How to visualize the well trace in 2D Viewer

[Carlos Amorim]

Dear all, I need to visualize the well trace in the 2D visualization. Can you help me?

Looking at previous conversations, I saw three comments and didn't have any success with any of them.

1) Using the Well correlation Panel (It didn't work, because I only want the line.)

and

2)  Deviated well paths are still best depicted in 3D viewer.  Options are to digitize a random line down the "spine" of a deviated well bore using View Z with the perspective switched off (please don't forget to save the random line name) . Then, you can either display the random line and toggle to orthorectified view (i.e., perspective is switched off),  or you can view the random line in the 2D viewer.  However, as noted, in this mode the well path does not display.  As a workaround, we suggest to digitize the well path at strategic locations, like geological markers, and then choose this point set to display in the 2D viewer (example attached). Note: display of deviated wells in well correlation panel will be verticalized to permit meaningful correlation.  (I was unsuccessful.)

and

3) Perhaps I misunderstand the requested feature, but you can already create a random line along the deviated well path. For this, go to Random line>New>From Wells. 

Please make sure you set ‘Use only wells top position' to "No''. (I also did not succeed.)

I need help.

Thanks,

[Hesham Refayee]

Hi Carlos,

The Well Correlation Panel supports displaying sections that intersect with wells while showing wiggles on the seismic.

The 2D viewer does not currently support well displays. However, as a workaround, you can determine the Inline/Crossline where the well intersects and inspect that specific location within the 2D viewer to see the seismic trace at the well location.

Does this answer your question?

Well Correlation Panel (WCP)

IL 362/XL336 @ well F2-1

2D Viewer

Best regards,

Hesham Refayee

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[Paul de Groot]

Hi Carlos,

I assume that with "well trace" you mean "well track" and that you want to display this in a 2D viewer. Well displays are not supported in OpendTect's standard 2D viewers but you can create an image like the one below quite easily. This is how I did this for PNA-13, a deviated well in the free Delft survey:

3D scene

1. Add the well in the 3D scene and display the well track only (Wells->Display->Properties ... option in the tree. You may have to increase the line thickness)
2. Create a new random line through the well (Random line->New->From Wells ... option in the tree)
3. Add a new fault stick
4. Digitize the well track as a fault stick (Clicking close the track and moving the clicked fault stick nodes onto the track is faster than trying to click exactly onto the track because each time you click on the well track, the well becomes the active object).

2D viewer

1. Open a 2D viewer from the Random line tree entry in the 3D scene 
2. The fault stick should be added automatically. If not, add it manually
3. The stick is displayed with the fault stick nodes if the fault stick is active. Selecting another object in the tree removes the nodes from the display.

3D scene with PNA-13, Random Line through PNA-13, and digitized fault stick following the well track.

2D viewer with deviated well track digitized in the 3D scene as a fault stick.

Best regards,

Paul.

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Paul de Groot

Special Adviser

-----------------------------------------------------------------------------------------------------------------------   dGB Earth Sciences
Phone: +31 53 4315155 E-mail: paul.d...@dgbes.com Internet: dgbes.com

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