In-situ wellbore, core and cuttings information system

Abstract

Systems and methods for generation of in-situ wellbore, core and cuttings information systems. An image and image derivative based property visualization, analysis and enhancement system is provided, which utilizes various types of image data, such as digital rock physics and physical laboratories, petrographic analysis and the in-situ wellbore imaging and derivative products of image segmentation in the construction of a static earth model.

We claim: 
     
       1. A computer-implemented method for generating a static earth model, comprising:
 building an enhanced three-dimensional stratigraphic geocellular grid using a three-dimensional stratigraphic geocelluar grid, wellbore image data and a computer system; 
 generating an assigned wellbore image by assigning core property data to the wellbore image data, the core property data being associated with a core image; 
 creating a lithotype proportion map using the core property data, the assigned wellbore image, and the enhanced three-dimensional stratigraphic geocellular grid or generating a constrained lithotype proportion map by constraining a smoothing of a lithotype proportion map using trends found in properties of the assigned wellbore image; 
 generating a facies simulation using the lithotype proportion map or the constrained lithotype proportion map, and the enhanced three-dimensional stratigraphic geocellular grid, and the generated facies simulation referencing a scale associated with the wellbore image data or the core image; and 
 generating the static earth model using the enhanced three-dimensional stratigraphic geocellular grid, the facies simulation, a modified well log property curve, porosity data, and permeability data. 
 
     
     
       2. The method of  claim 1 , further comprising creating the modified well log property curve using well log property curves data and the core property data. 
     
     
       3. The method of  claim 1 , further comprising building the three-dimensional stratigraphic geocellular grid using geologic framework data. 
     
     
       4. The method of  claim 1  wherein, when the constrained lithotype proportion map is generated, the facies simulation is generated using the constrained lithotype proportion map. 
     
     
       5. The method of  claim 1 , wherein the static earth model is generated using a small or multi-scale facies simulation. 
     
     
       6. The method of  claim 5 , further comprising creating the small or multi-scale facies simulation by refining the enhanced three-dimensional stratigraphic geocellular grid using the lithotype proportion map or the constrained lithotype proportion map, and a facies log curve. 
     
     
       7. A non-transitory computer-readable storage medium tangibly carrying computer executable instructions for generating a static earth model, the instructions being executable to implement:
 building an enhanced three-dimensional stratigraphic geocellular grid using a three-dimensional stratigraphic geocelluar grid and wellbore image data; 
 generating an assigned wellbore image by assigning core property data to the wellbore image data, the core property data being associated with a core image; 
 creating a lithotype proportion map using core property data, an assigned wellbore image, and the enhanced three-dimensional stratigraphic geocellular grid or generating a constrained lithotype proportion map by constraining smoothing of a lithotype proportion map using trends found in properties of the assigned wellbore image; 
 generating a facies simulation using the lithotype proportion map or the constrained lithotype proportion map, and the enhanced three-dimensional stratigraphic geocellular grid, and the generated facies simulation referencing a scale associated with the wellbore image data or the core image; and 
 generating the static earth model using the enhanced three-dimensional stratigraphic geocellular grid, the facies simulation, a modified well log property curve, porosity data, and permeability data. 
 
     
     
       8. The computer-readable storage medium of  claim 7 , further comprising creating the modified well log property curve using well log property curves data and the core property data. 
     
     
       9. The computer-readable storage medium of  claim 7 , further comprising building the three-dimensional stratigraphic geocellular grid using geologic framework data. 
     
     
       10. The computer-readable storage medium of  claim 7 , wherein, when the constrained lithotype proportion map is generated, the facies simulation is generated using the constrained lithotype proportion map. 
     
     
       11. The computer-readable storage medium of  claim 7 , wherein the static earth model is generated using a small or multi-scale facies simulation. 
     
     
       12. The computer-readable storage medium of  claim 11 , further comprising creating the small or multi-scale facies simulation by refining the enhanced three-dimensional stratigraphic geocellular grid using the lithotype proportion map or the constrained lithotype proportion map, and a facies log curve. 
     
     
       13. A non-transitory computer-readable storage medium tangibly carrying computer executable instructions for generating a static earth model, the instructions being executable to implement:
 building an enhanced three-dimensional stratigraphic geocellular grid using a three-dimensional stratigraphic geocelluar grid and wellbore image data; 
 creating an assigned wellbore image by assigning core property data to the wellbore image data; 
 creating a lithotype proportion map or generating a constrained lithotype proportion map by constraining a smoothing of a lithotype proportion map using trends found in properties of the assigned wellbore image; 
 generating a facies simulation using the lithotype proportion map or the constrained lithotype proportion map, and the enhanced three-dimensional stratigraphic geocellular grid, generating an assigned wellbore image by assigning core property data to the wellbore image data, the core property data being associated with a core image; and 
 generating a static earth model using the enhanced three-dimensional stratigraphic geocellular grid, the facies simulation, a modified well log property curve, porosity data, and permeability data. 
 
     
     
       14. The computer-readable storage medium of  claim 13 , further comprising creating the modified well log property curve using well log property curves data and core property data. 
     
     
       15. The computer-readable storage medium of  claim 13 , further comprising building the three-dimensional stratigraphic geocellular grid using geologic framework data. 
     
     
       16. The computer-readable storage medium of  claim 13 , wherein, when the constrained lithotype proportion map is generated, the facies simulation is generated using the constrained lithotype proportion map. 
     
     
       17. The computer-readable storage medium of  claim 13 , wherein the static earth model is generated using a small or multi-scale facies simulation. 
     
     
       18. The computer-readable storage medium of  claim 17 , further comprising creating the small or multi-scale facies simulation by refining the enhanced three-dimensional stratigraphic geocellular grid using the lithotype proportion map or the constrained lithotype proportion map, and a facies log curve.