23-2012 |
20130319681 | SURFACE CLOSE PROXIMITY WELLS - An offshore oil production system, comprising a structure in a body of water, having a portion extending above a surface of the body of water; a first surface wellhead located at a top of the body of water; a second surface wellhead located at a top of the body of water; a first wellhead located at a bottom of the body of water; a second wellhead located at a bottom of the body of water; a first riser extending from the first wellhead to the first surface wellhead; and a second riser extending from the second wellhead to the second surface wellhead; wherein the first surface wellhead is a distance of less than about 12 feet from the second surface wellhead. | 12-05-2013 |
20150031252 | SYSTEM FOR MOORING A PRODUCTION VESSEL - A system for mooring a floating production vessel comprising: two or more buoys anchored to the seafloor that are also connected directly to the floating production vessel; and one or more risers connected to at least one of the buoys that is also connected to one or more subsea wellheads or manifolds wherein the buoys are not connected to the floating vessel by a swivel and turret system. | 01-29-2015 |
Patent application number | Description | Published |
20120317448 | SENDING NETWORK REJECT/ERROR CODES FROM A TERMINAL ADAPTOR TO TERMINAL EQUIPMENT THROUGH AN AT COMMAND INTERFACE - Error information is sent from a terminal adaptor that accesses a wireless network to terminal equipment coupled to access the wireless network through the terminal adaptor. The error information is sent in response to existence of any one of a plurality of errors conditions with respect to access to the wireless network. The error information includes an error type identifying a domain associated with a source of the error condition being reported and an error code providing a reject error cause for the error condition. One of the error conditions may include an unsolicited error received by the terminal adaptor from the wireless network or when a request by the TA is ignored by the wireless network. | 12-13-2012 |
20130017804 | EFFICIENT PROCESSING OF RADIO RESOURCE REQUESTSAANM Jun; JerryAACI AustinAAST TXAACO USAAGP Jun; Jerry Austin TX USAANM Liu; HuitaoAACI AustinAAST TXAACO USAAGP Liu; Huitao Austin TX USAANM Parra; DarwinAACI PleasantonAAST CAAACO USAAGP Parra; Darwin Pleasanton CA USAANM Li; YunpengAACI AustinAAST TXAACO USAAGP Li; Yunpeng Austin TX US - A system for efficiently transmitting requests for data access from a wireless communications device to a radio access network. Requests for data access may be aggregated to more efficiently use radio resources. Aggregated requests may not be transmitted until a total number of requests or size of aggregated requests exceeds a threshold. Regardless of aggregation, requests may be stored until a timer expires, and then transmitted to the radio access network. Request priority, environmental data, and device data may be taken into account in determining when to transmit requests for data access. | 01-17-2013 |
20140148169 | APPARATUS AND METHOD FOR MANAGEMENT OF RADIO RESOURCE CONTROL CONNECTIONS - A system that incorporates the subject disclosure may include, for example, accessing configuration information, monitoring for radio resource control connection requests being transmitted from the wireless communication device to a first server of a first cell of a network, determining whether failed radio resource control connection requests satisfy a cell barring threshold based on the monitoring and based on the configuration information, and responsive to a determination that the cell barring threshold has been satisfied, causing the wireless communication device to perform cell selection for a second cell of the network and to perform cell barring of the first cell. Other embodiments are disclosed. | 05-29-2014 |
20140153408 | APPARATUS AND METHOD FOR MANAGING REQUESTS FOR SERVICE - A system that incorporates the subject disclosure may include, for example, responsive to a determination that a first communication session is in a first state and a first sub-state, monitoring for an active timer associated with the first sub-state, where the first state and the first sub-state are defined by a communications protocol. The system can, responsive to a detection of the active timer, monitor for a packet switching service initiation request generated by the applications processor. The system can, responsive to detecting the packet switching service initiation request, temporarily prevent the packet switching service initiation request from being transmitted by the transceiver. Other embodiments are disclosed. | 06-05-2014 |
20140269275 | APPARATUS AND METHOD FOR MANAGEMENT OF SERVICE REQUESTS IN AN OVERLOAD ENVIRONMENT - A system that incorporates the subject disclosure may include, for example, responsive to a determination that a number of failed service requests directed to a first access technology exceeds a threshold for a maximum number of failed service requests, performing cell selection associated with a second radio access technology during an overload mitigation time duration; and responsive to a determination of an expiration of the overload mitigation time duration, transmitting additional service requests associated with the first radio access technology. Other embodiments are disclosed. | 09-18-2014 |
20140344634 | SENDING NETWORK REJECT/ERROR CODES FROM A TERMINAL ADAPTOR TO TERMINAL EQUIPMENT THROUGH AN AT COMMAND INTERFACE - Error information is sent from a terminal adaptor that accesses a wireless network to terminal equipment coupled to access the wireless network through the terminal adaptor. The error information is sent in response to existence of any one of a plurality of errors conditions with respect to access to the wireless network. The error information includes an error type identifying a domain associated with a source of the error condition being reported and an error code providing a reject error cause for the error condition. One of the error conditions may include an unsolicited error received by the terminal adaptor from the wireless network or when a request by the TA is ignored by the wireless network. | 11-20-2014 |