Selecting data spatially
To draw a polygon select the "Draw an area of the map" icon:
Next draw a polygon edges by clicking on the map, when your polygon is complete press the "Esc" key to finish drawing.
Discover will warn you that your results are out of date:
This just means that any results from before may have changed as a result of the new polygon. To find the data within this polygon, click the query button (shortcut ctrl+enter). Sites that are included in the results are highlighted in blue:
You can see in the above example, the well 6706/6-1 is just outside the defined region.The map tool also allows you to draw multiple polygon, for each polygon you draw a corresponding expression element is added to your query.