Displaying confidence values in wellbore inversion modeling using a visual indicator

1 . A system comprising:

a processing device; and

a memory device that includes instructions executable by the processing device for causing the processing device to perform operations comprising:

receiving, from a downhole tool deployable in a wellbore of a geological formation during a wellbore operation, downhole data relating to the wellbore;

generating an inversion model of the geological formation by performing inversion processing on the downhole data;

determining a plurality of confidence values for the downhole data in the inversion model;

determining a depth of detection limit for the downhole data based on the plurality of confidence values;

outputting the inversion model, the depth of detection limit, and a visual indicator based on the plurality of confidence values for display at a display device for use in adjusting the wellbore operation, wherein the visual indicator is displayable as a visual overlay on a subset of the inversion model external to the depth of detection limit to adjust a visual property; and

based on detecting a geological feature adjacent to a well trajectory of the wellbore operation, outputting a command to alter the well trajectory by directing a drill bit to avoid the geological feature.

2 . The system of claim 1 , wherein the wellbore comprises a horizontal wellbore and determining the depth of detection limit comprises:

dividing the inversion model into a plurality of vertical segments along the horizontal wellbore;

determining, for each vertical segment of the plurality of vertical segments, a confidence value of the plurality of confidence values that exceeds a predefined threshold; and

determining the depth of detection limit as a boundary where the confidence value exceeds the predefined threshold for each vertical segment of the plurality of vertical segments.

3 . The system of claim 1 , wherein the visual property corresponds to transparency, and wherein outputting the visual indicator comprises:

displaying the visual indicator by reducing an opacity of the subset of the inversion model, wherein the visual overlay comprises at least one transparency value associated with a confidence value of the plurality of confidence values.

4 . The system of claim 3 , wherein the visual overlay comprises a first transparency value and a second transparency value of the at least one transparency value, the first transparency value being associated with a lower confidence value of the plurality of confidence values than the second transparency value, the first transparency value configured to reduce the opacity of the subset of the inversion model more than the second transparency value.

5 . The system of claim 1 , wherein the visual property corresponds to saturation, and wherein outputting the visual indicator comprises:

adjusting at least one saturation value of the subset of the inversion model external to the depth of detection limit, the at least one saturation value being associated with a confidence value of the plurality of confidence values.

6 . The system of claim 1 , wherein determining the plurality of confidence values comprises determining the plurality of confidence values based on operation characteristics, the downhole data, or a combination thereof.

7 . The system of claim 1 , wherein the operations further comprise:

detecting, from the visual indicator and the inversion model, the geological feature adjacent to the well trajectory for the wellbore operation;

determining an adjustment to the wellbore operation based on the geological feature being adjacent to the well trajectory, wherein the adjustment comprises altering the well trajectory; and

in response to determining the adjustment, automatically controlling the wellbore operation to perform the adjustment to alter the well trajectory.

8 . The system of claim 1 , wherein the visual property corresponds to brightness or contrast, and wherein outputting the visual indicator comprises:

adjusting at least one brightness value or at least one contrast value of the subset of the inversion model external to the depth of detection limit, the at least one brightness value or the at least one contrast value being associated with a confidence value of the plurality of confidence values.

9 . A method comprising:

receiving, from a downhole tool deployable in a wellbore of a geological formation during a wellbore operation, downhole data relating to the wellbore;

generating an inversion model of the geological formation by performing inversion processing on the downhole data;

determining a plurality of confidence values for the downhole data in the inversion model;

determining a depth of detection limit for the downhole data based on the plurality of confidence values;

outputting the inversion model, the depth of detection limit, and a visual indicator based on the plurality of confidence values for display at a display device for use in adjusting the wellbore operation, wherein the visual indicator is displayable as a visual overlay on a subset of the inversion model external to the depth of detection limit to adjust a visual property; and

based on detecting a geological feature adjacent to a well trajectory of the wellbore operation, outputting a command to alter the well trajectory by directing a drill bit to avoid the geological feature.

10 . The method of claim 9 , wherein the wellbore comprises a horizontal wellbore and determining the depth of detection limit comprises:

dividing the inversion model into a plurality of vertical segments along the horizontal wellbore;

determining, for each vertical segment of the plurality of vertical segments, a confidence value of the plurality of confidence values that exceeds a predefined threshold; and

determining the depth of detection limit as a boundary where the confidence value exceeds the predefined threshold for each vertical segment of the plurality of vertical segments.

11 . The method of claim 9 , wherein the visual property corresponds to transparency, and wherein outputting the visual indicator comprises:

displaying the visual indicator by reducing an opacity of the subset of the inversion model, wherein the visual overlay comprises at least one transparency value associated with a confidence value of the plurality of confidence values.

12 . The method of claim 11 , wherein the visual overlay comprises a first transparency value and a second transparency value of the at least one transparency value, the first transparency value being associated with a lower confidence value of the plurality of confidence values than the second transparency value, the first transparency value configured to reduce the opacity of the subset of the inversion model more than the second transparency value.

13 . The method of claim 9 , wherein the visual property corresponds to saturation, and wherein outputting the visual indicator comprises:

adjusting at least one saturation value of the subset of the inversion model external to the depth of detection limit, the at least one saturation value being associated with a confidence value of the plurality of confidence values.

14 . The method of claim 9 , wherein determining the plurality of confidence values comprises determining the plurality of confidence values based on operation characteristics, the downhole data, or a combination thereof.

15 . The method of claim 9 , further comprising:

detecting, from the visual indicator and the inversion model, the geological feature adjacent to the well trajectory for the wellbore operation;

determining an adjustment to the wellbore operation based on the geological feature being adjacent to the well trajectory, wherein the adjustment comprises altering the well trajectory; and

in response to determining the adjustment, automatically controlling the wellbore operation to perform the adjustment to alter the well trajectory.

16 . The method of claim 9 , wherein the visual property corresponds to brightness or contrast, and wherein outputting the visual indicator comprises:

adjusting at least one brightness value or at least one contrast value of the subset of the inversion model external to the depth of detection limit, the at least one brightness value or the at least one contrast value being associated with a confidence value of the plurality of confidence values.

17 . A non-transitory computer-readable medium comprising instructions that are executable by a processing device for causing the processing device to perform operations comprising:

receiving, from a downhole tool deployable in a wellbore of a geological formation during a wellbore operation, downhole data relating to the wellbore;

generating an inversion model of the geological formation by performing inversion processing on the downhole data;

determining a plurality of confidence values for the downhole data in the inversion model;

determining a depth of detection limit for the downhole data based on the plurality of confidence values;

outputting the inversion model, the depth of detection limit, and a visual indicator based on the plurality of confidence values for display at a display device for use in adjusting the wellbore operation, wherein the visual indicator is displayable as a visual overlay on a subset of the inversion model external to the depth of detection limit to adjust a visual property; and

based on detecting a geological feature adjacent to a well trajectory of the wellbore operation, outputting a command to alter the well trajectory by directing a drill bit to avoid the geological feature.

18 . The non-transitory computer-readable medium of claim 17 , wherein the wellbore comprises a horizontal wellbore and determining the depth of detection limit comprises:

dividing the inversion model into a plurality of vertical segments along the horizontal wellbore;

determining, for each vertical segment of the plurality of vertical segments, a confidence value of the plurality of confidence values that exceeds a predefined threshold; and

determining the depth of detection limit as a boundary where the confidence value exceeds the predefined threshold for each vertical segment of the plurality of vertical segments.

19 . The non-transitory computer-readable medium of claim 17 , wherein the visual property corresponds to transparency, and wherein outputting the visual indicator comprises:

displaying the visual indicator by reducing an opacity of the subset of the inversion model, wherein the visual overlay comprises at least one transparency value associated with a confidence value of the plurality of confidence values.

20 . The non-transitory computer-readable medium of claim 17 , wherein the operations further comprise:

detecting, from the visual indicator and the inversion model, the geological feature adjacent to the well trajectory for the wellbore operation;

determining an adjustment to the wellbore operation based on the geological feature being adjacent to the well trajectory, wherein the adjustment comprises altering the well trajectory; and

in response to determining the adjustment, automatically controlling the wellbore operation to perform the adjustment to alter the well trajectory.