Offshore Structures: Fixed Platforms
Offshore platforms are used for exploration of Oil
and Gas from under Seabed and processing.
The First Offshore platform was installed in 1947
off the coast of Louisiana in 6Mts depth of water.
Introduction to Oceanography
What is Oceanography?
The branch of science dealing with physical and biological
aspects of the oceans.
The goal of understanding the oceans through the physical,
geological, chemical and biological sciences.
The common fie
Introduction to Offshore Engineering
In 1859, col. Edwin Drake drilled and completed
the first known oil well near a small town in
Hydraulic rotary drilling techniques used to drill
the spindle top well in 1901.
5 years lat
TENSION LEG PLATFORMS
Tension Leg Platforms (TLPs) are
floating facilities that are tied down to
the seabed by vertical steel tubes
This characteristic makes the structure
very rigid in the vertical direction and
PARTS ON RIG
Incorporates process and utility equipment:
Gas Turbine Generators
Accommodation for operating personnel.
Crane for equipment handling
The ability of a vessel to maintain
position for drilling determines the
useful time that a vessel can effectively
Stated negatively, if
Dynamic positioning uses thrusters instead of
mooring lines to keep the vessel above the
Glomar Challenger used dynamic positioning as
early as 1968.
The Ocean Drilling Program (ODP) uses dynamic