Data log smooth patching

A method for patching defects in a data log, comprising:

• obtaining and displaying an ORIG log from data channels, the ORIG log comprising ORIG data points;
• generating and displaying a reference (REF) log comprising REF data points corresponding to ORIG data points;
• receiving a range of ORIG data points of a patch selection, the patch selection having upper and lower limits represented by upper and lower data points, respectively;
• calculating a top offset value as a difference between a value of the upper data point and a value of a corresponding REF data point;
• calculating a bottom offset value as a difference between the value of the lower data point and a value of a corresponding REF data point;
• calculating a patch slope as a quotient of a difference between the top offset and the bottom offset divided by the number of data points in the patch selection;
• for each data point in the patch selection:
• determining a distance between the data point on the patch selection and the upper data point;
• multiplying the determined distance by the patch slope to obtain a product;
• adding the top offset to the product to obtain an intermediate value;
• and
• adding the intermediate value to the value of the data point in the patch selection to obtain a value of a corresponding data point in a resulting (RES) log;
• and
• displaying the RES log on a display device;
• receiving an input indicating if the RES log is acceptable;
• if the input indicates that the results are not acceptable, allowing changes to parameter values to be made;
• and
• if the input indicates that the results are acceptable, saving the results.

A data log processing system, comprising:

• a display device;
• a user input device;
• a storage device;
• a processor programmed to execute a program stored in the storage device;
• and
• a processor-executable program stored on the storage device, comprising:
• a preliminary processing module, operable to:
• obtain logs from channels;
• generate a reference (REF) log;
• display original (ORIG) and REF logs;
• receive an input selecting an ORIG log to process;
• and
• receive an input designating a type of patching to be performed;
• a criteria selection module, operable to:
• receive an input establishing a delta value;
• calculate an offset value as a difference between each data point in the selected ORIG log and a corresponding data point in the REF log;
• compare each offset value with the delta value;
• and
• send a data point to be patched if the magnitude of the offset value of the data point is greater than the delta value, a plurality of adjacent data points being a patch selection;
• a interactive selection module, operable to:
• receive an input from a user indicating at least one data point of the ORIG log to be patched, a plurality of adjacent data points being a patch selection;
• and
• send the indicated data points to be patched;
• a patching module, operable to:
• receive data points of a patch selection, the number of data points in the patch selection being N;
• calculate a top offset value as a difference between a value of a data point at a top of the patch selection and a value of a corresponding data point in the REF log;
• calculate a bottom offset value as a difference between a value of a data point at a bottom of the patch selection and a value of a corresponding data point in the REF log;
• calculate a patch slope as a quotient of a difference between the top offset and the bottom offset divided by N;
• and
• for each data point in the patch selection:
• determine a distance between the data point on the ORIG log and the data point at the top of the patch selection;
• multiply by the determined distance by the patch slope to obtain a product;
• add the top offset to the product to obtain an intermediate value;
• and
• add the intermediate value to the value of the data point in the REF log corresponding to the data point in the patch selection to obtain a value of a data point in a resulting (RES) log corresponding to the data point in the patch selection;
• and
• the preliminary processing module further operable to:
• display the RES log on the display device;
• receive an input indicating if the RES log is acceptable;
• if the input indicates that the results are not acceptable, allow changes to parameter values to be made;
• and
• if the input indicates that the results are acceptable, save the results.

A computer-readable program storage device tangibly embodying a program executable by the computer and comprising instructions for:

• obtaining and displaying an ORIG log from data channels, the ORIG log comprising ORIG data points;
• generating and displaying a reference (REF) log comprising REF data points corresponding to ORIG data points;
• receiving a range of ORIG data points of a patch selection, the patch selection having upper and lower limits represented by upper and lower data points, respectively;
• calculating a top offset value as a difference between a value of the upper data point and a value of a corresponding REF data point;
• calculating a bottom offset value as a difference between the value of the lower data point and a value of a corresponding REF data point;
• calculating a patch slope as a quotient of a difference between the top offset and the bottom offset divided by the number of data points in the patch selection;
• for each data point in the patch selection:
• determining a distance between the data point on the patch selection and the upper data point;
• multiplying the determined distance by the patch slope to obtain a product;
• adding the top offset to the product to obtain an intermediate value;
• and
• adding the intermediate value to the value of the data point in the patch selection to obtain a value of a corresponding data point in a resulting (RES) log;
• and
• displaying the RES log on a display device;
• receiving an input indicating if the RES log is acceptable;
• if the input indicates that the results are not acceptable, allowing changes to parameter values to be made;
• and
• if the input indicates that the results are acceptable, saving the results.