Exclude Survey Records in a Stationary Survey
When a stationary survey includes one or more survey records with problems, the survey records are identified with an
error or
warning icon. A survey record with one or more errors must be resolved prior to running telluric compensation. A survey record with a warning does not require resolution, however problems may occur during telluric compensation.
Information in this section explains how to exclude survey records in the compensation calculation. A stationary survey with any of the following characteristics that include an error or warning are eligible for exclusion:
• Missing ON and/or OFF voltage measurement.
• Missing survey date and time.
• Same voltage measurement for both the ON and OFF reading.
To exclude one or more survey records in the compensation calculation, follow these steps:
1 Select the pipeline segment(s) you want to work with in the
Select ROWs window (
Figure 14-2).
2 Click Data Entry > Stationary Survey Maintenance to open the Stationary Survey Maintenance window.
3 Click the down arrow in the
Date range field and select an option in the selection list to filter the data view in the
Stationary Surveys grid. Then click
Refresh. 4 Select a stationary survey in the Stationary Surveys grid.
5 If you want to filter data in the survey record grid, complete one of the following steps:
a Click
Show Errors to only display survey records with errors.
b Click
Show Warnings to only display survey records with warnings.
c Click
Show Errors and Warnings to only display survey records with errors and warnings.
Note: Clicking
Show All displays all survey records related to the selected stationary survey including those with and without errors and warnings.
6 Use any of the methods in the following list to exclude one or more survey records. PCS Axis highlights excluded survey records in red as shown in the following example (
Figure 14-15). The fields labeled
Exclusion Change User and
Exclusion Change Date also identify who excluded the survey record and when it was excluded.
• Double-click the survey record.
• Select a survey record and then right-click the mouse and choose Exclude Selected in the shortcut menu that opens.
• To select multiple survey records in consecutive order, click the first survey record, press and hold the Shift key, then click the last survey record. Right-click the mouse and choose Exclude Selected in the shortcut menu.
• To select multiple survey records in non-consecutive order, press and hold the Ctrl key, then click each survey record you want to exclude. Right-click the mouse and choose Exclude Selected in the shortcut menu.
Figure 14-15. Exclude Survey Record(s) in Telluric Compensation
7 To include a survey record in telluric compensation that has previously been excluded, select the excluded survey record and then click
Include.
Note: Use the
Chart Exclusions button to show or hide excluded survey records in the graph.
