Systems and methods for coordinated editing of seismic data in dual model
View Patent ↗A system and method may model physical geological structures. Seismic and geologic data may be accepted. A three-dimensional (3D) transformation may be generated between a 3D present day model having points representing present locations of the physical geological structures and a 3D past depositional model having points representing locations where the physical geological structures were originally deposited. An indication may be accepted to locally change the 3D transformation for a subset of sampling points in a first model of the models. The 3D transformation may be locally changed to fit the updated subset of sampling points. A locally altered or updated version of the first model and, e.g., second model, may be displayed where local changes to the first model are defined by the locally changed 3D transformation. The transformation may also be used to extract geobodies in the past depositional model.
1. A method for incrementally updating a model of physical geological structures, the method comprising:
modeling an initial set of horizons in a past depositional space, wherein the past depositional space represents locations where physical geological structures are computed to have been originally deposited in the past, wherein each horizon is computed to have been originally deposited at a substantially constant geological time in the past;
receiving a selection of one or more seed points in the past depositional space that have values deviating from those along the same horizon;
transforming the selected seed points, using a transformation, from the past depositional space to corresponding seed points in a present day geological space, wherein the present day geological space represents the present day locations of physical geological structures;
automatically extracting a set of new seed points from the transformed seed points to generate a new horizon in the present day geological space;
locally changing a transformation from the present day geological space to the past depositional space for the set of new seed points; and
displaying the model comprising the initial set of reference horizons and the new horizon.
2. The method of claim 1 , comprising adding the new horizon to the initial set of horizons and repeating the steps of receiving, transforming, automatically extracting and locally changing for each subsequent new horizon.
3. The method of claim 1 , wherein the selected seed points are stray points deviating, from ideally constant property values or by greater than threshold standard deviations, across one or more of the initial set of horizons.
4. The method of claim 1 , wherein the one or more seed points are selected automatically from the past depositional model by a computing device to be points having property values that are different than the property values of other points located on the same horizon or horizontal cross-section of the past depositional model.
5. The method of claim 1 , wherein each new seed point in the set is automatically extracted from a nearby seismic window neighboring the transformed seed point.
6. The method of claim 5 , comprising comparing an initial seismic window centered on the transformed seed point with the nearby seismic window centered on a nearby point a predefined step away from the transformed seed point, wherein a point is extracted from the nearby seismic window that has most similar property values to the transformed seed point.
7. The method of claim 5 , comprising comparing an initial seismic window centered on the transformed seed point with the nearby seismic window centered on a nearby point that has a geological time of deposition equal to a new geological time, wherein a point is extracted from the nearby seismic window that has most similar property values to the transformed seed point.
8. A system for incrementally updating a model of physical geological structures, the system comprising:
a processor configured to:
model an initial set of horizons in a past depositional space, wherein the past depositional space represents locations where physical geological structures are computed to have been originally deposited in the past, wherein each horizon is computed to have been originally deposited at a substantially constant geological time in the past,
receive a selection of one or more seed points in the past depositional space that have values deviating from those along the same horizon,
transform the selected seed points, using a transformation, from the past depositional space to corresponding seed points in a present day geological space, wherein the present day geological space represents the present day locations of physical geological structures,
automatically extract a set of new seed points from the transformed seed points to generate a new horizon in the present day geological space, and
locally change a transformation from the present day geological space to the past depositional space for the set of new seed points; and
a display configured to display the model comprising the initial set of reference horizons and the new horizon.
9. The system of claim 8 , wherein the processor is configured to add the new horizon to the initial set of horizons and repeat receiving, transforming, automatically extracting and locally changing for each subsequent new horizon.
10. The system of claim 8 , wherein the selected seed points are stray points deviating, from ideally constant property values or by greater than threshold standard deviations, across one or more of the initial set of horizons.
11. The system of claim 8 , wherein the processor is configured to automatically select the one or more seed points from the past depositional model to be points having property values that are different than the property values of other points located on the same horizon or horizontal cross-section of the past depositional model.
12. The system of claim 8 , wherein the processor is configured to automatically extract each new seed point in the set from a nearby seismic window neighboring the transformed seed point.
13. The system of claim 12 , wherein the processor is configured to compare an initial seismic window centered on the transformed seed point with the nearby seismic window centered on a nearby point a predefined step away from the transformed seed point, and automatically extract a point from the nearby seismic window that has most similar property values to the transformed seed point.
14. The system of claim 12 , wherein the processor is configured to compare an initial seismic window centered on the transformed seed point with the nearby seismic window centered on a nearby point that has a geological time of deposition equal to a new geological time, and automatically extract a point from the nearby seismic window that has most similar property values to the transformed seed point.
15. The system of claim 8 , comprising a memory to store the transformation from the present day geological space to the past depositional space for the set of new seed points.