> For the complete documentation index, see [llms.txt](https://docs.innova-drilling.com/introduction/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.innova-drilling.com/introduction/innova-engineering-manual/well-seeker-x-manual/6.0-well-seeker-x-database-structure/6.8-level-7-survey/6.8.1-survey-properties.md).

# 6.8.1 - Survey Properties

The Survey Properties dialog will automatically open when a new plan is created. To access the Survey Properties for an existing survey, right click on it in the Object Explorer.

<figure><img src="/files/6yAbhSfJ54q43vOan4up" alt=""><figcaption><p align="center">Figure 61: Survey Properties</p></figcaption></figure>

**Name:** The name displayed in the database viewer tree.

**Tie-On:** This section specifies where the plan will tie on to:

* **Surface:** The survey will tie on to the well head location
* **User defined:** The user can enter the MD INC AZI NS EW and TVD the survey will be tied on to.
* **From survey:** Select the survey file to tie on to and type the MD which you wish to use. The INC AZI NS EW and TVD will be interpolated from the survey or plan selected. If the well is a sidetrack then surveys from the parent well are also available.

**Survey Instrument:** Select the error model which will be used to calculate the EOU for all surveys stations in the survey file. Clicking the **Survey Tools** button will bring up the survey tool editor. The user can also select an error model by opening the survey tool editor, selecting a model and clicking on the ‘select IPM’ button.

**Locked:** This checkbox allows the user to lock all the editable cells in the dialog. If NO password has been entered at Operator level in the set password section, then the user can freely select to lock and unlock the dialog. If a password has been added at Operator level, then the user must enter the relevant password to both lock and unlock the dialog.


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