The pipeline company must pay the landowners for the right to build across the land. The pipeline company studies the environment to make sure they don't cause too much erosion of the soil or damage to plants and animals. Sometimes they even carry out archeological studies to make sure they don't disturb valuable sites and artifacts. Ditching machines come and dig trenches to the exact width and depth that they need. Soil is taken off in layers, so that when it's put back, the good topsoil goes back on top.
Truckers bring in lengths or pipe.
Welders join them together, and they are coated with plastic to stop them from rusting or corroding. The pips are lowered into the trench by cranes . The trench is back filled, with the topsoil on the surface. The workers try to leave the land looking the way it did before the job began. Pump stations must be built about 20 to 50 kilometres apart along the pipeline to keep the oil moving through it.