Dear freeman, I hava some questions about pipeline. If you don't mind please help and share me some document about pipeline construction, operation and maintenance. The 1st question is about equipments and construction of a pipeline: what are equipments needed in a oil pipeline? which equipments and machines need in construction time? The 2nd question is about pipeline operation: how does a pipeline operate when transport a fluid by pipeline? which software use to monitor and control the pipeline in Control Centre, Data Cente? Which equipment in the pipeline used to help Control Centre have information about fluid through the pipeline? And the last question is how to maintenance and protect pipeline? How offten do I must maintenance the pipeline? What do I must do when maintenance the pipeline? and how to monitor and protect the pipeline from effect/agent outside such as animal, people,...? Which equipments offten use in pipelines in the world? have any pipeline use UAV (Unmanned Aerial Vehicle) or sensor,...? Please help as soon as you can. Thank you very much Best Regard.