To see a water pipe in your dream indicates that you are open and receptive to new ideas. It may also represent your connections to those around you. You are able to steer something toward a direction.
To dream that you are inside a pipe represents your narrow vision and your seemingly lack of options. Perhaps the dream is telling you to look at things from a different angle.
To dream that you are smoking a pipe denotes knowledge or contemplation. Alternatively, it symbolises comfort, relaxation, contentment and satisfaction with your waking life. If someone in your life smokes a pipe, then the dream symbol may serve as a reminder of her or him.