Most Capture One users have master catalogs with thousands of images. If, however, you want to take a project with your on the road (and leave the rest of the catalog behind), it's very easy to do.
Once you've exported a project as a catalog, you can copy it to your laptop and take it on the road. If you make changes to the exported catalog, you can integrate them back into the master collection by using the Import Catalog command under the File menu.
Here's a movie that shows you the steps for exporting the project.
Output a project or album as a catalog from Capture One Pro 10 Essential Training by Derrick Story
More Capture One Pro 10 Techniques
You can master Capture One Pro in just a few hours by viewing my LinkedIn Learning Training title, Capture One Pro 10 Essential Training, which also includes an entire chapter dedicated to version 10.1.