System and method for delineating spatially dependent objects, such as hydrocarbon accumulations from seismic data
DCFirst Claim
1. An apparatus for performing the automated prediction of locations of hydrocarbon producing areas and non-producing areas directly from seismic data gathered in an area comprising:
- a computer; and
software installed on the computer, wherein the software includes a neural network developed using seismic training data relating to one or more hydrocarbon producing areas and seismic training data relating to one or more hydrocarbon non-producing areas, and wherein the neural network is used to generate predictions of locations of hydrocarbon producing areas and hydrocarbon non-producing areas by applying the neural network to the gathered seismic data.
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Abstract
A neural network based system, method, and process for the automated delineation of spatially dependent objects is disclosed. The method is applicable to objects such as hydrocarbon accumulations, aeromagnetic profiles, astronomical clusters, weather clusters, objects from radar, sonar, seismic and infrared returns, etc. One of the novelties in the present invention is that the method can be utilized whether or not known data is available to provide traditional training sets. The output consists of a classification of the input data into clearly delineated accumulations, clusters, objects, etc. that have various types and properties. A preferred but non-exclusive application of the present invention is the automated delineation of hydrocarbon accumulations and sub-regions within the accumulations with various properties, in an oil and gas field, prior to the commencement of drilling operations.
106 Citations
12 Claims
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1. An apparatus for performing the automated prediction of locations of hydrocarbon producing areas and non-producing areas directly from seismic data gathered in an area comprising:
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a computer; and
software installed on the computer, wherein the software includes a neural network developed using seismic training data relating to one or more hydrocarbon producing areas and seismic training data relating to one or more hydrocarbon non-producing areas, and wherein the neural network is used to generate predictions of locations of hydrocarbon producing areas and hydrocarbon non-producing areas by applying the neural network to the gathered seismic data. - View Dependent Claims (2, 3)
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4. A method for the automated prediction of locations of hydrocarbon producing areas and non-producing areas directly from seismic data gathered in an area comprising the steps of:
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developing a neural network using seismic training data relating to one or more hydrocarbon producing areas and seismic training data relating to one or more hydrocarbon non-producing areas;
applying the neural network to at least a portion of the seismic data generate predictions of locations of hydrocarbon producing areas and hydrocarbon non-producing areas of the area; and
determining the types of hydrocarbons present in the predicted locations. - View Dependent Claims (5)
developing the neural network to distinguish sub-regions within hydrocarbon producing areas;
applying the neural network to at least a portion of the seismic data to distinguish sub-regions within the hydrocarbon producing areas; and
determining the types of hydrocarbons present in the sub-regions.
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6. A system for predicting locations of hydrocarbon producing areas and non-producing areas from seismic data gathered in an area comprising:
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a computer;
a neural network developed using seismic training data relating to one or more hydrocarbon producing areas and seismic training data relating to one or more hydrocarbon non-producing areas;
a storage area for storing the gathered seismic data; and
one or more software systems used for applying the neural network to the gathered seismic data to generate predictions of locations of hydrocarbon producing areas and hydrocarbon non-producing areas. - View Dependent Claims (7, 8, 9)
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10. A method for the automated prediction of locations of hydrocarbon producing and non-producing areas directly from seismic data gathered in area comprising the steps of:
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developing an algorithm that iteratively presents a set of seismic data relating to one or more hydrocarbon producing areas and seismic data relating to one or more hydrocarbon non-producing areas to a portion of the algorithm that has a goal of minimizing the error over all of the data by propagating the error value back after each iteration and performing appropriate adjustments to a function that takes on characteristics or patterns in the data;
terminating the algorithm after a sufficient number of iterations for the function to have taken on sufficient characteristics or patterns in the data; and
applying the function containing the characteristics or patterns to at least a portion of the seismic data to generate predictions of locations of hydrocarbon producing areas and hydrocarbon non-producing areas of the area. - View Dependent Claims (11, 12)
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Specification