Context based bounded hydrocarbon formation identification

1. A method of identifying bounded hydrocarbon formations of interest in a seismic data set comprising:

obtain a seismic data set;

pre-processing the seismic data set, by performing steps comprising:

calculating a boundary orientation;

converting the seismic data set and the boundary orientation into a graphical model input format; and

outputting a plurality of graphical model inputs;

inputting the plurality of graphical model inputs and a plurality of rules to a graphical model, wherein the plurality of rules define relationships between a plurality of attributes of a bounded hydrocarbon formation, wherein the plurality of attributes comprise an amplitude attribute, a closure attribute, and a termination attribute;

wherein one of the plurality of rules comprises a surround rule, wherein the surround rule is satisfied when:

a second point in the termination attribute is within a first threshold distance of a first point on a closure boundary of the closure attribute; and

the second point is within a first angular proximity of the first point;

wherein the first point is an oriented point;

wherein one of the plurality of rules comprises a conforming surround rule, wherein the conforming surround rule is satisfied when:

the second point in the termination attribute is within the first threshold distance of the first point on the closure boundary of the closure attribute;

the second point is within the first angular proximity of the first point; and

the first point is within a second angular proximity of the second point;

wherein the first point and the second point are both oriented points;

running the graphical model on the graphical model inputs, by performing steps comprising:

applying the plurality of rules;

creating hit maps of volumes within the seismic data set that satisfy the plurality of rules; and

outputting a plurality of graphical model outputs;

post-processing the graphical model outputs, by performing steps comprising:

converting the plurality of graphical model outputs to a plurality of application-specific outputs;

clustering the volumes within the seismic data set that satisfy the plurality of rules into clusters;

calculating one or more scores for each of the clusters according to how well each cluster satisfies the plurality of rules;

ranking the clusters based on each cluster's score; and

outputting the ranked clusters; and

displaying the ranked clusters in order of rank.

2. The method of claim 1 , wherein the bounded hydrocarbon formation is a carbonate mound.

3. The method of claim 1 , wherein the termination attribute comprises a termination A attribute, a termination B attribute, or both.

4. The method of claim 3 , wherein the surround rule is applied to the termination A attribute and the conforming surround rule is applied to the termination B attribute.

5. The method of claim 1 , wherein the scores calculated for each cluster comprise soft score, binary score, normalized soft score, normalized binary score, or a combination thereof.

6. The method of claim 1 , wherein the closure attribute and the amplitude attribute are co-located.

7. A seismic data analysis system comprising:

a processor; and

a display configured to display graphical representations of a seismic data set;

wherein the seismic data analysis system is configured to:

pre-process the seismic data set, by performing steps comprising:

calculate a boundary orientation;

convert the seismic data set and the boundary orientation into a graphical model input format; and

output a plurality of graphical model inputs;

input the plurality of graphical model inputs and one or more rules to a graphical model, wherein the rules define a relationship between a plurality of attributes of a bounded hydrocarbon formation, wherein the plurality of attributes comprise an amplitude attribute, a closure attribute, and a termination attribute, wherein one of the one or more rules is a conforming surround rule, wherein the conforming surround rule is satisfied when:

a second point in the termination attribute is within a threshold distance of a first point on a closure boundary of the closure attribute;

the second point is within a first angular proximity of the first point; and

the first point is within a second angular proximity of the second point;

wherein the first point and the second point are both oriented points;

run the graphical model on the graphical model inputs, by performing steps comprising:

apply the one or more rules;

create hit maps of volumes within the seismic data set that satisfy the one or more rules; and

output a plurality of graphical model outputs;

post-process the graphical model outputs, by performing steps comprising:

convert the plurality of graphical model outputs to a plurality of application-specific outputs;

cluster the volumes within the seismic data set that satisfy the one or more rules into clusters;

calculate one or more scores for each of the clusters according to how well each cluster satisfies the one or more rules;

rank the clusters based on each cluster's score; and

output the ranked clusters; and

display the ranked clusters in order of rank.

8. The seismic data analysis system of claim 7 , wherein the termination attribute comprises a termination A attribute, a termination B attribute, or both.

9. The seismic data analysis system of claim 7 , wherein one of the one or more rules is a surround rule, wherein the surround rule is satisfied when:

the second point in the termination attribute is within the threshold distance of the first point on the closure boundary of the closure attribute; and

the second point is within the first angular proximity of the first point;

wherein the first point is an oriented point.

10. A non-transitory computer readable medium comprising executable instructions that when executed cause a processor to:

obtain a seismic data set;

pre-process the seismic data set, by performing steps comprising:

calculate a boundary orientation;

convert the seismic data set and the one or more auxiliary into a graphical model input format; and

output a plurality of graphical model inputs;

input the plurality of graphical model inputs and one or more rules to a graphical model, wherein the rules define a relationship between a plurality of attributes of a bounded hydrocarbon formation, wherein the plurality of attributes comprise an amplitude attribute, a closure attribute, and a termination attribute, wherein one of the one or more rules is a surround rule, wherein the surround rule is satisfied when:

a second point in the termination attribute is within a first threshold distance of a first point on a closure boundary of the closure attribute; and

the second point is within first angular proximity of the first point;

wherein the first point is an oriented point;

run the graphical model on the graphical model inputs, by performing steps comprising:

apply the one or more rules;

create hit maps of volumes within the seismic data set that satisfy the one or more rules; and

output a plurality of graphical model outputs;

post-process the graphical model outputs, by performing steps comprising:

convert the plurality of graphical model outputs to a plurality of application-specific outputs;

cluster the volumes within the seismic data set that satisfy the one or more rules into clusters;

calculate one or more scores for each of the clusters according to how well each cluster satisfies the one or more rules;

rank the clusters based on each cluster's score; and

output the ranked clusters; and

display the ranked clusters in order of rank.

11. The non-transitory computer readable medium of claim 10 , wherein the termination attribute comprises a termination A attribute, a termination B attribute, or both.

12. The non-transitory computer readable medium of claim 10 , wherein one of the one or more rules is a conforming surround rule, wherein the conforming surround rule is satisfied when:

the second point in the termination attribute is within the first threshold distance of the first point on the closure boundary of the closure attribute;

the second point is within the first angular proximity of the first point; and

the first point is within a second angular proximity of the second point;

wherein the first point and the second point are both oriented points.