Patent application number | Description | Published |
20090048126 | Method of Treating Formation With Polymer Fluids - A method of treating a subterranean formation penetrated by a wellbore is carried out by providing a treatment fluid comprising a hydratable polymer, a divalent metal salt in an amount of at least about 0.25 mol/L and an aluminum crosslinking agent. The fluid is provided with a pH of from about 5 or higher. The treatment fluid may be caused to contact the formation by introducing the fluid into the wellbore. The fluid may optionally contain a polyol. | 02-19-2009 |
20100093565 | SYSTEM, METHOD, AND APPARATUS FOR UTILIZING DIVALENT BRINES IN VISCOSIFIED WELL TREATMENT FLUIDS - A method includes providing a wellbore treatment fluid having a divalent brine and an amount of polymer and lowering a pH value of the treatment fluid. The method further includes retaining the treatment fluid at the lower pH value until the polymer achieves a primary hydration value. The method further includes adding a cross-linking agent and a cross-linking delay agent to the treatment fluid. The cross-linking agent includes zirconium and/or titanium, and the cross-linking delay agent is a polyol. The method further includes performing a wellbore treatment with the treatment fluid. | 04-15-2010 |
20100130388 | METHOD FOR TREATING WELL BORE IN A SUBTERRANEAN FORMATION WITH HIGH DENSITY BRINES AND COMPLEXED METAL CROSSLINKERS - The invention discloses a method of treating a wellbore by providing an aqueous mixture of a hydrated polysaccharide with a salt; adding to the mixture a cross-linking agent for cross-linking the hydrated polysaccharide, wherein the cross-linking agent comprises a zirconium compound, glutamic acid, and a polyol; pumping the aqueous mixture of the hydrated polysaccharide and the cross-linking agent into the wellbore; and cross-linking the hydrated polysaccharide. | 05-27-2010 |
20110245113 | METHOD OF SUBTERRANEAN FORMATION TREATMENT - A method of treating a subterranean formation with a xanthan-viscosified cesium formate brine wherein the pH and/or another characteristic selected from density, xanthan loading, sodium formate loading, potassium formate loading and combinations thereof are modified to delay solid hydrogel formation and maintain pumpability. Also disclosed is a method of delaying onset of solid hydrogel formation, in a gel comprising cesium formate brine viscosified with xanthan polymer, comprises introducing acid into the brine in an amount effective for a pH from 7 to 11, wherein the acid introduction is before, during or after xanthan viscosification and prior to hydrogel formation, wherein the hydrogel formation in the acidified gel occurs at a later time relative to the same gel at a natural pH. | 10-06-2011 |
20120111567 | FORMATE SALTS FOR INCREASED STABILITY OF POLYACRYLAMIDE FLUIDS - Methods and apparatus for using a fluid within a subterranean formation, including forming a fluid comprising an acrylamide copolymer and a formate salt, and introducing the fluid to the subterranean formation, wherein a temperature of the formation is about 149° C. or warmer. Also, methods and apparatus for a fluid for use within a subterranean formation, including an acrylamide copolymer comprising polyacrylamide, a formate salt comprising potassium, and a crosslinker comprising zirconium. Additionally, methods and apparatus for using a fluid within in a subterranean formation, including forming a fluid comprising an acrylamide copolymer and a formate salt, and introducing proppant into the fluid to form a mixture, introducing the mixture to the subterranean formation, wherein a temperature of the formation is about 149° C. or warmer. | 05-10-2012 |
20120285688 | METHOD OF WELL TREATMENT USING SYNTHETIC POLYMERS - A method for treating a subterranean formation, including estimating the solubility parameter of a monomer; selecting a solvent based on the parameter; forming a fluid comprising the monomer and solvent; and introducing the fluid to the formation, wherein the formation is about 350° F. or warmer. A method for treating a subterranean formation, including forming a fluid comprising the monomer and solvent, wherein the monomer comprises poly(2-hydroxyethyl methacrylate) and/or poly(2-hydroxyethyl acrylate, and wherein the solvent comprises zinc bromide or calcium bromide or both; and introducing the fluid to the formation, wherein the formation is about 350° F. or warmer. | 11-15-2012 |
Patent application number | Description | Published |
20130220607 | METHODS OF USING CELLULOSE IN VARIOUS OILFIELD APPLICATIONS - Described herein is a method of well treatment that includes providing a well treatment composition containing a non-functionalized cellulose material and a halide salt composition containing at least zinc halide, calcium halide or a mixture thereof, and placing the well treatment composition within a wellbore or a subterranean formation, and wherein the halide salt composition dissolves at least a portion of the non-functionalized cellulose material. | 08-29-2013 |
20140083700 | Compositions and Methods for Plug Cementing - Compositions comprise water, an acrylate monomer or a methacrylate monomer or a combination thereof, a free-radical polymerization initiator and a water-soluble bromide salt. 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. | 03-27-2014 |
20150027701 | METHODS OF USING OLEAGINOUS FLUIDS FOR COMPLETION OPERATIONS - In a method of gravel packing a wellbore in a subterranean formation, the wellbore having a cased section and an uncased section, the method may include pumping into the wellbore a gravel pack composition having gravel and a carrier fluid, where the carrier fluid includes an oleaginous fluid and an inorganic solid aggregator material. | 01-29-2015 |
Patent application number | Description | Published |
20090031042 | SPREAD IDENTITY COMMUNICATIONS ARCHITECTURE - Real routable external addresses may be pooled rather than assigned to nodes and may be dynamically bound to connections by a proxy or gateway device in ways that spread apparent identity of individual nodes across multiple of the external addresses. In general, these spread identity techniques may be employed at one end or the other of a connection, as well as at both ends. In a typical double-ended configuration, the architecture and associated techniques provide “double-blindfolding,” wherein true identities (addresses) of communicating peers are always hidden from each other. In some double-ended configurations, dynamic binding may be employed at a fine level of granularity, for instance allowing individual packets associated with given connection to bear different apparent source addresses and/or different apparent destination addresses. In some single-ended configurations, a spread identity proxy is interposed between an information server and a plurality of requesters. The proxy redirects individual inbound connection requests for information from the information server to distinct addresses of a pool and establishes corresponding network address translations thereby dynamically spreading identity of the information server across multiple distinct addresses of the pool. | 01-29-2009 |
20100306533 | SYSTEM, METHOD, AND APPARATA FOR SECURE COMMUNICATIONS USING AN ELECTRICAL GRID NETWORK - A secure communications and location authorization system using a power line or a potion thereof as a side-channel that mitigates man-in-the-middle attacks on communications networks and devices connected to those networks. The system includes a power grid server associated with a substation, or curb-side distribution structure such as a transformer, an electric meter associated with a structure having electric service and able to communicate with the power grid server, a human authorization detector input device connected to the electric meter and the power grid server. The human authorization detector is able to receive an input from a user physically located at the structure and capable of communicating with the power grid server via the electric meter. The user's physical input into the device causing a request to be sent to the power grid server that then generates a location certificate for the user. Without the location certificate, access to the communications network and devices connected to those networks can be denied. | 12-02-2010 |
20110231465 | Residue Number Systems Methods and Apparatuses - A method for performing reconstruction using a residue number system includes selecting a set of moduli. A reconstruction coefficient is estimated based on the selected set of moduli. A reconstruction operation is performed using the reconstruction coefficient. | 09-22-2011 |
20140108789 | SYSTEM, METHOD AND APPARATA FOR SECURE COMMUNICATIONS USING AN ELECTRICAL GRID NETWORK - A secure communications and location authorization system using a power line or a portion thereof as a side-channel that mitigates man-in-the-middle attacks on communications networks and devices connected to those networks. The system includes a power grid server associated with a substation, or curb-side distribution structure such as a transformer, an electric meter associated with a structure having electric service and able to communicate with the power grid server, a human authorization detector input device connected to the electric meter and the power grid server. The human authorization detector is able to receive an input from a user physically located at the structure and capable of communicating with the power grid server via the electric meter. The user's physical input into the device causing a request to be sent to the power grid server that then generates a location certificate for the user. Without the location certificate, access to the communications network and devices connected to those networks can be denied. | 04-17-2014 |
Patent application number | Description | Published |
20090019345 | Compression of Stream Data Using a Hierarchically-Indexed Database - The present invention, in particular embodiments, is directed to methods, apparatuses and systems that provide an efficient compression technique for data streams transmitted to storage devices or over networks to remote hosts. Local storage as well as network transmission of streams is made more efficient by awareness and utilization of repeated sequences of data blocks. Such data blocks can be placed in a dictionary on persistent storage and shared across all streams. The dictionary is hierarchically indexed (two or more levels of indexing) to combine high efficiency search with efficient access to the stored data blocks. Additionally, data blocks, in particular implementations, are stored sequentially in order to improve overall performance. | 01-15-2009 |
20100146083 | WAFS Disconnected-Mode Read-Write Access - The present invention, in particular embodiments, provides methods, apparatuses and systems directed to providing a Wide Area File System that is robust against network connectivity issues. In particular implementations, the present invention provides a WAFS disconnected-mode read-write access that provides for a more seamless user experience against WAN or other network connectivity failures. Specific embodiments provide for management, at a network device such as an EFG node, of file objects previously opened during a connected state with a remote file server appliance, creation of new file objects during a disconnected state and re-synchronization of those file objects (data and meta-data) when a connection becomes available. | 06-10-2010 |
Patent application number | Description | Published |
20090327944 | APPARATUS AND METHOD TO DEVELOP MULTI-CORE MICROCOMPUTER-BASED SYSTEMS - A method and apparatus for developing multicore microcomputer-based systems. A dual core controller model having at least one parameter is simulated and, similarly, a plant model having at least one parameter and controlled by the controller model is also simulated. The user interface then has access to the parameters of the controller model and plant model and optionally suspends execution of the controller model and plant model in response to a trigger event. The user interface determines the status of the various controller model parameters for both cores and/or plant model parameters at the time of the trigger without altering the controller model parameters or the plant model parameters. The core parameters for both cores are displayed on a display device. | 12-31-2009 |
20120083932 | SYSTEM FOR MANAGING ELECTRICAL POWER DISTRUBUTION BETWEEN INFRASTRUCTURE AND ELECTRIC VEHICLES - A system for managing electrical power requirements between at least two power grids including a number of automotive vehicles each of which has an electric motor which propels the vehicle at least partly during its operation. An electric battery is contained in each vehicle as well as a wireless transmitter. A processor contained within each vehicle communicates with the wireless transmitter to transmit information to a base station indicative of the state of charge of the battery, vehicle identification information, and vehicle destination. The base station or upstream entity processes the data from the multiple vehicles to estimate the geographic power requirements necessary to recharge the batteries and then redirects power among at least two different power grids in order to meet those geographic power requirements. | 04-05-2012 |
20130338975 | METHOD FOR CO-SIMULATION OF TWO OR MORE MATHEMATICAL MODELS - A method for the co-simulation of two or more interacting mathematical models in which each model has at least one input port and one output port for inputting and outputting values of parameters in a predefined parameter protocol. The unit of measurement is identified for each parameter in the model and a scaling factor is then generated to equalize the units of measurement for each parameter in each model. The parameter protocol for each port is then determined and a virtual bus with unique locations is configured for each parameter in the models. The parameters from the models are then configured as a function of the parameter protocol so that the same parameters from different models are associated with the same location in the virtual bus. | 12-19-2013 |
20140156233 | METHOD AND APPARATUS FOR ELECTRONIC CIRCUIT SIMULATION - A method and apparatus using a programmed processor for electronic circuit simulation in which raw data containing both independent and dependent variables is acquired. That raw data is analyzed using an analysis method which generates relationships between the independent and the dependent variables. A mathematical model is created from those relationships and this is repeated for at least two different analysis methods. The statistical error between the raw data and the computed dependent variables is then calculated and the analysis method having the smallest statistical error with sufficient sample size is selected. | 06-05-2014 |
20150026342 | VIRTUAL RESOURCE MANAGEMENT TOOL FOR CLOUD COMPUTING SERVICE - A system and method for allocating software resources. Multiple tasks are received from a network in which each task requires at least one software resource. Each task is analyzed to determine the type of resource(s) required to execute each such task. The availability of the software resource(s) is determined and, if available, allocated to the requesting task. If the software resource(s) is not available, the task is stored in a queue until the software resource(s) becomes available. | 01-22-2015 |