Offshore Pipeline

Figure above shows the uses of Offshore Pipelines.

References:

1. Buyon Guo, Shanyong Song, Jacob Chacko, Ali Ghalambor (2005) Offshore Pipelines, Standards and Technical Publications, South Australia.
2. Yong Bai (2001) Pipelines and Risers, Elsevier Ocean Engineering Book Series, Volume 3, 498 pp.
   

Satellite well

Satellite well is a single well that normally drilled by mobile offshore drilling unit (MODU) to produce oil and gas, whereas a platform rig is a permanent drilling structure. Figure above shows a mobile offshore drilling unit, [Ref.2].

References:

1. http://www.encyclo.co.uk/define/satellite%20well
2. http://www.eagle.org/prodserv/EnergyNews14/hab.html