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8185315 |
Determination of irreducible water cut-off using two dimensional nuclear magnetic resonance data
A method for estimating a distribution of pore sizes of a fluid filled rock formation penetrated by a borehole, the method includes: processing nuclear magnetic resonance (NMR) data to determine a...
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8165817 |
Method for integrating reservoir charge modeling and downhole fluid analysis
A method for estimating properties of fluids in rock formations at selected locations within a geologic basin includes generating an initial model of the basin. The model includes as output spatial...
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8165816 |
Fluid injection management method for hydrocarbon recovery
A method for controlling fluid injection parameters to improve well interactions and control hydrofracture geometries is provided. The method incorporates a systematic, transient analysis process...
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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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8116980 |
Testing process for hydrocarbon wells at zero emissions
Testing process for testing hydrocarbon wells at zero emissions in order to obtain general information on a reservoir. The process includes injecting into the reservoir a suitable liquid or gaseous...
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8112228 |
Statistical correction for standoff in two-terminal imager operating in oil-based mud
An apparatus, method and computer-readable medium for estimating a resistivity property of an earth formation in a borehole filled with oil-based mud. The method includes conveying a logging tool...
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8099241 |
Method and apparatus for real time oil based mud contamination monitoring
The present invention is a method and apparatus for determining oil based mud contamination of a hydrocarbon fluid obtained from a wellbore during a formation testing. The invention includes...
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8090539 |
Method for spatial filtering of electromagnetic survey data
The method for suppressing noise in the controlled seismic source electromagnetic survey data based on the frequency content of the noise (51) contained in the data. The invention recognizes that...
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8082106 |
3D surface related multiple elimination for wide azimuth seismic data
According to a preferred aspect of the instant invention, there is provided herein a system and method for the imaging and monitoring of the subsurface hydrocarbon reservoirs and other subsurface...
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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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8073665 |
Analyzing an oilfield network for oilfield production
A method for analyzing an oilfield network. The method includes collecting oilfield data from an oilfield network, modeling a first wellsite and a second wellsite using the oilfield data to create...
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8065092 |
Methods for analyzing high dimensional data for classifying, diagnosing, prognosticating, and/or predicting diseases and other biological states
A method of diagnosing, predicting, or prognosticating about a disease that includes obtaining experimental data, wherein the experimental data is high dimensional data, filtering the data,...
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8050892 |
Method, device, computer program and data carrier for modeling a multidimensional heterogeneous structure, using a digital processing unit
Method, apparatus, computer program and data carrier for modeling a multidimensional, heterogeneous structure using a digital processing unit, by means of a grid built up of stacks of...
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8050867 |
Data adaptive vibratory source acquisition method
Method for conducting a seismic survey (23) wherein the acquisition parameters are modified as the survey progresses using information (24) from sensors located to monitor structures and fixtures...
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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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8032303 |
Methods and apparatus to determine a concentration of nitrogen in a downhole fluid
Methods and apparatus to determine a concentration of nitrogen in a downhole fluid are described. An example apparatus to determine a concentration of nitrogen in a downhole fluid includes a fluid...
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8030934 |
Method for hydrocarbon reservoir mapping and apparatus for use when performing the method
A method is proposed for a marine electromagnetic survey based on the TM mode, for the purpose of prospecting for and detecting subsurface hydrocarbon reservoirs. The method includes an...
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8027795 |
Load model generation for estimating a load value from a base load value in a system
A method and system for establishing a load model (120) that utilizes a measurement from a second monitor (140) to estimate a value taken by a first monitor (150). A base load value associated with...
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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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8005658 |
Automated field development planning of well and drainage locations
A hybrid evolutionary algorithm (“HEA”) technique is described for automatically calculating well and drainage locations in a field. The technique includes planning a set of wells on a static res...
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7979211 |
Electromagnetic data processing system
Method and computer program for accepting controlled-source electromagnetic (“CSEM”) source and receiver data (40) as time series, transforming these data into the time-frequency domain, and red...
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7970593 |
Method for gradually modifying lithologic facies proportions of a geological model
A method for gradually modifying a geological model representative of an underground reservoir to respect fixed average proportions of lithologic facies. A group of facies is selected and a...
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7970549 |
System and method for high-content oncology assay
The present invention provides an apparatus, system, method and computer program and computer program product for analyzing cellular samples. One embodiment of the apparatus and method provides a...
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7953585 |
Integrated reservoir optimization
A method of managing a fluid or gas reservoir is disclosed which assimilates diverse data having different acquisition time scales and spatial scales of coverage for iteratively producing a...
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7925443 |
Method for controlled source electromagnetic reconnaissance surveying
Method for conducting an efficient and interpretable controlled-source electromagnetic reconnaissance survey for buried hydrocarbons. While a part of the survey area is being set up for measurement...
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7920970 |
Methods and apparatus for characterization of petroleum fluid and applications thereof
An improved method and system for characterizing the compositional components of a hydrocarbon reservoir of interest and analyzing fluid properties of the reservoir of interest based upon its...
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7917294 |
Determination of irreducible water cut-off using two dimensional nuclear magnetic resonance data
A method for estimating a distribution of pore sizes of a fluid filled rock formation penetrated by a borehole, the method including: processing nuclear magnetic resonance (NMR) data to determine a...
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RE42245 |
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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7912649 |
Geophysical surveying
Joint processing of seismic and controlled source electromagnetic (CSEM) surface data is performed by using a common rock physics model which relates reservoir properties (such as porosity,...
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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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7890200 |
Process-related systems and methods
A process control system and method for use in controlling operation of a process in response to identification of one or more events, where each event is a condition relating to one or more...
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7877246 |
System and method for performing oilfield simulation operations
The invention relates to a method of performing an oilfield operation of an oilfield having at least one wellsite, each wellsite having a wellbore penetrating a subterranean formation for...
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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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7853045 |
Geostatistical analysis and classification of core data
A novel database and method of classifying and searchably retrieving measurement data derived from a plurality of rock core and plug sample images that are analyzed to define their principal...
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7822554 |
Methods and apparatus for analysis of downhole compositional gradients and applications thereof
A method and system are provided for characterizing a reservoir of interest by comparing measured downhole fluid analysis measurement data with predicted downhole fluid analysis measurement data...
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7822562 |
Removing air wave noise from electromagnetic survey data
Method for removing air wave noise from shallow water controlled source electromagnetic survey data, using only the measured data and conductivity values for sea water (140) and air. The method is...
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7809538 |
Real time monitoring and control of thermal recovery operations for heavy oil reservoirs
Systems and techniques, including computer programs, for monitoring and controlling thermal recovery involve generating input parameters for use in real time monitoring and controlling of a thermal...
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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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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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7783431 |
Methods for analyzing high dimensional data for classifying, diagnosing, prognosticating, and/or predicting diseases and other biological states
A method of diagnosing, predicting, or prognosticating about a disease that includes obtaining experimental data, wherein the experimental data is high dimensional data, filtering the data,...
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7774184 |
Brownfield workflow and production forecast tool
Computer-based method and system are disclosed for conduction a brownfield assessment. The system/method involves a workflow manager that standardizes the tasks needed to be performed during the...
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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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7752023 |
Method for enhancing production allocation in an integrated reservoir and surface flow system
A method for enhancing allocation of fluid flow rates among a plurality of wellbores coupled to surface facilities is disclosed. The method includes modeling fluid flow characteristics of the...
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7739084 |
Simulation techniques
A method for assessing wave propagation arising in a physical system by obtaining a numerical approximation of the physical system to be simulated, the method comprising defining a computational...
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7739089 |
Integrated reservoir optimization
The invention relates to a method of performing a numerical model study to accurately forecast a production of a well in a reservoir. The method involves determining a property distribution of the...
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7725411 |
Method, apparatus, mobile terminal and computer program product for providing data clustering and mode selection
An apparatus for providing data clustering and mode selection includes a training element and a transformation element. The training element is configured to receive a first training data set, a...
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7672825 |
Closed loop control system for controlling production of hydrocarbon fluid from an underground formation
A method is disclosed for controlling production of oil and/or gas from an underground reservoir by means of a closed loop production control system, in which: an assembly of monitoring sensors (4)...
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7657409 |
Simulation techniques
A method for assessing wave propagation in a physical system by numerical simulation; a computational domain comprises first grid cells with a first-grid time step, refined second grid cells with a...
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