Analyzing a hydrocarbon trap

1. A computer-implemented method for analyzing a hydrocarbon trap in hydrocarbon production, the hydrocarbon trap having a top surface, the computer-implemented method comprising:

providing one or more geological meshes, each geological mesh representing the top surface, each geological mesh having cells, each cell representing a location on the top surface, wherein each geological mesh comprises depth values, each depth value at a cell, and each depth value representing a depth of the location represented by the cell;

for each geological mesh, determining one or more cells on the geological mesh, each determined cell corresponding to a local maximum of the depth values, wherein determining the one or more cells comprises: (i) providing two or more top cells on the geological mesh, each top cell representing a top of a respective culmination of the hydrocarbon trap and (ii) performing multiple propagations on the geological mesh, each propagation starting at a respective top cell and being performed according to a propagation criterion that rewards depth value smallness, wherein each determined cell corresponds to a respective saddle of the hydrocarbon trap representing a real-world location of the respective saddle; and

based on the determined one or more cells, causing one or more physical actions in the hydrocarbon production at a given the real-world location of a given the respective saddle.

2. The computer-implemented method of claim 1 , wherein each determined cell corresponds to an encounter between at least two propagations.

3. The computer-implemented method of claim 1 , wherein each propagation is a spill-detection propagation.

4. The computer-implemented method of claim 1 , wherein providing the two or more top cells comprises:

providing two or more starting cells on the geological mesh, each starting cell representing a location within a respective culmination of the hydrocarbon trap; and

performing multiple initial propagations on the geological mesh, each initial propagation starting at a respective starting cell and being performed according to the propagation criterion that rewards depth value smallness.

5. The computer-implemented method of claim 1 , wherein the determined one or more cells consists in at least two cells.

6. The computer-implemented method of claim 1 , wherein each geological mesh stems from seismic measurements of the hydrocarbon trap.

7. The computer-implemented method of claim 1 , wherein the provided one or more geological meshes comprise two or more geological meshes forming different representations of the top surface within a range of uncertainty.

8. The computer-implemented method of claim 1 further comprising:

performing, based on the one or more cells determined, a segmentation of the hydrocarbon trap into respective parts, each part associated with a given respective culmination of the hydrocarbon trap.

9. The computer-implemented method of claim 1 , wherein the method further comprising:

performing, based on the one or more cells determined, a fluid contact simulation.

10. A non-transitory computer-readable data storage medium comprising:

a memory area having recorded thereon computer program instructions for performing a hydrocarbon production analysis of a hydrocarbon trap having a top surface, the computer program instructions including instructions to:

provide one or more geological meshes, each geological mesh representing the top surface, each geological mesh having cells, each cell representing a location on the top surface, wherein each geological mesh comprises depth values, each depth value at a cell, and each depth value representing a depth of the location represented by the cell;

for each geological mesh, determine one or more cells on the geological mesh, each determined cell corresponding to a local maximum of the depth values, wherein determining the one or more cells comprises: (i) providing two or more top cells on the geological mesh, each top cell representing a top of a respective culmination of the hydrocarbon trap and (ii) performing multiple propagations on the geological mesh, each propagation starting at a respective top cell and being performed according to a propagation criterion that rewards depth value smallness, wherein each determined cell corresponds to a respective saddle of the hydrocarbon trap representing a real-world location of the respective saddle; and

based on the determined one or more cells, cause one or more physical actions in hydrocarbon production at a given real-world location of a given respective saddle.

11. The non-transitory computer-readable data storage medium of claim 10 , wherein each determined cell corresponds to an encounter between at least two propagations.

12. The non-transitory computer-readable data storage medium of claim 10 , wherein each propagation is a spill-detection propagation.

13. A system comprising:

a processor coupled to a memory and a graphical user interface, the memory having recorded thereon a computer program comprising instructions for analyzing a hydrocarbon trap in hydrocarbon production, the hydrocarbon trap having a top surface, the analyzing including:

providing one or more geological meshes, each geological mesh representing the top surface, each geological mesh having cells, each cell representing a location on the top surface, wherein each geological mesh comprises depth values, each depth value at a cell, and each depth value representing a depth of the location represented by the cell;

for each geological mesh, determining one or more cells on the geological mesh, each determined cell corresponding to a local maximum of the depth values, wherein determining the one or more cells comprises: (i) providing two or more top cells on the geological mesh, each top cell representing a top of a respective culmination of the hydrocarbon trap and (ii) performing multiple propagations on the geological mesh, each propagation starting at a respective top cell and being performed according to a propagation criterion that rewards depth value smallness, wherein each determined cell corresponds to a respective saddle of the hydrocarbon trap representing a real-world location of the respective saddle; and

based on the determined one or more cells, causing one or more physical actions in the hydrocarbon production at a given real-world location of a given respective saddle.

14. The system of claim 13 , wherein each determined cell corresponds to an encounter between at least two propagations.