LIST OF FIGURES 

 Fip,ure Page 



1.1 Seismic surveying open water areas. 14 



1.2 Semi- submersible drilling platforms used 17 

 in OCS areas . 



1.3 A jack-up drilling platform. 18 



1.4 An illustration of a drillship used in 20 

 OCS activities . 



1.5 Fixed drilling platform for OCS areas. 21 



1.6 A hypothetical four-year offshore planning 22 

 and field development program. 



1.7 Typical directionally drilled wells. 24 

 1.3 A typical production facility with safety 25 



equipment . 



1.9 Louisiana ports and waterways used by 28 

 offshore operations. 



1.10 Louisiana airports and heliports used by 30 

 offshore operation. 



1.11 Louisiana highways used by offshore 31 

 operations . 



1.12 Approximate location of the proposed and 33 

 existing pipeline-f lowline system, offshore 

 Louisiana, March 1974. 



1.13 Petroleum Administration for Defense (PAD) 38 

 districts . 



2.1 Leasing areas in the central Gulf of Mexico. 56 



2.2 Gulf of Mexico, map of Federal waters. 61 



2.3 A hypothetical 4-year industry-oriented 70 

 offshore planning and field development 

 program. 



2.4 Tentative plans for Louisiana Offshore Oil 71 

 Port (LOOP) . 



2.5 R.efineries likely to be affected by superport 75 

 development . 



2.6 Guyed tower platform. 83 



3.1 Seasonal movements of shrimp. 99 



3.2 Principal oyster producing areas in southeast 105 

 Louisiana. 



IX 



