There are three major types of Pipelines:

Gathering Pipeline

Distribution Pipeline Transportation PipelineGroup of smaller interconnected pipelines forming complex networks with the purpose of bringing crude oil or natural gas from several nearby wells to a treatment plant or processing facilityComposed of several interconnected pipelines with small diameters, used to take the products to the final consumer.

A complex network of interconnected Pipeline Components collecting the fluids from many feeding terminals and transporting fluids to the centralized consuming terminal.
Distribution Pipeline	A complex network of interconnected Pipeline components distributing the fluids to the consuming terminals.
Transportation Pipeline	A linear chain of connected pipes providing a long distance transportation of liquids and gases