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8185314 |
Method and system for determining dynamic permeability of gas hydrate saturated formations
A method and system for determining dynamic permeability of gas hydrate formations including deploying a tool within a wellhole configured for magnetic resonance measurements, determining...
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8170801 |
Determining fluid rate and phase information for a hydrocarbon well using predictive models
Physical models of wells are used to determine rate and phase composition for fluid produced from or injected into the wells on a near real time and continuous basis. The method can be used to...
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8165814 |
Neutrally buoyant sensor apparatus and method for mapping a water pathway
An apparatus and method for mapping a water pathway. A group of sensors can be employed for detecting one or more features associated with the water pathway in a direction of flow through the water...
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8155911 |
Flow rate measurement device
The present invention provides a flow rate measurement device for measuring a volume of gas flowing through a gas supply system in which a plurality of appliances are connected. The flow rate...
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8150637 |
Gas lift well surveillance
Apparatuses, methods, and computer program products for evaluating the performance of a gas lift well are disclosed. A gas lift well surveillance kit is disclosed. A method for evaluating the...
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8150663 |
Partitioning algorithm for building a stratigraphic grid
Embodiments of the invention provide a system and method for partitioning data for modelling a geological structure including laterally partitioning the data into multiple columns, where each...
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8131470 |
Managing flow testing and the results thereof for hydrocarbon wells
Automated monitoring and management of well tests of hydrocarbon wells in a production field. Routing of the output of a well to a flow meter, separated from the output from other wells in the...
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8126661 |
Wet gas measurement
A multi-phase process fluid is passed through a vibratable flowtube. Motion is induced in the vibratable flowtube. A first apparent property of the multi-phase process fluid based on the motion of...
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8099248 |
Flow rate measuring device, and gas supply system employing it, method for specifying gas appliance
A flow rate measuring device has a flow rate measurement unit, an appliance registering unit, a calculating unit, a determining unit, a first appliance identifying unit, and a second appliance...
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8095320 |
Method, program product, and system for suppression of residual water bottom energy in surface seismic data
Systems, program product, and methods of suppressing residual water bottom energy in seismic data, are provided. An example of a system, program product, and method can be applied to post-stack...
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8078405 |
Method of estimating the permeability of a fracture network from a connectivity analysis
A method for optimizing the development of a fractured hydrocarbon reservoir wherein the network permeability is determined using a reliable compromise between numerical and analytical methods...
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8078404 |
Tracing injected fluids
Method for recognizing one or more properties of a geological formation by the injection of a fluid into at least one borehole within the formation. The injection fluid either has a different...
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8060311 |
Job monitoring methods and apparatus for logging-while-drilling equipment
Job monitoring methods and apparatus for logging-while-drilling equipment are disclosed. A disclosed example method includes obtaining a fluid associated with an underground geological formation,...
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8055457 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Flow rate measuring device, and gas supply system employing it, method for specifying gas appliance
A flow rate measuring device has a flow rate measurement unit, an appliance registering unit, a calculating unit, a determining unit, a first appliance identifying unit, and a second appliance...
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8044662 |
Estimating T2-diffusion probability density functions from nuclear magnetic resonance diffusion modulated amplitude measurements
In some embodiments, apparatus and systems, as well as methods, may operate to acquire data representing a plurality of nuclear magnetic resonance (NMR) echo trains associated with a material, such...
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8041510 |
Continuous reservoir monitoring for fluid pathways using microseismic data
A system and method monitor a hydrocarbon reservoir for drainage in volumetric three dimensions. Monitoring between wells is imperative for optimum reservoir management and is achieved by mapping...
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8032311 |
Estimating gas-oil ratio from other physical properties
A method for characterizing a desired property of a fluid downhole is described. In some non-limiting examples, the method comprises receiving an input signal representing sound speed of a fluid...
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8032235 |
Model predictive control system and method for reduction of steady state error
A technique is disclosed for reducing an error in a controlled variable via model predictive control. A predicted error in the controlled variable is determined for a forward-looking control...
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8025072 |
Developing a flow control system for a well
To develop a flow control system for use in a well, a multi-level approach is used, where the multi-level approach includes setting goals for the flow control system. According to the goals set, an...
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8010292 |
Method and system for detecting abnormal operation in a hydrocracker
A system and method for detecting abnormal operation of a hydrocracker includes a hydrocracker model. The model may be configurable to include one or more regression models corresponding to...
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8005618 |
Logging while drilling system
A logging-while-drilling system for efficiently providing a reliable measurement of various petrophysical properties of subsurface earth formations. The logging-while-drilling system generally...
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7999695 |
Surface real-time processing of downhole data
A method and apparatus for controlling oil well drilling equipment is disclosed. One or more sensors are distributed in the oil well drilling equipment. Each sensor produces a signal. A surface...
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7957903 |
Gas trap for sampling fluid from a well
A low maintenance adjustable gas trap with a plurality of couplings, each coupling securing to a flow line of a drilling rig; a plurality of hammer unions each engaging a coupling; a plurality of...
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7937223 |
Downhole fluid analysis
A method that uses downhole fluid analysis in order to selectively collect and retain formation fluid samples in a drilling environment, as well as, control drilling using downhole fluid analysis.
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7933750 |
Method for defining regions in reservoir simulation
A method is disclosed, which is practiced by a reservoir simulator, for simulating a reservoir and generating a set of simulation results, the simulation results including a framework, the...
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7933751 |
Method, apparatus and computer program providing broadband preconditioning based on reduced coupling for numerical solvers
This invention relates to computing numerical solutions of linear systems of equations, specifically to implementing preconditioning of the coefficient matrix of such a system. The preconditioning...
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7933752 |
Method, apparatus and computer program providing broadband preconditioning based on a reduced coupling for numerical solvers
This invention relates to computing numerical solutions of linear systems of equations, specifically to implementing preconditioning of the coefficient matrix of such a system. The preconditioning...
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7921002 |
Method and system for simulating flow of fluid around a body
A simulation method for flow of fluid around a body, according to the present invention, comprising dividing a target domain of simulation into a plurality of computational unit domains named...
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7917313 |
Method for monitoring a fluid transfer process
The present invention relates to a method for monitoring a fluid transfer process, including the steps: providing an allowable pressure profile; detecting a pressure occurring in the course of the...
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7912648 |
Method and apparatus for imaging bed boundaries using azimuthal propagation resistivity measurements
A method for imaging a geologic deposit using data collected from a borehole includes: selecting an instrument for performing electromagnetic (EM) measurements, the instrument including at least...
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7912255 |
Fingerprint processing system providing inpainting for voids in fingerprint data and related methods
A fingerprint processing system may include a fingerprint database for storing fingerprint data having at least one void therein. At least one processor may cooperate with the fingerprint database...
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7904248 |
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...
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7894991 |
Statistical determination of historical oilfield data
A method, system, and computer program product for performing oilfield surveillance operations. The oilfield has a subterranean formation with geological structures and reservoirs therein. The...
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7886591 |
Method for improving the determination of earth formation properties
Methods and apparatus for improving the determination of at least one multiphase flow parameter of an earth formation comprising propagating within the formation a first salinity front, determining...
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7890264 |
Waterflooding analysis in a subterranean formation
A method of analyzing a subterranean formation. The method includes specifying a volume of interest in the subterranean formation, specifying an injector wellsite that penetrates the volume of...
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7874357 |
Diagnosis of formation characteristics in wells
A technique for estimating the permeability profile of a well includes generating a well and formation model. The technique includes producing the well so that hydrocarbons flow from the formation...
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7869955 |
Subsurface prediction method and system
A method of predicting subsurface properties of a geologic formation includes acquiring seismic data for a subsurface region including the geologic formation of interest, computing seismic...
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RE41999 |
System and method for real time reservoir management
A method of real time field wide reservoir management comprising the steps of processing collected field wide reservoir data in accordance with one or more predetermined algorithms to obtain a...
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7844401 |
System and method for determining producibility of a formation using flexural mechanical resonator measurements
The present disclosure presents illustrative embodiments of a method for estimating the producibility of a hydrocarbon bearing formation using a flexural mechanical resonator to measure the...
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7844400 |
System for sampling fluid from a well with a gas trap
A low maintenance adjustable system for sampling gas from a well using a gas analyzer; a conditioning and filtering device; a gas trap having a plurality of couplings, a plurality of hammer unions,...
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7813935 |
System for evaluating over and underbalanced drilling operations
A method and a computer program for economic evaluation of completion methods for drilling a well. An extensive user interface is provided for inputting of reservoir data and parameters relating to...
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7805247 |
System and methods for well data compression
Systems and methods in which data compression techniques are utilized to fill a predetermined channel capacity are shown. According to one configuration, event data points within test data are...
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7784539 |
Hydrocarbon recovery testing method
A method of testing the response of a subterranean formation to a formation treatment is described including the injection of a treatment fluid and the production of formation fluids from two...
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7788049 |
Remotely reconfigurable system for mapping subsurface geological anomalies
A method and apparatus are provided for detecting and transmitting geophysical data from a plurality of electrodes inserted into the soil utilizing a set of identical dynamically reconfigurable...
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7788037 |
Method and system for determining formation properties based on fracture treatment
A method and system for determining formation properties based on a fracture treatment that may include collecting data from a fracture treatment for a well. A flow regime of the fracture treatment...
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7778780 |
Well characterisation method
One aspect of the invention relates to a method (10) for characterizing a well (700) using distributed temperature sensor (DTS) data to optimise a well model (12). The method comprises providing a...
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7774140 |
Method and an apparatus for detecting fracture with significant residual width from previous treatments
A refracture-candidate diagnostic test is an injection of compressible or slightly compressible fluid at pressures in excess of minimum in-situ stress and formation fracture pressure with pressure...
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7765067 |
Geosteering in earth formations using multicomponent induction measurements
A multicomponent induction logging tool is used on a MWD bottomhole assembly. Multifrequency focusing that accounts for the finite, nonzero, conductivity of the mandrel is applied. Using separation...
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7752022 |
Method for updating a geologic model by seismic and production data
The invention is a method, having applications for the development of reservoirs, for predicting the production of an underground reservoir, comprising generating and updating a parameterized...
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7742875 |
Method for geologic modeling through hydrodynamics-based gridding (Hydro-Grids)
The present invention is a method of hydrodynamics-based gridding (Hydro-Grids) for creating geologic models of subsurface volumes, such as reservoirs. Vertical grid surfaces may be chosen in an...
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